Science.gov

Sample records for revised universal soil

  1. Soil erosion risk in Korean watersheds, assessed using the revised universal soil loss equation

    NASA Astrophysics Data System (ADS)

    Park, Soyoung; Oh, Cheyoung; Jeon, Seongwoo; Jung, Huicheul; Choi, Chuluong

    2011-03-01

    SummarySoil erosion reduces crop productivity and water storage capacity, and, both directly and indirectly, causes water pollution. Loss of soil has become a problem worldwide, and as concerns about the environment grow, active research has begun regarding soil erosion and soil-preservation policies. This study analyzed the amount of soil loss in South Korea over a recent 20-year period and estimated future soil loss in 2020 using the revised universal soil loss equation (RUSLE). Digital elevation (DEM) data, detailed soil maps, and land cover maps were used as primary data, and geographic information system (GIS) and remote sensing (RS) techniques were applied to produce thematic maps, based on RUSLE factors. Using the frequency ratio (FR), analytic hierarchy process (AHP), and logistic regression (LR) approaches, land suitability index (LSI) maps were developed for 2020, considering the already established Environmental Conservation Value Assessment Map (ECVAM) for Korea. Assuming a similar urban growth trend and 10-, 50-, and 100-year rainfall frequencies, soil loss in 2020 was predicted by analyzing changes in the cover-management factor and rainfall-runoff erosivity factor. In the period 1985-2005, soil loss showed an increasing trend, from 17.1 Mg/ha in 1985 to 17.4 Mg/ha in 1995, and to 20.0 Mg/ha in 2005; the 2005 value represents a 2.8 Mg/ha (16.6%) increase, compared with 1985 and is attributable to the increased area of grassland and bare land. In 2020, the estimated soil loss, considering the ECVAM, was 19.2-19.3 Mg/ha for the 10-year rainfall frequency, 36.4-36.6 Mg/ha for the 50-year rainfall frequency, and 45.7-46.0 Mg/ha for the 100-year rainfall frequency. Without considering the ECVAM, the amount of soil loss was about 0.4-1.6 Mg/ha larger than estimates that did consider the ECVAM; specifically, the values were 19.6-19.9 Mg/ha for the 10-year rainfall frequency, 37.1-37.8 Mg/ha for the 50-year frequency, and 46.7-47.5 Mg/ha for the 100-year

  2. Soil erosion prediction using the Revised Universal Soil Loss Equation (RUSLE) in a GIS framework, Chania, Northwestern Crete, Greece

    NASA Astrophysics Data System (ADS)

    Kouli, Maria; Soupios, Pantelis; Vallianatos, Filippos

    2009-04-01

    Soil erosion is a growing problem in southern Greece and particularly in the island of Crete, the biggest Greek island with great agricultural activity. Soil erosion not only decreases agricultural productivity, but also reduces the water availability. In the current study, an effort to predict potential annual soil loss has been conducted. For the prediction, the Revised Universal Soil Loss Equation (RUSLE) has been adopted in a Geographical Information System framework. The RUSLE factors were calculated (in the form of raster layers) for the nine major watersheds which cover the northern part of the Chania Prefecture. The R-factor was calculated from monthly and annual precipitation data. The K-factor was estimated using soil maps available from the Soil Geographical Data Base of Europe at a scale of 1:1,000,000. The LS-factor was calculated from a 30-m digital elevation model. The C-factor was calculated using Remote Sensing techniques. The P-factor in absence of data was set to 1. The results show that an extended part of the area is undergoing severe erosion. The mean annual soil loss is predicted up to ˜200 (t/ha year-1) for some watersheds showing extended erosion and demanding the attention of local administrators.

  3. Assessing the applicability of the Revised Universal Soil Loss Equation (RUSLE) to Irish Catchments

    NASA Astrophysics Data System (ADS)

    Rymszewicz, A.; Mockler, E.; O'Sullivan, J.; Bruen, M.; Turner, J.; Conroy, E.; Kelly-Quinn, M.; Harrington, J.; Lawler, D.

    2015-03-01

    Elevated suspended sediment concentrations in fluvial environments have important implications for system ecology and even small concentrations may have serious consequences for sensitive ecosystems or organisms, such as freshwater pearl mussels (Margaritifera margaritifera). Informed decision making is therefore required for land managers to understand and control soil erosion and sediment delivery to the river network. However, given that monitoring of sediment fluxes requires financial and human resources which are often limited at a national scale, sediment mobilisation and delivery models are commonly used for sediment yield estimation and management. The Revised Universal Soil Loss Equation (RUSLE) is the most widely used model for overland flow erosion and can, when combined with a sediment delivery ratio (SDR), provide reasonable sediment load estimations for a catchment. This paper presents RUSLE factors established from extant GIS and rainfall datasets that are incorporated into a flexible catchment modelling approach. We believe that this is the first time that results from a RUSLE application at a national scale are tested against measured sediment yield values available from Ireland. An initial assessment of RUSLE applied to Irish conditions indicates an overestimation of modelled sediment yield values for most of the selected catchments. Improved methods for model and SDR factors estimation are needed to account for Irish conditions and catchment characteristics. Nonetheless, validation and testing of the model in this study using observed values is an important step towards more effective sediment yield modelling tools for nationwide applications.

  4. [Estimation of topographical factors in revised universal soil loss model based on maximum up-stream flow path].

    PubMed

    Luo, Hong; Ma, You-xin; Liu, Wen-jun; Li, Hong-mei

    2010-05-01

    By using maximum upstream flow path, a self-developed new method for calculating slope length value based on Arc Macro Language (AML), five groups of DEM data for different regions in Bijie Prefecture of Guizhou Province were extracted to compute the slope length and topographical factors in the Prefecture. The time cost for calculating the slope length and the values of the topographical factors were analyzed, and compared with those by iterative slope length method based on AML (ISLA) and on C++ (ISLC). The results showed that the new method was feasible to calculate the slope length and topographical factors in revised universal soil loss model, and had the same effect as iterative slope length method. Comparing with ISLA, the new method had a high computing efficiency and greatly decreased the time consumption, and could be applied to a large area to estimate the slope length and topographical factors based on AML. Comparing with ISLC, the new method had the similar computing efficiency, but its coding was easily to be written, modified, and debugged by using AML. Therefore, the new method could be more broadly used by GIS users.

  5. Determination of soil erosion risk in the Mustafakemalpasa River Basin, Turkey, using the revised universal soil loss equation, geographic information system, and remote sensing.

    PubMed

    Ozsoy, Gokhan; Aksoy, Ertugrul; Dirim, M Sabri; Tumsavas, Zeynal

    2012-10-01

    Sediment transport from steep slopes and agricultural lands into the Uluabat Lake (a RAMSAR site) by the Mustafakemalpasa (MKP) River is a serious problem within the river basin. Predictive erosion models are useful tools for evaluating soil erosion and establishing soil erosion management plans. The Revised Universal Soil Loss Equation (RUSLE) function is a commonly used erosion model for this purpose in Turkey and the rest of the world. This research integrates the RUSLE within a geographic information system environment to investigate the spatial distribution of annual soil loss potential in the MKP River Basin. The rainfall erosivity factor was developed from local annual precipitation data using a modified Fournier index: The topographic factor was developed from a digital elevation model; the K factor was determined from a combination of the soil map and the geological map; and the land cover factor was generated from Landsat-7 Enhanced Thematic Mapper (ETM) images. According to the model, the total soil loss potential of the MKP River Basin from erosion by water was 11,296,063 Mg year(-1) with an average soil loss of 11.2 Mg year(-1). The RUSLE produces only local erosion values and cannot be used to estimate the sediment yield for a watershed. To estimate the sediment yield, sediment-delivery ratio equations were used and compared with the sediment-monitoring reports of the Dolluk stream gauging station on the MKP River, which collected data for >41 years (1964-2005). This station observes the overall efficiency of the sediment yield coming from the Orhaneli and Emet Rivers. The measured sediment in the Emet and Orhaneli sub-basins is 1,082,010 Mg year(-1) and was estimated to be 1,640,947 Mg year(-1) for the same two sub-basins. The measured sediment yield of the gauge station is 127.6 Mg km(-2) year(-1) but was estimated to be 170.2 Mg km(-2) year(-1). The close match between the sediment amounts estimated using the RUSLE

  6. Determination of Soil Erosion Risk in the Mustafakemalpasa River Basin, Turkey, Using the Revised Universal Soil Loss Equation, Geographic Information System, and Remote Sensing

    NASA Astrophysics Data System (ADS)

    Ozsoy, Gokhan; Aksoy, Ertugrul; Dirim, M. Sabri; Tumsavas, Zeynal

    2012-10-01

    Sediment transport from steep slopes and agricultural lands into the Uluabat Lake (a RAMSAR site) by the Mustafakemalpasa (MKP) River is a serious problem within the river basin. Predictive erosion models are useful tools for evaluating soil erosion and establishing soil erosion management plans. The Revised Universal Soil Loss Equation (RUSLE) function is a commonly used erosion model for this purpose in Turkey and the rest of the world. This research integrates the RUSLE within a geographic information system environment to investigate the spatial distribution of annual soil loss potential in the MKP River Basin. The rainfall erosivity factor was developed from local annual precipitation data using a modified Fournier index: The topographic factor was developed from a digital elevation model; the K factor was determined from a combination of the soil map and the geological map; and the land cover factor was generated from Landsat-7 Enhanced Thematic Mapper (ETM) images. According to the model, the total soil loss potential of the MKP River Basin from erosion by water was 11,296,063 Mg year-1 with an average soil loss of 11.2 Mg year-1. The RUSLE produces only local erosion values and cannot be used to estimate the sediment yield for a watershed. To estimate the sediment yield, sediment-delivery ratio equations were used and compared with the sediment-monitoring reports of the Dolluk stream gauging station on the MKP River, which collected data for >41 years (1964-2005). This station observes the overall efficiency of the sediment yield coming from the Orhaneli and Emet Rivers. The measured sediment in the Emet and Orhaneli sub-basins is 1,082,010 Mg year-1 and was estimated to be 1,640,947 Mg year-1 for the same two sub-basins. The measured sediment yield of the gauge station is 127.6 Mg km-2 year-1 but was estimated to be 170.2 Mg km-2 year-1. The close match between the sediment amounts estimated using the RUSLE-geographic information system (GIS) combination

  7. Basic Soils. Revision.

    ERIC Educational Resources Information Center

    Montana State Univ., Bozeman. Dept. of Agricultural and Industrial Education.

    This curriculum guide is designed for use in teaching a course in basic soils that is intended for college freshmen. Addressed in the individual lessons of the unit are the following topics: the way in which soil is formed, the physical properties of soil, the chemical properties of soil, the biotic properties of soil, plant-soil-water…

  8. Conserving Soil. Revised.

    ERIC Educational Resources Information Center

    Soil Conservation Service (USDA), Washington, DC.

    This book of enrichment materials is an interdisciplinary study of soil designed for students in grades 6-9. The materials are presented in three units. Unit 1 contains eight activities in which students investigate soil science and study the social impact of soil by examining the history of land use by local Native Americans. Unit 2 contains 10…

  9. Matrices to Revise Crop, Soil, and Environmental Sciences Undergraduate Curricula

    ERIC Educational Resources Information Center

    Savin, Mary C.; Longer, David; Miller, David M.

    2005-01-01

    Undergraduate curricula for natural resource and agronomic programs have been introduced and revised during the past several decades with a desire to stay current with emerging issues and technologies relevant to constituents. For the past decade, the Department of Crop, Soil, and Environmental Sciences (CSES) faculty at the University of Arkansas…

  10. Computing the LS factor for the Revised Universal Soil Loss Equation through array-based slope processing of digital elevation data using a C++ executable

    NASA Astrophysics Data System (ADS)

    Van Remortel, R. D.; Maichle, R. W.; Hickey, R. J.

    2004-11-01

    Until the mid-1990s, a major limitation of using the Universal Soil Loss Equation and Revised Universal Soil Loss Equation erosion models at regional landscape scales was the difficulty in estimating LS factor (slope length and steepness) values suitable for use in geographic information systems applications. A series of ArcInfo™ Arc Macro Language scripts was subsequently created that enabled the production of either USLE- or RUSLE-based LS factor raster grids using a digital elevation model input data set. These scripts have functioned exceptionally well for both single- and multiple-watershed applications within targeted study areas. However, due to the nature and complexity of flowpath processing necessary to compute cumulative slope length, the scripts have not taken advantage of available computing resources to the extent possible. It was determined that the speed of the computer runs could be significantly increased without sacrificing accuracy in the final results by performing the majority of the elevation data processing in a two-dimensional array framework outside the ArcInfo environment. This paper describes the evolution of a major portion of the original RUSLE-based AML processing code to an array-based executable program using ANSI C++™ software. Examples of the relevant command-line arguments are provided and comparative results from several AML-vs.-executable time trials are also presented. In wide-ranging areas of the United States where it has been tested, the new RUSLE-based executable has produced LS-factor values that mimic those generated by the original AML as well as the RUSLE Handbook estimates. Anticipated uses of the executable program include water quality assessment, landscape ecology, land-use change detection studies, and decision support activities. This research has now given users the option of either running the executable file alone to process a single watershed reporting unit or running a supporting AML shell program that

  11. Common Bibliographic Standards for Baylor University Libraries. Revised.

    ERIC Educational Resources Information Center

    Scott, Sharon; And Others

    Developed by a Baylor University (Texas) Task Force, the revised policies of bibliographic standards for the university libraries provide formats for: (1) archives and manuscript control; (2) audiovisual media; (3) books; (4) machine-readable data files; (5) maps; (6) music scores; (7) serials; and (8) sound recordings. The task force assumptions…

  12. Advancing Towards a Universal Soil Classification System

    NASA Astrophysics Data System (ADS)

    Owens, Phillip R.; Hempel, Jon; Micheli, Erika; McBratney, Alex

    2014-05-01

    Within the variability of soils across the globe, there are common soil attributes that pedologists have used to group soil within taxonomic classifications. Classification systems are necessary for the communication of information about soils. There are many national classification systems used within designated countries and two classification systems used globally, the US Soil Taxonomy and the World Reference Base. There is a great need for soil scientists to develop one common language or taxonomic system to communicate information within soil science as well as to other scientists in other disciplines. The International Union of Soil Sciences Working Group for Universal Soil Classification was officially established by an IUSS Council decision in August of 2010 at the World Congress of Soil Science in Brisbane, Australia. The charge for the Working Group includes development of common standards for methods and terminology in soil observations and investigations and the development of a universal soil classification system. The Universal Soil Classification Working Group was established and the initial meeting was held at Purdue University in West Lafayette, Indiana USA. The Working Group has evaluated the current national systems and the two international systems to identify gaps in knowledge. Currently, it was determined that gaps in knowledge exists in cold soil, hydromorphic, salt affected, anthropengic, and tropical soil groups. Additionally, several members of the Working Group have utilized taxonomic distance calculations from large databases to determine the clusters of similar taxonomic groupings utilizing the classification. Additionally, the databases are being used to make allocations into logical groups to recognize "Great Soil Groups". The great soil groups will be equivalent to great groups level from Soil Taxonomy along with similar levels in the World Reference Base, Australian Soil Classification and other defined soil classification systems

  13. The Modular Universal Tumour And Revision System (MUTARS®) in endoprosthetic revision surgery

    PubMed Central

    Gebert, Carsten; Götze, Christian; Gosheger, Georg; Hardes, Jendrik

    2010-01-01

    The aim of this study was to present the clinical and functional results of revision surgery after failed hip endoprostheses using the Modular Universal Tumour And Revision System (MUTARS®). Functional results of the hip endoprostheses were recorded by applying the Harris hip score. The extent of the presurgical radiological bone defect was measured according to the classification system of the German orthopaedic association (DGOOC). Indications for revision surgery on 45 patients (21 female, 24 male) were aseptic loosening (19 patients), infection (16 patients), or periprosthetic fracture (Vancouver classification B2, B3 and C, in nine patients). Revision surgery was performed after 8.6 years on average (min. 0.6; max. 14.25 years). Large defects of the proximal femur (80% medial or lateral diaphysis; 20% meta-diaphysis according to DGOOC classification) were adequately reconstructed. The average follow-up was 38.6 months. Complications occurred in eight patients: one luxation, two aseptic loosenings, and five reinfections were diagnosed. The Harris hip score (presurgical 30; postsurgical 78) showed significant improvement after revision surgery. Regarding the extent of the patients’ bone defects, good functional results were achieved. The comparatively low number of luxations and loosenings is due to the high modularity of the prosthesis with arbitrary antetorsion in the hip joint. However, high reinfection rates in mega-implants still constitute a problem and should be the subject of further studies. PMID:20379815

  14. The Modular Universal Tumour And Revision System (MUTARS®) in endoprosthetic revision surgery.

    PubMed

    Gebert, Carsten; Wessling, Martin; Götze, Christian; Gosheger, Georg; Hardes, Jendrik

    2010-12-01

    The aim of this study was to present the clinical and functional results of revision surgery after failed hip endoprostheses using the Modular Universal Tumour And Revision System (MUTARS®). Functional results of the hip endoprostheses were recorded by applying the Harris hip score. The extent of the presurgical radiological bone defect was measured according to the classification system of the German orthopaedic association (DGOOC). Indications for revision surgery on 45 patients (21 female, 24 male) were aseptic loosening (19 patients), infection (16 patients), or periprosthetic fracture (Vancouver classification B2, B3 and C, in nine patients). Revision surgery was performed after 8.6 years on average (min. 0.6; max. 14.25 years). Large defects of the proximal femur (80% medial or lateral diaphysis; 20% meta-diaphysis according to DGOOC classification) were adequately reconstructed. The average follow-up was 38.6 months. Complications occurred in eight patients: one luxation, two aseptic loosenings, and five reinfections were diagnosed. The Harris hip score (presurgical 30; postsurgical 78) showed significant improvement after revision surgery. Regarding the extent of the patients' bone defects, good functional results were achieved. The comparatively low number of luxations and loosenings is due to the high modularity of the prosthesis with arbitrary antetorsion in the hip joint. However, high reinfection rates in mega-implants still constitute a problem and should be the subject of further studies.

  15. Revising Basic Mathematics in a Network Environment: An Empirical Study with Finnish Technology University Students

    ERIC Educational Resources Information Center

    Ketamo, Harri; Alajaaski, Jarkko

    2008-01-01

    A revising/replenishment study course in basic mathematics is experienced as being almost a necessity at the beginning of technology studies at the Tampere University of Technology, Pori, Finland. This is to avoid early dropouts in actual engineering mathematics courses. Experimental research on factors explaining successful revision of…

  16. Utilizing Strategic Assessment to Support FYC Curricular Revision at Murray State University

    ERIC Educational Resources Information Center

    Walker, Paul; Myers, Elizabeth

    2011-01-01

    The first-year composition requirement at Murray State University was revised in 2008 from a 6-credit-hour, two-semester sequence to a 4-credit-hour, one-semester course. The revision overtly emphasizes critical reading, writing, and inquiry, while addressing the realities of the institution's resources for teaching first-year composition. This…

  17. University of Wisconsin System Undergraduate Transfer Policy. Academic Information Series 6.0. Revised.

    ERIC Educational Resources Information Center

    Wisconsin Univ. System, Madison.

    This document is a revision of the University of Wisconsin (UW) System Undergraduate Transfer Policy, replacing the document last revised on December 8, 1995, and all other prior versions. It incorporates numerous provisions called for by the Board of Regents in "Planning the Future" and "Statement of Principles on UWS/VTAE Credit…

  18. A Guide for Teaching Conservation Education in the Schools of Louisiana; Soil and Water Section. (Revision)

    ERIC Educational Resources Information Center

    Ware, George; McCollum, Howard P.

    This publication is a revised edition of the teachers guide for teaching soil and water conservation in the elementary and junior high schools of Louisiana. The format of the guide includes a statement of concept, followed by discussion of the concept, suggested activities, and possible outcomes. There is a glossary of terms and a section that…

  19. Ratify, Reject or Revise: Balanced Scorecard and Universities

    ERIC Educational Resources Information Center

    Sayed, Naqi

    2013-01-01

    Purpose: The purpose of this paper is to examine the use of the Balanced Scorecard (BSC) in universities. Initially directed toward profit-oriented businesses, the BSC has since been adopted by many non-profit organisations with seemingly diverse objectives. A number of primarily publicly-funded universities and institutions, which are part of…

  20. The State University System 2025 System Strategic Plan. Revised

    ERIC Educational Resources Information Center

    Board of Governors, State University System of Florida, 2014

    2014-01-01

    The State University System 2025 Strategic Plan strengthens the Board of Governors' commitment to achieving excellence in the tripartite mission of its state universities--teaching, research, and public service--for the benefit of Florida's citizens, their communities, and the state economy. The Strategic Plan is a living document that helps align…

  1. Revision endoscopic sinus surgery: the Thomas Jefferson University experience.

    PubMed

    Moses, R L; Cornetta, A; Atkins, J P; Roth, M; Rosen, M R; Keane, W M

    1998-03-01

    Since its introduction, functional endoscopic sinus surgery (FESS) has demonstrated success rates of 76% to 98%. A small group of the patients in whom initial FESS and optimal medical therapy fail require revision endoscopic sinus surgery (RESS). This group has recently been studied by several authors, and we have evaluated a group of 90 RESS patients selected from 753 consecutive primary FESS patients. Patients were followed for a mean of 22.8 months. Extent of disease, history of polyps, allergy, previous traditional endonasal sinus surgery, male gender, chronic steroid use, and the presence of a deviated septum all appeared to adversely affect RESS outcome. The surgeon's knowledge of the sinus anatomy is critical, especially in revision sinus cases in which landmarks are distorted or absent. In our review, RESS was associated with a 1% major complication rate and was successful in 67% of patients. Computer-assisted endoscopic sinus surgery integrates preoperative imaging with realtime endoscopic visualization, augments the surgeon's knowledge of anatomy, and helps to minimize patient risk.

  2. SUCCEED (Southeastern University and College Coalition for Engineering Education) Strategic Plan Revision, 2000.

    ERIC Educational Resources Information Center

    Ohland, Matthew W., Ed.; Anderson, Tim J., Ed.

    This document presents the Strategic Plan Revision of the Southeastern University and College Coalition for Engineering Education (SUCCEED). SUCCEED aims to institute a sustainable version of its curriculum model on each of the selected campuses. The areas of expertise in the program include faculty development, outcomes assessment,…

  3. SUCCEED (Southeastern University and College Coalition for Engineering Education) Strategic Plan Revision, 2001.

    ERIC Educational Resources Information Center

    Ohland, Matthew W., Ed.; Anderson, Tim J., Ed.

    This document presents the Strategic Plan Revision of the Southeastern University and College Coalition for Engineering Education (SUCCEED). SUCCEED aims to institute a sustainable version of its curriculum model on each of the selected campuses. The areas of expertise in the program include faculty development, outcomes assessment,…

  4. Concurrent Validity of the Universal Nonverbal Intelligence Test and the Leiter International Performance Scale-Revised

    ERIC Educational Resources Information Center

    Hooper, V. Scott; Bell, Sherry Mee

    2006-01-01

    One hundred elementary- and middle-school students were administered the Universal Nonverbal Intelligence Test (UNIT; B.A. Bracken & R.S. McCallum, 1998) and the Leiter International Performance Scale-Revised (Leiter-R; G.H. Roid & L.J. Miller, 1997). Correlations between UNIT and Leiter-R scores were statistically significant ( p less…

  5. Collection Development Policy: Academic Library, St. Mary's University. Revised.

    ERIC Educational Resources Information Center

    Sylvia, Margaret

    This guide spells out the collection development policy of the library of St. Mary's University in San Antonio, Texas. The guide is divided into the following five topic areas: (1) introduction to the community served, parameters of the collection, cooperation in collection development, and priorities of the collection; (2) considerations in…

  6. 2016 System Summary of University Work Plans. Revised

    ERIC Educational Resources Information Center

    Board of Governors, State University System of Florida, 2016

    2016-01-01

    The State University System of Florida has developed three tools that aid in guiding the System's future: (1) The Board of Governors' 2025 System Strategic Plan is driven by goals and associated metrics that stake out where the System is headed; (2) The Board's Annual Accountability Report provides yearly tracking for how the System is progressing…

  7. University of Colorado Libraries: A Programmed Textbook. Revised Edition.

    ERIC Educational Resources Information Center

    Lyda, Mary Louise; And Others

    The goal of this programmed textbook is to increase efficiency in the use of the University of Colorado libraries through the aid of programmed learning techniques as a means of teaching basic library procedures. The chapters are divided into separate frames, each containing information on some aspect of library usage. These include: the public…

  8. Revising.

    ERIC Educational Resources Information Center

    Wyman, Linda, Ed.

    1983-01-01

    In focusing on recursive writing, the nine articles in this journal issue suggest that student writing should be taken seriously. The first article states that revision should occur throughout the writing process while the second discusses how to invite writers to become active readers of their own texts. The third article presents methods of…

  9. Artificial Earth Satellites Designed and Fabricated by The Johns Hopkins University Applied Physics Laboratory. Revised

    DTIC Science & Technology

    1978-07-01

    until propellant exhaustion on 18 April 1975 , exceeding substantially its one-year design life. Experiments with an orbital prediction span of up to two...UWafeinS APPLIED PHYSICS LABORATORY SDO 1600 -- May 1975 I. 3 Appendix B THE NAVY NAVIGATION SATELLITE SYSTEM! One of the earliest programs designed to...SDO-1600 7 (Revised)lCL SARTIFICIAL EARTH SATELLITEStQ DESIGNED AND FABRICATED 9 by I THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY I __CD

  10. Universal Spatial Correlation Functions for Describing and Reconstructing Soil Microstructure

    PubMed Central

    Skvortsova, Elena B.; Mallants, Dirk

    2015-01-01

    Structural features of porous materials such as soil define the majority of its physical properties, including water infiltration and redistribution, multi-phase flow (e.g. simultaneous water/air flow, or gas exchange between biologically active soil root zone and atmosphere) and solute transport. To characterize soil microstructure, conventional soil science uses such metrics as pore size and pore-size distributions and thin section-derived morphological indicators. However, these descriptors provide only limited amount of information about the complex arrangement of soil structure and have limited capability to reconstruct structural features or predict physical properties. We introduce three different spatial correlation functions as a comprehensive tool to characterize soil microstructure: 1) two-point probability functions, 2) linear functions, and 3) two-point cluster functions. This novel approach was tested on thin-sections (2.21×2.21 cm2) representing eight soils with different pore space configurations. The two-point probability and linear correlation functions were subsequently used as a part of simulated annealing optimization procedures to reconstruct soil structure. Comparison of original and reconstructed images was based on morphological characteristics, cluster correlation functions, total number of pores and pore-size distribution. Results showed excellent agreement for soils with isolated pores, but relatively poor correspondence for soils exhibiting dual-porosity features (i.e. superposition of pores and micro-cracks). Insufficient information content in the correlation function sets used for reconstruction may have contributed to the observed discrepancies. Improved reconstructions may be obtained by adding cluster and other correlation functions into reconstruction sets. Correlation functions and the associated stochastic reconstruction algorithms introduced here are universally applicable in soil science, such as for soil classification

  11. Universal spatial correlation functions for describing and reconstructing soil microstructure.

    PubMed

    Karsanina, Marina V; Gerke, Kirill M; Skvortsova, Elena B; Mallants, Dirk

    2015-01-01

    Structural features of porous materials such as soil define the majority of its physical properties, including water infiltration and redistribution, multi-phase flow (e.g. simultaneous water/air flow, or gas exchange between biologically active soil root zone and atmosphere) and solute transport. To characterize soil microstructure, conventional soil science uses such metrics as pore size and pore-size distributions and thin section-derived morphological indicators. However, these descriptors provide only limited amount of information about the complex arrangement of soil structure and have limited capability to reconstruct structural features or predict physical properties. We introduce three different spatial correlation functions as a comprehensive tool to characterize soil microstructure: 1) two-point probability functions, 2) linear functions, and 3) two-point cluster functions. This novel approach was tested on thin-sections (2.21×2.21 cm2) representing eight soils with different pore space configurations. The two-point probability and linear correlation functions were subsequently used as a part of simulated annealing optimization procedures to reconstruct soil structure. Comparison of original and reconstructed images was based on morphological characteristics, cluster correlation functions, total number of pores and pore-size distribution. Results showed excellent agreement for soils with isolated pores, but relatively poor correspondence for soils exhibiting dual-porosity features (i.e. superposition of pores and micro-cracks). Insufficient information content in the correlation function sets used for reconstruction may have contributed to the observed discrepancies. Improved reconstructions may be obtained by adding cluster and other correlation functions into reconstruction sets. Correlation functions and the associated stochastic reconstruction algorithms introduced here are universally applicable in soil science, such as for soil classification

  12. Socioeconomic modifications of the universal soil loss equation

    NASA Astrophysics Data System (ADS)

    Erol, A.; Koşkan, Ö.; Başaran, M. A.

    2015-08-01

    While social scientists have long focused on socioeconomic and demographic factors, physical modelers typically study soil loss using physical factors. In the current environment, it is becoming increasingly important to consider both approaches simultaneously for the conservation of soil and water, and the improvement of land use conditions. This study uses physical and socioeconomic factors to find a coefficient that evaluates the combination of these factors. It aims to determine the effect of socioeconomic factors on soil loss and, in turn, to modify the universal soil loss equation (USLE). The methodology employed in this study specifies that soil loss can be calculated and predicted by comparing the degree of soil loss in watersheds, with and without human influence, given the same overall conditions. A coefficient for socioeconomic factors, therefore, has been determined based on adjoining watersheds (WS I and II), employing simulation methods. Combinations of C and P factors were used in the USLE to find the impact of their contributions to soil loss. The results revealed that these combinations provided good estimation of soil loss amounts for the second watershed, i.e., WS II, from the adjoining watersheds studied in this work. This study shows that a coefficient of 0.008 modified the USLE to reflect the socioeconomic factors, such as settlement, influencing the amount of soil loss in the studied watersheds.

  13. Validating the Thinking Styles Inventory-Revised II among Chinese University Students with Hearing Impairment through Test Accommodations

    ERIC Educational Resources Information Center

    Cheng, Sanyin; Zhang, Li-Fang

    2014-01-01

    The present study pioneered in adopting test accommodations to validate the Thinking Styles Inventory-Revised II (TSI-R2; Sternberg, Wagner, & Zhang, 2007) among Chinese university students with hearing impairment. A series of three studies were conducted that drew their samples from the same two universities, in which accommodating test…

  14. The university gardens: a natural classroom for soil study

    NASA Astrophysics Data System (ADS)

    Sánchez-Marañón, M.; Delgado, G.; Párraga, J.; Martín-García, J. M.; Delgado, R.

    2012-04-01

    The European Space of Superior Education and specifically The Declaration of Bolonia signed by the Ministers responsible for Higher Education in 29 European countries are boosting a renewing of the traditional teaching methods in our universities. Most disciplines have incorporated and adapted the information technologies to their study object in order to achieve a more graphic and dynamic professor-student relationship. The requirement of cutting dawn theory and enhancing practice aspects have also led to intensify the efforts to update and design experiments. The laboratory experiments may be useful tools to hook the students but in the environmental sciences, an object studied in the lab is far away of its natural reality and functioning. Soils are dynamic entities in the nature. Because soil students are in the city and do not have a regular contact with the field, our aim was to teach soils operating in full capacity in the city. Taking advantage of the gardens of our university, a patch of nature in the city, we designed an experiment to show the 'vital signs' of soil and its temporal variability in a short time. In a landscaped area at the Faculty of Science we made a soil survey and subsequently we selected several areas for the installation of soil temperature, humidity, water tension, and respiration sensors. Students arranged by groups and connected on-line through blogs and social nets should record the measurements every day. Although the experiment has just starting, by this teaching method it is expected that the students achieve an experimental knowledge about soil and the way to study it, including measuring devices. They also will learn to organize and elaborate a soil report from real data, as well as work systems and habits for their future career. Acknowledgment: Innovation Project 11-272, Agencia Nacional de Evaluación de la Calidad y Acreditación (ANECA), Spain.

  15. Developing a Foundation for Constructing New Curricula in Soil, Crop, and Turfgrass Sciences

    ERIC Educational Resources Information Center

    Jarvis, Holly D.; Collett, Ryan; Wingenbach, Gary; Heilman, James L.; Fowler, Debra

    2012-01-01

    Some soil and crop science university programs undergo curricula revision to maintain relevancy with their profession and/or to attract the best students to such programs. The Department of Soil and Crop Sciences at Texas A&M University completed a thorough data gathering process as part of its revision of the undergraduate curriculum and…

  16. Hanford Site background: Part 1, Soil background for nonradioactive analytes. Revision 1, Volume 2

    SciTech Connect

    Not Available

    1993-04-01

    Volume two contains the following appendices: Description of soil sampling sites; sampling narrative; raw data soil background; background data analysis; sitewide background soil sampling plan; and use of soil background data for the detection of contamination at waste management unit on the Hanford Site.

  17. Validating the Thinking Styles Inventory-Revised II among Chinese university students with hearing impairment through test accommodations.

    PubMed

    Cheng, Sanyin; Zhang, Li-Fang

    2014-01-01

    The present study pioneered in adopting test accommodations to validate the Thinking Styles Inventory-Revised II (TSI-R2; Sternberg, Wagner, & Zhang, 2007) among Chinese university students with hearing impairment. A series of three studies were conducted that drew their samples from the same two universities, in which accommodating test directions (N = 213), combining test directions with language accommodations from students' perspectives (N = 366), and integrating test directions with language accommodations from teachers' perspectives (N = 129) were used. The accommodated TSI-R2 generally indicated acceptable internal scale reliabilities and factorial validity for Chinese university students with hearing loss. Limitations in relation to the study participants are discussed, as well as test accommodations and the significance and implications of the study.

  18. Revising the Declension Narrative: Liberal Arts Colleges, Universities, and Honors Programs, 1870s-2010s

    ERIC Educational Resources Information Center

    Kimball, Bruce A.

    2014-01-01

    This article examines the prominent narrative asserting that liberal arts colleges have continuously declined in number and status over the past 130 years. Bruce A. Kimball identifies problems in this declension narrative and proposes a revision positing that the decline of liberal arts colleges began only after 1970. Further, he maintains that…

  19. Revised clearance for participation in physical activity: greater screening responsibility for qualified university-educated fitness professionals.

    PubMed

    Jamnik, Veronica K; Gledhill, Norman; Shephard, Roy J

    2007-12-01

    For many individuals, pre-participation clearance using the PAR-Q and the PARmed-X has become a barrier to adopting a physically active lifestyle. An extensive project is therefore planned to reduce the number of medical referrals from the PAR-Q and to revise the PARmed-X so that it becomes more effective, user friendly, and evidence based. The entire process will likely require 3 years to complete; therefore, as an interim solution, we propose giving greater pre-participation screening responsibility to qualified university-educated fitness professionals. The highest level of professional fitness qualification in Canada is the Canadian Society for Exercise Physiology Certified Exercise Physiologist; the requirements for this certification are such that it could serve as a model allowing other countries that use the PAR-Q to develop similarly qualified university-educated fitness professionals who could also be entrusted with greater pre-participation screening responsibility.

  20. Guide to Sources: Colleges & Universities, Graduate Programs, Transfer Information, Financial Aid. Revised.

    ERIC Educational Resources Information Center

    Goodwin, Bryan

    This library guide lists some of the more useful sources of information about colleges and universities that are available in the Fogler Library at the University of Maine. The 99 items cited are listed in four categories: (1) colleges and universities, including general, graduate, and foreign programs; (2) preparation for admission exams; (3)…

  1. Sustainable Materials Management (SMM) Web Academy Webinar: Compost from Food Waste: Understanding Soil Chemistry and Soil Biology on a College/University Campus

    EPA Pesticide Factsheets

    This page contains information about the Sustainable Materials Management (SMM) Web Academy Webinar Series titled Compost from Food Waste:Understanding Soil Chemistry and Soil Biology on a College/University Campus

  2. Hanford Site background: Part 1, Soil background for nonradioactive analytes. Revision 1, Volume 1

    SciTech Connect

    Not Available

    1993-04-01

    The determination of soil background is one of the most important activities supporting environmental restoration and waste management on the Hanford Site. Background compositions serve as the basis for identifying soil contamination, and also as a baseline in risk assessment processes used to determine soil cleanup and treatment levels. These uses of soil background require an understanding of the extent to which analytes of concern occur naturally in the soils. This report documents the results of sampling and analysis activities designed to characterize the composition of soil background at the Hanford Site, and to evaluate the feasibility for use as Sitewide background. The compositions of naturally occurring soils in the vadose Zone have been-determined for-nonradioactive inorganic and organic analytes and related physical properties. These results confirm that a Sitewide approach to the characterization of soil background is technically sound and is a viable alternative to the determination and use of numerous local or area backgrounds that yield inconsistent definitions of contamination. Sitewide soil background consists of several types of data and is appropriate for use in identifying contamination in all soils in the vadose zone on the Hanford Site. The natural concentrations of nearly every inorganic analyte extend to levels that exceed calculated health-based cleanup limits. The levels of most inorganic analytes, however, are well below these health-based limits. The highest measured background concentrations occur in three volumetrically minor soil types, the most important of which are topsoils adjacent to the Columbia River that are rich in organic carbon. No organic analyte levels above detection were found in any of the soil samples.

  3. Revised interim soil lead guidance for CERCLA sites and RCRA Corrective Action Facilities. Directive

    SciTech Connect

    Not Available

    1994-07-14

    As part of the Superfund Administrative Improvements Initiative, this interim directive establishes a streamlined approach for determining protective levels for lead in soil at CERCLA sites and RCRA facilities that are subject to corrective action under RCRA section 3004(u) or 3008(h). This interim directive replaces all previous directives on soil lead cleanup for CERCLA and RCRA programs.

  4. Demonstration testing and evaluation of in situ soil heating. Health and safety plan (Revision 2)

    SciTech Connect

    Dev, H.

    1994-12-28

    This document is the Health and Safety Plan (HASP) for the demonstration of IITRI`s EM Treatment Technology. In this process, soil is heated in situ by means of electrical energy for the removal of hazardous organic contaminants. This process will be demonstrated on a small plot of contaminated soil located in the Pit Area of Classified Burial Ground K-1070-D, K-25 Site, Oak Ridge, TN. The purpose of the demonstration is to remove organic contaminants present in the soil by heating to a temperature range of 85{degrees} to 95{degrees}C. The soil will be heated in situ by applying 60-Hz AC power to an array of electrodes placed in boreholes drilled through the soil. In this section a brief description of the process is given along with a description of the site and a listing of the contaminants found in the area.

  5. Sampling and analysis plan for Mount Plant D & D soils packages, Revision 1

    SciTech Connect

    1991-02-01

    There are currently 682 containers of soils in storage at Mound Plant, generated between April 1 and October 31, 1990 as a result of excavation of soils containing plutonium-238 at two ongoing Decontamination and Decommissioning (D&D) Program sites. These areas are known as Area 14, the waste transfer system (WTS) hillside, and Area 17, the Special Metallurgical (SM) Building area. The soils from these areas are part of Mound Plant waste stream number AMDM-000000010, Contaminated Soil, and are proposed for shipment to the Nevada Test Site (NTS) for disposal as low-level radioactive waste. The sealed waste packages, constructed of either wood or metal, are currently being stored in Building 31 and at other locations throughout the Mound facility. At a meeting in Las Vegas, Nevada on October, 26, 1990, DOE Nevada Operations Office (DOE-NV) and NTS representatives requested that the Mound Plant D&D soils proposed for shipment to NTS be sampled for Toxicity Characteristic Leaching Procedure (TCLP) constituents. On December 14, 1990, DOE-NV also requested that additional analyses be performed on the soils from one of the soils boxes for polychlorinated biphenyls (PCBs), particle size distribution, and free liquids. The purpose of this plan is to document the proposed sampling and analyses of the packages of D&D soils produced prior to October 31, 1990. In order to provide a thorough description of the soils excavated from the WTS and SM areas, sections 1.1 and 1.2 provide historical Information concerning the D&D soils, including waste stream evaluations and past sampling data.

  6. The Universal Design File: Designing for People of All Ages and Abilities. Revised Edition.

    ERIC Educational Resources Information Center

    Story, Molly Follette; Mueller, James L.; Mace, Ronald L.

    This book presents a guide to the concept of universal design, the design of products and environments to be usable to the greatest extent possible by people of all ages and abilities/disabilities. Chapters 1 and 2 present a brief history of universal design and examine the spectrum of human abilities. Chapter 3 addresses the seven principles of…

  7. Demonstration testing and evaluation of in situ soil heating. Treatability study work plan, Revision 1

    SciTech Connect

    Sresty, G.C.

    1994-07-07

    A Treatability Study planned for the demonstration of the in situ electromagnetic (EM) heating process to remove organic solvents is described in this Work Plan. The treatability study will be conducted by heating subsurface vadose-zone soils in an organic plume adjacent to the Classified Burial Ground K-1070-D located at K-25 Site, Oak Ridge. The test is scheduled to start during the fourth quarter of FY94 and will be completed during the first quarter of FY95. The EM heating process for soil decontamination is based on volumetric heating technologies developed during the `70s for the recovery of fuels from shale and tar sands by IIT Research Institute (IITRI) under a co-operative program with the US Department of Energy (DOE). Additional modifications of the technology developed during the mid `80s are currently used for the production of heavy oil and waste treatment. Over the last nine years, a number of Government agencies (EPA, Army, AF, and DOE) and industries sponsored further development and testing of the in situ heating and soil decontamination process for the remediation of soils containing hazardous organic contaminants. In this process the soil is heated in situ using electrical energy. The contaminants are removed from the soil due to enhanced vaporization, steam distillation and stripping. IITRI will demonstrate the EM Process for in situ soil decontamination at K-25 Site under the proposed treatability study. Most of the contaminants of concern are volatile organics which can be removed by heating the soil to a temperature range of 85 to 95 C. The efficiency of the treatment will be determined by comparing the concentration of contaminants in soil samples. Samples will be obtained before and after the demonstration for a measurement of the concentration of contaminants of concern.

  8. Estimation of soil loss by water erosion in the Chinese Loess Plateau using Universal Soil Loss Equation and GRACE

    NASA Astrophysics Data System (ADS)

    Schnitzer, S.; Seitz, F.; Eicker, A.; Güntner, A.; Wattenbach, M.; Menzel, A.

    2013-06-01

    For the estimation of soil loss by erosion in the strongly affected Chinese Loess Plateau we applied the Universal Soil Loss Equation (USLE) using a number of input data sets (monthly precipitation, soil types, digital elevation model, land cover and soil conservation measures). Calculations were performed in ArcGIS and SAGA. The large-scale soil erosion in the Loess Plateau results in a strong non-hydrological mass change. In order to investigate whether the resulting mass change from USLE may be validated by the gravity field satellite mission GRACE (Gravity Recovery and Climate Experiment), we processed different GRACE level-2 products (ITG, GFZ and CSR). The mass variations estimated in the GRACE trend were relatively close to the observed sediment yield data of the Yellow River. However, the soil losses resulting from two USLE parameterizations were comparatively high since USLE does not consider the sediment delivery ratio. Most eroded soil stays in the study area and only a fraction is exported by the Yellow River. Thus, the resultant mass loss appears to be too small to be resolved by GRACE.

  9. Experimental stations as a tool to teach soil science at the University of Valencia

    NASA Astrophysics Data System (ADS)

    Cerdà, Artemi

    2010-05-01

    This paper shows the strategies used at the University of Valencia (Department of Geography. Soil Erosion and Degradation Research Group) to teach soil science at the Geography and Enviromental Science Degrees. The use of the Montesa and El Teularet research stations contribute with a better knowledge on soil science for the students as they can see the measurements carried out in the field. Students visit the stations and contribute to measurements and sampling every season. The use of meteorological stations, erosion plots, soil moisture and soil temperatures probes, and sampling give the students the chances to understand the theoretical approach they use to have. This presentation will show how the students evolve, and how their knowledge in soil science is improved.

  10. Site Study Plan for laboratory soil mechanics, Deaf Smith County site, Texas: Revision 1

    SciTech Connect

    Not Available

    1987-12-01

    This Site Study Plan for laboratory soil mechanics describes the laboratory testing to be conducted on soil samples collected as part of the characterization of the Deaf Smith County site, Texas. This study provides for measurements of index, mechanical, thermal, hydrologic, chemical, and mineral properties of soils from boring throughout the site. Samples will be taken from Playa Borings/Trenching, Transportation/Utilities Foundation Borings, Repository Surface Facilities Design Foundation Borings, and Exploratory Shaft Facilities Design Foundation Borings. Data from the laboratory tests will be used for soil strata characterization, design of foundations for surface structures, design of transportation facilities and utility structures, design of impoundments, design of shaft lining, design of the shaft freeze wall, shaft permitting, performance assessment calculations, and other program requirements. A tentative testing schedule and milestone log are given. A quality assurance program will be utilized to assure that activities affecting quality are performed correctly and that appropriate documentation is maintained. 18 refs., 6 figs., 3 tabs.

  11. Demonstration testing and evaluation of in situ soil heating. Treatability study work plan (Revision 2)

    SciTech Connect

    Sresty, G.C.

    1994-12-30

    A Treatability Study planned for the demonstration of the in situ electromagnetic (EM) heating process to remove organic solvents is described in this Work Plan. The treatability study will be conducted by heating subsurface vadose-zone soils in an organic plume adjacent to the Classified Burial Ground K-1070-D located at K-25 Site, Oak Ridge. The test is scheduled to start during the fourth quarter of FY94 and will be completed during the first quarter of FY95. Over the last nine years, a number of Government agencies (EPA, Army, AF, and DOE) and industries sponsored further development and testing of the in situ heating and soil decontamination process for the remediation of soils containing hazardous organic contaminants. In this process the soil is heated in situ using electrical energy. The contaminants are removed from the soil due to enhanced vaporization, steam distillation and stripping. IITRI will demonstrate the EM Process for in situ soil decontamination at K-25 Site under the proposed treatability study. Most of the contaminants of concern are volatile organics which can be removed by heating the soil to a temperature range of 85{degrees} to 95{degrees}C. The efficiency of the treatment will be determined by comparing the concentration of contaminants in soil samples. Samples will be obtained before and after the demonstration for a measurement of the concentration of contaminants of concern. This document is a Treatability Study Work Plan for the demonstration program. The document contains a description of the proposed treatability study, background of the EM heating process, description of the field equipment, and demonstration test design.

  12. Relativistic astrophysics. Volume 2 - The structure and evolution of the universe /Revised and enlarged edition/

    NASA Astrophysics Data System (ADS)

    Zeldovich, Ia. B.; Novikov, I. D.

    This book constitutes the second volume of the monograph, Relativistic Astrophysics. It is devoted to cosmology and can be read independently of the first volume. The expansion and geometrical structure of the homogeneous, isotropic universe are examined, taking into account the local properties of the cosmological model, the relativistic theory of the universe, the propagation of photons and neutrinos, observational methods for testing cosmological theories, and the cosmological constant. Other subjects discussed are related to the physical processes in the hot universe, anisotropic cosmology, and the singularity and new theoretical developments. Attention is given to the thermodynamic equilibrium at the beginning of the cosmological expansion, the kinetics of elementary-particle processes, the radiation-dominated plasma and the relic radiation, the gravitational instability in Newtonian theory, instability in the hot model, gravitational instability in the general theory of relativity, statistical theory, and theories of galaxy formation.

  13. SWAT - CS: Revision and testing of SWAT (Soil and Water Assessment Tool) for forested Canadian Shield watersheds

    NASA Astrophysics Data System (ADS)

    Fu, C.; James, A. L.; Yao, H.

    2012-12-01

    The widely-used SWAT (Soil and Water Assessment Tool) model was originally developed for agricultural landscapes but recent applications are expanding its use to new landscapes and diverse landuse (including urban, forest, grasslands). In this study, we revise the existing, publicly available SWAT (version2009.10.1 Beta3) to create SWAT-CS, a version representing hydrological and biogeochemical processes dominating Boreal Shield watersheds, where boreal forest extends over Precambrian Shield bedrock. In different parts of Canada's Boreal Shield, watersheds are under increasing pressure from various types of development (e.g. mining, increased cottagers) and changing climate. Boreal Shield watersheds are generally characterized by shallow forested soils with high infiltration rates and low bedrock infiltration, generating little overland flow and where macropore and subsurface flow are important streamflow generation processes. Large numbers of wetlands and lakes are also key physiographic features, and snow-processes are critical to watershed modeling in this climate. Very few studies applying SWAT to Boreal Shield watersheds exist (we have found one). In this study we present hydrologic simulation results using SWAT-CS as a first step towards large scale water quality modeling in Boreal watersheds. We test SWAT-CS using the Harp Lake catchment dataset, an Ontario Ministry of Environment research station located in central Ontario. Simulations are evaluated against 30 years of observational data, including streamflow from six headwater sub-catchments (0.1 to 1.9 km2), outflow from Harp Lake (5.4 km2) and five years of weekly snow water equivalent (SWE). For sub-catchment HP4 (with detailed land use and soil data) results show best daily streamflow Nash-Sutcliffe efficiency (NSE) of 0.60 and 0.65, for calibration and verification periods, respectively. Best NSE for SWE was 0.87. For this range of scales, land cover and soil properties were found to be transferable

  14. Beliefs about Teaching and Learning in University Teachers: Revision of Some Studies

    ERIC Educational Resources Information Center

    Solis, Carmen A.

    2015-01-01

    Research shows that the belief the teachers have about teaching, learning, and their students affect their planning, instructing and evaluation processes in the classroom, and also that they have a repercussion on the student's learning and performance in the classroom. In the case of university teachers, the beliefs about the teaching-learning…

  15. A Good University Physical Plant Organization and What Makes It Click. Revised July 1966.

    ERIC Educational Resources Information Center

    Fifield, M. F.

    The organization and administration of a university or college physical plant department is dealt with specifically. The following aspects of a good physical plant department are discussed--(1) leadership, (2) organization, (3) communications, (4) budgetary support, (5) facilities and equipment, (6) skill of personnel, (7) design to serve, (8)…

  16. A Profile of California Community College Transfer Students at the University of California. [Revised].

    ERIC Educational Resources Information Center

    Baratta, Frank; Apodaca, Ed C.

    A study was conducted by the University of California (UC) to investigate trends in community college transfer rates between 1965 and 1987; institutional origins, characteristics, and first-year performance of transfer students; and student persistence and graduation rates. Study findings included the following: (1) between 1965 and the peak year…

  17. Resources for Educators of Adults. Syracuse University Publications in Continuing Education (SUPCE). MS12 Revised.

    ERIC Educational Resources Information Center

    Charters, Alexander N., Comp.

    This is a collection of bibliographies of publications produced over the years for Syracuse University Publications in Continuing Education to meet the demand for quality educational resources for educators of adults. It includes the following series: Notes and Essays and Reports Series in Continuing Education of Adults; Occasional Papers Series…

  18. The Administrative Organization of the Libraries of Columbia University: A Detailed Description. Revised Edition.

    ERIC Educational Resources Information Center

    Columbia Univ., New York, NY. The Libraries.

    The organization of each unit, section, department, division, and group of the Columbia University Library is described by listing principal administrator, parent unit, role, objectives, functions, key working relationships, reports produced, and performance and evaluative criteria. The hierarchical structure of the library is indicated in the…

  19. Revised List of Type Specimens on Deposit in the University of California Davis Nematode Collection

    PubMed Central

    Stock, S. Patricia; Nadler, Steven A.

    1998-01-01

    The list of deposited type specimens is updated for the University of California Davis Nematode Collection, as recommended by the International Code of Zoological Nomenclature. The type collection includes 1,001 species and more than 11,000 individual specimens mounted on microscope slides. This list can be used as a reference to locate specimens but is not meant to clarify ambiguities that may exist concerning the type status of particular specimens. PMID:19274230

  20. The Explorer's Guide to the Universe: A Reading List for Planetary and Space Science. Revised

    NASA Technical Reports Server (NTRS)

    French, Bevan M. (Compiler); McDonagh, Mark S. (Compiler)

    1984-01-01

    During the last decade, both scientists and the public have been engulfed by a flood of discoveries and information from outer space. Distant worlds have become familiar landscapes. Instruments in space have shown us a different Sun by the "light" of ultraviolet radiation and X-rays. Beyond the solar system, we have detected a strange universe of unsuspected violence, unexplained objects, and unimaginable energies. We are completely remarking our picture of the universe around us, and scientists and the general public alike are curious and excited about what we see. The public has participated in this period of exploration and discovery to an extent never possible before. In real time, TV screens show moonwalks, the sands of Mars, the volcanoes of Io, and the rings of Saturn. But after the initial excitement, it is hard for the curious non-scientist to learn more details or even to stay in touch with what is going on. Each space mission or new discovery is quickly skimmed over by newspapers and TV and then preserved in technical journals that are neither accessible nor easily read by the average reader. This reading list is an attempt to bridge the gap between the people who make discoveries in space and the people who would like to read about them. The aim has been to provide to many different people--teachers, students, scientists, other professionals, and curious citizens of all kinds--a list of readings where they can find out what the universe is like and what we have learned about it. We have included sections on the objects that seem to be of general interest--the Moon, the planets, the Sun, comets, and the universe beyond. We have also included material on related subjects that people are interested in--the history of space exploration, space habitats, extraterrestrial life, and U F O ' s . The list is intended to be self-contained; it includes both general references to supply background and more specific sources for new discoveries. Although the list can

  1. Soil contamination by Toxocara spp. eggs in a university in Mexico City.

    PubMed

    Trejo, Carlos Antelmo Celis; Romero Núñez, Camilo; García Contreras, Adelfa Del Carmen; Mendoza Barrera, Germán Eduardo

    2012-01-01

    The contamination levels of Toxocara spp. eggs in soil samples from a university campus in Mexico City were evaluated and analysed according to garden size, and were related with the percentage of Toxocara spp. eggs and its viability according to the soil characteristics. A total of 1458 soil samples collected in 15 gardens (six large and nine small) were analysed by sedimentation-flotation with zinc sulphate solution on at 33%. Contamination was low (12.9%), and egg viability was high (65.5%). The size of the garden had no influence on the presence and viability of Toxocara spp. eggs. Contamination was negatively correlated with the percentage of vegetation (r = -0. 61, P < 0.01) and the viability was negatively associated with the percentage of clay in the soil samples (r = -0.51, P < 0.04). The size of the garden did not influence the presence and viability of Toxocara spp. eggs.

  2. Universal sheet resistance and revised phase diagram of the cuprate high-temperature superconductors.

    PubMed

    Barisic, Neven; Chan, Mun K; Li, Yuan; Yu, Guichuan; Zhao, Xudong; Dressel, Martin; Smontara, Ana; Greven, Martin

    2013-07-23

    Upon introducing charge carriers into the copper-oxygen sheets of the enigmatic lamellar cuprates, the ground state evolves from an insulator to a superconductor and eventually to a seemingly conventional metal (a Fermi liquid). Much has remained elusive about the nature of this evolution and about the peculiar metallic state at intermediate hole-carrier concentrations (p). The planar resistivity of this unconventional metal exhibits a linear temperature dependence (ρ ∝ T) that is disrupted upon cooling toward the superconducting state by the opening of a partial gap (the pseudogap) on the Fermi surface. Here, we first demonstrate for the quintessential compound HgBa2CuO4+δ a dramatic switch from linear to purely quadratic (Fermi liquid-like, ρ ∝ T(2)) resistive behavior in the pseudogap regime. Despite the considerable variation in crystal structures and disorder among different compounds, our result together with prior work gives insight into the p-T phase diagram and reveals the fundamental resistance per copper-oxygen sheet in both linear (ρ = A1T) and quadratic (ρ = A2T(2)) regimes, with A1 ∝ A2 ∝ 1/p. Theoretical models can now be benchmarked against this remarkably simple universal behavior. Deviations from this underlying behavior can be expected to lead to new insight into the nonuniversal features exhibited by certain compounds.

  3. The Padua Inventory: Do Revisions Need Revision?

    ERIC Educational Resources Information Center

    Gonner, Sascha; Ecker, Willi; Leonhart, Rainer

    2010-01-01

    The purpose of the present study was to examine the psychometric properties, factorial structure, and validity of the Padua Inventory-Washington State University Revision and of the Padua Inventory-Revised in a large sample of patients with obsessive-compulsive disorder (n = 228) and with anxiety disorders and/or depression (n = 213). The…

  4. Tectology of soil megasystems: Universal principles of organization and analysis of data

    NASA Astrophysics Data System (ADS)

    Rozhkov, V. A.; Skvortsova, E. B.

    2009-10-01

    General concepts of tectology—the universal organization science—are discussed. It is shown that some of them can be applied for the formal analysis of visual images of soil systems obtained at different levels of their organization—from photos of thin sections to soil maps—and the corresponding attribute data. The structure of visual and attribute data at the level of thin sections and the methods of their analysis do not differ from those applied upon the analysis of soil cartographic materials. In particular, this concerns the procedures for data classification—the universal tool to analyze empirical data and to generate various hypotheses. These procedures include the methods of multivariate statistics and data convolution, the development of systems of information indices, the development of hierarchical and/or ordinate structures of soil objects, etc. Modern information technologies, including data bases and geographic information systems with solid mathematical support, make it possible to advance the ideas of tectology with the aim to improve the efficiency of theoretical and applied studies in soil science.

  5. Mapping Erosion Risk in California's Rangelands Using the Universal Soil Loss Equation (USLE)

    NASA Astrophysics Data System (ADS)

    Salls, W. B.; O'Geen, T. T.

    2015-12-01

    Soil loss constitutes a multi-faceted problem for agriculture: in addition to reducing soil fertility and crop yield, it compromises downstream water quality. Sediment itself is a major issue for aquatic ecosystems, but also serves as a vector for transporting nutrients, pesticides, and pathogens. Rangelands are thought to be a contributor to water quality degradation in California, particularly in the northern Coast Range. Though total maximum daily loads (TMDLs) have been imposed in some watersheds, and countless rangeland water quality outreach activities have been conducted, the connection between grazing intensity recommendations and changes in water quality is poorly understood at the state level. This disconnect gives rise to poorly informed regulations and discourages adoption of best management practices by ranchers. By applying the Universal Soil Loss Equation (USLE) at a statewide scale, we highlighted areas most prone to erosion. We also investigated how two different grazing intensity scenarios affect modeled soil loss. Geospatial data layers representing the USLE parameters—rainfall erosivity, soil erodibility, slope length and steepness, and cover—were overlaid to model annual soil loss. Monitored suspended sediment data from a small North Coast watershed with grazing as the predominant land use was used to validate the model. Modeled soil loss values were nearly one order of magnitude higher than monitored values; average soil loss feeding the downstream-most site was modeled at 0.329 t ha-1 yr-1, whereas storm-derived sediment passing the site over two years was calculated to be 0.037 t ha-1 yr-1. This discrepancy may stem from the fact that the USLE models detached sediment, whereas stream monitoring reflects sediment detached and subsequently transported to the waterway. Preliminary findings from the statewide map support the concern that the North Coast is particularly at risk given its combination of intense rain, erodible soils, and

  6. Soil organic matter in the Moscow State University botanical garden on the Vorob'evy Hills

    NASA Astrophysics Data System (ADS)

    Rozanova, M. S.; Prokof'eva, T. V.; Lysak, L. V.; Rakhleeva, A. A.

    2016-09-01

    Humification conditions and humus status parameters in arboretum soils of the Moscow State University botanical garden on the Vorob'evy Hills have been studied. Although microbiological activity is reduced, the warm and mild climate in the city, the eutrophication of soils (due to atmospheric fallouts and dissolution of construction waste inclusions), the retention of plant waste on the soil surface, and the presence of abundant primary destructors (mesofauna) have resulted in the formation of organic matter with specific characteristics. During the 60 years that have elapsed since the arboretum establishment, soils with a high content (up to 10-14%) of humate humus (CHA/CFA > 1) characterized by a higher degree of humification than in the control soils under herbaceous vegetation have been developed in the area. Large reserves of organic carbon have been noted not only in the upper 30-cm-thick soil layer, but also in the 1-m-thick layer due to organic matter of buried and technogenic horizons.

  7. University Physics, Revised Edition

    NASA Astrophysics Data System (ADS)

    Benson, Harris

    1996-03-01

    Partial table of contents: Vectors. One-Dimensional Kinematics. Particle Dynamics II. Work and Energy. Linear Momentum. Systems of Particles. Angular Momentum and Statics. Gravitation. Solids and Fluids. Oscillations. Mechanical Waves. Sound. First Law of Thermodynamics. Kinetic Theory. Entropy and the Second Law of Thermodynamics. Electrostatics. The Electric Field. Gauss's Law. Electric Potential. Current and Resistance. The Magnetic Field. Sources of the Magnetic Field. Electromagnetic Induction. Light: Reflection and Refraction. Lenses and Optical Instruments. Wave Optics I. Special Relativity. Early Quantum Theory. Nuclear Physics. Appendices. Answers to Odd-Numbered Exercises and Problems. Index.

  8. Sampling and Analysis for Lead in Water and Soil Samples on a University Campus: A Student Research Project.

    ERIC Educational Resources Information Center

    Butala, Steven J.; Zarrabi, Kaveh

    1995-01-01

    Describes a student research project that determined concentrations of lead in water drawn from selected drinking fountains and in selected soil samples on the campus of the University of Nevada, Las Vegas. (18 references) (DDR)

  9. Spatial and Temporal Evaluation of Soil Erosion with RUSLE: A case Study in an Olive Orchard Microcathment in Spain

    EPA Science Inventory

    Soil loss is commonly estimated using the Revised Universal Soil Loss Equation (RUSLE). Since RUSLE is an empirically based soil loss model derived from surveys on plots, the high spatial and temporal variability of erosion in Mediterranean environments and scale effects provo...

  10. Spatial and Temporal Evaluation of Soil Erosion with RUSLE: A Case Study in an Olive Orchard Microcathment in Spain

    EPA Science Inventory

    Soil loss is commonly estimated using the Revised Universal Soil Loss Equation (RUSLE). Since RUSLE is an empirically based soil loss model derived from surveys on plots, the high spatial and temporal variability of erosion in Mediterranean environments and scale effects provoke...

  11. Comparison of universal kriging and regression tree modelling for soil property mapping

    NASA Astrophysics Data System (ADS)

    Kempen, Bas

    2013-04-01

    Geostatistical modelling approaches have been dominating the field of digital soil mapping (DSM) since its inception in the early 1980s. In recent years, however, machine learning methods such as classification and regression trees, random forests, and neural networks have quickly gained popularity among researchers in the DSM community. The increased use of these methods has largely gone at the cost of geostatistical approaches. Despite the apparent shift in the application of DSM methods from geostatistics to machine learning, quantitative comparisons of the prediction performance of these methods are largely lacking. The aims of this research, therefore, are: i) to map two soil properties (topsoil organic matter content and thickness of the peat layer in the soil profile) using regression tree (RT) modelling and universal kriging (UK), and ii) to compare the prediction performance of these methods with independent data obtained by probability sampling. Using such data for validation does not only yield a statistically valid and unbiased estimates of the map accuracy, but it also allows a statistical comparison of the accuracies of the maps generated by the two methods. The topsoil organic matter content and the thickness of the peat layer were mapped for a 14,000 ha area in the province of Drenthe, The Netherlands. The calibration dataset contained soil property observations at 1,715 sites. The covariates used include layers derived from soil and paleogeography maps, land cover, relative elevation, drainage class, land reclamation period, elevation change, and historic land use. The validation dataset contained 125 observations selected by stratified simple random sampling of the study area. The root mean squared error (RMSE) of the soil organic matter map obtained by RT modelling was 0.603 log(%), that of the map obtained by UK 0.595 log(%). The difference in map accuracy was not significant (p = 0.377). The RMSE of the peat thickness map obtained by RT

  12. Soil erosion assessment using the Universal Soil Loss Equation (USLE) in a GIS framework: A case study of Zacatecas, México

    NASA Astrophysics Data System (ADS)

    Betanzos Arroyo, L. I.; Prol Ledesma, R. M.; da Silva Pinto da Rocha, F. J. P.

    2014-12-01

    The Universal Soil Loss Equation (USLE), which is considered to be a contemporary approach in soil loss assessment, was used to assess soil erosion hazard in the Zacatecas mining district. The purpose of this study is to produce erosion susceptibility maps for an area that is polluted with mining tailings which are susceptible to erosion and can disperse the particles that contain heavy metals and other toxic elements. USLE method is based in the estimation of soil loss per unit area and takes into account specific parameters such as precipitation data, topography, soil erodibility, erosivity and runoff. The R-factor (rainfall erosivity) was calculated from monthly and annual precipitation data. The K-factor (soil erodibility) was estimated using soil maps available from the CONABIO at a scale of 1:250000. The LS-factor (slope length and steepness) was determined from a 30-m digital elevation model. A raster-based Geographic Information System (GIS) was used to interactively calculate soil loss and map erosion hazard. The results show that estimated erosion rates ranged from 0 to 4770.48 t/ha year. Maximum proportion of the total area of the Zacatecas mining district have nil to very extremely slight erosion severity. Small areas in the central and south part of the study area shows the critical condition requiring sustainable land management.

  13. A GIS-based procedure for automatically calculating soil loss from the Universal Soil Loss Equation: GISus-M

    Technology Transfer Automated Retrieval System (TEKTRAN)

    The integration of methods for calculating soil loss caused by water erosion using a geoprocessing system is important to enable investigations of soil erosion over large areas. GIS-based procedures have been used in soil erosion studies; however in most cases it is difficult to integrate the functi...

  14. Guidelines for acceptable soil concentrations in the Old F- and H-Area Retention Basins. Revision 1

    SciTech Connect

    Hamby, D.M.

    1994-04-18

    Concentration guidelines for residual radionuclides in soil at the sites of the Old F- and a Retention Basins (281-3F, 281-3H) have been calculated using a dose-based approach. The guidelines also are being applied to areas around the F-Basin`s Process Line. Estimation of these soil guidelines was completed using RESRAD 5.0 in accordance with the DOE RESRAD methodology specified in DOE/CH/8901 (Gi89). Guidelines are provided for the nuclides known to be present in the soils at each basin (Sc87). Soil and hydrologic characteristics specific to each basin are defined for the areas above, within, and beneath the contaminated zones.

  15. Revised calibration of the MBT-CBT paleotemperature proxy based on branched tetraether membrane lipids in surface soils

    NASA Astrophysics Data System (ADS)

    Peterse, Francien; van der Meer, Jaap; Schouten, Stefan; Weijers, Johan W. H.; Fierer, Noah; Jackson, Robert B.; Kim, Jung-Hyun; Sinninghe Damsté, Jaap S.

    2012-11-01

    The MBT-CBT proxy for the reconstruction of paleotemperatures and past soil pH is based on the distribution of branched glycerol dialkyl glycerol tetraether (brGDGT) membrane lipids. The Methylation of Branched Tetraether (MBT) and the Cyclisation of Branched Tetraether (CBT) indices were developed to quantify these distributions, and significant empirical relations between these indices and annual mean air temperature (MAT) and/or soil pH were found in a large data set of soils. In this study, we extended this soil dataset to 278 globally distributed surface soils. Of these soils, 26% contains all nine brGDGTs, while in 63% of the soils the seven most common brGDGTs were detected, and the latter were selected for calibration purposes. This resulted in new transfer functions for the reconstruction of pH based on the CBT index: pH = 7.90-1.97 × CBT (r2 = 0.70; RMSE = 0.8; n = 176), as well as for MAT based on the CBT index and methylation index based on the seven most abundant GDGTs (defined as MBT‧): MAT = 0.81-5.67 × CBT + 31.0 × MBT‧ (r2 = 0.59; RMSE = 5.0 °C; n = 176). The new transfer function for MAT has a substantially lower correlation coefficient than the original equation (r2 = 0.77). To investigate possible improvement of the correlation, we used our extended global surface soil dataset to statistically derive the indices that best describe the relations of brGDGT composition with MAT and soil pH. These new indices, however, resulted in only a relatively minor increase in correlation coefficients, while they cannot be explained straightforwardly by physiological mechanisms. The large scatter in the calibration cannot be fully explained by local factors or by seasonality, but MAT for soils from arid regions are generally substantially (up to 20 °C) underestimated, suggesting that absolute brGDGT-based temperature records for these areas should be interpreted with caution. The applicability of the new MBT‧-CBT calibration function was tested

  16. Data documentation for the bare soil experiment at the University of Arkansas

    NASA Technical Reports Server (NTRS)

    Waite, W. P.; Scott, H. D. (Principal Investigator); Hancock, G. D.

    1980-01-01

    The reflectivities of several controlled moisture test plots were investigated. These test plots were of a similar soil texture which was clay loam and were prepared to give a desired initial soil moisture and density profile. Measurements were conducted on the plots as the soil water redistributed for both long term and diurnal cycles. These measurements included reflectivity, gravimetric and volumetric soil moisture, soil moisture potential, and soil temperature.

  17. The University of Michigan Dioxin Exposure Study: estimating residential soil and house dust exposures to young children.

    PubMed

    Paustenbach, Dennis J; Kerger, Brent D

    2013-04-01

    The University of Michigan Dioxin Exposure Study provides extensive data on elevated residential soil and house dust concentrations of polychlorinated dioxins and dibenzofurans (PCDD/Fs) and adult body burdens among residents near a chemical manufacturing plant in Midland, Michigan. Recent reports found no significant contribution of residential soil/dust concentrations to serum lipid PCDD/Fs in adults. Although child body burdens were not studied by the University of Michigan, internal dose modeling that incorporates recent findings on demonstrated shorter elimination half life of PCDD/Fs in children (1-2 year half life in children vs. ~7 years in older adults) can be applied to assess this important issue. The model examines children (ages 0-7 years) with background dietary intake and exposure to residential soils at selected concentrations (10, 100 and 1000 pg/g 2,3,7,8-tetrachlorodibenzo-p-dioxin toxic equivalents, TEQ) using the congener patterns observed in Midland. Model predictions assuming 50th percentile TEQ uptake from soil/dust-related dermal and ingestion exposures indicate no measurable changes in serum lipid TEQ concentrations up to 1000 pg/g in soil/dust. Assuming 95th percentile uptake, the model shows no measurable serum lipid TEQ change up to 100 pg/g in soil/dust, but serum lipid TEQ levels rose ~2 pg/g at 1000 pg/g in soil/dust. Since the vast majority of soil/dust data were below 100 pg/g, Michigan children exposed to such soil/dust TEQ concentrations are not reasonably expected to exhibit measurable changes in serum lipid TEQ concentrations when compared to typical background dietary exposures. With adequate data, this approach can be applied to evaluate child dose and risk for other persistent chemicals.

  18. Improved representations of coupled soil-canopy processes in the CABLE land surface model (Subversion revision 3432)

    NASA Astrophysics Data System (ADS)

    Haverd, Vanessa; Cuntz, Matthias; Nieradzik, Lars P.; Harman, Ian N.

    2016-09-01

    CABLE is a global land surface model, which has been used extensively in offline and coupled simulations. While CABLE performs well in comparison with other land surface models, results are impacted by decoupling of transpiration and photosynthesis fluxes under drying soil conditions, often leading to implausibly high water use efficiencies. Here, we present a solution to this problem, ensuring that modelled transpiration is always consistent with modelled photosynthesis, while introducing a parsimonious single-parameter drought response function which is coupled to root water uptake. We further improve CABLE's simulation of coupled soil-canopy processes by introducing an alternative hydrology model with a physically accurate representation of coupled energy and water fluxes at the soil-air interface, including a more realistic formulation of transfer under atmospherically stable conditions within the canopy and in the presence of leaf litter. The effects of these model developments are assessed using data from 18 stations from the global eddy covariance FLUXNET database, selected to span a large climatic range. Marked improvements are demonstrated, with root mean squared errors for monthly latent heat fluxes and water use efficiencies being reduced by 40 %. Results highlight the important roles of deep soil moisture in mediating drought response and litter in dampening soil evaporation.

  19. Technical Writing: Library Resources for Engineers. A Self-Paced Workbook for the University of Arkansas Libraries. Revised.

    ERIC Educational Resources Information Center

    Dew, Stephen H.

    This self-paced library workbook is a course requirement of all "technical writing" freshman English classes at the University of Arkansas. The technical writing course is required of all engineering students, and its major focus is on writing a term paper containing a bibliography produced through library research. The workbook…

  20. A Newly Revised Master's Degree in Physical Education and Physical Activity Leadership at the University of Northern Colorado

    ERIC Educational Resources Information Center

    Dauenhauer, Brian; Krause, Jennifer; Douglas, Scott; Smith, Mark; Stellino, Megan Babkes

    2017-01-01

    In response to calls on physical education teacher education (PETE) programs to better prepare teachers for a broadened role in school-based physical activity promotion, the University of Northern Colorado has recently established a Master of Arts in teaching physical education and physical activity leadership (MAT PE-PAL) degree. The…

  1. Games in an Introductory Soil Science Course: A Novel Approach for Increasing Student Involvement with Course Material

    ERIC Educational Resources Information Center

    Sulzman, Elizabeth W.

    2004-01-01

    An optional 1-credit recitation course was developed to supplement a traditionally taught 4-credit lecture-plus-laboratory course in soil science at Oregon State University. Popular, competitive games that would be familiar to students were revised to be "soils-based" and were employed in the recitation class. These games were seen as a…

  2. Soil and hydrology sciences need laboratory and field experiments in the classroom. An example from the SEDER (Soil Erosion and Degradation Research Group) from the University of Valencia

    NASA Astrophysics Data System (ADS)

    Cerdà, Artemi; González Pelayo, Óscar; García Orenes, Fuensanta; Jordán, Antonio; Pereira, Paulo; Novara, Agata; Úbeda, Xavier

    2015-04-01

    The use of experimental stations and long-term measurements in the field and in the laboratory contributed to large datasets and key information to understand the soil system and the hydrological cycle (Neal et al., 2011; García Orenes et al., 2012; López-Garrido et al., 2012; Kröpf et al., 2013; Nadal-Romero, 2013; Taguas et al., 2013; Zhao et al., 2013). However, teaching in high schools and colleagues require simple experiments to help the students to understand the soil and water resources and management. We show here the experiments and measurements we conduct within the teaching program of the Soil Erosion and Degradation Research Group at the University of Valencia to help the students in the understanding of the soil and hydrologic processes. The expereriments and measurements developed are the following: (i) Water Drop Penetration Time (WDPT) to determine the soil water repellency; (ii) Leaves water retention capacity measured in the field; (iii) soil infiltration capacity measured with simple ring infiltrometers; (iv) measurement of the soil bulk density; and (v) measurement of the soil water content. Those experiments and measurements are applied to agriculture, rangeland and fire affected soils. Acknowledgements To the "Ministerio de Economía and Competitividad" of Spanish Government for finance the POSTFIRE project (CGL2013- 47862-C2-1-R). The research projects GL2008-02879/BTE, LEDDRA 243857 and PREVENTING AND REMEDIATING DEGRADATION OF SOILS IN EUROPE THROUGH LAND CARE (RECARE)FP7-ENV-2013- supported this research. References García-Orenes, F., Roldán, A., Mataix-Solera, J., Cerdà, A., Campoy, M., Arcenegui, V., Caravaca, F. 2012 Soil structural stability and erosion rates influenced by agricultural management practices in a semi-arid Mediterranean agro-ecosystem. Soil Use and Management 28(4): 571-579. DOI: 10.1111/j.1475-2743.2012.00451.x Kröpfl, A. I., Cecchi, G. A., Villasuso, N. M., Distel, R. A. 2013. Degradation and recovery processes

  3. Contractual Revision.

    ERIC Educational Resources Information Center

    Engel, Mary F.; Sawyer, Thomas M.

    Contractual revision promotes cooperation between teachers and tutors and, being student initiated, provides a method to increase student control over the revision process and encourage students to communicate their strengths and weaknesses in writing to their teachers or tutors. The contractual revision process requires students to form contracts…

  4. A Study on Estimation of the Amount of Soil Erosion in Small Watershed Based on GIS: A Case Study in the Three Gorge Area of China

    DTIC Science & Technology

    2005-07-25

    grid cell with coordinates ),( ji ; and m is the slope length exponent of the LS factor of the USLE . After determining the L for each grid cell, the...Universal Soil Loss Equation ( USLE ) developed by Wischmeier and Smith (1978) is the most frequently used empirical soil erosion model worldwide. More...recently, Renard et al. (1997) have modified the USLE into a revised Universal Soil Loss Equation (RUSLE) by introducing improved means of computing the

  5. Barometric pumping of burial trench soil gases into the atmosphere at the 740-G Sanitary Landfill. Revision 1

    SciTech Connect

    Wyatt, D.E.; Pirkle, R.J.; Masdea, D.J.

    1992-12-01

    In 1991, a soil gas survey was performed at the Savannah River Site Sanitary Landfill as part of the characterization efforts required under the integrated Resource Conservation and Recovery Act (RCRA) Facility Investigation and Comprehensive Environmental Resource Conservation and Recovery Act (CERCLA) Remedial Investigation (RFI/RI) program. This report details the findings of this survey, which identified several areas of the landfill that were releasing volatile organic compounds to the atmosphere at levels exceeding regulatory standards. Knowledge of the rates of VOC outgassing is necessary to protect site workers, provide input into the human health and environmental risk assessment documents and provide input into the remedial design scenario.

  6. Soils Project Risk-Based Corrective Action Evaluation Process with ROTC 1 and ROTC 2, Revision 0

    SciTech Connect

    Matthews, Patrick; Sloop, Christina

    2012-04-01

    This document formally defines and clarifies the NDEP-approved process the NNSA/NSO Soils Activity uses to fulfill the requirements of the FFACO and state regulations. This process is used to establish FALs in accordance with the risk-based corrective action (RBCA) process stipulated in Chapter 445 of the Nevada Administrative Code (NAC) as described in the ASTM International (ASTM) Method E1739-95 (NAC, 2008; ASTM, 1995). It is designed to provide a set of consistent standards for chemical and radiological corrective actions.

  7. Could Revision of the Embryology Influence Our Cesarean Delivery Technique: Towards an Optimized Cesarean Delivery for Universal Use.

    PubMed

    Stark, Michael; Mynbaev, Ospan; Vassilevski, Yuri; Rozenberg, Patrick

    2016-07-01

    Until today, there is no standardized Cesarean Section method and many variations exist. The main variations concern the type of abdominal incision, usage of abdominal packs, suturing the uterus in one or two layers, and suturing the peritoneal layers or leaving them open. One of the questions is the optimal location of opening the uterus. Recently, omission of the bladder flap was recommended. The anatomy and histology as results from the embryological knowledge might help to solve this question. The working thesis is that the higher the incision is done, the more damage to muscle tissue can take place contrary to incision in the lower segment, where fibrous tissue prevails. In this perspective, a call for participation in a two-armed prospective study is included, which could result in an optimal, evidence-based Cesarean Section for universal use.

  8. The revised 'Early Learning in Medicine' curriculum at the University of Otago--focusing on students, patients, and community.

    PubMed

    Perez, David; Rudland, Joy R; Wilson, Hamish; Roberton, Gayle; Gerrard, David; Wheatley, Antony

    2009-04-03

    This article describes recent changes to years 2 and 3 of undergraduate medical education at the University of Otago, now termed 'Early Learning in Medicine'. These changes focus on learning that is contextually relevant, student centred, horizontally and vertically integrated, and community based. Three new programmes have been introduced to the course; Integrated Cases, Clinical Skills, and Healthcare in the Community. Innovative teaching and learning activities have been implemented to prepare students for a greater level of interaction with patients, carers, health professionals, and community organisations. This curriculum also aims to increase the relevance of their theoretical learning within and across years, and foster an early appreciation of professional responsibilities. Challenges to facilitating this direction are described and framed by an evolutionary approach that builds upon the strong features of the previous course.

  9. Could Revision of the Embryology Influence Our Cesarean Delivery Technique: Towards an Optimized Cesarean Delivery for Universal Use

    PubMed Central

    Stark, Michael; Mynbaev, Ospan; Vassilevski, Yuri; Rozenberg, Patrick

    2016-01-01

    Until today, there is no standardized Cesarean Section method and many variations exist. The main variations concern the type of abdominal incision, usage of abdominal packs, suturing the uterus in one or two layers, and suturing the peritoneal layers or leaving them open. One of the questions is the optimal location of opening the uterus. Recently, omission of the bladder flap was recommended. The anatomy and histology as results from the embryological knowledge might help to solve this question. The working thesis is that the higher the incision is done, the more damage to muscle tissue can take place contrary to incision in the lower segment, where fibrous tissue prevails. In this perspective, a call for participation in a two-armed prospective study is included, which could result in an optimal, evidence-based Cesarean Section for universal use. PMID:28078171

  10. Data documentation for the bare soil experiment at the University of Arkansas, June - August 1980

    NASA Technical Reports Server (NTRS)

    Sadeghi, A. M.

    1984-01-01

    The primary objective of this study is to evaluate the relationships between soil moisture and reflectivity of a bare soil, using microwave techniques. A drainage experiment was conducted on a Captina silt loam in cooperation with personnel in the Electrical Engineering Department. Measurements included soil moisture pressures at various depths, neutron probe measurements, gravimetric moisture samples, and reflectivity of the soil surface at selected frequencies including 1.5 and 6.0 GHz and at the incident angle of 45 deg. All measurements were made in conjuction with that of reflectivity data.

  11. America Revising.

    ERIC Educational Resources Information Center

    Marty, Myron

    1982-01-01

    Reviews Frances FitzGerald's book, "America Revised," and discusses FitzGerald's critique of recent revisions in secondary-level U.S. history textbooks. The author advocates the implementation of a core curriculum for U.S. history which emphasizes political and local history. (AM)

  12. Evaluation of Soil Loss and Erosion Control Measures on Ranges and Range Structures at Installations in Temperate Climates

    DTIC Science & Technology

    2006-06-01

    slope length of 73 meters and a slope angle of 4:1 (25 percent). LS = 7.7 Step 4: Use the USLE to find A. Determine the annual soil loss from an...Soil Loss Equation ( USLE ) and the Revised Universal Soil Loss Equation (RUSLE) continue to be widely accepted methods for estimating sediment loss...if no conservation practices are adopted then the factor P remains equal to one. The slope length factor, LS was calculated using the dimen- sional

  13. Validation of a New Soil VOC Sampler: Revision of ASTM Practice D 6418, Standard Practice for Using the Disposable En Core Sampler for Sampling and Storing Soil for Volatile Organic Analysis, and Development of a Subsurface Sampling/Storage Device for VOC Analysis

    SciTech Connect

    Susan S. Sorini; John F. Schabron; Joseph F. Rovani

    2003-09-15

    Soil sampling and storage practices for volatile organic analysis must be designed to minimize loss of volatile organic compounds (VOCs) from samples. The En Core{reg_sign} sampler is designed to collect and store soil samples in a manner that minimizes loss of contaminants due to volatilization and/or biodegradation. An American Society for Testing and Materials (ASTM) standard practice, D 6418, Standard Practice for Using the Disposable En Core Sampler for Sampling and Storing Soil for Volatile Organic Analysis, describes use of the En Core sampler to collect and store a soil sample of approximately 5 grams or 25 grams for volatile organic analysis. To support the ASTM practice, a study was performed to estimate the precision of the performance of the 5-gram and 25-gram En Core samplers to store soil samples spiked with low concentrations of VOCs. This report discusses revision of ASTM Practice D 6418 to include information on the precision of the En Core devices and to reference an ASTM research report on the precision study. This report also discusses revision of the ASTM practice to list storage at -12 {+-} 2 C for up to 14 days and at 4 {+-} 2 C for up to 48 hours followed by storage at -12 {+-} 2C for up to 5 days as acceptable conditions for samples stored in the En Core devices. Data supporting use of these storage conditions are given in an appendix to the practice and are presented in the research report referenced for the precision study. Prior to this revision, storage in the device was specified at 4 {+-} 2 C for up to 48 hours. The En Core sampler is designed to collect soil samples for VOC analysis at the soil surface. To date, a sampling tool for collecting and storing subsurface soil samples for VOC analysis does not exist. Development of a subsurface VOC sampling/storage device was initiated in 1999. This device, which is called the Accu Core sampler, is designed so that a soil sample can be collected below the surface using a penetrometer and

  14. Incorporating a Soil Science Artifact into a University ePortfolio Assessment Tool

    ERIC Educational Resources Information Center

    Mikhailova, Elena; Werts, Joshua; Post, Christopher; Ring, Gail

    2014-01-01

    The ePortfolio is a useful educational tool that is utilized in many educational institutions to showcase student accomplishments and provide students with an opportunity to reflect on their educational progress. The objective of this study was to develop and test an artifact from an introductory soil science course to be included in the…

  15. Fractal features of soil properties distribution in an urban park - a case study: Bar-Ilan University campus, Ramat-Gan, Israel

    NASA Astrophysics Data System (ADS)

    Zhevelev, Helena; Sarah, Pariente

    2014-05-01

    Green open spaces in the city include campuses of various institutions. Their physical and sociological functions are similar to those of urban parks, and the present study was conducted in the campus of Bar-Ilan University. It aimed to detect the features of the distributions of several ecological properties, as affected by various land cover components and their associated microenvironments. For this purpose, three types of microenvironments, representative of the campus were chosen. They were: under the canopies of nine species of trees; lawns (disturbed and undisturbed); and paths. In each microenvironment, soil was sampled from two layers (0-2 and 5-10 cm), soil temperatures were measured at depths down to 10 cm (0, 1, 2, 4, 6, 8, 10 cm), and air temperatures were recorded at heights up to 160 cm (30, 60, 100, 160 cm). For each soil sample, soil moisture and organic matter contents were determined in December 2011 and March 2012. Before the samplings, penetration depth was measured. From December to March soil penetration depths and soil moisture contents decreased by 30-50%. In contrast, organic matter content increased from 0.5 to 1.5% in all microenvironments. In December there were no differences in soil temperatures among the microenvironments, but in March differences of 4-5 C° were found. Highest soil temperatures, at all depths, were found in the Lawn and Path microenvironments. For all the various microenvironments, at each depth, the distributions by percentiles (deciles, medians and quartiles) of all soil properties were calculated and analyzed. Highly significant linear correlations between percentiles and averages of soil properties were found for all the microenvironments and at both depths. Thus, the soil properties of the Bar-Ilan University campus exhibited a fractal structure.

  16. Revision Rhinoplasty.

    PubMed

    Loyo, Myriam; Wang, Tom D

    2016-01-01

    Revision rhinoplasty is one of the most challenging operations the facial plastic surgeon performs given the complex 3-dimensional anatomy of the nose and the psychological impact it has on patients. The intricate interplay of cartilages, bone, and soft tissue in the nose gives it its aesthetic and function. Facial harmony and attractiveness depends greatly on the nose given its central position in the face. In the following article, the authors review common motivations and anatomic findings for patients seeking revision rhinoplasty based on the senior author's 30-year experience with rhinoplasty and a review of the literature.

  17. The "GEOMODEL" at Kiel University: A Hydrogeophysical full scale model to study pore water, contamination and structure of vadose soils

    NASA Astrophysics Data System (ADS)

    Hagrey, S. A.; Rabbel, W.; Working Group Of Wateruse

    2003-04-01

    Erecting new improved GeoModel at Kiel University is based on our experiences with the pilot model for studying preferential flow processes and takes into account objectives of the EU - project "wateruse" for developing new high resolving techniques for hydro- and bio-geophysical studies. The GeoModel consists of a soil model (3x5x2m), computer room and monitoring chamber. A special irrigation device is installed above the model to simulate irrigations of different rates, intensities and contaminations (tracers). At the base a filter pebble layer divided into different segments for monitoring lateral distribution of discharge indicating for flowpaths and processes. A self developed vacuum aperture is installed to overcome effects of the hydraulic capillary barrier which is related to the abrupt jump in grain size at the soil sand-filter pebble interface. The concept of the GeoModel is to carry out controlled experiment with predefined boundary conditions (as in laboratory) on a full scale soil model (as in the field, i.e., no scale problems). The GeoModel, currently filled with silty sand is equipped with diverse fine electrode grids, radar hardware, TDR-, Tensiometer probes for measuring electrical resistivity, electromagnetic wave velocity and amplitude, water content and potential, respectively. The (infiltration) experiments aim at developing high resolution integrative spatiotemporal 3D techniques for monitoring flow processes of fluids and contaminants, mapping fine structure as preferential flow paths, root networks and trunk rings (which opens new applications in biogeophysics and geobiology), quantification of soil water content. The GeoModel serve for calibration of new instruments and techniques and is applied for special geotechnical and environmental experiments (e.g. anti-person mines, tracer experiments) as well as for technical courses for specialists. Also laboratory study of petrophysical parameters of soil material is carried out to establish

  18. Rooted in the Soil: The Social Experiences of Black Graduate Students at a Southern Research University

    ERIC Educational Resources Information Center

    Johnson-Bailey, Juanita; Valentine, Thomas; Cervero, Ronald M.; Bowles, Tuere A.

    2009-01-01

    The social experiences of Black graduate alumni, 1962 to 2003, at a major Southern Research University were examined in a comprehensive forced choice and open-ended survey. Characteristics that distinguish this study from others include the large sample of 678 participants and the longitudinal span of four decades. (Contains 3 tables and 3…

  19. Exploring the Impact on Students of Western Universities on Foreign Soil: A Case Study of Qatar

    ERIC Educational Resources Information Center

    Bakken, Richard

    2013-01-01

    The development of branch campuses in higher education is not a new phenomenon. Over the past decades, however, branch campuses have expanded throughout the world as Western universities have begun to deliver their programs and course offerings in countries that expect the West to provide educational (and, by implication, economic) success. Middle…

  20. Remote sensing as a source of land cover information utilized in the universal soil loss equation

    NASA Technical Reports Server (NTRS)

    Morris-Jones, D. R.; Morgan, K. M.; Kiefer, R. W.; Scarpace, F. L.

    1979-01-01

    In this study, methods for gathering the land use/land cover information required by the USLE were investigated with medium altitude, multi-date color and color infrared 70-mm positive transparencies using human and computer-based interpretation techniques. Successful results, which compare favorably with traditional field study methods, were obtained within the test site watershed with airphoto data sources and human airphoto interpretation techniques. Computer-based interpretation techniques were not capable of identifying soil conservation practices but were successful to varying degrees in gathering other types of desired land use/land cover information.

  1. Arthroscopic revision of Bankart repair.

    PubMed

    Neri, Brian R; Tuckman, David V; Bravman, Jonathan T; Yim, Duke; Sahajpal, Deenesh T; Rokito, Andrew S

    2007-01-01

    The success of revision surgery for failed Bankart repair is not well known. This purpose of this study was to report the success rates achieved using arthroscopic techniques to revise failed Bankart repairs. Twelve arthroscopic revision Bankart repairs were performed on patients with recurrent unidirectional shoulder instability after open or arthroscopic Bankart repair. Follow-up was available on 11 of the 12 patients at a mean of 34.4 months (range, 25-56 months). The surgical findings, possible modes of failure, shoulder scores (Rowe score, University of California Los Angeles [UCLA], Simple Shoulder Test), and clinical outcome were evaluated. Various modes of failure were recognized during revision arthroscopic Bankart repairs. Good-to-excellent results were obtained in 8 patients (73%) undergoing revision stabilization according to Rowe and UCLA scoring. A subluxation or dislocation event occurred in 3 (27%) of the 11 patients at a mean of 8.7 months (range, 6-12 months) postoperatively. Arthroscopic revision Bankart repairs are technically challenging procedures but can be used to achieve stable, pain-free, functional shoulders with return to prior sport. Owing to limited follow-up and the small number of patients in this study, we were unable to conclude any pattern of failure or selection criteria for this procedure.

  2. ACL Revision

    PubMed Central

    Costa-Paz, Matias; Dubois, Julieta Puig; Zicaro, Juan Pablo; Rasumoff, Alejandro; Yacuzzi, Carlos

    2017-01-01

    Objectives: The purpose of this study was to evaluate a series of patients one year after an ACL revision with clinical evaluation and MRI, to consider their condition before returning to sports activities. Methods: A descriptive, prospective and longitudinal study was performed. A series of patients who underwent an ACL revision between March 2014 and March 2015 were evaluated after one year post surgery. They were evaluated using the Lysholm score, IKDC, Tegner, artrometry and MRI (3.0 t). A signal pattern and osteointegration was determined in the MRI. Graft signal intensity of the ACL graft using the signal/noise quotient value (SNQ) was also determined to evaluate the ligamentatization process state. Results: A total of 18 male patients were evaluated with a mean age of 31 years old.Average scores were: Lysholm 88 points, IKDC 80 points, Pre-surgical Tegner 9 points and postoperative 4 points. Artrhometry (KT1000) at 20 newtons showed a side to side difference of less than 3 mm in 88%. Only 44% of patients returned to their previous sport activity one year after revision.The MRI showed a heterogeneous signal in neoligaments in 34% of patients. SNQ showed graft integration in only 28%. Synovial fluid was found in bone-graft interphase in 44% of tunnels, inferring partial osteointegration. The heterogeneous signal was present in 50% of patients who did not return to the previous sport level activity. (Fisher statistics: p = 0.043) There were no meaningful differences in patients with auto or allografts. Conclusion: Although the clinical evaluation was satisfactory, only 44% of patients returned to the previous level of sport activity one year after the ACL surgery. The ligamentatization process was found in 28% of knees evaluated with MRI one year later. Partial osteointegration is inferred in 44%. Results showed a meaningful relation between the signal of neoligaments in the MRI and the return to sport activity in said series of patients. MRI is a useful tool

  3. Scar revision

    PubMed Central

    Sharma, Mohit; Wakure, Abhijeet

    2013-01-01

    Most surgical patients end up with a scar and most of these would want at least some improvement in the appearance of the scar. Using sound techniques for wound closure surgeons can, to a certain extent, prevent suboptimal scars. This article reviews the principles of prevention and treatment of suboptimal scars. Surgical techniques of scar revision, i.e., Z plasty, W plasty, and geometrical broken line closure are described. Post-operative care and other adjuvant therapies of scars are described. A short description of dermabrasion and lasers for management of scars is given. It is hoped that this review helps the surgeon to formulate a comprehensive plan for management of scars of these patients. PMID:24516292

  4. The Brief Classroom Interaction Observation-Revised: An Observation System to Inform and Increase Teacher Use of Universal Classroom Management Practices

    ERIC Educational Resources Information Center

    Reinke, Wendy M.; Stormont, Melissa; Herman, Keith C.; Wachsmuth, Sean; Newcomer, Lori

    2015-01-01

    Schools are increasingly using multi-tiered prevention models to address the academic and behavior needs of students. The foundation of these models is the implementation of universal, or Tier 1, practices designed to support the academic and behavioral needs of the vast majority of students. To support teachers in the use of effective Tier 1…

  5. Owning the Journey: Using Collaborative Revisions of Little Red Riding Hood in Teaching Introduction to Literature at a Historically Black University

    ERIC Educational Resources Information Center

    Scott, Pauline

    2012-01-01

    Design and implementation of a collaborative course project, using Little Red Riding Hood (LRRH) to teach and discuss the concepts of orality, cultural legacy, archetypes, adaptation/appropriation, and social criticism in an Introduction to Literature course at Historically Black Alabama State University in Montgomery, Alabama. The student groups…

  6. A Survey of Industrial Arts Teacher Education and Technical/Technology Graduates of Murray State University with Implications for Curriculum Revision.

    ERIC Educational Resources Information Center

    Winters, Kenneth Wayne

    Responses from 195 (89.4 percent) of 218 graduates during 1965-69 provided information which related to the present status and effectiveness of the industrial arts teacher education and the industrial technical/technology programs at Murray State University. Conclusions were: (1) 90 percent of the teacher education graduates and 60 percent of the…

  7. Academic Freedom, Tenure, and Responsibility for Faculty Members in Texas Public Community and Senior Colleges and Universities. Policy Paper 1. Revised Edition.

    ERIC Educational Resources Information Center

    Texas Coll. and Univ. System, Austin. Coordinating Board.

    Modifications are presented to a 1967 document that contained recommendations concerning academic freedom, academic responsibility, and tenure for faculty members in Texas public community and senior colleges and universities. The recommended standards constitute patterns or guidelines and are not binding on any institution and may be varied in…

  8. Re-Visioning Disability and Dyslexia down the Camera Lens: Interpretations of Representations on UK University Websites and in a UK Government Guidance Paper

    ERIC Educational Resources Information Center

    Collinson, Craig; Dunne, Linda; Woolhouse, Clare

    2012-01-01

    The focus of this article is to consider visual portrayals and representations of disability. The images selected for analysis came from online university prospectuses as well as a governmental guidance framework on the tuition of dyslexic students. Greater understanding, human rights and cultural change have been characteristic of much UK…

  9. Revision, Validation, and Evaluation of the Undergraduate Teacher Field Work Experience in Reading at California Polytechnic State University, San Luis Obispo.

    ERIC Educational Resources Information Center

    Ceaser, Lisbeth

    Education majors at California Polytechnic State University in San Luis Obispo are primarily English speaking only and need guidance in strategies for adapting instruction for a variety of levels of second language acquisition students. This project addressed the problem of a lack of sufficient preparation of undergraduate students to participate…

  10. Developing Conceptual Framework for Revising Self-Learning Materials (SLMs) of the Open School (OS) of Bangladesh Open University (BOU) at a Digital Environment

    ERIC Educational Resources Information Center

    Yeasmin, Sabina; Murthy, C. R. K.

    2011-01-01

    Bangladesh Open University (BOU) runs school programs as part of its academic activities through open schooling since its inception. As of today, the Open School uses the first generation self-learning materials (SLMs) written, before an era, following an in-house style and template. The concerned faculty member corrects, every year, texts before…

  11. Developing Conceptual Framework for Revising Self-Learning Materials (SLMs) of the Open School (OS) of Bangladesh Open University (BOU) at a Digital Environment

    ERIC Educational Resources Information Center

    Yeasmin, Sabina; Murthy, C. R. K.

    2012-01-01

    Bangladesh Open University (BOU) runs school programs as part of its academic activities through open schooling since its inception. As of today, the Open School uses the first generation self-learning materials (SLMs) written, before an era, following an in-house style and template. The concerned faculty member corrects, every year, texts before…

  12. Soil aggregation, erodibility and erosion rates in mountain soils (NW-Alps, Italy)

    NASA Astrophysics Data System (ADS)

    Stanchi, S.; Falsone, G.; Bonifacio, E.

    2015-01-01

    Erosion is a relevant soil degradation factor in mountain agrosilvopastoral ecosystems, and can be enhanced by the abandonment of agricultural land and pastures, then left to natural evolution. The on-site and off-site consequences of soil erosion at the catchment and landscape scale are particularly relevant and may affect settlements at the interface with mountain ecosystems. RUSLE (Revised Universal Soil Loss Equation) estimates of soil erosion consider, among others, the soil erodibility factor (K), which depends on properties involved in structure and aggregation. A relationship between soil erodibility and aggregation is therefore expected. Erosion is however expected to limit the development of soil structure, hence aggregates should not only be related to erodibility but also mirror soil erosion rates. We investigated the relationships between aggregate stability and the RUSLE erodibility and erosion rate in a mountain watershed at the interface with settlements, characterized by two different land use types (pasture and forest). Soil erodibility was in agreement with the aggregate stability parameters, i.e. the most erodible soils in terms of K values also displayed weaker aggregation. However, estimating K from aggregate loss showed that forest soils always had negative residuals, while the opposite happened for pastures. A good relationship between RUSLE soil erosion rates and aggregate stability occurred in pastures, while no relationship was visible in forests. Several hypotheses for this behavior were discussed. A relevant effect of the physical protection of the organic matter by the aggregates that cannot be considered in K computation was finally hypothesized in the case of pastures, while in forests soil erodibility seemed to keep trace of past erosion and depletion of finer particles. In addition, in forests, the erosion rate estimate was particularly problematic likely because of a high spatial variability of litter properties. Considering the

  13. Revision Planned for the Cambridge Latin Course.

    ERIC Educational Resources Information Center

    Sebesta, Judith Lynn

    1980-01-01

    Summarizes a discussion on the revision of the Cambridge Latin Course (CLC) held during the 1980 ACL Institute at the University of New Hampshire by CLC users and Cambridge University Press representatives. Emphasizes suggestions by users on grammar instruction strategies better suited to American students' needs. (MES)

  14. Abundance, Distribution and Cycling of Organic Carbon and Nitrogen in University Valley (McMurdo Dry Valleys of Antarctica) Permafrost Soils with Differing Ground Thermal and Moisture Conditions: Analogue to C-N Cycle on Mars

    NASA Astrophysics Data System (ADS)

    Faucher, B. F.; Lacelle, D. L.; Davila, A. D.; Pollard, W. P.; McKay, C. P. M.

    2016-05-01

    High elevation McMurdo Dry Valleys of Antarctica are key Mars analogue sites. Our investigation focuses on the link between ground ice origin, distribution and cycling of organic carbon and nitrogen in University Valley, and its soil habitability.

  15. Statistical methods for evaluating the attainment of cleanup standards. Volume 3, Reference-based standards for soils and solid media, Revision 1

    SciTech Connect

    Gilbert, R.O.; Simpson, J.C.

    1992-12-01

    This document is the third volume in a series of volumes sponsored by the US Environmental Protection Agency (EPA), Statistical Policy Branch, that provide statistical methods for evaluating the attainment of cleanup Standards at Superfund sites. Volume 1 (USEPA 1989a) provides sampling designs and tests for evaluating attainment of risk-based standards for soils and solid media. Volume 2 (USEPA 1992) provides designs and tests for evaluating attainment of risk-based standards for groundwater. The purpose of this third volume is to provide statistical procedures for designing sampling programs and conducting statistical tests to determine whether pollution parameters in remediated soils and solid media at Superfund sites attain site-specific reference-based standards. This.document is written for individuals who may not have extensive training or experience with statistical methods. The intended audience includes EPA regional remedial project managers, Superfund-site potentially responsible parties, state environmental protection agencies, and contractors for these groups.

  16. Soil erosion assessment and control in Northeast Wollega, Ethiopia

    NASA Astrophysics Data System (ADS)

    Adugna, A.; Abegaz, A.; Cerdà, A.

    2015-12-01

    Soil erosion is the main driver of land degradation in Ethiopia, and in the whole region of East Africa. This study was conducted at the Northeast Wollega in West Ethiopia to estimate the soil losses by means of the Revised Universal Soil Loss Equation (RUSLE). The purpose of this paper is to identify erosion spot areas and target locations for appropriate development of soil and water conservation measures. Fieldwork and household survey were conducted to identify major determinants of soil erosion control. Six principal factors were used to calculate soil loss per year, such as rainfallerosivity, soil erodiblity, slope length, slope steepness, crop management and erosion-control practices. The soil losses have shown spatio-temporal variations that range from 4.5 Mg ha-1 yr-1 in forest to 65.9 Mg ha-1 yr-1 in cropland. Results from the analysis of stepwise multiple linear regression show that sustainable soil erosion control are determined byknowledge of farmers about soil conservation, land tenure security and off-farm income at community level. Thus, policy aim at keeping land productivity will need to focus on terracing, inter-cropping and improved agro-forestry practices.

  17. Soil erodibility in Europe: a high-resolution dataset based on LUCAS.

    PubMed

    Panagos, Panos; Meusburger, Katrin; Ballabio, Cristiano; Borrelli, Pasqualle; Alewell, Christine

    2014-05-01

    The greatest obstacle to soil erosion modelling at larger spatial scales is the lack of data on soil characteristics. One key parameter for modelling soil erosion is the soil erodibility, expressed as the K-factor in the widely used soil erosion model, the Universal Soil Loss Equation (USLE) and its revised version (RUSLE). The K-factor, which expresses the susceptibility of a soil to erode, is related to soil properties such as organic matter content, soil texture, soil structure and permeability. With the Land Use/Cover Area frame Survey (LUCAS) soil survey in 2009 a pan-European soil dataset is available for the first time, consisting of around 20,000 points across 25 Member States of the European Union. The aim of this study is the generation of a harmonised high-resolution soil erodibility map (with a grid cell size of 500 m) for the 25 EU Member States. Soil erodibility was calculated for the LUCAS survey points using the nomograph of Wischmeier and Smith (1978). A Cubist regression model was applied to correlate spatial data such as latitude, longitude, remotely sensed and terrain features in order to develop a high-resolution soil erodibility map. The mean K-factor for Europe was estimated at 0.032 thahha(-1)MJ(-1)mm(-1) with a standard deviation of 0.009 thahha(-1)MJ(-1)mm(-1). The yielded soil erodibility dataset compared well with the published local and regional soil erodibility data. However, the incorporation of the protective effect of surface stone cover, which is usually not considered for the soil erodibility calculations, resulted in an average 15% decrease of the K-factor. The exclusion of this effect in K-factor calculations is likely to result in an overestimation of soil erosion, particularly for the Mediterranean countries, where highest percentages of surface stone cover were observed.

  18. Modelling large-scale spatial variability of soil properties with sequential stochastic simulation conditioned by universal kriging in a Hungarian study site

    NASA Astrophysics Data System (ADS)

    Szatmári, Gábor; Barta, Károly; Pásztor, László

    2015-04-01

    Modelling of large-scale spatial variability of soil properties is a promising subject in soil science, as well as in general environmental research, since the resulted model(s) can be applied to solve various problems. In addition to "purely" map an environmental element, the spatial uncertainty of the map product can deduced, specific areas could be identified and/or delineated (contaminated or endangered regions, plots for fertilization, etc.). Geostatistics, which can be regarded as a subset of statistics specialized in analysis and interpretation of geographically referenced data, offer a huge amount of tools to solve these tasks. Numerous spatial modeling methods have been developed in the past decades based on the regionalized variable theory. One of these techniques is sequential stochastic simulation, which can be conditioned with universal kriging (also referred to as regression kriging). As opposed to universal kriging (UK), sequential simulation conditioned with universal kriging (SSUK) provides not just one but several alternative and equally probable "maps", i.e. realizations. The realizations reproduce the global statistics (e.g. sample histogram, variogram), i.e. they reflect/model the reality in a certain global (and not local!) sense. In this paper we present and test SSUK developed in R-code and its utilizations in a water erosion affected study area. Furthermore, we compare the results from UK and SSUK. For this purpose, two soil variables were selected: soil organic matter (SOM) content and rooting depth (RD). SSUK approach is illustrated with a legacy soil dataset from a study area endangered by water erosion in Central Hungary. Legacy soil data was collected in the end of the 1980s in the framework of the National Land Evaluation Programme. Spatially exhaustive covariates were derived from a digital elevation model and from the land-use-map of the study area. SSUK was built upon a UK prediction system for both variables and 200 realizations

  19. Revisiting classic water erosion models in drylands: The strong impact of biological soil crusts

    USGS Publications Warehouse

    Bowker, M.A.; Belnap, J.; Bala, Chaudhary V.; Johnson, N.C.

    2008-01-01

    Soil erosion and subsequent degradation has been a contributor to societal collapse in the past and is one of the major expressions of desertification in arid regions. The revised universal soil loss equation (RUSLE) models soil lost to water erosion as a function of climate erosivity (the degree to which rainfall can result in erosion), topography, soil erodibility, and land use/management. The soil erodibility factor (K) is primarily based upon inherent soil properties (those which change slowly or not at all) such as soil texture and organic matter content, while the cover/management factor (C) is based on several parameters including biological soil crust (BSC) cover. We examined the effect of two more precise indicators of BSC development, chlorophyll a and exopolysaccharides (EPS), upon soil stability, which is closely inversely related to soil loss in an erosion event. To examine the relative influence of these elements of the C factor to the K factor, we conducted our investigation across eight strongly differing soils in the 0.8 million ha Grand Staircase-Escalante National Monument. We found that within every soil group, chlorophyll a was a moderate to excellent predictor of soil stability (R2 = 0.21-0.75), and consistently better than EPS. Using a simple structural equation model, we explained over half of the variance in soil stability and determined that the direct effect of chlorophyll a was 3?? more important than soil group in determining soil stability. Our results suggest that, holding the intensity of erosive forces constant, the acceleration or reduction of soil erosion in arid landscapes will primarily be an outcome of management practices. This is because the factor which is most influential to soil erosion, BSC development, is also among the most manageable, implying that water erosion in drylands has a solution. ?? 2008 Elsevier Ltd.

  20. Corrective Action Investigation Plan for Corrective Action Unit 567: Miscellaneous Soil Sites, Nevada National Security Site, Nevada, with ROTC 1 Revision 0

    SciTech Connect

    Matthews, Patrick K.

    2013-07-01

    Corrective Action Unit (CAU) 567 is located in Areas 1, 3, 5, 20, and 25 of the Nevada National Security Site, which is approximately 65 miles northwest of Las Vegas, Nevada. CAU 567 is a grouping of sites where there has been a suspected release of contamination associated with nuclear testing. This document describes the planned investigation of CAU 567, which comprises the following corrective action sites (CASs): • 01-23-03, Atmospheric Test Site T-1 • 03-23-25, Seaweed E Contamination Area • 05-23-07, A5b RMA • 20-23-08, Colby Mud Spill • 25-23-23, J-11 Soil RMA These sites are being investigated because existing information on the nature and extent of potential contamination is insufficient to evaluate and recommend corrective action alternatives (CAAs). Additional information will be obtained by conducting a corrective action investigation before evaluating CAAs and selecting the appropriate corrective action for each CAS. The results of the field investigation will support a defensible evaluation of viable CAAs that will be presented in the investigation report. The sites will be investigated based on the data quality objectives (DQOs) developed on May 6, 2013, by representatives of the Nevada Division of Environmental Protection and the U.S. Department of Energy (DOE), National Nuclear Security Administration Nevada Field Office. The DQO process was used to identify and define the type, amount, and quality of data needed to develop and evaluate appropriate corrective actions for CAU 567. The site investigation process will also be conducted in accordance with the Soils Activity Quality Assurance Plan, which establishes requirements, technical planning, and general quality practices to be applied to this activity. The potential contamination sources associated with CAU 567 releases are nuclear test operations and other NNSS operations. The DQO process resulted in an assumption that total effective dose (TED) within a default contamination boundary

  1. Yungay Atacama, Chile, and University Valley, Antarctica, as Mars analogs, based on aridity as indicated by soil salt profiles and other characteristics

    NASA Astrophysics Data System (ADS)

    Kounaves, S. P.; Douglas, S.

    2010-12-01

    The Atacama desert in Chile and the McMurdo Dry Valleys (MDV) in Antarctica are considered to be two of the most arid deserts on Earth and thus are often used as Mars analogs for a variety of studies and instrument testing. Two regions within each of these, the Yunguy (Atacama) and University Valley (MDV) have especially been the focus of recent analog investigations. Both regions are comprised of soils that have accumulated an influx of atmospheric and marine salts. Some of these salts are influenced by the local biogeochemical environment and often display lower solubility. Two anions however, nitrate and perchlorate, are highly soluble species that represent proxies for the movement of water through the soil column either in bulk or thin films. An examination of these salt profiles in the upper and lower MDVs, and Yunguy, in the first case a relatively continuous and smooth distribution, while in the latter cases more chaotic and heterogeneous, suggests that University Valley has been subjected to little if any aqueous activity compared to Yungay or lower elevation MDVs. Even though Atacama possess some desirable Mars analog properties, the salt-profile-based aridity, the presence of dry permafrost, diffusion-controlled ice-table, cryoturbation, and comparatively pristine environment, endows the high elevation MDVs with unique and most Mars-like properties of any terrestrial analog site available.

  2. Is Peer Review Training Effective in Iranian EFL Students' Revision?

    ERIC Educational Resources Information Center

    Esmaeeli, Hadiseh; Abasi, Maasumeh; Soori, Afshin

    2014-01-01

    This study aims to investigate the effect of peer review training on the Iranian EFL students' subsequent revision in an advanced writing class in Larestan Islamic Azad University. After 12 weeks class demonstration, teacher-reviewer conferences with 20 male and female students, the students' first drafts, revisions, and reviewers' comments were…

  3. Evaluation and Revision of an Introduction to Experiential Rotations Course

    ERIC Educational Resources Information Center

    Dy, Eliza A.; Nisly, Sarah A.

    2014-01-01

    The objectives of this study were to evaluate the perceived student value of topics taught in Butler University's Introduction to Experiential Rotations (RX500) course, implement course revisions to address any perceived weaknesses, and to reassess the course following implementation of those course revisions. Advanced Pharmacy Practice Experience…

  4. Soil aggregation, erodibility, and erosion rates in mountain soils (NW Alps, Italy)

    NASA Astrophysics Data System (ADS)

    Stanchi, S.; Falsone, G.; Bonifacio, E.

    2015-04-01

    Erosion is a relevant soil degradation factor in mountain agrosilvopastoral ecosystems that can be enhanced by the abandonment of agricultural land and pastures left to natural evolution. The on-site and off-site consequences of soil erosion at the catchment and landscape scale are particularly relevant and may affect settlements at the interface with mountain ecosystems. RUSLE (Revised Universal Soil Loss Equation) estimates of soil erosion consider, among others, the soil erodibility factor (K), which depends on properties involved in structure and aggregation. A relationship between soil erodibility and aggregation should therefore be expected. However, erosion may limit the development of soil structure; hence aggregates should not only be related to erodibility but also partially mirror soil erosion rates. The aim of the research was to evaluate the agreement between aggregate stability and erosion-related variables and to discuss the possible reasons for discrepancies in the two kinds of land use considered (forest and pasture). Topsoil horizons were sampled in a mountain catchment under two vegetation covers (pasture vs. forest) and analyzed for total organic carbon, total extractable carbon, pH, and texture. Soil erodibility was computed, RUSLE erosion rate was estimated, and aggregate stability was determined by wet sieving. Aggregation and RUSLE-related parameters for the two vegetation covers were investigated through statistical tests such as ANOVA, correlation, and regression. Soil erodibility was in agreement with the aggregate stability parameters; i.e., the most erodible soils in terms of K values also displayed weaker aggregation. Despite this general observation, when estimating K from aggregate losses the ANOVA conducted on the regression residuals showed land-use-dependent trends (negative average residuals for forest soils, positive for pastures). Therefore, soil aggregation seemed to mirror the actual topsoil conditions better than soil

  5. Prediction of Soil Erosion from Uplands under Climate Change Scenarios in Korea

    NASA Astrophysics Data System (ADS)

    Kim, Min-Kyeong; Ko, Byong-Gu; Hur, Seung-Oh; Kim, Min-Young; Lee, Deog-Bae

    2010-05-01

    Major impacts of climate change expect that soil erosion rate may increase during the 21st century. This study was conducted to assess the potential impacts of climate change on soil erosion by water in Korea. The soil loss was estimated for regions with the potential risk of soil erosion on a national scale. For computation, Universal soil loss equation (USLE) with rainfall and runoff erosivity factors (R), cover management factors (C), support practice factors (P) and revised USLE with soil erodibility factors (K) and topographic factors (LS) were used. RUSLE, the revised version of USLE, was modified for Korean conditions and re-evaluated to estimate the national-scale of soil loss based on the digital soil maps for Korea. The changes of precipitation for 2010 to 2090s were predicted under A1B scenarios made by National Institute of Meteorological Research in Korea. Future soil loss was predicted based on a change of R factor. As results, the predicted precipitations were increased by 6.7% for 2010 to 2030, 9.5% for 2040 to 2060s and 190% for 2070 to 2090s, respectively. The total soil loss from uplands in 2005 was estimated approximately 28ⅹ106 ton. Total soil losses were estimated as 31ⅹ106 ton in 2010 to 2030s, 31ⅹ106 ton in 2040 to 2060s and 33ⅹ106 ton in 2070 to 2090s, respectively. As precipitation increased by 17% in the end of 21st century, the total soil loss was increased by 12.9%. Overall, these results emphasize the significance of precipitation. However, it should be noted that when precipitation becomes insignificant, the results may turn out to be complex due to the large interaction among plant biomass, runoff and erosion. This may cause increase or decrease the overall erosion.

  6. Land degradation assessment by geo-spatially modeling different soil erodibility equations in a semi-arid catchment.

    PubMed

    Saygın, Selen Deviren; Basaran, Mustafa; Ozcan, Ali Ugur; Dolarslan, Melda; Timur, Ozgur Burhan; Yilman, F Ebru; Erpul, Gunay

    2011-09-01

    Land degradation by soil erosion is one of the most serious problems and environmental issues in many ecosystems of arid and semi-arid regions. Especially, the disturbed areas have greater soil detachability and transportability capacity. Evaluation of land degradation in terms of soil erodibility, by using geostatistical modeling, is vital to protect and reclaim susceptible areas. Soil erodibility, described as the ability of soils to resist erosion, can be measured either directly under natural or simulated rainfall conditions, or indirectly estimated by empirical regression models. This study compares three empirical equations used to determine the soil erodibility factor of revised universal soil loss equation prediction technology based on their geospatial performances in the semi-arid catchment of the Saraykoy II Irrigation Dam located in Cankiri, Turkey. A total of 311 geo-referenced soil samples were collected with irregular intervals from the top soil layer (0-10 cm). Geostatistical analysis was performed with the point values of each equation to determine its spatial pattern. Results showed that equations that used soil organic matter in combination with the soil particle size better agreed with the variations in land use and topography of the catchment than the one using only the particle size distribution. It is recommended that the equations which dynamically integrate soil intrinsic properties with land use, topography, and its influences on the local microclimates, could be successfully used to geospatially determine sites highly susceptible to water erosion, and therefore, to select the agricultural and bio-engineering control measures needed.

  7. Measurement problem in Program Universe. Revision

    SciTech Connect

    Noyes, H.P.; Gefwert, C.; Manthey, M.J.

    1985-07-01

    The ''measurement problem'' of contemporary physics is in our view an artifact of its philosophical and mathematical underpinnings. We describe a new philosophical view of theory formation, rooted in Wittgenstein, and Bishop's and Martin-Loef's constructivity, which obviates such discussions. We present an unfinished, but very encouraging, theory which is compatible with this philosophical framework. The theory is based on the concepts of counting and combinatorics in the framework provided by the combinatorial hierarchy, a unique hierarchy of bit strings which interact by an operation called discrimination. Measurement criteria incorporate c, h-bar and m/sub p/ or (not ''and'') G. The resulting theory is discrete throughout, contains no infinities, and, as far as we have developed it, is in agreement with quantum mechanical and cosmological fact. 15 refs.

  8. University Physics, Study Guide, Revised Edition

    NASA Astrophysics Data System (ADS)

    Benson, Harris

    1996-01-01

    Partial table of contents: Vectors. One-Dimensional Kinematics. Particle Dynamics II. Work and Energy. Linear Momentum. Systems of Particles. Angular Momentum and Statics. Gravitation. Solids and Fluids. Oscillations. Mechanical Waves. Sound. First Law of Thermodynamics. Kinetic Theory. Entropy and the Second Law of Thermodynamics. Electrostatics. The Electric Field. Gauss's Law. Electric Potential. Current and Resistance. The Magnetic Field. Sources of the Magnetic Field. Electromagnetic Induction. Light: Reflection and Refraction. Lenses and Optical Instruments. Wave Optics I. Special Relativity. Early Quantum Theory. Nuclear Physics. Appendices. Answers to Odd-Numbered Exercises and Problems. Index.

  9. Measurement problem in Program Universe. Revision

    NASA Astrophysics Data System (ADS)

    Noyes, H. P.; Gefwert, C.; Manthey, M. J.

    1985-07-01

    The measurement problem of contemporary physics is in our view an artifact of its philosophical and mathematical underpinnings. We describe a new philosophical view of theory formation, rooted in Wittgenstein, and Bishop's and Martin-Loef's constructivity, which obviates such discussions. We present an unfinished, but very encouraging, theory which is compatible with this philosophical framework. The theory is based on the concepts of counting and combinatorics in the framework provided by the combinatorial hierarchy, a unique hierarchy of bit strings which interact by an operation called discrimination. Measurement criteria incorporate c, h-bar and m/sub p/ or (not and) G. The resulting theory is discrete throughout, contains no infinities, and, as far as we have developed it, is in agreement with quantum mechanical and cosmological fact.

  10. Protecting off-site populations and site workers from vapor discharges during shallow soil mixing at the North Carolina State University National Priorities List Site.

    PubMed

    Schaad, David E; Halley, James M; Alaimo, Vince

    2007-09-01

    Although vapor monitoring is generally a component of remedial action activities, most sites do not have routine gaseous releases or vapor clouds erupting from the soil during implementation of the cleanup process (or during cleanup of the site). At the North Carolina State University Lot 86 National Priorities List Site, over 8410 m3 (11,000 yd3) of chemical waste was disposed at the Site, including organic solvents and shock-sensitive and air- and water-reactive compounds. During the Remedial Action, it was imperative to protect site workers and off-site populations from potential inhalation exposures. Engineering controls were incorporated into the shallow soil mixing process to limit the release of gaseous compounds. To quantify potential exposures to on-site and off-site receptors, modeling was conducted to evaluate potential exposure routes and migration pathways. To demonstrate acceptable levels of airborne constituents, a multifaceted air sampling and monitoring program was implemented. To ensure that potential exposures could be quantified, passive dosimeters, continuous real-time monitoring, time-weighted whole air sampling, and grab samples of vapor clouds were all critical components of the air monitoring program. After the successful completion of the Remedial Action, the pre-Resource Conservation and Recovery Act (RCRA) chemical waste generated from the University's educational and research laboratories was entirely encapsulated and neither on-site workers nor off-site populations were exposed to analyzed compounds above any health-based action level (i.e., 15-min short-term exposure limit [STEL], 8-hr threshold limit value, or time-weighted average permissible exposure limit).

  11. [Dynamics of soil erosion at upper reaches of Minjiang River based on GIS].

    PubMed

    He, Xingyuan; Hu, Zhibi; Li, Yuehui; Hu, Yuanman

    2005-12-01

    Based on TM and ETM imagines, and employing GIS technique and empirical Revised Universal Soil Loss Equation (RUSLE) model, this paper studied the dynamics of soil erosion at the upper reaches of Minjiang River during three typical periods, with the main affecting factors analyzed. The results showed that the soil erosion area was increased by 1.28%, 1.84 % and 1.70% in 1986, 1995 and 2000, respectively. The average erosion modulus was increased from 832.64 t x km(-2) x yr(-1) in 1986 to 1048.74 t x km(-2) yr(-2) in 1995 and reached 1362.11 t x km(-2) yr(-1) in 2000, and soil loss was mainly of slight and light erosion, companying with a small quantity of middling erosion. The area of soil erosion was small, and the degree was light. There was a significant correlation between slope and soil loss, which mainly happened in the regions with a slope larger than 25 degrees, and accounted for 93.65%, 93.81% and 92.71% of the total erosion in 1986, 1995 and 2000, respectively. As for the altitude, middling, semi-high and high mountains and dry valley were liable to soil erosion, which accounted for 98.21%, 97.63% and 99.27% of the total erosion in 1986, 1995 and 2000, respectively. Different vegetation had a significant effect on soil erosion, and shrub and newly restored forest were the main erosion area. Excessive depasture not only resulted in the degradation of pasture, but also led to slight soil erosion. Land use type and soil type also contributed to soil loss, among which, dry-cinnamon soil and calcic gray-cinnamon soil were the most dangerous ones needing more protection. Soil loss was also linearly increased with increasing population and households, which suggested that the increase of population and households was the driving factor for soil loss increase in this area.

  12. Estimation of Annual Average Soil Loss, Based on Rusle Model in Kallar Watershed, Bhavani Basin, Tamil Nadu, India

    NASA Astrophysics Data System (ADS)

    Rahaman, S. Abdul; Aruchamy, S.; Jegankumar, R.; Ajeez, S. Abdul

    2015-10-01

    Soil erosion is a widespread environmental challenge faced in Kallar watershed nowadays. Erosion is defined as the movement of soil by water and wind, and it occurs in Kallar watershed under a wide range of land uses. Erosion by water can be dramatic during storm events, resulting in wash-outs and gullies. It can also be insidious, occurring as sheet and rill erosion during heavy rains. Most of the soil lost by water erosion is by the processes of sheet and rill erosion. Land degradation and subsequent soil erosion and sedimentation play a significant role in impairing water resources within sub watersheds, watersheds and basins. Using conventional methods to assess soil erosion risk is expensive and time consuming. A comprehensive methodology that integrates Remote sensing and Geographic Information Systems (GIS), coupled with the use of an empirical model (Revised Universal Soil Loss Equation- RUSLE) to assess risk, can identify and assess soil erosion potential and estimate the value of soil loss. GIS data layers including, rainfall erosivity (R), soil erodability (K), slope length and steepness (LS), cover management (C) and conservation practice (P) factors were computed to determine their effects on average annual soil loss in the study area. The final map of annual soil erosion shows a maximum soil loss of 398.58 t/ h-1/ y-1. Based on the result soil erosion was classified in to soil erosion severity map with five classes, very low, low, moderate, high and critical respectively. Further RUSLE factors has been broken into two categories, soil erosion susceptibility (A=RKLS), and soil erosion hazard (A=RKLSCP) have been computed. It is understood that functions of C and P are factors that can be controlled and thus can greatly reduce soil loss through management and conservational measures.

  13. Writing as Revision.

    ERIC Educational Resources Information Center

    Della-Piana, Gabriel M.; Endo, George T.

    This proposal for a longitudinal experimental study with a treatment intervention focuses on the process of writing as revision. Revision refers to the process which occurs prior to and throughout the writing of a work, rather than the final editing. According to this process, the writer goes through five stages: preconceptions concerning style…

  14. Collaboration or Cooperation? Analyzing Group Dynamics and Revision Processes in Wikis

    ERIC Educational Resources Information Center

    Arnold, Nike; Ducate, Lara; Kost, Claudia

    2012-01-01

    This study examines the online writing and revision behaviors of university language learners. In small groups, 53 intermediate German students from three classes at three different universities created wiki pages with background information about a novel read in class. All meaning- and language-related revisions were analyzed to determine whether…

  15. An approach to compute the C factor for universal soil loss equation using EOS-MODIS vegetation index (VI)

    NASA Astrophysics Data System (ADS)

    Li, Hui; He, Huizhong; Chen, Xiaoling; Zhang, Lihua

    2008-12-01

    C factor, known as cover and management factor in USLE, is one of the most important factors since it represents the combined effects of plant, soil cover and management on erosion, whereas it also most easily changed variables by men for it itself is time-variant and the uncertainty nature. So it's vital to compute C factor properly in order to model erosion effectively. In this paper we attempt to present a new method for calculating C value using Vegetation Index (VI) derived from multi-temporal MODIS imagery, which can estimate C factor in a more scientific way. Based on the theory that C factor is strongly correlated with VI, the average annual C value is estimated by adding the VI value of three growth phases within a year with different weights. Modified Fournier Index (MFI) is employed to determine the weight of each growth phase for the vegetation growth and agricultural activities are significantly influenced by precipitation. The C values generated by the proposed method were compared with that of other method, and the results showed that the results of our method is highly correlated with the others. This study is helpful to extract C value from satellite data in a scientific and efficient way, which in turn could be used to facilitate the prediction of erosion.

  16. Cementless acetabular revision arthroplasty

    PubMed Central

    Jain, Rina; Schemitsch, Emil H.; Waddell, James P.

    2000-01-01

    Objective To evaluate the effects of clinical factors on outcome after acetabular revision with a cementless beaded cup. Design Retrospective case series. Setting Tertiary care referral centre. Patients Forty-one patients who underwent acetabular revision with a cementless cup were followed up for a mean of 3.4 years. Interventions Acetabular revision with a beaded cementless cup in all patients. A morcellized allograft was used in 10 patients. Outcome measures A modified Harris hip score (range of motion measurement omitted), the SF-36 health survey, and the Western Ontario McMaster (WOMAC) osteoarthritis index. Multivariate analysis was used to evaluate the effects of age, gender, morcellized allografting, time to revision from the previous operation, acetabular screw fixation and concurrent femoral revision on outcome. Results Gender accounted for a significant portion of the variation seen in the SF-36 physical component scores (r = 0.36, p = 0.02), with women tending to have worse results. Increasing age was associated with lower WOMAC index function scores (r = 0.36, p = 0.03), whereas concurrent femoral revision tended to have a positive effect on WOMAC index function (r = 0.39, p = 0.01). None of the potential clinical predictors had any significant effect on the SF-36 mental component scores, or WOMAC index pain and stiffness scores. Conclusions In cementless acetabular revision arthroplasty, physical function, as measured by generic and limb-specific scales, may be affected by gender, age and the presence of a concurrent femoral revision. Time to revision from the previous operation, morcellized allografting and screw fixation of the acetabulum did not affect outcomes. This information may provide some prognostic value for patients’ expectations. PMID:10948687

  17. Revised Total Coliform Rule

    EPA Pesticide Factsheets

    The Revised Total Coliform Rule (RTCR) aims to increase public health protection through the reduction of potential pathways for fecal contamination in the distribution system of a public water system (PWS).

  18. Revised Hazard Ranking System: An improved tool for screening Superfund sites. Fact sheet

    SciTech Connect

    Not Available

    1990-11-01

    The Fact Sheet discusses the revised HRS which retains the same cutoff score and basic approach as the original HRS, while incorporating SARA requirements as well as improvements identified as necessary by EPA and the public. The revised HRS retains the ground water, surface water, and air pathways, drops the direct contact and fire/explosion pathways, and adds a fourth pathway, soil exposure. Several key provisions of the revised HRS make it more comprehensive. Other provisions make the revised HRS more accurate. The complexity and scope of the issues involved in revising the HRS required EPA to get widespread input. The majority of the commenters believed that the revised HRS represented an improvement over the original HRS. The result is a revised HRS that is a practical and effective tool in identifying the nation's worst hazardous waste sites.

  19. Assessing soil erosion risk using RUSLE through a GIS open source desktop and web application.

    PubMed

    Duarte, L; Teodoro, A C; Gonçalves, J A; Soares, D; Cunha, M

    2016-06-01

    Soil erosion is a serious environmental problem. An estimation of the expected soil loss by water-caused erosion can be calculated considering the Revised Universal Soil Loss Equation (RUSLE). Geographical Information Systems (GIS) provide different tools to create categorical maps of soil erosion risk which help to study the risk assessment of soil loss. The objective of this study was to develop a GIS open source application (in QGIS), using the RUSLE methodology for estimating erosion rate at the watershed scale (desktop application) and provide the same application via web access (web application). The applications developed allow one to generate all the maps necessary to evaluate the soil erosion risk. Several libraries and algorithms from SEXTANTE were used to develop these applications. These applications were tested in Montalegre municipality (Portugal). The maps involved in RUSLE method-soil erosivity factor, soil erodibility factor, topographic factor, cover management factor, and support practices-were created. The estimated mean value of the soil loss obtained was 220 ton km(-2) year(-1) ranged from 0.27 to 1283 ton km(-2) year(-1). The results indicated that most of the study area (80 %) is characterized by very low soil erosion level (<321 ton km(-2) year(-1)) and in 4 % of the studied area the soil erosion was higher than 962 ton km(-2) year(-1). It was also concluded that areas with high slope values and bare soil are related with high level of erosion and the higher the P and C values, the higher the soil erosion percentage. The RUSLE web and the desktop application are freely available.

  20. Estimating soil erosion changes in the Wenchuan earthquake disaster area using geo-spatial information technology

    NASA Astrophysics Data System (ADS)

    Zhang, Bing; Jiao, Quanjun; Wu, Yanhong; Zhang, Wenjuan

    2009-05-01

    The secondary disasters induced by the Wenchuan earthquake of May 12, 2008, such as landslides, collapsing rocks, debris flows, floods, etc., have changed the local natural landscape tremendously and caused heavy soil erosion in the earthquake-hit areas. Using thematic mapper images taken before the earthquake and airborne images taken after the earthquake, we extracted information about the destroyed landscape by utilizing remote sensing and geographical information system techniques. Then, taking into account multi-year precipitation, vegetation cover, soil type, land use, and elevation data, we evaluated the soil erosion area and intensity using the revised universal soil loss equation. Results indicate that the soil erosion in earthquake-hit areas was exacerbated, with the severe erosion area increasing by 279.2 km2, or 1.9% of the total statistical area. Large amounts of soil and debris blocked streams and formed many barrier lakes over an area of more than 3.9 km2. It was evident from the spatial distribution of soil erosion areas that the intensity of soil erosion accelerated in the stream valley areas, especially in the valleys of the Min River and the Jian River.

  1. Keys to soil taxonomy by soil survey staff (sixth edition)

    SciTech Connect

    1994-12-31

    This publication, Keys to Soil Taxonomy, serves two purposes. It provides the taxonomic keys necessary for the classification of soils according to Soil Taxonomy in a form that can be used easily in the field, and it also acquaints users of Soil Taxonomy with recent changes in the classification system. This volume includes all revisions of the keys that have so far been approved, replacing the original keys in Soil Taxonomy: A Basic System of Soil Classification for Making and Interpreting Soil Surveys (1975), the work on which this abridged version, first published in 1983, is based. This publication incorporates all amendments approved to date and published in National Soil Taxonomy Handbook (NSTH) Issues 1-17.

  2. Soil loss estimation and prioritization of sub-watersheds of Kali River basin, Karnataka, India, using RUSLE and GIS.

    PubMed

    Markose, Vipin Joseph; Jayappa, K S

    2016-04-01

    Most of the mountainous regions in tropical humid climatic zone experience severe soil loss due to natural factors. In the absence of measured data, modeling techniques play a crucial role for quantitative estimation of soil loss in such regions. The objective of this research work is to estimate soil loss and prioritize the sub-watersheds of Kali River basin using Revised Universal Soil Loss Equation (RUSLE) model. Various thematic layers of RUSLE factors such as rainfall erosivity (R), soil erodibility (K), topographic factor (LS), crop management factor (C), and support practice factor (P) have been prepared by using multiple spatial and non-spatial data sets. These layers are integrated in geographic information system (GIS) environment and estimated the soil loss. The results show that ∼42 % of the study area falls under low erosion risk and only 6.97 % area suffer from very high erosion risk. Based on the rate of soil loss, 165 sub-watersheds have been prioritized into four categories-very high, high, moderate, and low erosion risk. Anthropogenic activities such as deforestation, construction of dams, and rapid urbanization are the main reasons for high rate of soil loss in the study area. The soil erosion rate and prioritization maps help in implementation of a proper watershed management plan for the river basin.

  3. Assessing spatial distribution of soil erosion in a karst region in southwestern China: A case study in Jinfo Mountains

    NASA Astrophysics Data System (ADS)

    Zhou, H. Y.; Pan, X. Y.; Zhou, W. Z.

    2017-01-01

    Soil erosion is serious with rocky desertification areas appearing in mountainous Karst regions in southwest China due to a conspicuous contradiction between man and the land resource. Land use and land cover play significant roles in regional soil erosion by water. This paper aimed to quantify regional soil erosion and to explore relationships between soil erosion and land use/land cover in order to locate high risk areas requiring soil conservation. Based on GIS, the Revised Universal Soil Loss Equation (RUSLE) was employed for erosion assessment for a typical Karst region, Jinfo Mountain region in southwest China, using local parameters. Spatial distribution of topsoil erosion was analyzed and relationships between soil erosion and land use/land cover changes (LULC) were statistically explored and discussed for regional erosion control. The overall values were under 25 t.ha.a, with the medium erosion areas accounting for 12.7% and the intense and very intense erosion areas totalled about 6%. The relations between soil erosion and LULC are complicated in this Karst mountainous region. Generally, the amount of ground cover, soil conservation measures, and cultivation disturbance have played critical roles in topsoil loss in the Jinfo mountain region. The reduced ground cover levels accompanying greater cultivation disturbance lead to higher erosion intensity in each landscape, and vice versa.

  4. Dynamics of Soil Erosion as Influenced by Watershed Management Practices: A Case Study of the Agula Watershed in the Semi-Arid Highlands of Northern Ethiopia.

    PubMed

    Fenta, Ayele Almaw; Yasuda, Hiroshi; Shimizu, Katsuyuki; Haregeweyn, Nigussie; Negussie, Aklilu

    2016-11-01

    Since the past two decades, watershed management practices such as construction of stone bunds and establishment of exclosures have been widely implemented in the semi-arid highlands of northern Ethiopia to curb land degradation by soil erosion. This study assessed changes in soil erosion for the years 1990, 2000 and 2012 as a result of such watershed management practices in Agula watershed using the Revised Universal Soil Loss Equation. The Revised Universal Soil Loss Equation factors were computed in a geographic information system for 30 × 30 m raster layers using spatial data obtained from different sources. The results revealed significant reduction in soil loss rates by about 55 % from about 28 to 12 t ha(-1) per year in 1990-2000 and an overall 64 % reduction from 28 to 10 t ha(-1) per year in 1990-2012. This change in soil loss is attributed to improvement in surface cover and stone bund practices, which resulted in the decrease in mean C and P-factors, respectively, by about 19 % and 34 % in 1990-2000 and an overall decrease in C-factor by 29 % in 1990-2012. Considerable reductions in soil loss were observed from bare land (89 %), followed by cultivated land (56 %) and shrub land (49 %). Furthermore, the reduction in soil loss was more pronounced in steeper slopes where very steep slope and steep slope classes experienced over 70 % reduction. Validation of soil erosion estimations using field observed points showed an overall accuracy of 69 %, which is fairly satisfactory. This study demonstrated the potential of watershed management efforts to bring remarkable restoration of degraded semi-arid lands that could serve as a basis for sustainable planning of future developments of areas experiencing severe land degradation due to water erosion.

  5. Dynamics of Soil Erosion as Influenced by Watershed Management Practices: A Case Study of the Agula Watershed in the Semi-Arid Highlands of Northern Ethiopia

    NASA Astrophysics Data System (ADS)

    Fenta, Ayele Almaw; Yasuda, Hiroshi; Shimizu, Katsuyuki; Haregeweyn, Nigussie; Negussie, Aklilu

    2016-11-01

    Since the past two decades, watershed management practices such as construction of stone bunds and establishment of exclosures have been widely implemented in the semi-arid highlands of northern Ethiopia to curb land degradation by soil erosion. This study assessed changes in soil erosion for the years 1990, 2000 and 2012 as a result of such watershed management practices in Agula watershed using the Revised Universal Soil Loss Equation. The Revised Universal Soil Loss Equation factors were computed in a geographic information system for 30 × 30 m raster layers using spatial data obtained from different sources. The results revealed significant reduction in soil loss rates by about 55 % from about 28 to 12 t ha-1 per year in 1990-2000 and an overall 64 % reduction from 28 to 10 t ha-1 per year in 1990-2012. This change in soil loss is attributed to improvement in surface cover and stone bund practices, which resulted in the decrease in mean C and P-factors, respectively, by about 19 % and 34 % in 1990-2000 and an overall decrease in C-factor by 29 % in 1990-2012. Considerable reductions in soil loss were observed from bare land (89 %), followed by cultivated land (56 %) and shrub land (49 %). Furthermore, the reduction in soil loss was more pronounced in steeper slopes where very steep slope and steep slope classes experienced over 70 % reduction. Validation of soil erosion estimations using field observed points showed an overall accuracy of 69 %, which is fairly satisfactory. This study demonstrated the potential of watershed management efforts to bring remarkable restoration of degraded semi-arid lands that could serve as a basis for sustainable planning of future developments of areas experiencing severe land degradation due to water erosion.

  6. Panel established to revise position statement on climate change

    NASA Astrophysics Data System (ADS)

    President Robert Dickinson has appointed a panel to review the current AGU position statement on climate change and greenhouse gases, and to consider revising the statement to reflect scientific progress over the last four years. Marvin Geller of the State University of New York-Stonybrook chairs the panel.Other panel members include: Andre Berger, George Lemaître Catholic University of Louvain, Belgium; Anny Cazenave, Observatoire Midi-Pyrénées, Toulouse, France; John Christy, University of Alabama, Huntsville; Ellen Druffel, University of California, Irvine; Jack Fellows, University Consortium for Atmospheric Research, Boulder; Hiroshi Kanzawa, Nagoya University, Japan; William Schlesinger, Duke University, Durham; William (Jim) Shuttleworth, University of Arizona; Eric Sundquist, U.S. Geological Survey, Woods Hole; Richard Turco, University of California, Los Angeles; Ilana Wainer, Universidade Cidade Sao Paulo, Brazil.

  7. 8. Photocopy of measured drawing (from the Iowa State University, ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    8. Photocopy of measured drawing (from the Iowa State University, Physical Plant) Delineator unknown 1929; revised to 1943 MAINTENANCE PLANS, BASEMENT THROUGH THIRD FLOORS - Iowa State University, Morrill Hall, Morrill Road, Ames, Story County, IA

  8. Residential Wiring. Revised.

    ERIC Educational Resources Information Center

    Taylor, Mark

    This competency-based curriculum guide contains materials for conducting a course in residential wiring. A technically revised edition of the 1978 publication, the guide includes 28 units. Each instructional unit includes some or all of the following basic components: performance objectives, suggested activities for teachers and students,…

  9. Hospital Nurse Aide. Revised.

    ERIC Educational Resources Information Center

    Iowa Univ., Iowa City. Coll. of Education.

    This report presents results of a project to revise the current 120-hour advanced nurse aide course to include all recommended minimum competencies. A three-page description of project objectives, activities, and outcomes is followed by a list of the competencies for the 75-hour nurse aide course for long-term care and for the 120-hour advanced…

  10. School Safety Handbook. Revised.

    ERIC Educational Resources Information Center

    Association of School Business Officials International, Reston, VA.

    The revised edition of this handbook represents a concerted effort to bring school safety to the forefront of business managers' daily and long-range planning activities. Although statistics show few fatalities on school grounds, schools appear to have a high frequency and incident rate of nonfatal injuries. According to the introduction, school…

  11. Scar revision - slideshow

    MedlinePlus

    ... anatomy URL of this page: //medlineplus.gov/ency/presentations/100098.htm Scar revision - series—Normal anatomy To use the sharing features on this page, please enable JavaScript. Go to slide 1 out of 4 Go to slide 2 ...

  12. The Revision Process in Academic Writing: From Pen & Paper to Word Processor.

    ERIC Educational Resources Information Center

    Chadwick, Stephen; Bruce, Nigel

    1989-01-01

    A study at Hong Kong University explored the use of the word processor as a writing tool in enhancing a process approach to writing instruction and the effect it has on writing performance, student attitudes to writing and revising, and the process by which students revise their scripts. A comparative analysis was done on a control group of 13…

  13. Soil bed reactor work of the Environmental Research Lab. of the University of Arizona in support of the research and development of Biosphere 2

    NASA Technical Reports Server (NTRS)

    Frye, Robert

    1990-01-01

    Research at the Environmental Research Lab in support of Biosphere 2 was both basic and applied in nature. One aspect of the applied research involved the use of biological reactors for the scrubbing of trace atmospheric organic contaminants. The research involved a quantitative study of the efficiency of operation of Soil Bed Reactors (SBR) and the optimal operating conditions for contaminant removal. The basic configuration of a SBR is that air is moved through a living soil that supports a population of plants. Upon exposure to the soil, contaminants are either passively adsorbed onto the surface of soil particles, chemically transformed in the soil to usable compounds that are taken up by the plants or microbes as a metabolic energy source and converted to CO2 and water.

  14. Revised Hazard Ranking System (HRS): Final rule

    SciTech Connect

    Not Available

    1990-11-09

    The U.S. Environmental Protection Agency (EPA) has revised the Hazard Ranking System (HRS) in response to the Superfund Amendments and Reauthorization Act of 1986 (SARA). The HRS is the scoring system EPA uses to assess the relative threat associated with the release or potential release of hazardous substances from a waste site. The HRS score is the primary criterion EPA uses to determine whether a site should be placed on the National Priorities List (NPL). The NPL identifies sites that warrant further investigation to determine if they pose risks to public health or the environment. Sites on the NPL are eligible for long-term remedial action financed under the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (CERCLA), as amended by SARA. The revised HRS retains the same cutoff score and basic approach as the original HRS, while incorporating SARA requirements as well as improvements identified as necessary by EPA and the public. The revised HRS retains the ground water, surface water, and air pathways drops the direct contact and fire/explosion pathways, and adds a forth pathway, soil exposure.

  15. Soils in Schools: Embedding Soil Science in STEM

    ERIC Educational Resources Information Center

    Bryce, Alisa

    2015-01-01

    Soil science, though relevant to a variety of subjects including science, geography, mathematics, social sciences and history, is typically perceived as a subgenre of agriculture. With a global need for soil scientists, and declining numbers in university soil courses, there's a growing gap between science needs and providers. One way to promote…

  16. Household Anthropogenic Pollutants Against Soil Respiration Erin Murphy EnvironMentors - AggieMentor -Trent Ichiuji University of California Davis / Woodland High School

    NASA Astrophysics Data System (ADS)

    Murphy, E.; Ichiuji, T.

    2013-12-01

    Macroscopic organisms have been largely studied for carbon dioxide release rate and the effect that human development has had on these rates. However, the majority of biomass on Earth is microbes found on the Earth's surface, in the waterways and in soil. As for pollution, a single drop of weak acid is unlikely to kill on the skin of a large animal, yet this could be catastrophic to a colony of microbes. This experiment studied the effect of anthropogenic pollution on soil respiration using toxins that could easily infiltrate our soil and water systems. This project specifically examined common household chemicals in conjunction with Putah Creek soil. The tested toxins were Mobil 1 motor oil, Windex window cleaner, Ajax dish soap, and Dawn antibacterial dish soap. Six samples of Putah Creek soil were collected in jars. Four soil samples were exposed to toxins, while the remaining two were the control and glucose replicates. The control included soil damped by water, while the glucose replicate included both water and glucose. The glucose replicate was included because of its known ability to encourage respiration. A 20 mL NaCl base trap was added to each jar before being sealed. The jars were aerated once a week before titration. The 1.0 N NaCl from each jar of each week was titrated with 0.5 N HCl. The initial prediction for this experiment was that the glucose would raise the respiration levels, and that the control with no glucose would fall. Five weeks of recording the respiration levels confirmed our hypothesis that household toxins are detrimental to the soil microbial community over time. A similar experiment employed heavy metals instead of household toxins. The experiment showed that soil respiration and ATP content were strongly affected by the heavy metal content present in the soil. (Vanhala, Ahtiainen, 1994). This project will raise awareness of the negative effect of improper disposal of seemingly harmless materials. The next step of the project would

  17. The Shifting Sands of Health Care Delivery: Curriculum Revision and Integration of Community Health Nursing.

    ERIC Educational Resources Information Center

    Conger, Cynthia O'Neill; Baldwin, Joan H.; Abegglen, JoAnn; Callister, Lynn C.

    1999-01-01

    Brigham Young University's nursing curriculum was revised to reflect the community-driven nature of primary health care. Curricular threads of inquiry, practice, stewardship, spirituality, and service are the framework for integrating community health nursing practice. (SK)

  18. Spatio-temporal assessment of soil erosion risk in different agricultural zones of the Inle Lake region, southern Shan State, Myanmar.

    PubMed

    Htwe, Thin Nwe; Brinkmann, Katja; Buerkert, Andreas

    2015-10-01

    Myanmar is one of Southeast Asia's climatically most diverse countries, where sheet, rill, and gully erosion affect crop yields and subsequently livelihood strategies of many people. In the unique wetland ecosystem of Inle Lake, soil erosion in surrounding uplands lead to sedimentation and pollution of the water body. The current study uses the Revised Universal Soil Loss Equation (RUSLE) to identify soil erosion risks of the Inle Lake region in space and time and to assess the relationship between soil erosion and degradation for different agricultural zones and cropping systems. Altogether, 85% of soil losses occurred on barren land along the steep slopes. The hotspot of soil erosion risk is situated in the western uplands characterized by unsustainable land use practices combined with a steep topography. The estimated average soil losses amounted to 19.9, 10.1, and 26.2 t ha(-1) yr(-1) in 1989, 2000, and 2009, respectively. These fluctuations were mainly the results of changes in precipitation and land cover (deforestation (-19%) and expansion of annual cropland (+35%) from 1989 to 2009). Most farmers in the study area have not yet adopted effective soil protection measures to mitigate the effects of soil erosion such as land degradation and water pollution of the lake reservoir. This urgently needs to be addressed by policy makers and extension services.

  19. Grafting in revision rhinoplasty.

    PubMed

    Bussi, M; Palonta, F; Toma, S

    2013-06-01

    Rhinoplasty is one of the most difficult aesthetic surgery procedures with a high rate of revision. In revision rhinoplasty the surgeon should explore the patient's concerns and then verify the possibility to satisfy expectations after complete internal and external examination of the nose. For the vast majority of complex secondaries, an open approach is the only reasonable method. In fact, in secondary nasal surgery, because of the scarring process following the primary operation, dissection is tedious, and landmarks are lost. One of the main objectives for the surgeon who approaches secondary rhinoplasty is to restore the structural support of the nose and to replace the lost volume of soft tissues. To achieve this purpose, the surgeon must often rely on grafts. An ideal grafting material must be easy to sculpt, resistant to trauma, infection and extrusion, mechanically stable, inert and readily available. For all these reasons, autogenous cartilage grafts harvested from septum, auricular concha and rib represent the first choice in rhinoplasty. In order to obtain a camouflage graft that provides natural contouring to the nose, temporalis fascia can be used. All these carefully trimmed grafts are useful in tip revision surgery, in secondary surgery of the dorsum and to resolve or reduce functional problems.

  20. E.H. Butler Library Disaster Preparedness Plan. Revised 1991.

    ERIC Educational Resources Information Center

    State Univ. of New York, Buffalo. Coll. at Buffalo.

    The plan presented in this revised manual is designed to minimize the potential for disaster in the E. H. Butler Library at the State University of New York College at Buffalo, and to minimize damage to materials in the event of a disaster. It contains emergency instructions, evacuation procedures, a disaster contact list, and information on…

  1. Explanatory Coherence and Belief Revision in Naive Physics

    DTIC Science & Technology

    1988-07-01

    continental drift (Thagard & Nowak, 1988), and debates about why the dinosaurs became extinct. Application of ECHO to the belief revisions in Pat and Hal...Siostatistics Laboratory 2233 University Avenue Memrial Sloan-KetttrIng Suite 440 Cancer Canter St. Paul, MR 5114 1275 York Avenue New York, NY 10021

  2. The use of spatial empirical models to estimate soil erosion in arid ecosystems.

    PubMed

    Abdullah, Meshal; Feagin, Rusty; Musawi, Layla

    2017-02-01

    The central objective of this project was to utilize geographical information systems and remote sensing to compare soil erosion models, including Modified Pacific South-west Inter Agency Committee (MPSIAC), Erosion Potential Method (EPM), and Revised Universal Soil Loss Equation (RUSLE), and to determine their applicability for arid regions such as Kuwait. The northern portion of Umm Nigga, containing both coastal and desert ecosystems, falls within the boundaries of the de-militarized zone (DMZ) adjacent to Iraq and has been fenced off to restrict public access since 1994. Results showed that the MPSIAC and EPM models were similar in spatial distribution of erosion, though the MPSIAC had a more realistic spatial distribution of erosion and presented finer level details. The RUSLE presented unrealistic results. We then predicted the amount of soil loss between coastal and desert areas and fenced and unfenced sites for each model. In the MPSIAC and EPM models, soil loss was different between fenced and unfenced sites at the desert areas, which was higher at the unfenced due to the low vegetation cover. The overall results implied that vegetation cover played an important role in reducing soil erosion and that fencing is much more important in the desert ecosystems to protect against human activities such as overgrazing. We conclude that the MPSIAC model is best for predicting soil erosion for arid regions such as Kuwait. We also recommend the integration of field-based experiments with lab-based spatial analysis and modeling in future research.

  3. Estimation of soil erosion risk within an important agricultural sub-watershed in Bursa, Turkey, in relation to rapid urbanization.

    PubMed

    Ozsoy, Gokhan; Aksoy, Ertugrul

    2015-07-01

    This paper integrates the Revised Universal Soil Loss Equation (RUSLE) with a GIS model to investigate the spatial distribution of annual soil loss and identify areas of soil erosion risk in the Uluabat sub-watershed, an important agricultural site in Bursa Province, Turkey. The total soil loss from water erosion was 473,274 Mg year(-1). Accordingly, 60.3% of the surveyed area was classified into a very low erosion risk class while 25.7% was found to be in high and severe erosion risk classes. Soil loss had a close relationship with land use and topography. The most severe erosion risk typically occurs on ridges and steep slopes where agriculture, degraded forest, and shrubs are the main land uses and cover types. Another goal of this study was to use GIS to reveal the multi-year urbanization status caused by rapid urbanization that constitutes another soil erosion risk in this area. Urbanization has increased by 57.7% and the most areal change was determined in class I lands at a rate of 80% over 25 years. Urbanization was identified as one of the causes of excessive soil loss in the study area.

  4. Remote Sensing-based Models of Soil Vulnerability to Compaction and Erosion from Off-highway Vehicles

    NASA Astrophysics Data System (ADS)

    Villarreal, M. L.; Webb, R. H.; Norman, L.; Psillas, J.; Rosenberg, A.; Carmichael, S.; Petrakis, R.; Sparks, P.

    2014-12-01

    Intensive off-road vehicle use for immigration, smuggling, and security of the United States-Mexico border has prompted concerns about long-term human impacts on sensitive desert ecosystems. To help managers identify areas susceptible to soil erosion from vehicle disturbances, we developed a series of erosion potential models based on factors from the Revised Universal Soil Loss Equation (RUSLE), with particular focus on the management factor (P-factor) and vegetation cover (C-factor). To better express the vulnerability of soils to human disturbances, a soil compaction index (applied as the P-factor) was calculated as the difference in saturated hydrologic conductivity (Ks) between disturbed and undisturbed soils, which was then scaled up to remote sensing-based maps of vehicle tracks and digital soils maps. The C-factor was improved using a satellite-based vegetation index, which was better correlated with estimated ground cover (r2 = 0.77) than data derived from regional land cover maps (r2 = 0.06). RUSLE factors were normalized to give equal weight to all contributing factors, which provided more management-specific information on vulnerable areas where vehicle compaction of sensitive soils intersects with steep slopes and low vegetation cover. Resulting spatial data on vulnerability and erosion potential provide land managers with information to identify critically disturbed areas and potential restoration sites where off-road driving should be restricted to reduce further degradation.

  5. Development and validation of a simple frozen soil parameterization scheme used for climate model

    NASA Astrophysics Data System (ADS)

    Zhang, Y.; Lu, S. H.

    2002-05-01

    A simple frozen soil parameterization scheme is developed based on NCAR LSM and the effects of revised scheme are investigated using Former Soviet Union (FSU) 6 stations measurement data. In the revised model, soil ice content and the energy change in phase change process is considered; the original soil thermal conductivity scheme is replaced by Johanson scheme and the soil thermal and hydraulic properties is modified depending on soil ice content, The comparison of original model with revised model results indicates that the frozen soil scheme can reasonably simulate the energy budget in soil column and the variation of thermal and hydraulic properties as the soil ice content changes. Soil moisture in spring is decreased because of the reduction of infiltration and increment of runoff. Consequently, the partition of heat flux and surface temperature changes corresponding.

  6. Revision and Validation of the Revised Teacher Beliefs Survey.

    ERIC Educational Resources Information Center

    Benjamin, Jane

    This study revised the Teacher Beliefs Survey (S. Wooley and A. Wooley, 1999; TBS), an instrument to assess teachers beliefs related to constructivist and behaviorist theories of learning, and then studied the validity of the revised TBS. Drawing on a literature review, researchers added items for the existing constructs of the TBS and added a new…

  7. Genetic structure of soil population of fungus Fusarium oxysporum Schlechtend.: Fr.: Molecular reidentification of the species and genetic differentiation of isolates using polymerase chain reaction technique with universal primers (UP-PCR)

    SciTech Connect

    Bulat, S.A.; Mironenko, N.V.; Zholkevich, Yu.G.

    1995-07-01

    The genetic structure of three soil populations of fungus Fusarium oxysporum was analyzed using polymerase chain reaction with universal primers (UP-PCR). Distinct UP-PCR variants revealed by means of cross-dot hybridization of amplified DNA and restriction analysis of nuclear ribosomal DNA represent subspecies or sibling species of F. oxysporum. The remaining isolates of F. oxysporum showed moderate UP-PCR polymorphism characterized by numerous types, whose relatedness was analyzed by computer treatment of the UP-PCR patterns. The genetic distance trees based on the UP-PCR patterns, which were obtained with different universal primers, demonstrated similar topology. This suggests that evolutionarily important genome rearrangements correlatively occur within the entire genome. Isolates representing different UP-PCR polymorphisms were encountered in all populations, being distributed asymmetrically in two of these. In general, soil populations of F. oxysporum were represented by numerous genetically isolated groups with a similar genome structure. The genetic heterogeneity of the isolates within these groups is likely to be caused by the parasexual process. The usefulness of the UP-PCR technique for population studies of F. oxysporum was demonstrated. 39 refs., 7 figs., 2 tabs.

  8. Quantum Field Theory, Revised Edition

    NASA Astrophysics Data System (ADS)

    Mandl, F.; Shaw, G.

    1994-01-01

    Quantum Field Theory Revised Edition F. Mandl and G. Shaw, Department of Theoretical Physics, The Schuster Laboratory, The University, Manchester, UK When this book first appeared in 1984, only a handful of W± and Z° bosons had been observed and the experimental investigation of high energy electro-weak interactions was in its infancy. Nowadays, W± bosons and especially Z° bosons can be produced by the thousand and the study of their properties is a precise science. We have revised the text of the later chapters to incorporate these developments and discuss their implications. We have also taken this opportunity to update the references throughout and to make some improvements in the treatment of dimen-sional regularization. Finally, we have corrected some minor errors and are grateful to various people for pointing these out. This book is designed as a short and simple introduction to quantum field theory for students beginning research in theoretical and experimental physics. The three main objectives are to explain the basic physics and formalism of quantum field theory, to make the reader fully proficient in theory calculations using Feynman diagrams, and to introduce the reader to gauge theories, which play such a central role in elementary particle physics. The theory is applied to quantum electrodynamics (QED), where quantum field theory had its early triumphs, and to weak interactions where the standard electro-weak theory has had many impressive successes. The treatment is based on the canonical quantization method, because readers will be familiar with this, because it brings out lucidly the connection between invariance and conservation laws, and because it leads directly to the Feynman diagram techniques which are so important in many branches of physics. In order to help inexperienced research students grasp the meaning of the theory and learn to handle it confidently, the mathematical formalism is developed from first principles, its physical

  9. The revised UCLA Loneliness Scale: concurrent and discriminant validity evidence.

    PubMed

    Russell, D; Peplau, L A; Cutrona, C E

    1980-09-01

    The development of an adequate assessment instrument is a necessary prerequisite for social psychological research on loneliness. Two studies provide methodological refinement in the measurement of loneliness. Study 1 presents a revised version of the self-report UCLA (University of California, Los Angeles) Loneliness Scale, designed to counter the possible effects of response bias in the original scale, and reports concurrent validity evidence for the revised measure. Study 2 demonstrates that although loneliness is correlated with measures of negative affect, social risk taking, and affiliative tendencies, it is nonetheless a distinct psychological experience.

  10. Multimodal Revision Techniques in Webtexts

    ERIC Educational Resources Information Center

    Ball, Cheryl E.

    2014-01-01

    This article examines how an online scholarly journal, "Kairos: Rhetoric, Technology, Pedagogy," mentors authors to revise their webtexts (interactive, digital media scholarship) for publication. Using an editorial pedagogy in which multimodal and rhetorical genre theories are merged with revision techniques found in process-based…

  11. TRICARE reimbursement revisions. Final rule.

    PubMed

    2012-06-27

    This final rule provides several necessary revisions to the regulation in order for TRICARE to be consistent with Medicare. These revisions affect: Hospice periods of care; reimbursement of physician assistants and assistant-at-surgery claims; and diagnosis-related group values, removing references to specific numeric diagnosis-related group values and replacing them with their narrative description.

  12. Surgical Scar Revision: An Overview

    PubMed Central

    Garg, Shilpa; Dahiya, Naveen; Gupta, Somesh

    2014-01-01

    Scar formation is an inevitable consequence of wound healing from either a traumatic or a surgical intervention. The aesthetic appearance of a scar is the most important criteria to judge the surgical outcome. An understanding of the anatomy and wound healing along with experience, meticulous planning and technique can reduce complications and improve the surgical outcome. Scar revision does not erase a scar but helps to make it less noticeable and more acceptable. Both surgical and non-surgical techniques, used either alone or in combination can be used for revising a scar. In planning a scar revision surgeon should decide on when to act and the type of technique to use for scar revision to get an aesthetically pleasing outcome. This review article provides overview of methods applied for facial scar revision. This predominantly covers surgical methods. PMID:24761092

  13. Soil physics: a Moroccan perspective

    NASA Astrophysics Data System (ADS)

    Lahlou, Sabah; Mrabet, Rachid; Ouadia, Mohamed

    2004-06-01

    Research on environmental pollution and degradation of soil and water resources is now of highest priority worldwide. To address these problems, soil physics should be conceived as a central core to this research. This paper objectives are to: (1) address the role and importance of soil physics, (2) demonstrate progress in this discipline, and (3) present various uses of soil physics in research, environment and industry. The study of dynamic processes at and within the soil vadose zone (flow, dispersion, transport, sedimentation, etc.), and ephemeral phenomena (deformation, compaction, etc.), form an area of particular interest in soil physics. Soil physics has changed considerably over time. These changes are due to needed precision in data collection for accurate interpretation of space and time variation of soil properties. Soil physics interacts with other disciplines and sciences such as hydro(geo)logy, agronomy, environment, micro-meteorology, pedology, mathematics, physics, water sciences, etc. These interactions prompted the emergence of advanced theories and comprehensive mechanisms of most natural processes, development of new mathematical tools (modeling and computer simulation, fractals, geostatistics, transformations), creation of high precision instrumentation (computer assisted, less time constraint, increased number of measured parameters) and the scale sharpening of physical measurements which ranges from micro to watershed. The environment industry has contributed to an enlargement of many facets of soil physics. In other words, research demand in soil physics has increased considerably to satisfy specific and environmental problems (contamination of water resources, global warming, etc.). Soil physics research is still at an embryonic stage in Morocco. Consequently, soil physicists can take advantage of developments occurring overseas, and need to build up a database of soil static and dynamic properties and to revise developed models to meet

  14. The status of soil mapping for the Idaho National Engineering Laboratory

    SciTech Connect

    Olson, G.L.; Lee, R.D.; Jeppesen, D.J.

    1995-01-01

    This report discusses the production of a revised version of the general soil map of the 2304-km{sup 2} (890-mi{sup 2}) Idaho National Engineering Laboratory (INEL) site in southeastern Idaho and the production of a geographic information system (GIS) soil map and supporting database. The revised general soil map replaces an INEL soil map produced in 1978 and incorporates the most current information on INEL soils. The general soil map delineates large soil associations based on National Resources Conservation Services [formerly the Soil Conservation Service (SCS)] principles of soil mapping. The GIS map incorporates detailed information that could not be presented on the general soil map and is linked to a database that contains the soil map unit descriptions, surficial geology codes, and other pertinent information.

  15. Evaluating the first Brazilian program of payments for environmental services: An approach for optimizing soil conservation using GIS

    NASA Astrophysics Data System (ADS)

    Zolin, C. A.; Folegatti, M. V.; Mingoti, R.; Paulino, J.; Sánchez-Román, R. M.; González, A. M.

    2013-12-01

    Brazil possesses one of the most important water assets in the world, however, the country experiences vast differences among its hydrographic regions. Although Brazil has the largest water reserves in the world, those reserves are not distributed according to the concentration of the population. In addition, the largest portions of these water reserves are not always located where the highest urban concentrations and demands occur, which causes serious problems in maintaining water supply within the country's most populous regions (Zolin et al. 2011). It has become evident that policies aimed at mitigating the growing water resources and water use conflicts in Brazil are crucial. The municipality of Extrema in Minas Gerais state in Brazil pioneered the first Brazilian municipal PES initiative (Conservador das Águas program), based on the relationship between forests and the benefits they provide. This study aimed to assess soil loss in the Posses sub-basin, where the Conservador das Águas program began. Additionally, we aimed to determine the potential that this PES initiative has for soil conservation, as well as to optimize the environmental services provided as a function of forest area size and location. In this sense, considering the prescribed conservation practices, land use situation, and soil cover in the Posses sub-basin, we analyzed the effectiveness of the Conservador das Águas program before and after implementation in relation to reduced soil loss under different land use and soil cover scenarios. We used a geographic information system (GIS) for spatializing and producing different information plans and the Revised Universal Soil Loss Equation (RUSLE) for estimating soil loss. As a result, we found that optimized soil conservation may be obtained by adopting pasture conservation practices. Additionally the expected average soil loss in the Posses sub-basin under conditions of land use and soil cover, before and after implementing the water

  16. Are Gender Differences in Spatial Ability Real or an Artifact? Evaluation of Measurement Invariance on the Revised PSVT:R

    ERIC Educational Resources Information Center

    Maeda, Yukiko; Yoon, So Yoon

    2016-01-01

    We investigated the extent to which the observed gender differences in mental rotation ability among the 2,468 freshmen studying engineering at a Midwest public university attributed to the gender bias of a test. The Revised Purdue Spatial Visualization Tests: Visualization of Rotations (Revised PSVT:R) is a spatial test frequently used to measure…

  17. High School Roundtable Discussion on the Process and Implications of the Physics TEKS Revision

    NASA Astrophysics Data System (ADS)

    Henderson, Hugh

    2008-03-01

    On January 29 - February 2, 2008, several committees appointed by the Texas State Board of Education and consisting of high school and college teachers met in Austin to revise the Texas Essential Knowledge and Skills (TEKS) for all high school science courses, including physics, chemistry, integrated physics and chemistry (IPC), biology, astronomy, environmental systems, and aquatic science. Members of the Physics TEKS revision committee were Jill Marshall, Daniel Marble, Jeff Funkhouser, Cheryl Cowley, and Hugh Henderson. The committee members began the process by considering the revision suggestions made by members of TSAAPT during the past year. This session will clarify the TEKS revision process and communicate the changes to the Physics TEKS suggested by the committee, as well as provide a panel discussion on political and policy implications of TEKS revision, implications of TEKS revision for future teachers, and possible implications for physics education at the university level. All pre-college science teachers and college faculty are encouraged to attend and join the discussion. In collaboration with Chris Comer, Science Consultant; Jill Marshall, University of Texas; David Bixler, Angelo State University; and Toni Sauncy, Angelo State University.

  18. Soil Eroison, T Values, and Sustainability: A Review and Exercise.

    ERIC Educational Resources Information Center

    Beach, Timothy; Gersmehl, Philip

    1993-01-01

    Reviews issues related to soil erosion and soil loss tolerance in the United States. Describes an instructional plan in which students estimate soil loses in three geographical regions using the Universal Soil Loss Equation (USLE). Recommends integrating the geography of soil erosion with broader conceptual questions in physical geography. (CFR)

  19. Soil Erosion map of Europe based on high resolution input datasets

    NASA Astrophysics Data System (ADS)

    Panagos, Panos; Borrelli, Pasquale; Meusburger, Katrin; Ballabio, Cristiano; Alewell, Christine

    2015-04-01

    Modelling soil erosion in European Union is of major importance for agro-environmental policies. Soil erosion estimates are important inputs for the Common Agricultural Policy (CAP) and the implementation of the Soil Thematic Strategy. Using the findings of a recent pan-European data collection through the EIONET network, it was concluded that most Member States are applying the empirical Revised Universal Soil Loss Equation (RUSLE) for the modelling soil erosion at National level. This model was chosen for the pan-European soil erosion risk assessment and it is based on 6 input factors. Compared to past approaches, each of the factors is modelled using the latest pan-European datasets, expertise and data from Member states and high resolution remote sensing data. The soil erodibility (K-factor) is modelled using the recently published LUCAS topsoil database with 20,000 point measurements and incorporating the surface stone cover which can reduce K-factor by 15%. The rainfall erosivity dataset (R-factor) has been implemented using high temporal resolution rainfall data from more than 1,500 precipitation stations well distributed in Europe. The cover-management (C-factor) incorporates crop statistics and management practices such as cover crops, tillage practices and plant residuals. The slope length and steepness (combined LS-factor) is based on the first ever 25m Digital Elevation Model (DEM) of Europe. Finally, the support practices (P-factor) is modelled for first time at this scale taking into account the 270,000 LUCAS earth observations and the Good Agricultural and Environmental Condition (GAEC) that farmers have to follow in Europe. The high resolution input layers produce the final soil erosion risk map at 100m resolution and allow policy makers to run future land use, management and climate change scenarios.

  20. Annotation and Classification of Argumentative Writing Revisions

    ERIC Educational Resources Information Center

    Zhang, Fan; Litman, Diane

    2015-01-01

    This paper explores the annotation and classification of students' revision behaviors in argumentative writing. A sentence-level revision schema is proposed to capture why and how students make revisions. Based on the proposed schema, a small corpus of student essays and revisions was annotated. Studies show that manual annotation is reliable with…

  1. 78 FR 48667 - Revised Company Registration System

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-08-09

    ... Energy Regulatory Commission Revised Company Registration System AGENCY: Federal Energy Regulatory Commission. ACTION: Notice. SUMMARY: This document revises the effective date of the Revised Company... in Docket No. RM07-16-000, et al. (February 7, 2013 Order) directing revisions to the...

  2. Sexual Harassment: Development of a University's Policy and Educational Programming.

    ERIC Educational Resources Information Center

    Longstreth, Catherine; And Others

    In late 1988 the University of Florida began the process of revising and updating its policy and educational programs on sexual harassment. At that time a task force was formed which reviewed the current policy and procedures and drafted a revised brochure on sexual harassment. This brochure was reviewed and redrafted and distributed to every…

  3. Knowledge-Directed Theory Revision

    NASA Astrophysics Data System (ADS)

    Ali, Kamal; Leung, Kevin; Konik, Tolga; Choi, Dongkyu; Shapiro, Dan

    Using domain knowledge to speed up learning is widely accepted but theory revision of such knowledge continues to use general syntactic operators. Using such operators for theory revision of teleoreactive logic programs is especially expensive in which proof of a top-level goal involves playing a game. In such contexts, one should have the option to complement general theory revision with domain-specific knowledge. Using American football as an example, we use Icarus' multi-agent teleoreactive logic programming ability to encode a coach agent whose concepts correspond to faults recognized in execution of the play and whose skills correspond to making repairs in the goals of the player agents. Our results show effective learning using as few as twenty examples. We also show that structural changes made by such revision can produce performance gains that cannot be matched by doing only numeric optimization.

  4. An alternative to soil taxonomy for describing key soil characteristics

    USGS Publications Warehouse

    Duniway, Michael C.; Miller, Mark E.; Brown, Joel R.; Toevs, Gordon

    2013-01-01

    is not a simple task. Furthermore, because the US system of soil taxonomy is not applied universally, its utility as a means for effectively describing soil characteristics to readers in other countries is limited. Finally, and most importantly, even at the finest level of soil classification there are often large within-taxa variations in critical properties that can determine ecosystem responses to drivers such as climate and land-use change.

  5. Revised Extended Grid Library

    SciTech Connect

    Martz, Roger L.

    2016-07-15

    The Revised Eolus Grid Library (REGL) is a mesh-tracking library that was developed for use with the MCNP6TM computer code so that (radiation) particles can track on an unstructured mesh. The unstructured mesh is a finite element representation of any geometric solid model created with a state-of-the-art CAE/CAD tool. The mesh-tracking library is written using modern Fortran and programming standards; the library is Fortran 2003 compliant. The library was created with a defined application programmer interface (API) so that it could easily integrate with other particle tracking/transport codes. The library does not handle parallel processing via the message passing interface (mpi), but has been used successfully where the host code handles the mpi calls. The library is thread-safe and supports the OpenMP paradigm. As a library, all features are available through the API and overall a tight coupling between it and the host code is required. Features of the library are summarized with the following list: • can accommodate first and second order 4, 5, and 6-sided polyhedra • any combination of element types may appear in a single geometry model • parts may not contain tetrahedra mixed with other element types • pentahedra and hexahedra can be together in the same part • robust handling of overlaps and gaps • tracks element-to-element to produce path length results at the element level • finds element numbers for a given mesh location • finds intersection points on element faces for the particle tracks • produce a data file for post processing results analysis • reads Abaqus .inp input (ASCII) files to obtain information for the global mesh-model • supports parallel input processing via mpi • support parallel particle transport by both mpi and OpenMP

  6. 76 FR 61057 - Revisions to the California State Implementation Plan, Sacramento Metropolitan Air Quality...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-10-03

    ... Synthetic Organic Chemical Polymer and Resin Manufacturing Equipment'' (EPA-450/3-83-006, 03/84). 8... revisions concern volatile organic compound (VOC) emissions from organic chemical manufacturing, soil... Local agency Rule No. Rule title Adopted Submitted SMAQMD 464 Organic Chemical Manufacturing 09/25/08...

  7. Evaluation of a multiple goal revision of a physics laboratory

    NASA Astrophysics Data System (ADS)

    Bonham, Scott W.; Harper, Doug L.; Pauley, Lance

    2013-01-01

    This paper reports on the revision of the University Physics laboratory at Western Kentucky University. Multiple learning objectives were negotiated among faculty, and a curriculum was developed to address all of them. A full pilot was run in Spring 2012 with three experimental sections and two control sections. Data was collected using the Force and Motion Conceptual Evaluation, a self-efficacy survey, and performance on the laboratory final. Data from the pilot shows gains in conceptual understanding on certain topics, differences in a few laboratory skills, and improvement in technical writing ability as measured by both a writing sample and student perception.

  8. The Global Soil Partnership

    NASA Astrophysics Data System (ADS)

    Montanarella, Luca

    2015-07-01

    The Global Soil Partnership (GSP) has been established, following an intensive preparatory work of the Food and Agriculture Organization of the United Nations (FAO) in collaboration with the European Commission (EC), as a voluntary partnership coordinated by the FAO in September 2011 [1]. The GSP is open to all interested stakeholders: Governments (FAO Member States), Universities, Research Organizations, Civil Society Organizations, Industry and private companies. It is a voluntary partnership aiming towards providing a platform for active engagement in sustainable soil management and soil protection at all scales: local, national, regional and global. As a “coalition of the willing” towards soil protection, it attempts to make progress in reversing soil degradation with those partners that have a genuine will of protecting soils for our future generations. It openly aims towards creating an enabling environment, despite the resistance of a minority of national governments, for effective soil protection in the large majority of the countries that are genuinely concerned about the rapid depletion of their limited soil resources.

  9. Revision of Primary Series Maps

    USGS Publications Warehouse

    ,

    2000-01-01

    In 1992, the U.S. Geological Survey (USGS) completed a 50-year effort to provide primary series map coverage of the United States. Many of these maps now need to be updated to reflect the construction of new roads and highways and other changes that have taken place over time. The USGS has formulated a graphic revision plan to help keep the primary series maps current. Primary series maps include 1:20,000-scale quadrangles of Puerto Rico, 1:24,000- or 1:25,000-scale quadrangles of the conterminous United States, Hawaii, and U.S. Territories, and 1:63,360-scale quadrangles of Alaska. The revision of primary series maps from new collection sources is accomplished using a variety of processes. The raster revision process combines the scanned content of paper maps with raster updating technologies. The vector revision process involves the automated plotting of updated vector files. Traditional processes use analog stereoplotters and manual scribing instruments on specially coated map separates. The ability to select from or combine these processes increases the efficiency of the National Mapping Division map revision program.

  10. Development of a virtual tool for the quantification and the analysis of soil erosion in olive orchards based on RUSLE

    NASA Astrophysics Data System (ADS)

    Marín, Víctor; Taguas, Encarnación V.; Redel, María Dolores; Gómez, Jose A.

    2013-04-01

    Erosion rates above 30 t ha-1 yr-1 have been measured in hilly agricultural regions such as Andalusia in Southern Spain, associated to orchard crops (Gómez et al., 2008). In this region, there are 1.48 Mha of olive groves (CAP, 2007), which are essential in terms of income, employment and landscape. The acquisition of training and experience in modelling soil erosion is difficult by the conventional system teaching for students as well as specific technicians. This paper presents a telematic training/analysis tool, CREO (Calculator of Rates of Erosion in Olive crops/ Calculadora RUSLE para Erosión en Olivar), to quantify erosion rates in olive grove areas based on the Revised Universal Soil Loss Equation (RUSLE; Renard et al., 1997) and on specific information published on soil losses and soil characteristics in olive orchards in Southern Spain. The tool has been programmed with Matlab R2008a from MathWorks Inc. (USA), although it could be used as an executable program in Spanish and English language by interested users. It consists of seven menus with visual material where different sources, databases and methodologies are presented to quantify soil rates (A = R.K.LS.C.P) by the calculation of six factors.A is computed in t ha-1 yr-1; R is the rainfall erosivity factor (MJ mm ha-1.h-1 yr-1); K represents the soil erodibility (t ha h ha-1 MJ-1 mm-1); L is the slope length factor and S is the slope gradient factor (dimensionless); C is a cover management factor (dimensionless) and P is a support practice factor (dimensionless). Different equations and methodologies can be selected by the user for the calculation of each factor while recommendations and advice can be showed for the suitable use of the tool. It is expected that CREO was a valuable helpful tool in environmental studies associated to olive orchard land use and its further use allows a better understanding of the interaction among the different factors involved, and better access to available

  11. Soil moisture estimation with limited soil characterization for decision making

    NASA Astrophysics Data System (ADS)

    Chanzy, A.; Richard, G.; Boizard, H.; Défossez, P.

    2009-04-01

    Ross model [Ross, 2003, Crevoisier et al, 2009]. To meet the decision support context, we evaluated the model ability of evaluating the soil moisture level in comparison to a moisture threshold that splits soil conditions into desirable and undesirable cases. This threshold depends on soil properties, the farming operation and equipment characteristics. We evaluate the rate of making good decisions using either the TEC model with and without soil moisture measurements or an empirical algorithm that simulate the decision processes followed by farmers, currently. This later is a reference case that allows appreciating the adding value of using soil water transfer models. We found a significant improvement with a rate of success, which increases from 65% with the reference case to 90% when using the model with soil moisture assimilation. Chanzy, A., Mumen M., Richard, G.. (2008), Accuracy of top soil moisture simulation using a mechanistic model with limited soil characterization, Water Resources Research, 44(3), W03432. Crevoisier, D., Chanzy, A., Voltz M. (2009), Evaluation of the Ross Fast Solution of Richards' Equation in Unfavourable Conditions for Standard Finite Element Methods, Advances in Water Ressources, In revision. Ross, P. J. (2003). Modeling soil water and solute transport - Fast, simplified numerical solutions. Agronomy Journal 95:1352-1361.

  12. Unit: Soils, Inspection Pack, National Trial Print.

    ERIC Educational Resources Information Center

    Australian Science Education Project, Toorak, Victoria.

    This second trial edition is a revision of ED 049 929. The core portion of the unit, which is intended for students in grades seven or eight of Australian secondary schools, provides suggestions for activities designed to lead to an understanding of the structure, composition (biotic and abiotic), and origin of soils. Keys are provided for the…

  13. Soil erosion and significance for carbon fluxes in a mountainous Mediterranean-climate watershed.

    PubMed

    Smith, S V; Bullock, S H; Hinojosa-Corona, A; Franco-Vizcaíno, E; Escoto-Rodríguez, M; Kretzschmar, T G; Farfán, L M; Salazar-Ceseña, J M

    2007-07-01

    In topographically complex terrains, downslope movement of soil organic carbon (OC) can influence local carbon balance. The primary purpose of the present analysis is to compare the magnitude of OC displacement by erosion with ecosystem metabolism in such a complex terrain. Does erosion matter in this ecosystem carbon balance? We have used the Revised Universal Soil Loss Equation (RUSLE) erosion model to estimate lateral fluxes of OC in a watershed in northwestern Mexico. The watershed (4900 km2) has an average slope of 10 degrees +/- 9 degrees (mean +/- SD); 45% is >10 degrees, and 3% is >30 degrees. Land cover is primarily shrublands (69%) and agricultural lands (22%). Estimated bulk soil erosion averages 1350 Mg x km(-2) x yr(-1). We estimate that there is insignificant erosion on slopes < 2 degrees and that 20% of the area can be considered depositional. Estimated OC erosion rates are 10 Mg x km(-2) x yr(-1) for areas steeper than 2 degrees. Over the entire area, erosion is approximately 50% higher on shrublands than on agricultural lands, but within slope classes, erosion rates are more rapid on agricultural areas. For the whole system, estimated OC erosion is approximately 2% of net primary production (NPP), increasing in high-slope areas to approximately 3% of NPP. Deposition of eroded OC in low-slope areas is approximately 10% of low-slope NPP. Soil OC movement from erosional slopes to alluvial fans alters the mosaic of OC metabolism and storage across the landscape.

  14. The revised classification of eukaryotes

    PubMed Central

    Adl, Sina M.; Simpson, Alastair. G.; Lane, Christopher E.; Lukeš, Julius; Bass, David; Bowser, Samuel S.; Brown, Matt; Burki, Fabien; Dunthorn, Micah; Hampl, Vladimir; Heiss, Aaron; Hoppenrath, Mona; Lara, Enrique; leGall, Line; Lynn, Denis H.; McManus, Hilary; Mitchell, Edward A. D.; Mozley-Stanridge, Sharon E.; Parfrey, Laura Wegener; Pawlowski, Jan; Rueckert, Sonja; Shadwick, Lora; Schoch, Conrad; Smirnov, Alexey; Spiegel, Frederick W.

    2012-01-01

    This revision of the classification of eukaryotes, which updates that of Adl et al. (2005), retains an emphasis on the protists and incorporates changes since 2005 that have resolved nodes and branches in phylogenetic trees. Whereas the previous revision was successful in re-introducing name stability to the classification, this revision provides a classification for lineages that were then still unresolved. The supergroups have withstood phylogenetic hypothesis testing with some modifications, but despite some progress, problematic nodes at the base of the eukaryotic tree still remain to be statistically resolved. Looking forward, subsequent transformations to our understanding of the diversity of life will be from the discovery of novel lineages in previously under-sampled areas and from environmental genomic information. PMID:23020233

  15. The revised classification of eukaryotes.

    PubMed

    Adl, Sina M; Simpson, Alastair G B; Lane, Christopher E; Lukeš, Julius; Bass, David; Bowser, Samuel S; Brown, Matthew W; Burki, Fabien; Dunthorn, Micah; Hampl, Vladimir; Heiss, Aaron; Hoppenrath, Mona; Lara, Enrique; Le Gall, Line; Lynn, Denis H; McManus, Hilary; Mitchell, Edward A D; Mozley-Stanridge, Sharon E; Parfrey, Laura W; Pawlowski, Jan; Rueckert, Sonja; Shadwick, Laura; Shadwick, Lora; Schoch, Conrad L; Smirnov, Alexey; Spiegel, Frederick W

    2012-09-01

    This revision of the classification of eukaryotes, which updates that of Adl et al. [J. Eukaryot. Microbiol. 52 (2005) 399], retains an emphasis on the protists and incorporates changes since 2005 that have resolved nodes and branches in phylogenetic trees. Whereas the previous revision was successful in re-introducing name stability to the classification, this revision provides a classification for lineages that were then still unresolved. The supergroups have withstood phylogenetic hypothesis testing with some modifications, but despite some progress, problematic nodes at the base of the eukaryotic tree still remain to be statistically resolved. Looking forward, subsequent transformations to our understanding of the diversity of life will be from the discovery of novel lineages in previously under-sampled areas and from environmental genomic information.

  16. Bioindication in Urban Soils in Switzerland

    NASA Astrophysics Data System (ADS)

    Amossé, J.; Le Bayon, C.; Mitchell, E. A. D.; Gobat, J. M.

    2012-04-01

    functionality of urban soils and alluvial soils, used as a natural reference because of their regular physical perturbation by flooding and associated erosion/sedimentation, (iv) evaluation of soil bioindicators (e.g. earthworm, enchytraeid and testate amoebae) for urban soils. The application objective of my research is to introduce bioindicators and their limit values for the future revision of the legal Ordonnance on soils (OSol), and to develop guidelines to improve or to build urban soils with the aim of reaching a sustainable urban ecosystem development.

  17. HEDR modeling approach: Revision 1

    SciTech Connect

    Shipler, D.B.; Napier, B.A.

    1994-05-01

    This report is a revision of the previous Hanford Environmental Dose Reconstruction (HEDR) Project modeling approach report. This revised report describes the methods used in performing scoping studies and estimating final radiation doses to real and representative individuals who lived in the vicinity of the Hanford Site. The scoping studies and dose estimates pertain to various environmental pathways during various periods of time. The original report discussed the concepts under consideration in 1991. The methods for estimating dose have been refined as understanding of existing data, the scope of pathways, and the magnitudes of dose estimates were evaluated through scoping studies.

  18. Revision Process and Practice: A Kindergarten Experience

    ERIC Educational Resources Information Center

    Chase, Maggie

    2012-01-01

    Many educators teach students that are reluctant about the revisions process in writing. However, this longitudinal study follows a group of students from kindergarten through 8th grade who embraced the importance of the revision process. (Contains 8 figures.)

  19. Diet History Questionnaire: Database Revision History

    Cancer.gov

    The following details all additions and revisions made to the DHQ nutrient and food database. This revision history is provided as a reference for investigators who may have performed analyses with a previous release of the database.

  20. Revised Human Health Risk Assessment on Chlorpyrifos

    EPA Pesticide Factsheets

    We have revised our human health risk assessment and drinking water exposure assessment for chlorpyrifos that supported our October 2015 proposal to revoke all food residue tolerances for chlorpyrifos. Learn about the revised analysis.

  1. Opening doors for geophysics in soil sciences

    NASA Astrophysics Data System (ADS)

    Müller, Martin

    Urban soils are subject to strong variations in environmental conditions such as water flow, solute transport, and heat budget. For soil scientists, the effects of the temporal and spatial dynamics of soil moisture distribution on the sorption and release of contaminants is crucial for understanding soil processes.The INTERURBAN research project was formed in 2001 in Berlin, Germany, to study the dynamics of water and materials at urban locations while giving special consideration to spatial heterogeneity organic soil substance, and soil-biological transformation processes. The project is the cooperative effort of six departments of the Technical University of Berlin and the Free University of Berlin; namely, the departments of soil sciences, water quality control, environmental chemistry microbiology soil zoology, and applied geophysics.

  2. Derivation of Soil Ecological Criteria for Copper in Chinese Soils.

    PubMed

    Wang, Xiaoqing; Wei, Dongpu; Ma, Yibing; McLaughlin, Mike J

    2015-01-01

    Considerable information on copper (Cu) ecotoxicity as affected by biological species and abiotic properties of soils has been collected from the last decade in the present study. The information on bioavailability/ecotoxicity, species sensitivity and differences in laboratory and field ecotoxicity of Cu in different soils was collated and integrated to derive soil ecological criteria for Cu in Chinese soils, which were expressed as predicted no effect concentrations (PNEC). First, all ecotoxicity data of Cu from bioassays based on Chinese soils were collected and screened with given criteria to compile a database. Second, the compiled data were corrected with leaching and aging factors to minimize the differences between laboratory and field conditions. Before Cu ecotoxicity data were entered into a species sensitivity distribution (SSD), they were normalized with Cu ecotoxicity predictive models to modify the effects of soil properties on Cu ecotoxicity. The PNEC value was set equal to the hazardous concentration for x% of the species (HCx), which could be calculated from the SSD curves, without an additional assessment factor. Finally, predictive models for HCx based on soil properties were developed. The soil properties had a significant effect on the magnitude of HCx, with HC5 varying from 13.1 mg/kg in acidic soils to 51.9 mg/kg in alkaline non-calcareous soils. The two-factor predictive models based on soil pH and cation exchange capacity could predict HCx with determination coefficients (R2) of 0.82-0.91. The three-factor predictive models--that took into account the effect of soil organic carbon--were more accurate than two-factor models, with R2 of 0.85-0.99. The predictive models obtained here could be used to calculate soil-specific criteria. All results obtained here could provide a scientific basis for revision of current Chinese soil environmental quality standards, and the approach adopted in this study could be used as a pragmatic framework for

  3. Derivation of Soil Ecological Criteria for Copper in Chinese Soils

    PubMed Central

    Wang, Xiaoqing; Wei, Dongpu; Ma, Yibing; McLaughlin, Mike J.

    2015-01-01

    Considerable information on copper (Cu) ecotoxicity as affected by biological species and abiotic properties of soils has been collected from the last decade in the present study. The information on bioavailability/ecotoxicity, species sensitivity and differences in laboratory and field ecotoxicity of Cu in different soils was collated and integrated to derive soil ecological criteria for Cu in Chinese soils, which were expressed as predicted no effect concentrations (PNEC). First, all ecotoxicity data of Cu from bioassays based on Chinese soils were collected and screened with given criteria to compile a database. Second, the compiled data were corrected with leaching and aging factors to minimize the differences between laboratory and field conditions. Before Cu ecotoxicity data were entered into a species sensitivity distribution (SSD), they were normalized with Cu ecotoxicity predictive models to modify the effects of soil properties on Cu ecotoxicity. The PNEC value was set equal to the hazardous concentration for x% of the species (HCx), which could be calculated from the SSD curves, without an additional assessment factor. Finally, predictive models for HCx based on soil properties were developed. The soil properties had a significant effect on the magnitude of HCx, with HC5 varying from 13.1 mg/kg in acidic soils to 51.9 mg/kg in alkaline non-calcareous soils. The two-factor predictive models based on soil pH and cation exchange capacity could predict HCx with determination coefficients (R2) of 0.82–0.91. The three-factor predictive models – that took into account the effect of soil organic carbon – were more accurate than two-factor models, with R2 of 0.85–0.99. The predictive models obtained here could be used to calculate soil-specific criteria. All results obtained here could provide a scientific basis for revision of current Chinese soil environmental quality standards, and the approach adopted in this study could be used as a pragmatic

  4. Results of Using Multimedia Case Studies and Open-Ended Hands-On Design Projects in an "Introduction to Engineering" Course at Hampton University

    ERIC Educational Resources Information Center

    Halyo, Nesim; Le, Qiang

    2011-01-01

    This paper describes the implementation of a revised freshman engineering course, "Introduction to Engineering," at Hampton University and the observations of the instructors during its implementation. The authors collaborated with Auburn University faculty in jointly implementing the same course material at both universities. The revised course…

  5. Effective Publications for Colleges and Universities. Revised Edition.

    ERIC Educational Resources Information Center

    Arden, Kelvin J.; Whalen, William J.

    This guide is intended as an aid in producing effective institutional publications. It addresses: communicating through publications; organizing the publications office; editing and writing techniques; buying printing; the catalog; recruiting and career materials; publications; organizing the annual report; faculty, student, and other handbooks;…

  6. The University Revisioned: An Alternative to Corporate Mis-Education

    ERIC Educational Resources Information Center

    Lustig, Jeff

    2005-01-01

    Corporatization refers not only to the subordination of academic programs to outside business interest, but also to the more troubling intrusion of corporate forms of governance and market criteria of performance into the institution as a whole. In this paper, the author wants to show how this corporatization affects the substance, structure and…

  7. Soft tissue trauma and scar revision.

    PubMed

    Mobley, Steven R; Sjogren, Phayvanh P

    2014-11-01

    Numerous techniques and treatments have been described for scar revision, with most studies focusing on the adult population. A comprehensive review of the literature reveals a paucity of references related specifically to scar revision in children. This review describes the available modalities in pediatric facial scar revision. The authors have integrated current practices in soft tissue trauma and scar revision, including closure techniques and materials, topical therapy, steroid injection, cutaneous laser therapy, and tissue expanders.

  8. Automated revision of CLIPS rule-bases

    NASA Technical Reports Server (NTRS)

    Murphy, Patrick M.; Pazzani, Michael J.

    1994-01-01

    This paper describes CLIPS-R, a theory revision system for the revision of CLIPS rule-bases. CLIPS-R may be used for a variety of knowledge-base revision tasks, such as refining a prototype system, adapting an existing system to slightly different operating conditions, or improving an operational system that makes occasional errors. We present a description of how CLIPS-R revises rule-bases, and an evaluation of the system on three rule-bases.

  9. Conserving Soil.

    ERIC Educational Resources Information Center

    Soil Conservation Service (USDA), Washington, DC.

    Designed as enrichment materials for grades six through nine, this program is an interdisciplinary study of soils. As part of the program students: (1) examine soil organisms; (2) research history of local Native Americans to see how they and others have used the land and its soils; (3) investigate how soils are degraded and how they are conserved…

  10. 24 CFR 968.225 - Budget revisions.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 24 Housing and Urban Development 4 2013-04-01 2013-04-01 false Budget revisions. 968.225 Section... Fewer Than 250 Units) § 968.225 Budget revisions. (a) A PHA shall not incur any modernization cost in excess of the total HUD-approved CIAP budget. A PHA shall submit a budget revision, in a form...

  11. 24 CFR 968.225 - Budget revisions.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 24 Housing and Urban Development 4 2012-04-01 2012-04-01 false Budget revisions. 968.225 Section... Fewer Than 250 Units) § 968.225 Budget revisions. (a) A PHA shall not incur any modernization cost in excess of the total HUD-approved CIAP budget. A PHA shall submit a budget revision, in a form...

  12. 7 CFR 3015.115 - Budget revisions.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 15 2012-01-01 2012-01-01 false Budget revisions. 3015.115 Section 3015.115..., DEPARTMENT OF AGRICULTURE UNIFORM FEDERAL ASSISTANCE REGULATIONS Programmatic Changes and Budget Revisions § 3015.115 Budget revisions. (a) Nonconstruction projects. (1) Except as provided in paragraph (a)(2)...

  13. 7 CFR 3015.115 - Budget revisions.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 15 2013-01-01 2013-01-01 false Budget revisions. 3015.115 Section 3015.115..., DEPARTMENT OF AGRICULTURE UNIFORM FEDERAL ASSISTANCE REGULATIONS Programmatic Changes and Budget Revisions § 3015.115 Budget revisions. (a) Nonconstruction projects. (1) Except as provided in paragraph (a)(2)...

  14. 7 CFR 3015.115 - Budget revisions.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 15 2014-01-01 2014-01-01 false Budget revisions. 3015.115 Section 3015.115..., DEPARTMENT OF AGRICULTURE UNIFORM FEDERAL ASSISTANCE REGULATIONS Programmatic Changes and Budget Revisions § 3015.115 Budget revisions. (a) Nonconstruction projects. (1) Except as provided in paragraph (a)(2)...

  15. 24 CFR 968.225 - Budget revisions.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 24 Housing and Urban Development 4 2011-04-01 2011-04-01 false Budget revisions. 968.225 Section... Fewer Than 250 Units) § 968.225 Budget revisions. (a) A PHA shall not incur any modernization cost in excess of the total HUD-approved CIAP budget. A PHA shall submit a budget revision, in a form...

  16. 7 CFR 3015.115 - Budget revisions.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 15 2011-01-01 2011-01-01 false Budget revisions. 3015.115 Section 3015.115..., DEPARTMENT OF AGRICULTURE UNIFORM FEDERAL ASSISTANCE REGULATIONS Programmatic Changes and Budget Revisions § 3015.115 Budget revisions. (a) Nonconstruction projects. (1) Except as provided in paragraph (a)(2)...

  17. Competencies Revisited: Revising the Overseas ESL Curriculum.

    ERIC Educational Resources Information Center

    Kharde, Linda Smith; Corey, Kathleen

    1986-01-01

    This paper reports on the review and revision of the Overseas Refugee Training Program's curriculum in English as a second language. The discussion focuses on the rationale and guidelines for the revision, the resources used to guide the process, and the criteria used in the selection of competencies. Specific intentions in revising the list of…

  18. 24 CFR 968.225 - Budget revisions.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 24 Housing and Urban Development 4 2010-04-01 2010-04-01 false Budget revisions. 968.225 Section... Fewer Than 250 Units) § 968.225 Budget revisions. (a) A PHA shall not incur any modernization cost in excess of the total HUD-approved CIAP budget. A PHA shall submit a budget revision, in a form...

  19. 7 CFR 3015.115 - Budget revisions.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 15 2010-01-01 2010-01-01 false Budget revisions. 3015.115 Section 3015.115..., DEPARTMENT OF AGRICULTURE UNIFORM FEDERAL ASSISTANCE REGULATIONS Programmatic Changes and Budget Revisions § 3015.115 Budget revisions. (a) Nonconstruction projects. (1) Except as provided in paragraph (a)(2)...

  20. Humeral windows in revision total elbow arthroplasty.

    PubMed

    Peach, Chris A; Salama, Amir; Stanley, David

    2016-04-01

    The use of cortical windows for revision elbow arthroplasty has not previously been widely reported. Their use aids safe revision of a well fixed humeral prosthesis and can be used in the setting of dislocation, periprosthetic fracture or aseptic loosening of the ulnar component. We describe our technique and results of cortical windows in the distal humerus for revision elbow arthroplasty surgery.

  1. Revising: New Essays for Teachers of Writing.

    ERIC Educational Resources Information Center

    Sudol, Ronald A., Ed.

    Intended to help writing teachers better understand how to help students effectively revise their written work, this book contains essays that, as a group, focus on the problem of the definition of revision. The first half of the book discusses the background of revision, while the second half discusses contexts and techniques for application. The…

  2. The evolution of a manual revision.

    PubMed

    Luzinski, Craig

    2012-10-01

    This month, the director of the Magnet Recognition Program® provides an in-depth overview of the Magnet Recognition Program's Application Manual revision process. The history of the 2005 Manual revision, an evidence-based review of the literature, and revisions to the 2008 Manual are key elements of this article.

  3. Air Pollution Primer. Revised Education.

    ERIC Educational Resources Information Center

    Corman, Rena

    This revised and updated book is written to inform the citizens on the nature, causes, and effects of air pollution. It is written in terms familiar to the layman with the purpose of providing knowledge and motivation to spur community action on clean air policies. Numerous charts and drawings are provided to support discussion of air pollution…

  4. Nuffield Chemistry: Revised and Revisited.

    ERIC Educational Resources Information Center

    Dawson, B. E.

    1980-01-01

    Presents data from a survey of schools, colleges, and other institutions and entering candidates for the special GCE examination using Nuffield O-level materials. Examines the effects of curriculum design on subject choice in these institutions. Reviews teacher comments on the publications associated with revision of course materials. (Author/CS)

  5. Modern Indian Psychology. Revised Edition.

    ERIC Educational Resources Information Center

    Bryde, John F.

    Written on the basis of senior Indian verbal relatings collected over a 23-year span, this revised edition on modern Indian psychology incorporates suggestions from Indian students and their teachers, Indian and non-Indian social studies experts, and other Indian people. The book contains 6 major divisions: (1) "Culture and Indian…

  6. How Adults Learn. Revised Edition.

    ERIC Educational Resources Information Center

    Kidd, J. R.

    The book's emphasis is on learning during the years of adulthood and examines present-day practice of adult education for practitioners. This revised edition brings up to date advances in such areas of learning as controversial theory; the effects of environment; sensory processes; intellectual capacities; motivation and attitude; transactional…

  7. Ethical considerations in revision rhinoplasty.

    PubMed

    Wayne, Ivan

    2012-08-01

    The problems that arise when reviewing another surgeon's work, the financial aspects of revision surgery, and the controversies that present in marketing and advertising will be explored. The technological advances of computer imaging and the Internet have introduced new problems that require our additional consideration.

  8. Error Correction, Revision, and Learning

    ERIC Educational Resources Information Center

    Truscott, John; Hsu, Angela Yi-ping

    2008-01-01

    Previous research has shown that corrective feedback on an assignment helps learners reduce their errors on that assignment during the revision process. Does this finding constitute evidence that learning resulted from the feedback? Differing answers play an important role in the ongoing debate over the effectiveness of error correction,…

  9. Standards for Reading Professionals. Revised.

    ERIC Educational Resources Information Center

    International Reading Association, Newark, DE.

    A revision of a 1992 publication, this booklet presents standards intended to assist in the establishment and evaluation of programs of teacher preparation, to guide the assessment of the qualifications of literacy professionals, and to inform private and state agencies, policymakers, and the general public as they shape literacy instruction now…

  10. Revised Accounting for Business Combinations

    ERIC Educational Resources Information Center

    Wilson, Arlette C.; Key, Kimberly

    2008-01-01

    The Financial Accounting Standards Board (FASB) has recently issued Statement of Financial Accounting Standards No. 141 (Revised 2007) Business Combinations. The object of this Statement is to improve the relevance, representational faithfulness, and comparability of reported information about a business combination and its effects. This Statement…

  11. DDN New User Guide. Revision.

    DTIC Science & Technology

    1992-10-01

    it to the sender . Many mail programs allow you to use a local text editor to revise or correct the text of the message you are ptepermg. The mail ...23 5.1 Electronic M ail .................................................. 23 5.1.1 UNIX Mail Examples...25 Sending Mail Via UNIX ........................................ 25 Reading UNIX Mail

  12. Psychometric properties of the revised UCLA Loneliness Scale and two short-form measures of loneliness in Zimbabwe.

    PubMed

    Wilson, D; Cutts, J; Lees, I; Mapungwana, S; Maunganidze, L

    1992-08-01

    The cross-cultural reliability in Zimbabwe of the Revised University of California at Los Angeles (UCLA) Loneliness Scale and two short forms of the Revised UCLA Loneliness Scale were investigated. Subjects comprised a sample of 1,354 adolescents and another sample of 754 adults. The reliability of the Revised UCLA Loneliness Scale was acceptable. The internal consistency of an eight-item short form of the Revised UCLA Loneliness Scale was adequate, but the reliability of a four-item short form was low. Factor analysis of the Revised UCLA Loneliness Scale, which yielded two factors similar to those reported in North America by Zakahi and Duran (1982) supported the construct validity of the Revised UCLA Loneliness Scale in Zimbabwe. The Revised UCLA Loneliness Scale and the eight-item short form were highly correlated, but this association was spuriously elevated by the fact the eight-item short form is part of the full scale. Factor analysis of the eight-item short form suggested that this scale does not consistently reflect the factor structure of the full scale. We concluded that the Revised UCLA Loneliness Scale possesses acceptable reliability and factorial validity in Zimbabwe and that the eight-item version is superior to the four-item form of the Revised UCLA Loneliness Scale as a short loneliness measure. However, additional refinements may be needed to further improve the eight-item short version.

  13. Revision Anterior Cruciate Ligament Reconstruction

    PubMed Central

    Wilde, Jeffrey; Bedi, Asheesh; Altchek, David W.

    2014-01-01

    Context: Reconstruction of the anterior cruciate ligament (ACL) is one of the most common surgical procedures, with more than 200,000 ACL tears occurring annually. Although primary ACL reconstruction is a successful operation, success rates still range from 75% to 97%. Consequently, several thousand revision ACL reconstructions are performed annually and are unfortunately associated with inferior clinical outcomes when compared with primary reconstructions. Evidence Acquisition: Data were obtained from peer-reviewed literature through a search of the PubMed database (1988-2013) as well as from textbook chapters and surgical technique papers. Study Design: Clinical review. Level of Evidence: Level 4. Results: The clinical outcomes after revision ACL reconstruction are largely based on level IV case series. Much of the existing literature is heterogenous with regard to patient populations, primary and revision surgical techniques, concomitant ligamentous injuries, and additional procedures performed at the time of the revision, which limits generalizability. Nevertheless, there is a general consensus that the outcomes for revision ACL reconstruction are inferior to primary reconstruction. Conclusion: Excellent results can be achieved with regard to graft stability, return to play, and functional knee instability but are generally inferior to primary ACL reconstruction. A staged approach with autograft reconstruction is recommended in any circumstance in which a single-stage approach results in suboptimal graft selection, tunnel position, graft fixation, or biological milieu for tendon-bone healing. Strength-of-Recommendation Taxonomy (SORT): Good results may still be achieved with regard to graft stability, return to play, and functional knee instability, but results are generally inferior to primary ACL reconstruction: Level B. PMID:25364483

  14. Career Goal Revision in Response to Negative Feedback: Testing a Longitudinal Cross-Lagged Model.

    PubMed

    Hu, Shi; Creed, Peter A; Hood, Michelle

    2017-02-06

    We tested a model based on goal-setting and self-regulation theories of the cross-lagged relationships among negative career-related feedback, negative affect (career-related stress), and career goal revision (downward goal revision and goal disengagement). Participants were 409 Chinese university/college students (Mage 19 years; 58% female), who completed a survey at 2 time points approximately 6 months apart. Consistent with our hypotheses, negative career-related feedback at T1 was related to more career goal disengagement and greater downward goal revision at T2. Career-related stress partially mediated the relationship between negative career-related feedback and downward goal revision. In addition, there were reverse relationships between negative career-related feedback and career-related stress, and between career-related stress and goal disengagement. These findings highlight important roles for negative career-related feedback and negative affect in young peoples' career goal pursuit. (PsycINFO Database Record

  15. Relativistic timescale analysis suggests lunar theory revision

    NASA Technical Reports Server (NTRS)

    Deines, Steven D.; Williams, Carol A.

    1995-01-01

    The SI second of the atomic clock was calibrated to match the Ephemeris Time (ET) second in a mutual four year effort between the National Physical Laboratory (NPL) and the United States Naval Observatory (USNO). The ephemeris time is 'clocked' by observing the elapsed time it takes the Moon to cross two positions (usually occultation of stars relative to a position on Earth) and dividing that time span into the predicted seconds according to the lunar equations of motion. The last revision of the equations of motion was the Improved Lunar Ephemeris (ILE), which was based on E. W. Brown's lunar theory. Brown classically derived the lunar equations from a purely Newtonian gravity with no relativistic compensations. However, ET is very theory dependent and is affected by relativity, which was not included in the ILE. To investigate the relativistic effects, a new, noninertial metric for a gravitated, translationally accelerated and rotating reference frame has three sets of contributions, namely (1) Earth's velocity, (2) the static solar gravity field and (3) the centripetal acceleration from Earth's orbit. This last term can be characterized as a pseudogravitational acceleration. This metric predicts a time dilation calculated to be -0.787481 seconds in one year. The effect of this dilation would make the ET timescale run slower than had been originally determined. Interestingly, this value is within 2 percent of the average leap second insertion rate, which is the result of the divergence between International Atomic Time (TAI) and Earth's rotational time called Universal Time (UT or UTI). Because the predictions themselves are significant, regardless of the comparison to TAI and UT, the authors will be rederiving the lunar ephemeris model in the manner of Brown with the relativistic time dilation effects from the new metric to determine a revised, relativistic ephemeris timescale that could be used to determine UT free of leap second adjustments.

  16. Revision Anterior Cruciate Ligament Reconstruction in Military Personnel.

    PubMed

    Balazs, George C; Grimm, Patrick D; Donohue, Michael A; Keblish, David J; Rue, John-Paul

    2016-08-01

    This study aims to report the clinical and functional outcomes of revision anterior cruciate ligament (ACL) reconstruction in a young, active duty military population. Patients undergoing revision ACL reconstruction were enrolled in an institutional clinical database and followed prospectively. The primary outcomes were patients' scores on a timed run, as compared with recorded scores before reinjury. Secondary outcomes included scores on the Knee Injury and Osteoarthritis Outcome Score (KOOS), the Western Ontario and McMaster Universities Arthritis Index (WOMAC), the International Knee Documentation Committee subjective (IKDC subjective), the Short Form - 36 health survey (SF-36) version 2, the Single Assessment Numeric Evaluation (SANE), and the Tegner activity scale. A total of 13 patients were identified who met the inclusion criteria and had complete follow-up. The mean age at revision ACL reconstruction was 20.5 years (range, 19-22 years), and mean follow-up was 40.2 months (range, 13-66 months). All patients underwent a single stage revision ACL reconstruction with ipsilateral bone-patellar tendon-bone autograft, ipsilateral hamstring autograft, or bone-tendon-bone allograft. Mean physical readiness test (PRT) score at final follow-up was not statistically different than documented preinjury PRT score (77.9 vs. 85.5, p > 0.05), nor was the mean run time (7:12 vs. 6:43/mile, p > 0.05). Significant improvements exceeding published minimal clinically important differences were seen in SANE score, SF-36 physical component summary score, KOOS sports and recreation, KOOS quality of life, WOMAC pain score, and WOMAC function score. Patients undergoing revision ACL reconstruction at our facility show good recovery of baseline physical performance as measured by the semiannual PRT and timed run test, and significant improvements in patient-reported outcome scores. Level of Evidence Level IV, case series.

  17. Universal Usability

    NASA Astrophysics Data System (ADS)

    Horton, Sarah; Leventhal, Laura

    Universal usability of World Wide Web (Web) environments—that is, having 90% of households as successful users—requires universal access, usability, and universal design. Factors such as Web technology and user-centered design contribute to universal access and usability, but key to universal usability is a universal design methodology. Universal design principles for the Web follow from universal design principles for the built environment, and emphasize perceptibility, self-explanation, and tailorability for the user. Universally usable Web environments offer the benefit of expanded participation, as well as the unanticipated benefits that generally follow from innovative design initiatives. However, to achieve Web universal usability, Web designers need tools that facilitate the design of intuitive interfaces without sacrificing universal access.

  18. Forest Cover Change and Soil Erosion in Toledo's Rio Grande Watershed

    NASA Astrophysics Data System (ADS)

    Chicas, S.; Omine, K.

    2015-04-01

    Toledo, the southernmost district, is the hub of Belize's Mayan population, descendants of the ancient Mayan civilization. The Toledo District is primarily inhibited by Kekchi and Mopan Mayans whose subsistence needs are met by the Milpa slash-and-burn agricultural system and the extraction of forest resources. The poverty assessment in the country indicates that Toledo is the district with the highest percentage of household an individual indigence of 37.5 % and 49.7 % respectively. Forest cover change in the area can be attributed to rapid population growth among the Maya, together with increase in immigration from neighboring countries, logging, oil exploration and improvement and construction of roads. The forest cover change analysis show that from 2001 to 2011 there was a decrease of Lowland broad-leaved wet forest of 7.53 km sq, Shrubland of 4.66 km sq, and Wetland of 0.08 km sq. Forest cover change has resulted in soil erosion which is causing the deterioration of soils. The land cover types that are contributing the most to total erosion in the Rio Grande watershed are no-forest, lowland broad-leaved wet forest and submontane broad-leaved wet forest. In this study the Revised Universal Soil Loss Equation (RUSLE) was employed in a GIS platform to quantify and assess forest cover change and soil erosion. Soil erosion vulnerability maps in Toledo's Rio Grande watershed were also created. This study provides scientifically sound information in order to understand and respond effectively to the impacts of soil erosion in the study site.

  19. Revised seismic and geologic siting regulations for nuclear power plants

    SciTech Connect

    Murphy, A.J.; Chokshi, N.C.

    1997-02-01

    The primary regulatory basis governing the seismic design of nuclear power plants is contained in Appendix A to Part 50, General Design Criteria for Nuclear Power Plants, of Title 10 of the Code of Federal Regulations (CFR). General Design Criteria (GDC) 2 defines requirements for design bases for protection against natural phenomena. GDC 2 states the performance criterion that {open_quotes}Structures, systems, and components important to safety shall be designed to withstand the effects of natural phenomena such as earthquakes, . . . without loss of capability to perform their safety functions. . .{close_quotes}. Appendix A to Part 100, Seismic and Geologic Siting Criteria for Nuclear Power Plants, has been the principal document which provided detailed criteria to evaluate the suitability of proposed sites and suitability of the plant design basis established in consideration of the seismic and geologic characteristics of the proposed sites. Appendix A defines required seismological and geological investigations and requirements for other design conditions such as soil stability, slope stability, and seismically induced floods and water waves, and requirements for seismic instrumentation. The NRC staff is in the process of revising Appendix A. The NRC has recently revised seismic siting and design regulations for future applications. These revisions are discussed in detail in this paper.

  20. Soil experiment

    NASA Technical Reports Server (NTRS)

    Hutcheson, Linton; Butler, Todd; Smith, Mike; Cline, Charles; Scruggs, Steve; Zakhia, Nadim

    1987-01-01

    An experimental procedure was devised to investigate the effects of the lunar environment on the physical properties of simulated lunar soil. The test equipment and materials used consisted of a vacuum chamber, direct shear tester, static penetrometer, and fine grained basalt as the simulant. The vacuum chamber provides a medium for applying the environmental conditions to the soil experiment with the exception of gravity. The shear strength parameters are determined by the direct shear test. Strength parameters and the resistance of soil penetration by static loading will be investigated by the use of a static cone penetrometer. In order to conduct a soil experiment without going to the moon, a suitable lunar simulant must be selected. This simulant must resemble lunar soil in both composition and particle size. The soil that most resembles actual lunar soil is basalt. The soil parameters, as determined by the testing apparatus, will be used as design criteria for lunar soil engagement equipment.

  1. Making University Financial Reports Informative and Meaningful.

    ERIC Educational Resources Information Center

    Gilmore, Robert B.

    1970-01-01

    The National Association of College and University Business Officers has taken major strides toward meeting the responsibility for establishing accounting and public reporting standards within the field of higher education. The need for improvement in the reporting procedures has been generally agreed on. It is imperative that revision of the…

  2. College & University Business Administration. Fourth Edition.

    ERIC Educational Resources Information Center

    Welzenbach, Lanora F., Ed.

    This revised handbook sponsored by the National Association of College and University Business Officers (NACUBO) is seen as the authoritative reference for higher education administrators because it reflects the consensus of the profession, achieved through systematic and thorough review by hundreds of business officers. The book is divided into…

  3. Long-Term Clinical Outcomes and Survivorship of Revision Total Knee Arthroplasty with Use of a Constrained Condylar Knee Prosthesis.

    PubMed

    Kim, Young-Hoo; Park, Jang-Won; Kim, Jun-Shik; Oh, Hyun-Keun

    2015-10-01

    The purpose of this study was to determine long-term clinical and radiographic results. One hundred and ninety-four patients (228 knees) underwent revision TKA with use of a constrained condylar knee prosthesis. The mean duration of follow-up was 14.6 years (range, 11 to 16 years). The mean pre-revision Knee Society knee scores (43.5 points) and function scores (47.0 points), and Western Ontario and McMaster Universities Osteoarthritis index scores (88 points) were improved significantly (P=0.002) to 85.6, 68.5, and 25 points, respectively, at 14.6 years follow-up. Eighteen knees (8%) had re-revision. Four knees were re-revised for infection. Kaplan-Meier survivorship analysis revealed that the 16-year rate of survival of the components was 94.7% as the end point of loosening and 92% as the end point of revision.

  4. Coupling a high resolution soil erosion model with an agro-ecosystem model of SOC dynamics. An approach to assess the potential environmental effect of the new Common Agricultural Policy on soil degradation

    NASA Astrophysics Data System (ADS)

    Borrelli, Pasqualle; Paustian, Keith; Panagos, Panos; Jones, Arwyn; Schütt, Brigitta; Lugato, Emanuele

    2016-04-01

    At the European Union level, the main mechanisms to promote a more sustainable and environmentally friendly agriculture was introduced by the Common Agricultural Policy (CAP) reform in 2003, through the Cross-compliance. According to this new regulation, the farmer support payments were regulated with respect to environmental, animal welfare and food safety standards. This brought to the Good Agricultural and Environmental Conditions (GAEC), firstly established by Council Regulation No. 1782/2003 and subsequently Council Regulation (EC) No 73/2009. The prevention of soil erosion and maintenance of soil organic matter were two of GAEC requirements, which each Member State was obliged to address through national standards such as: i) minimal soil cover maintenance (GAEC 4); ii) minimum land management reflecting site specific conditions to limit soil loss (GAEC 5) and iii) maintenance of soil organic matter level through appropriate practices including ban on burning arable stubbles (GAEC 6). Although Member States are required to verify whether the farmers are compliant with the regulations (Cross-compliance), the environmental effect of Good Agricultural and Environmental Conditions (GAEC) applications on erosion and carbon budgets are still little known and studied. To investigate the potential impacts of the GAEC, we coupled a high resolution erosion model based on Revised Universal Soil Loss Equation (RUSLE) with the CENTURY biogeochemical model (Land Use Policy, 50, 408-421; 2016). The Italian arable land was selected as a study area, since it is well-known to be highly sensitive to soil erosion. Multi scenario modelling approach was undertaken, i.e., i) a baseline scenario without scenario excluding GAEC (pre 2003 period); ii) a present scenario including the current GAEC standards (post 2003 period), and iii) a technical potential scenario assuming that the GAEC standards were applied to the entire Italian arable land. The results show a 10.8% decrease, from

  5. Soil Ecology

    NASA Astrophysics Data System (ADS)

    Killham, Ken

    1994-04-01

    Soil Ecology is designed to meet the increasing challenge faced by today's environmental scientists, ecologists, agriculturalists, and biotechnologists for an integrated approach to soil ecology. It emphasizes the interrelations among plants, animals, and microbes, by first establishing the fundamental physical and chemical properties of the soil habitat and then functionally characterizing the major components of the soil biota and some of their most important interactions. The fundamental principles underpinning soil ecology are established and this then enables an integrated approach to explore and understand the processes of soil nutrient (carbon, nitrogen, and phosphorus) cycling and the ecology of extreme soil conditions such as soil-water stress. Two of the most topical aspects of applied soil ecology are then selected. First, the ecology of soil pollution is examined, focusing on acid deposition and radionuclide pollution. Second, manipulation of soil ecology through biotechnology is discussed, illustrating the use of pesticides and microbial inocula in soils and pointing toward the future by considering the impact of genetically modified inocula on soil ecology.

  6. Ephemeral gully: soil control factors

    NASA Astrophysics Data System (ADS)

    Ollobarren, Paul; Giménez, Rafael; Ángel Campo, Miguel; Casalí, Javier

    2014-05-01

    Soil erosion on hillslopes has been divided traditionally into sheet, rill, and (ephemeral) gully erosion. In sheet erosion, a relatively shallow overland flow acts on a hillslope and removes sediment particles uniformly from the land surface. Usually, rill erosion occur in uncertain points within sloping surfaces, whereas gullies occur in more specific places in the landscapes, i.e., within topographic swales or hollows. So that, current models for prediction of (ephemeral) gully initiation and development rely mainly on topographic factors while soil conditions are almost neglected. However, the assessment of the erodibility of soil materials is essential for analyzing and properly modeling gully erosion. But, despite the wealth of studies to characterize soil vulnerability to (gully) erosion, a universal approach is still lacking. This is due to the complexity of soil conditions and erosion phenomenon and their interactions. A useful and feasible soil characterization for gully erosion prediction at large scale should be based on simple, quick, repeatable and relatively inexpensive tests to perform. This work proposes a methodology for conducting simple tests in the field and laboratory to detect soil conditions prone to gully initiation. This approach for assessing soil erodibility includes the use of vane shear apparatus, penetrometers and a mini-rain simulator as well as some current (modified) laboratory tests for assessing soil crustability and erodibility. A pool of simple soil variables to assess soils prone to gully development is proposed. Among the main variables we have the granulometric composition of the top soil (textural fractions and gravel), organic matter content, soil cohesiveness and relative sensitivity of topsoils for crusting. Our finding may be particularly useful for erosion modelling when gully initiation and development do not largely rely on topographic features but in soil conditions.

  7. Clean Air Act. Revision 5

    SciTech Connect

    Not Available

    1994-02-15

    This Reference Book contains a current copy of the Clean Air Act, as amended, and those regulations that implement the statute and appear to be most relevant to DOE activities. The document is provided to DOE and contractor staff for informational purposes only and should not be interpreted as legal guidance. This Reference Book has been completely revised and is current through February 15, 1994.

  8. Revision IPAA: strategies for success.

    PubMed

    Larson, David W

    2014-07-01

    The history of ileal pouch-anal anastomosis (IPAA) is one of success with durable surgical and functional results. However, pouch failure, due to infection, mechanical, or functional disability, represents a challenge to both surgeon and patient. Practicing surgeons who deal with the revision pouch face a variety of challenges. Success requires a strategy, which includes critical planning, preparation, and surgical techniques in order that surgeons continue to provide solutions and hope to patients.

  9. Creating a University for the 21st Century: Strategic Plan

    ERIC Educational Resources Information Center

    North Dakota University System, 2005

    2005-01-01

    This document presents the strategic plan of the North Dakota University System, revised in November 2005, to develop a common vision and clear set of expectations for higher education in North Dakota. The strategic plan for the University System is directly linked to the Roundtable on Higher Education plan. This document presents the ten sections…

  10. Academic Advising Handbook, 1994-95: Houston Baptist University.

    ERIC Educational Resources Information Center

    Ford, Jerry

    This handbook is a revised guide for faculty academic advisors at Houston Baptist University (HBU), a liberal arts university in Houston, Texas. The handbook is divided into three sections. The first section, "Academic Advising Research Data," discusses assumptions about the practice of advising and its role in higher education, various…

  11. How Proficiency-Pairing Affects Students' Peer-Mediated Revisions of EFL Writing: Three Case Studies

    ERIC Educational Resources Information Center

    Wang, Weiqiang

    2015-01-01

    The present study reports on a teacher's classroom-based research into the influence of proficiency-pairing on students' peer-mediated draft revisions. Three students of an EFL writing course at a Chinese university, who formed into peer dyads with their classmates voluntarily, participated in the study. Throughout the EFL writing course, they…

  12. Large Group Problem-Based Learning: A Revision from Traditional to Pharmaceutical Care-Based Therapeutics.

    ERIC Educational Resources Information Center

    Winslade, Nancy

    1994-01-01

    The process of revising a University of Toronto (Canada) final-year undergraduate pharmacy therapeutics course to incorporate the principles of pharmaceutical care and problem-based learning is detailed. The final course outline and results of a course evaluation are also included. (MSE)

  13. The Career Futures Inventory-Revised: Measuring Dimensions of Career Adaptability

    ERIC Educational Resources Information Center

    Rottinghaus, Patrick J.; Buelow, Kristine L.; Matyja, Anna; Schneider, Madalyn R.

    2012-01-01

    This study reports the development and initial validation of the "Career Futures Inventory-Revised" (CFI-R) in two large samples of university students. The 28-item CFI-R assesses aspects of career adaptability, including positive career planning attitudes, general outcome expectations, and components of Parsons' tripartite model and…

  14. 76 FR 6564 - Florida: Final Authorization of State Hazardous Waste Management Program Revisions

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-02-07

    ... AGENCY 40 CFR Part 271 Florida: Final Authorization of State Hazardous Waste Management Program Revisions... waste management program. We granted authorization for changes to their program on December 1, 1987.... (No Checklist) Standards for 72 FR 35666, 06/ 62-730.185(1) F.A.C. Universal Waste Management....

  15. 76 FR 34200 - Land Disposal Restrictions: Revision of the Treatment Standards for Carbamate Wastes

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-06-13

    ... AGENCY 40 CFR Parts 268 and 271 RIN 2050-AG65 Land Disposal Restrictions: Revision of the Treatment...) treatment standards for hazardous wastes from the production of carbamates and carbamate commercial chemical... action proposes to remove the carbamate Regulated Constituents from the table of Universal...

  16. Defense Nuclear Agency Reaction Rate Handbook. Second Edition. Revision Number 6

    DTIC Science & Technology

    1972-03-01

    257 (1972). 17-55. Gilmore, F. R., J. Quant. Spectry. Radiative Transfer S_t 369(1965). 17-56. Herzberg , G., Electronic Spectra of...1F»O •BBS • \\ CHAPTER 19 19. NEUTRAL REACTIONS Frederick Kaufman, University of Pittsburgh (Latest Revision 14 May 1975) o 19.1

  17. Building an Institute for Triple Helix Research Innovation in the Pacific Region. Revision

    DTIC Science & Technology

    2008-10-01

    to single organizations , partnerships, cities, regions, and globally ( Preese , 2004). As part of its foundational research program, the Institute...Investigator and any Associates) CONTRACTING ORGANIZATION : UCERA University...Contracting Organization ) REPORT DATE: October 2008 (Enter month and year, i.e., January 2001) TYPE OF REPORT: Annual (Revised) (Enter

  18. [Davis Campus Academic Plan and Statistical Supplement, Revised 1967-1968.

    ERIC Educational Resources Information Center

    California Univ., Davis.

    This 1967-1968 revision of an academic plan that was approved in 1962 deals with the distinctive features of the University of California at Davis, its general objectives, and the plans for attaining stated goals. The introduction presents a brief historical background of the campus, including its distinctive features, growth, and problems. The…

  19. Revisioning a School Administrator Preparation Program: A North Carolina Case Study

    ERIC Educational Resources Information Center

    Phillips, Joy C.

    2013-01-01

    This article provides a descriptive case study of the process used at one of North Carolina's public universities to respond to a state-mandated "revisioning" directive for educational leadership preparation programs. The case provides an overview of the state educational leadership policy context, discussion of state and local support…

  20. Measuring Change in Career Counseling: Validation of the "Career Futures Inventory-Revised"

    ERIC Educational Resources Information Center

    Rottinghaus, Patrick J.; Eshelman, Alec; Gore, Jonathan S.; Keller, Kari J.; Schneider, Madalyn; Harris, Kristine L.

    2017-01-01

    This retrospective chart review study examined the factor structure of the "Career Futures Inventory-Revised" (CFI-R; Rottinghaus et al. in "J Career Assess" 20:123-139, 2012) and its utility as a career counseling outcome measure using a sample of 332 clients from a university career center. The CFI-R examines career agency…

  1. Using Multidimensional Scaling to Improve Functionality of the Revised Learning Process Questionnaire

    ERIC Educational Resources Information Center

    Socha, Alan; Sigler, Ellen A.

    2012-01-01

    The "Revised Learning Process Questionnaire" has been part of the development of a conceptual understanding of how students learn and what motivates them to engage in particular tasks. We obtained responses from 329 student volunteers at a mid-sized public university in the southeast USA. We first investigated whether the psychometric…

  2. Profile Analysis via Multidimensional Scaling for the "Revised Two-Factor Learning Process Questionnaire"

    ERIC Educational Resources Information Center

    Socha, Alan; Sigler, Ellen A.

    2011-01-01

    The "Revised Learning Process Questionnaire" has been part of the development of a conceptual understanding of how students learn and what motivates them to engage in particular tasks. We obtained responses from 329 student volunteers at a mid-sized public university in the southeast United States. While looking at the psychometric…

  3. Emerging Marriage: One Story of Learning Sciences and Instructional Systems as a Possible Revisioned Future

    ERIC Educational Resources Information Center

    Carr-Chellman, Alison A.

    2016-01-01

    This article explores the potentials for symbiotic partnering between traditional Instructional Systems and Learning Sciences disciplines. This confluence is explored through a narrative discussion of the changes happening at Penn State University over the past decade leading that program toward a name change, curricular revisions, new hiring…

  4. Weathering and soil erosion at watershed scale in St. John, US Virgin Islands.

    NASA Astrophysics Data System (ADS)

    Gudiño, Napoleón; Kretzschmar, Thomas; Gray, Sarah

    2015-04-01

    Human activities may increase soil erosion and the delivery of land-based sediment into coastal waters from steep sub-tropical islands. These changes may also affect water-rock interaction, which alters the geochemistry of storm-water and the clay mineralogy of eroded sediments. The purpose of this analysis is to compare storm-water, sediment geochemistry and modeled erosion rates between developed and undeveloped watersheds on Saint John, United States Virgin Islands (USVI). The saturation index was calculated by "The Geochemist's Workbench", supported by X-Ray diffraction on clay minerals. The Revised and Modified Universal Soil Loss Equations were used to estimate both annual mean (2010) and storm-event (Hurricane Otto) based erosion rates. Relative concentration of illite was higher in Coral Bay. Calculated RUSLE/MUSLE-based erosion rates were higher for the developed compared to the undeveloped watersheds. Results of this investigation suggest that rural/urban development of watersheds may increase the weathering, soil erosion and coastal sedimentation causing a negative effect on the marine ecosystem in St. John USVI.

  5. Discovering the essence of soil

    NASA Astrophysics Data System (ADS)

    Frink, D.

    2012-04-01

    Science, and what it can learn, is constrained by its paradigms and premises. Similarly, teaching and what topics can be addressed are constrained by the paradigms and premises of the subject matter. Modern soil science is founded on the five-factor model of Dokuchaev and Jenny. Combined with Retallack's universal definition of soil as geologic detritus affected by weathering and/or biology, modern soil science emphasizes a descriptive rather than an interpretive approach. Modern soil science however, emerged from the study of plants and the need to improve crop yields in the face of chronic and wide spread famine in Europe. In order to teach that dirt is fascinating we must first see soils in their own right, understand their behavior and expand soil science towards an interpretive approach rather than limited as a descriptive one. Following the advice of James Hutton given over two centuries ago, I look at soils from a physiological perspective. Digestive processes are mechanical and chemical weathering, the resulting constituents reformed into new soil constituents (e.g. clay and humus), translocated to different regions of the soil body to serve other physiological processes (e.g. lamellae, argillic and stone-line horizons), or eliminated as wastes (e.g. leachates and evolved gasses). Respiration is described by the ongoing and diurnal exchange of gasses between the soil and its environment. Circulatory processes are evident in soil pore space, drainage capacity and capillary capability. Reproduction of soil is evident at two different scales: the growth of clay crystals (with their capacity for mutation) and repair of disturbed areas such as result from the various pedo-perturbations. The interactions between biotic and abiotic soil components provide examples of both neurological and endocrine systems in soil physiology. Through this change in perspective, both biotic and abiotic soil processes become evident, providing insight into the possible behavior of

  6. Brown University.

    ERIC Educational Resources Information Center

    CAUSE/EFFECT, 1984

    1984-01-01

    The computing at Brown University was formalized in 1960. Computing history, current university computing, and a description of the Institute for Research in Information and Scholarship are discussed. The installation of a broadband communications network (BRUNET) was recently completed. (MLW)

  7. Revision rhinoplasty for the Asian nose.

    PubMed

    Lam, Samuel M

    2008-08-01

    Revision rhinoplasty of the Asian nose requires a combination of cultural sensitivity and unique surgical strategies to achieve a successful outcome. Cultural sensitivity means understanding some of the folkloric motivations to undergo rhinoplasty and divergent ethnic standards of beauty. Basic techniques for Asian rhinoplasty are reviewed as a prerequisite knowledge for revision rhinoplasty of the Asian nose, specifically a combination technique of expanded polytetrafluoroethylene for bridge augmentation and autogenous cartilage tip grafting. Revision Asian nose surgery oftentimes involves removal of a previously placed solid silicone implant, which remains the most popular option for augmentation rhinoplasty in Asia. Strategies for revision rhinoplasty in the Asian nose are then reviewed.

  8. Scotland's Universities.

    ERIC Educational Resources Information Center

    Bell, R. E.

    2000-01-01

    Examines the Scottish university tradition and the origins and particulars of Scottish-Anglo differences in higher education. Discusses the 19th-century growth of Scottish universities, which lacked formal entrance requirements; students' rights and power in the university; academic degrees awarded; relationship with the state; and student…

  9. Impact of conservation agriculture on catchment runoff and soil loss under changing climate conditions in May Zeg-zeg (Ethiopia)

    NASA Astrophysics Data System (ADS)

    Lanckriet, Sil; Araya, Tesfay; Cornelis, Wim; Verfaillie, Els; Poesen, Jean; Govaerts, Bram; Bauer, Hans; Deckers, Jozef; Haile, Mitiku; Nyssen, Jan

    2012-12-01

    SummaryThis study evaluates the practice of conservation agriculture (CA) in the May Zeg-zeg catchment (MZZ; 187 ha) in the North Ethiopian Highlands as a soil management technique for reducing soil loss and runoff, and assesses the consequences of future large-scale implementation on soil and hydrology at catchment-level. The study of such practice is important especially under conditions of climate change, since EdGCM (Educational Global Climate Model) simulation predicts by 2040 an increase in precipitation by more than 100 mm yr-1 in the study area. Firstly, field-saturated infiltration rates, together with soil texture and soil organic carbon contents, were measured. The relation with local topography allows to generate a pedotransfer function for field-saturated infiltration rate, and spatial interpolation with Linear Regression Mapping was used to map field-saturated infiltration rates optimally within the catchment. Secondly, on several farmlands, CA was checked against plain tillage (PT) for values of field-saturated infiltration rates, soil organic carbon, runoff and soil loss. Results show no significant differences for infiltration rates but significant differences for runoff and soil loss (as measured in the period 2005-2011). Runoff coefficients were 30.4% for PT and 18.8% for CA; soil losses were 35.4 t ha-1 yr-1 for PT and 14.4 t ha-1 yr-1 for CA. Thirdly, all collected information was used to predict future catchment hydrological response for full-implementation of CA under the predicted wetter climate (simulation with EdGCM). Curve Numbers for farmlands with CA were calculated. An area-weighted Curve Number allows the simulation of the 2011 rainy season runoff, predicting a total runoff depth of 23.5 mm under CA and 27.9 mm under PT. Furthermore, the Revised Universal Soil Loss Equation management factor P was calibrated for CA. Results also show the important influence of increased surface roughness on water ponding, modeled with a hydrologic

  10. Seasonality of soil erosion under mediterranean conditions at the Alqueva Dam watershed.

    PubMed

    Ferreira, Vera; Panagopoulos, Thomas

    2014-07-01

    The Alqueva reservoir created the largest artificial lake of Western Europe in 2010. Since then, the region has faced challenges due to land-use changes that may increase the risk of erosion and shorten the lifetime of the reservoir, increasing the need to promote land management sustainability. This paper investigates the aspect of seasonality of soil erosion using a comprehensive methodology that integrates the Revised Universal Soil Loss Equation (RUSLE) approach, geographic information systems, geostatistics, and remote-sensing. An experimental agro-silvo pastoral area (typical land-use) was used for the RUSLE factors update. The study confirmed the effect of seasonality on soil erosion rates under Mediterranean conditions. The highest rainfall erosivity values occurred during the autumn season (433.6 MJ mm ha(-1) h(-1)), when vegetation cover is reduced after the long dry season. As a result, the autumn season showed the highest predicted erosion (9.9 t ha(-1)), contributing 65 % of the total annual erosion. The predicted soil erosion for winter was low (1.1 t ha(-1)) despite the high rainfall erosivity during that season (196.6 MJ mm ha(-1) h(-1)). The predicted annual soil loss was 15.1 t ha(-1), and the sediment amount delivery was 4,314 × 10(3) kg. Knowledge of seasonal variation would be essential to outline sustainable land management practices. This model will be integrated with World Overview of Conservation Approaches and Technologies methods to support decision-making in that watershed, and it will involve collaboration with both local people and governmental institutions.

  11. Seasonality of Soil Erosion Under Mediterranean Conditions at the Alqueva Dam Watershed

    NASA Astrophysics Data System (ADS)

    Ferreira, Vera; Panagopoulos, Thomas

    2014-07-01

    The Alqueva reservoir created the largest artificial lake of Western Europe in 2010. Since then, the region has faced challenges due to land-use changes that may increase the risk of erosion and shorten the lifetime of the reservoir, increasing the need to promote land management sustainability. This paper investigates the aspect of seasonality of soil erosion using a comprehensive methodology that integrates the Revised Universal Soil Loss Equation (RUSLE) approach, geographic information systems, geostatistics, and remote-sensing. An experimental agro-silvo pastoral area (typical land-use) was used for the RUSLE factors update. The study confirmed the effect of seasonality on soil erosion rates under Mediterranean conditions. The highest rainfall erosivity values occurred during the autumn season (433.6 MJ mm ha-1 h-1), when vegetation cover is reduced after the long dry season. As a result, the autumn season showed the highest predicted erosion (9.9 t ha-1), contributing 65 % of the total annual erosion. The predicted soil erosion for winter was low (1.1 t ha-1) despite the high rainfall erosivity during that season (196.6 MJ mm ha-1 h-1). The predicted annual soil loss was 15.1 t ha-1, and the sediment amount delivery was 4,314 × 103 kg. Knowledge of seasonal variation would be essential to outline sustainable land management practices. This model will be integrated with World Overview of Conservation Approaches and Technologies methods to support decision-making in that watershed, and it will involve collaboration with both local people and governmental institutions.

  12. The revised Flat Galaxy Catalogue.

    NASA Astrophysics Data System (ADS)

    Karachentsev, I. D.; Karachentseva, V. E.; Kudrya, Yu. N.; Sharina, M. E.; Parnovskij, S. L.

    The authors present a new improved and completed version of the Flat Galaxy Catalogue (FGC) named the Revised Flat Galaxy Catalogue (RFGC) containing 4236 thin edge-on spiral galaxies and covering the whole sky. The Catalogue is intended to study large-scale cosmic streamings as well as other problems of observational cosmology. The dipole moment of distribution of the RFGC galaxies (l = 273°, b = +19°) lies within statistical errors (±10°) in the direction of the Local Group motion towards the Microwave Background Radiation.

  13. Revision and product generation software

    USGS Publications Warehouse

    ,

    1997-01-01

    The U.S. Geological Survey (USGS) developed revision and product generation (RevPG) software for updating digital line graph (DLG) data and producing maps from such data. This software is based on ARC/INFO, a geographic information system from Environmental Systems Resource Institute (ESRI). RevPG consists of ARC/INFO Arc Macro Language (AML) programs, C routines, and interface menus that permit operators to collect vector data using aerial images, to symbolize the data on-screen, and to produce plots and color-separated files for use in printing maps.

  14. Revision and Product Generation Software

    USGS Publications Warehouse

    ,

    1999-01-01

    The U.S. Geological Survey (USGS) developed revision and product generation (RevPG) software for updating digital line graph (DLG) data and producing maps from such data. This software is based on ARC/INFO, a geographic information system from Environmental Systems Resource Institute (ESRI). RevPG consists of ARC/INFO Arc Macro Language (AML) programs, C routines, and interface menus that permit operators to collect vector data using aerial images, to symbolize the data onscreen, and to produce plots and color-separated files for use in printing maps.

  15. [Spinal column: implants and revisions].

    PubMed

    Krieg, S M; Meyer, H S; Meyer, B

    2016-03-01

    Non-fusion spinal implants are designed to reduce the commonly occurring risks and complications of spinal fusion surgery, e.g. long duration of surgery, high blood loss, screw loosening and adjacent segment disease, by dynamic or movement preserving approaches. This principle could be shown for interspinous spacers, cervical and lumbar total disc replacement and dynamic stabilization; however, due to the continuing high rate of revision surgery, the indications for surgery require as much attention and evidence as comparative data on the surgical technique itself.

  16. Food safety: revising the statute.

    PubMed

    Kessler, D A

    1984-03-09

    There is increasing recognition that federal food safety laws and policies need to be revised. Congressional debate on proposed amendments to the Food, Drug, and Cosmetic Act has generated several different perspectives on how the food safety laws should be changed. Before a consensus can be reached, scientists, regulators, the food industry, and consumers will have to review such complex and controversial issues as the level of acceptable risk, the value of risk-benefit analysis, the proper role of independent scientific review, and the reliability of quantitative risk assessment.

  17. 42 CFR 405.1889 - Effect of a revision; issue-specific nature of appeals of revised determinations and decisions.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 42 Public Health 2 2010-10-01 2010-10-01 false Effect of a revision; issue-specific nature of appeals of revised determinations and decisions. 405.1889 Section 405.1889 Public Health CENTERS FOR... revision; issue-specific nature of appeals of revised determinations and decisions. (a) If a revision...

  18. 42 CFR 405.1889 - Effect of a revision; issue-specific nature of appeals of revised determinations and decisions.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 42 Public Health 2 2012-10-01 2012-10-01 false Effect of a revision; issue-specific nature of appeals of revised determinations and decisions. 405.1889 Section 405.1889 Public Health CENTERS FOR... revision; issue-specific nature of appeals of revised determinations and decisions. (a) If a revision...

  19. 42 CFR 405.1889 - Effect of a revision; issue-specific nature of appeals of revised determinations and decisions.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 42 Public Health 2 2011-10-01 2011-10-01 false Effect of a revision; issue-specific nature of appeals of revised determinations and decisions. 405.1889 Section 405.1889 Public Health CENTERS FOR... revision; issue-specific nature of appeals of revised determinations and decisions. (a) If a revision...

  20. 42 CFR 405.1889 - Effect of a revision; issue-specific nature of appeals of revised determinations and decisions.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 42 Public Health 2 2014-10-01 2014-10-01 false Effect of a revision; issue-specific nature of appeals of revised determinations and decisions. 405.1889 Section 405.1889 Public Health CENTERS FOR... revision; issue-specific nature of appeals of revised determinations and decisions. (a) If a revision...

  1. 42 CFR 405.1889 - Effect of a revision; issue-specific nature of appeals of revised determinations and decisions.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 42 Public Health 2 2013-10-01 2013-10-01 false Effect of a revision; issue-specific nature of appeals of revised determinations and decisions. 405.1889 Section 405.1889 Public Health CENTERS FOR... revision; issue-specific nature of appeals of revised determinations and decisions. (a) If a revision...

  2. BOREAS TE-2 NSA Soil Lab Data

    NASA Technical Reports Server (NTRS)

    Veldhuis, Hugo; Hall, Forrest G. (Editor); Knapp, David E. (Editor)

    2000-01-01

    This data set contains the major soil properties of soil samples collected in 1994 at the tower flux sites in the Northern Study Area (NSA). The soil samples were collected by Hugo Veldhuis and his staff from the University of Manitoba. The mineral soil samples were largely analyzed by Barry Goetz, under the supervision of Dr. Harold Rostad at the University of Saskatchewan. The organic soil samples were largely analyzed by Peter Haluschak, under the supervision of Hugo Veldhuis at the Centre for Land and Biological Resources Research in Winnipeg, Manitoba. During the course of field investigation and mapping, selected surface and subsurface soil samples were collected for laboratory analysis. These samples were used as benchmark references for specific soil attributes in general soil characterization. Detailed soil sampling, description, and laboratory analysis were performed on selected modal soils to provide examples of common soil physical and chemical characteristics in the study area. The soil properties that were determined include soil horizon; dry soil color; pH; bulk density; total, organic, and inorganic carbon; electric conductivity; cation exchange capacity; exchangeable sodium, potassium, calcium, magnesium, and hydrogen; water content at 0.01, 0.033, and 1.5 MPascals; nitrogen; phosphorus: particle size distribution; texture; pH of the mineral soil and of the organic soil; extractable acid; and sulfur. These data are stored in ASCII text files. The data files are available on a CD-ROM (see document number 20010000884), or from the Oak Ridge National Laboratory (ORNL) Distributed Active Archive Center (DAAC).

  3. Differentiating adaptive and maladaptive perfectionism on the MMPI-2 and MIPS revised.

    PubMed

    Rice, Kenneth G; Stuart, Jennifer

    2010-03-01

    Although conceptualizations of perfectionism have emphasized adaptive as well as maladaptive expressions of the construct, how these different dimensions or types of perfectionists might be reflected in comprehensive personality assessment instruments is unknown. An initial sample of 267 university students completed the Minnesota Multiphasic Personality Inventory-2 (MMPI-2; Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 2001), Millon Index of Personality Styles Revised (MIPS-R; Millon, 2004), and Almost Perfect Scale-Revised (Slaney, Mobley, Trippi, Ashby, & Johnson, 1996). Analyses indicated that dimensions and types of perfectionism were associated, in expected directions, with select scores on the MMPI-2 and MIPS-R.

  4. 78 FR 44559 - Effective Date of Revised Company Registration Requirements

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-24

    ... Energy Regulatory Commission Effective Date of Revised Company Registration Requirements AGENCY: Federal... of the Revised Company Registration Requirements. The Commission issued a Notice in the Federal..., anthony.barracchini@ferc.gov . SUPPLEMENTARY INFORMATION: Notice of Effective Date of Revised...

  5. Revision of IAU Style Manual

    NASA Astrophysics Data System (ADS)

    Wilkins, G. A.

    The 1989 edition of the "IAU Style Manual" is in need of revision to reflect the changes in practice that have taken place since its preparation. These changes include the use of desk-top systems for the production of high-quality copy, the electronic transmission of text with embedded typesetting codes and the electronic publication of papers and reports, which may contain numerical data and images. The Manual should give advice and recommendations about the new procedures and typographical formats, but it is more important than ever that it should give clear and appropriate recommendations on matters that affect the quality of the content of all astronomical publications. The Manual should provide especially for the needs of astronomers who do not have English as their first language and it should include advice to them on the oral presentation of their papers. The editor. G. A. Wilkins, would be pleased to have the assistance of astronomers and others who are concerned with the quality of astronomical publications and who would be willing to participate in any aspect of the revision.

  6. Universal Design in Higher Education: From Principles to Practice. Second Edition

    ERIC Educational Resources Information Center

    Burgstahler, Sheryl E., Ed.

    2015-01-01

    This second edition of the classic "Universal Design in Higher Education" is a comprehensive, up-to-the-minute guide for creating fully accessible college and university programs. The second edition has been thoroughly revised and expanded, and it addresses major recent changes in universities and colleges, the law, and technology. As…

  7. Thinking Styles and University Self-Efficacy among Deaf, Hard-of-Hearing, and Hearing Students

    ERIC Educational Resources Information Center

    Cheng, Sanyin; Zhang, Li-Fang; Hu, Xiaozhong

    2016-01-01

    This study explores how students' thinking styles are related to their university self-efficacy, by administering the Thinking Styles Inventory-Revised II and the University Self-Efficacy Scale to 366 deaf or hard-of-hearing (DHH) and 467 hearing university students in mainland China. Results showed that, among all participants, those with Type I…

  8. Milgrom's revision of cosmic dynamics: Amending Newton's laws or Keplers

    SciTech Connect

    Felten, J.E.

    1983-12-01

    Milgrom's recent revision of Newtonian dynamics was introduced to eliminate the inference that large quantities of invisible mass exist in galaxies. Simple examples show that a Milgrom acceleration, in the form presented so far, imply other far-reaching changes in dynamics. The momentum of an isolated system is not conserved, and the usual theorem for center-of-mass motion of any system does not hold. Naive applications require extreme caution. The model fails to provide a complete description of particle dynamics and should be thought of as a revision of Kepler's laws rather than Newton's. The Milgrom acceleration also implies fundamental changes in cosmology. A quasi-Newtonian calculation adapted from Newtonian cosmology suggests that a Milgrom universe will recollapse even if the classical closure parameter theta is less than 1. The solution, however, fails to satisfy the cosmological principle. Reasons for the breakdown of this calculation are examined. A theory of gravitation needed before the behavior of a Milgrom universe can be predicted.

  9. Milgrom's revision of cosmic dynamics: Amending Newton's laws or Keplers?

    NASA Technical Reports Server (NTRS)

    Felten, J. E.

    1983-01-01

    Milgrom's recent revision of Newtonian dynamics was introduced to eliminate the inference that large quantities of invisible mass exist in galaxies. Simple examples show that a Milgrom acceleration, in the form presented so far, imply other far-reaching changes in dynamics. The momentum of an isolated system is not conserved, and the usual theorem for center-of-mass motion of any system does not hold. Naive applications require extreme caution. The model fails to provide a complete description of particle dynamics and should be thought of as a revision of Kepler's laws rather than Newton's. The Milgrom acceleration also implies fundamental changes in cosmology. A quasi-Newtonian calculation adapted from Newtonian cosmology suggests that a Milgrom universe will recollapse even if the classical closure parameter theta is less than 1. The solution, however, fails to satisfy the cosmological principle. Reasons for the breakdown of this calculation are examined. A theory of gravitation needed before the behavior of a Milgrom universe can be predicted.

  10. Milgrom's revision of Newton's laws - Dynamical and cosmological consequences

    NASA Technical Reports Server (NTRS)

    Felten, J. E.

    1984-01-01

    Milgrom's (1983) recent revision of Newtonian dynamics was introduced to eliminate the inference that large quantities of invisible mass exist in galaxies. It is shown by simple examples that a Milgrom acceleration, in the form presented so far, implies other far-reaching changes in dynamics. The momentum of an isolated system is not conserved, and the usual theorem for center-of-mass motion of any system does not hold. Naive applications require extreme caution. The model fails to provide a complete description of particle dynamics and should be thought of as a revision of Kepler's laws rather than Newton's. The Milgrom acceleration also implies fundamental changes in cosmology. A quasi-Newtonian calculation adapted from Newtonian cosmology suggests that a 'Milgrom universe' will recollapse even if the classical closure parameter Omega is much less than unity. The solution, however, fails to satisfy the cosmological principle. Reasons for the breakdown of this calculation are examined. A new theory of gravitation will be needed before the behavior of a Milgrom universe can be predicted.

  11. Regulatory guidance on soil cover systems

    SciTech Connect

    Kane, J.D.

    1991-12-31

    The US Nuclear Regulatory Commission (NRC) in September 1991, completed revisions to 14 sections of the Standard Review Plan (SRP) for the Review of a License Application for a Low-Level Radioactive Waste Disposal Facility. The major purposes of the SRP are to ensure the quality and uniformity of the NRC staff`s safety reviews, and to present a well-defined base from which to evaluate the acceptability of information and data provided in the Safety Analysis Report (SAR) portion of the license application. SRP 3.2, entitled, Design Considerations for Normal and Abnormal/Accident Conditions, was one of the sections that was revised by the NRC staff. This revision was completed to provide additional regulatory guidance on the important considerations that need to be addressed for the proper design and construction of soil cover systems that are to be placed over the LLW. The cover system over the waste is acknowledged to be one of the most important engineered barriers for the long-term stable performance of the disposal facility. The guidance in revised SRP 3.2 summarizes the previous efforts and recommendations of the US Army Corps of Engineers (COE), and a peer review panel on the placement of soil cover systems. NRC published these efforts in NUREG/CR-5432. The discussions in this paper highlight selected recommendations on soil cover issues that the NRC staff considers important for ensuring the safe, long-term performance of the soil cover systems. The development phases to be discussed include: (1) cover design; (2) cover material selection; (3) laboratory and field testing; (4) field placement control and acceptance; and (5) penetrations through the constructed covers.

  12. SOIL AND FILL LABORATORY SUPPORT - 1991

    EPA Science Inventory

    The report gives results of soil analysis laboratory work by the University of Florida in Support of the Florida Radon Research Program (FRRP). Analyses were performed on soil and fill samples collected during 1991 by the FRRP Research House program and the New House Evaluation P...

  13. 76 FR 4258 - Occupational Radiation Protection; Revision

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-01-25

    ... Part 835 RIN 1901-AA-95 Occupational Radiation Protection; Revision AGENCY: Department of Energy...) proposes to revise the values in an appendix to its Occupational Radiation Protection requirements. The... requirements in title 10, Code of Federal Regulations, part 835 (10 CFR part 835), Occupational...

  14. Sequenced Peer Revision: Creating Competence and Community

    ERIC Educational Resources Information Center

    Bowman, Ingrid K.; Robertson, John

    2013-01-01

    Mastering techniques of self- and peer revision is a valuable tool for all writers, especially US-educated Generation 1.5 students, whose near fluency enables them to dialogue successfully about their writing. Using action research, 2 academic writing instructors systematically trained students to more responsibly and effectively revise their…

  15. 25 CFR 276.14 - Budget revision.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 25 Indians 1 2014-04-01 2014-04-01 false Budget revision. 276.14 Section 276.14 Indians BUREAU OF... UNIFORM ADMINISTRATIVE REQUIREMENTS FOR GRANTS § 276.14 Budget revision. Criteria and procedures to be followed by grantees in reporting deviations from grant budgets and requesting approval for...

  16. 25 CFR 276.14 - Budget revision.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 25 Indians 1 2013-04-01 2013-04-01 false Budget revision. 276.14 Section 276.14 Indians BUREAU OF... UNIFORM ADMINISTRATIVE REQUIREMENTS FOR GRANTS § 276.14 Budget revision. Criteria and procedures to be followed by grantees in reporting deviations from grant budgets and requesting approval for...

  17. 25 CFR 276.14 - Budget revision.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 25 Indians 1 2012-04-01 2011-04-01 true Budget revision. 276.14 Section 276.14 Indians BUREAU OF... UNIFORM ADMINISTRATIVE REQUIREMENTS FOR GRANTS § 276.14 Budget revision. Criteria and procedures to be followed by grantees in reporting deviations from grant budgets and requesting approval for...

  18. 25 CFR 276.14 - Budget revision.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 25 Indians 1 2011-04-01 2011-04-01 false Budget revision. 276.14 Section 276.14 Indians BUREAU OF... UNIFORM ADMINISTRATIVE REQUIREMENTS FOR GRANTS § 276.14 Budget revision. Criteria and procedures to be followed by grantees in reporting deviations from grant budgets and requesting approval for...

  19. The Teacher Observation Form: Revisions and Updates

    ERIC Educational Resources Information Center

    Peters, Scott J.; Gates, Jillian C.

    2010-01-01

    This article discusses the original development and subsequent updates and revisions made to the Teacher Observation Form (TOF). The TOF is a 12-item form to be used by evaluators in the observation of teachers of gifted and talented students. After nearly 25 years of use, the original TOF was revised based on input from content experts and…

  20. 25 CFR 276.14 - Budget revision.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 25 Indians 1 2010-04-01 2010-04-01 false Budget revision. 276.14 Section 276.14 Indians BUREAU OF... UNIFORM ADMINISTRATIVE REQUIREMENTS FOR GRANTS § 276.14 Budget revision. Criteria and procedures to be followed by grantees in reporting deviations from grant budgets and requesting approval for...

  1. 48 CFR 315.307 - Proposal revisions.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 48 Federal Acquisition Regulations System 4 2010-10-01 2010-10-01 false Proposal revisions. 315.307 Section 315.307 Federal Acquisition Regulations System HEALTH AND HUMAN SERVICES CONTRACTING METHODS AND CONTRACT TYPES CONTRACTING BY NEGOTIATION Source Selection 315.307 Proposal revisions....

  2. How Mind Works To Revise Compositions.

    ERIC Educational Resources Information Center

    Lin, Deh-nan

    This study investigated cognitive processes involved in English-as-a-Second-Language (ESL) students' correcting and revising drafts after receiving oral feedback from their teachers, noting factors that led to better written products and factors that did not improve student writing. The study examined what kinds of revision strategies students…

  3. Evaluating Writing: Effects of Feedback on Revision.

    ERIC Educational Resources Information Center

    Chaudron, Craig

    The effect of evaluation method on English as second language (ESL) learners' revisions of their compositions was investigated. Teacher comments, peer evaluations, and English-speaking peer reformulations were compared. Judges rated the revised compositions of 9 advanced and 14 intermediate college ESL students using the ESL Composition Profile.…

  4. Revised State Budget Sells Kids Short

    ERIC Educational Resources Information Center

    Children Now, 2012

    2012-01-01

    The Administration's May Revision of the 2012-2013 state budget addresses a $15.7 billion shortfall through funding shifts, cuts, and new revenue sources that place children squarely in harms way. California's kids are already grossly underserved relative to the rest of the nation's children. If the May Revise budget is passed by the Legislature,…

  5. (Contaminated soil)

    SciTech Connect

    Siegrist, R.L.

    1991-01-08

    The traveler attended the Third International Conference on Contaminated Soil, held in Karlsruhe, Germany. The Conference was a status conference for worldwide research and practice in contaminated soil assessment and environmental restoration, with more than 1500 attendees representing over 26 countries. The traveler made an oral presentation and presented a poster. At the Federal Institute for Water, Soil and Air Hygiene, the traveler met with Dr. Z. Filip, Director and Professor, and Dr. R. Smed-Hildmann, Research Scientist. Detailed discussions were held regarding the results and conclusions of a collaborative experiment concerning humic substance formation in waste-amended soils.

  6. Effects of lip revision surgery on long-term orosensory function in patients with cleft lip/palate.

    PubMed

    Essick, Greg; Phillips, Ceib; Chung, Yunro; Trotman, Carroll-Ann

    2013-09-01

    OBJECTIVE : To determine whether secondary lip revision surgery impacts sensitivity of the upper lip. DESIGN : A three-group, parallel, prospective, nonrandomized clinical trial. SETTING : University of North Carolina School of Dentistry. PATIENTS, PARTICIPANTS : Three groups: (1) patients with repaired cleft lip/palate who were scheduled for lip revision (revision; N = 20); (2) patients with repaired cleft lip/palate who did not receive a lip revision (non-revision; N = 13); and (3) non-cleft control subjects (non-cleft; N = 22). Interventions : Lip revision surgery. MAIN OUTCOME MEASURES : Measures of (1) two-point perception threshold (two-point), (2) warmth detection threshold (warm), and (3) cool detection threshold (cool) were obtained from two sites on the upper lip vermilion. The revision participants were tested approximately 1 week before surgery and then approximately 3 and 12 months after surgery. The non-revision and non-cleft participants were tested at similar times. RESULTS : There were no significant differences among the three groups at baseline for two-point, warm, or cool. The main effects of group, age, sex, and time were not statistically significant for the two-point or warm (p > .05). The mean differences between the 3- and 12-month follow-up visits and baseline for two-point and warm were small for all three groups. For cool, group was statistically significant (p = .04), the difference in the non-revision group between follow-up and baseline was 31% to 34% higher than in the non-cleft group (p = .01). CONCLUSIONS : Although at postsurgery revision participants exhibited threshold values comparable to presurgical values, the sensory differences observed among subgroups of participants with cleft lip are complex.

  7. African Universities Tackle the Continent's Agricultural Crisis

    ERIC Educational Resources Information Center

    Lindow, Megan

    2009-01-01

    Pests, population growth, and depleted soil have wreaked havoc on agriculture in Africa, so universities across the continent are rethinking how they teach the topic. Some African universities have been building their own networks and pooling their limited resources to train more agricultural scientists and improve their responsiveness to the…

  8. 77 FR 73454 - Revision of Information Collection; Comment Request

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-12-10

    ... requirements; revise the Grant Application Narrative questions to clarify new concepts; Simplify language and... alignment between narrative sections and the performance measures work plans. The proposed revisions do...

  9. Baby universes.

    NASA Astrophysics Data System (ADS)

    Strominger, Andrew

    The following sections are included: * INTRODUCTION * TOPOLOGY CHANGE AND THIRD QUANTIZATION IN 0+1 DIMENSIONS * Third Quantization of Free One-dimensional Universes * Third Quantization of Interacting One-Dimensional Universes * The Single-Universe Approximation and Dynamical Determination of Coupling Constants * The Third Quantized Uncertainty Principle * THIRD QUANTIZATION IN 3+1 DIMENSIONS * The Gauge Invariant Action * Relation to Other Formalisms * PARENT AND BABY UNIVERSES * The Hybrid Action * Baby Universe Field Operators and Spacetime Couplings * INSTANTONS-FROM QUANTUM MECHANICS TO QUANTUM GRAVITY * Quantum Mechanics * Quantum Field Theory * Quantum Gravity * Axionic Instantons * The Small Expansion Parameter * THE AXION MODEL AND THE INSTANTON APPROXIMATION * THE COSMOLOGICAL CONSTANT * The Hawking-Baum Argument * Baby Universes and Coleman's Argument * ACKNOWLEDGEMENTS * REFERENCES

  10. Dying: A universal human experience?

    PubMed

    Bregman, L

    1989-03-01

    This paper explores the question, "Is there a universal psychological experience suffered by all dying persons?" a question to which the popular theory of Kübler-Ross presupposes an affirmative answer. Our answer takes three steps: first, a comparison between the Kübler-Ross model of dying and that of the late medievalBook of the Craft of Dying centered upon the five Kübler-Ross "stages"; second, a philosophical critique of the terms of this comparison; and third, a revised look at the alleged similarities between the two models, providing a deeper look at the moral and spiritual assumptions behind each.

  11. Laparoscopic revision surgery for gastroesophageal reflux disease

    PubMed Central

    Celasin, Haydar; Genc, Volkan; Celik, Suleyman Utku; Turkcapar, Ahmet Gökhan

    2017-01-01

    Abstract Laparoscopic antireflux surgery is a frequently performed procedure for the treatment of gastroesophageal reflux in surgical clinics. Reflux can recur in between 3% and 30% of patients on whom antireflux surgery has been performed, and so revision surgery can be required due to recurrent symptoms or dysphagia in approximately 3% to 6% of the patients. The objective of this study is to evaluate the mechanism of recurrences after antireflux surgery and to share our results after revision surgery in recurrent cases. From 2001 to 2014, revision surgery was performed on 43 patients (31 men, 12 women) between the ages of 24 and 70 years. The technical details of the first operation, recurrence symptoms, endoscopy, and manometry findings were evaluated. The findings of revision surgery, surgical techniques, morbidity rates, length of hospitalization, and follow-up period were also recorded and evaluated. The first operation was Nissen fundoplication in 34 patients and Toupet fundoplication in 9 patients. Mesh hiatoplasty was performed for enforcement in 18 (41.9%) of these patients. The period between the first operation and the revision surgery ranged from 4 days to 60 months. The most common finding was slipped fundoplication and presence of hiatal hernia during revision surgery. Revision fundoplication and hernia repair with mesh reinforcement were used in 33 patients. The other techniques were Collis gastroplasty, revision fundoplication, and hernia repair without mesh. The range of follow-up period was from 2 to 134 months. Recurrence occurred in 3 patients after revision surgery (6.9%). Although revision surgery is difficult and it has higher morbidity, it can be performed effectively and safely in experienced centers. PMID:28072725

  12. Estimating Soil Loss Using ASTER and Diffuse Reflectance Spectrometry: a Case Study of the Village of Kambi ya Simba in Northern Tanzania's Rift Valley Highlands

    NASA Astrophysics Data System (ADS)

    Cervone, C. W.; Gilmore, M. S.

    2004-05-01

    Since the inception of the Universal Soil Loss Equation, methods based primarily on factors of rainfall energy, slope, surface cover, and soil quality have been used to predict rates of soil erosion over small areas. It is widely recognized, however, that the USLE and similar equations (e.g., the Revised USLE and SLEMSA) fail to provide accurate predictions of soil loss for larger, more heterogeneous areas and thus, in such instances, they can only be used qualitatively. They also require expensive laboratory analysis of soils and detailed field measurements, putting them beyond the reach of many farmers; this is especially true in developing countries, where such assessments are most needed. Using a 40 sq-km Tanzanian village as a case study, this paper presents methods derived from soil loss equations for rapid, qualitative assessment of soil loss risk using ASTER images and digital elevation model (DEM), and diffuse reflectance spectrometry in the field. Two multispectral ASTER images (one before harvests - June 2002 - and one after - October 2002) were used to map the village's soil types and land use. A total of 100 topsoil samples were collected in the field, georeferenced, and scanned under a spectrometer (wavelengths 0.35 to 2.5 microns) from which a set of 10 samples was selected for laboratory analysis of grain size, org. C, N, and K. Laboratory results were successfully calibrated to the soils' hyperspectral data using partial least squares regression (r-squared values ranged 0.84 to 0.98) and used to predict soil quality indicators for the entire set of samples. Averages for quality indicators (clay and org. C only) were then matched with their corresponding soil and land use types and paired with pixels containing ASTER DEM-generated slope values (30m x 30m resolution) and post-harvest, ASTER NDVI-derived cover estimates (15m x 15m resolution). Results show strong correspondence with field observations in terms of identifying areas where gully

  13. The Systems Mapping of Soils

    NASA Astrophysics Data System (ADS)

    Nikiforova, Alexandra; Fleis, Maria; Borisov, Mickail

    2013-04-01

    the maximum possible quantity of thematic, mainly paper, maps, and texts. The hierarchy of the natural landscapes, as well as hierarchy of the properties of their elements, is displayed with the help of an additional line layer containing information about rank-ordered natural boundaries. Currently, polygon systems maps of Saratov oblast in GIS format and paper systems maps of the Nechernozemnaya Zone of the European Russia have been created. Scale of the main topographic maps, which were used, is 1:1,500,000. The systems soil mapping is regarded as a pathway to development of a global soil data infrastructure and universal soil classification system.

  14. Improving Soil Erosion Predictions with 21st Century Data

    Technology Transfer Automated Retrieval System (TEKTRAN)

    As a result of 1930’s Dust Bowl, the U.S. initiated soil erosion and land conservation programs. The Universal Soil Loss (USLE) was one result of this effort and has remained one of the most widely used equations for soil erosion prediction world-wide. This empirical relationship has been incorpor...

  15. Use of fine resolution terrain data in soil loss equations

    Technology Transfer Automated Retrieval System (TEKTRAN)

    The Dust Bowl of the 1930's focused US attention on soil erosion and land conservation. The Universal Soil Loss Equation (USLE) was the result of this effort and has remained one of the most widely used equations for soil erosion prediction world-wide. This empirical relationship has been incorporat...

  16. Radiological control manual. Revision 1

    SciTech Connect

    Kloepping, R.

    1996-05-01

    This Lawrence Berkeley National Laboratory Radiological Control Manual (LBNL RCM) has been prepared to provide guidance for site-specific additions, supplements and interpretation of the DOE Radiological Control Manual. The guidance provided in this manual is one methodology to implement the requirements given in Title 10 Code of Federal Regulations Part 835 (10 CFR 835) and the DOE Radiological Control Manual. Information given in this manual is also intended to provide demonstration of compliance to specific requirements in 10 CFR 835. The LBNL RCM (Publication 3113) and LBNL Health and Safety Manual Publication-3000 form the technical basis for the LBNL RPP and will be revised as necessary to ensure that current requirements from Rules and Orders are represented. The LBNL RCM will form the standard for excellence in the implementation of the LBNL RPP.

  17. Universal Expansion.

    ERIC Educational Resources Information Center

    McArdle, Heather K.

    1997-01-01

    Describes a week-long activity for general to honors-level students that addresses Hubble's law and the universal expansion theory. Uses a discrepant event-type activity to lead up to the abstract principles of the universal expansion theory. (JRH)

  18. Overseas Universities.

    ERIC Educational Resources Information Center

    Inter-University Council for Higher Education Overseas, London (England).

    The following articles and reports are presented in this publication of "Overseas Universities:""Appropriate Technology and University Education," by John Twidell; "The Training of Engineering Staff for Higher Education Institutions in Developing Countries," by D. W. Daniel, C. A. Leal, J. H. Maynes and T. Wilmore;…

  19. University Futures

    ERIC Educational Resources Information Center

    Smith, Richard

    2012-01-01

    Recent radical changes to university education in England have been discussed largely in terms of the arrangements for transferring funding from the state to the student as consumer, with little discussion of what universities are for. It is important, while challenging the economic rationale for the new system, to resist talking about higher…

  20. Innovative Universities.

    ERIC Educational Resources Information Center

    Barsi, Louis M.; Kaebnick, Gweneth W.

    1989-01-01

    The phenomenon of innovation within the university is examined, noting the possibility of innovation as a key to college vitality. A study was conducted using a group of institutions that demonstrated recent innovative spirit. Members of the American Association of State Colleges and Universities (AASCU), each has been recognized in an annual…

  1. Soil biology for resilient healthy soil

    Technology Transfer Automated Retrieval System (TEKTRAN)

    What is a resilient healthy soil? A resilient soil is capable of recovering or adapting to stress; the health of the living/biological component of the soil is crucial for soil resiliency. Soil health is tightly coupled to the concept of soil quality (Text Box 1) and the terms are frequently used ...

  2. Geospatial assessment of bioenergy land use and its impacts on soil erosion in the U.S. Midwest.

    PubMed

    SooHoo, William M; Wang, Cuizhen; Li, Huixuan

    2017-04-01

    Agricultural land use change, especially corn expansion since 2000s, has been accelerating to meet the growing bioenergy demand of the United States. This study identifies the environmentally sensitive lands (ESLs) in the U.S. Midwest using the distance-weighted Revised Universal Soil Loss Equation (RUSLE) associated with bioenergy land uses extracted from USDA Cropland Data Layers. The impacts of soil erosion to downstream wetlands and waterbodies in the river basin are counted in the RUSLE with an inverse distance weighting approach. In a GIS-ranking model, the ESLs in 2008 and 2011 (two representative years of corn expansion) are ranked based on their soil erosion severity in crop fields. Under scenarios of bioenergy land use change (corn to grass and grass to corn) on two land types (ESLs and non-ESLs) at three magnitudes (5%, 10% and 15% change), this study assesses the potential environmental impacts of bioenergy land use at a basin level. The ESL distributions and projected trends vary geographically responding to different agricultural conversions. Results support the idea of re-planting native prairie grasses in the identified High and Severe rank ESLs for sustainable bioenergy management in this important agricultural region.

  3. Alternative Penetrometers to Measure the Near Surface Strength of Soft Seafloor Soils

    DTIC Science & Technology

    2013-09-30

    Strength of Soft Seafloor Soils Mark R. Tufenkjian Department of Civil Engineering, California State University, Los Angeles 5151 State University... seafloor soils. Further the education of participating undergraduate and graduate students by active involvement in research and mentoring activities...accurately measure the near surface shear strength of soft seafloor soils. APPROACH Review current full-flow penetrometer technology: Review technical

  4. Alternative Penetrometers to Measure the Near Surface Strength of Soft Seafloor Soils

    DTIC Science & Technology

    2012-09-30

    Strength of Soft Seafloor Soils Mark R. Tufenkjian Department of Civil Engineering, California State University, Los Angeles 5151 State University... seafloor soils. Further the education of participating undergraduate and graduate students by active involvement in research and mentoring activities...surface shear strength of soft seafloor soils. APPROACH Review current full-flow penetrometer technology: Review technical literature to evaluate

  5. Plant-soil feedbacks from 30-year family-specific soil cultures: phylogeny, soil chemistry and plant life stage

    PubMed Central

    Mehrabi, Zia; Bell, Thomas; Lewis, Owen T

    2015-01-01

    Intraspecific negative feedback effects, where performance is reduced on soils conditioned by conspecifics, are widely documented in plant communities. However, interspecific feedbacks are less well studied, and their direction, strength, causes, and consequences are poorly understood. If more closely related species share pathogens, or have similar soil resource requirements, plants may perform better on soils conditioned by more distant phylogenetic relatives. There have been few empirical tests of this prediction across plant life stages, and none of which attempt to account for soil chemistry. Here, we test the utility of phylogeny for predicting soil feedback effects on plant survival and performance (germination, seedling survival, growth rate, biomass). We implement a full factorial experiment growing species representing five families on five plant family-specific soil sources. Our experiments exploit soils that have been cultured for over 30 years in plant family-specific beds at Oxford University Botanic Gardens. Plant responses to soil source were idiosyncratic, and species did not perform better on soils cultured by phylogenetically more distant relatives. The magnitude and sign of feedback effects could, however, be explained by differences in the chemical properties of “home” and “away” soils. Furthermore, the direction of soil chemistry-related plant-soil feedbacks was dependent on plant life stage, with the effects of soil chemistry on germination success and accumulation of biomass inversely related. Our results (1) suggest that the phylogenetic distance between plant families cannot predict plant–soil feedbacks across multiple life stages, and (2) highlight the need to consider changes in soil chemistry as an important driver of population responses. The contrasting responses at plant life stages suggest that studies focusing on brief phases in plant demography (e.g., germination success) may not give a full picture of plant–soil

  6. Soil on Phoenix's MECA

    NASA Technical Reports Server (NTRS)

    2008-01-01

    This image shows soil delivery to NASA's Phoenix Mars Lander's Microscopy, Electrochemistry and Conductivity Analyzer (MECA). The image was taken by the lander's Surface Stereo Imager on the 131st Martian day, or sol, of the mission (Oct. 7, 2008).

    At the bottom of the image is the chute for delivering samples to MECA's microscopes. It is relatively clean due to the Phoenix team using methods such as sprinkling to minimize cross-contamination of samples. However, the cumulative effect of several sample deliveries can be seen in the soil piles on either side of the chute.

    On the right side are the four chemistry cells with soil residue piled up on exposed surfaces. The farthest cell has a large pile of material from an area of the Phoenix workspace called 'Stone Soup.' This area is deep in the trough at a polygon boundary, and its soil was so sticky it wouldn't even go through the funnel.

    One of Phoenix's solar panels is shown in the background of this image.

    The Phoenix Mission is led by the University of Arizona, Tucson, on behalf of NASA. Project management of the mission is by NASA's Jet Propulsion Laboratory, Pasadena, Calif. Spacecraft development is by Lockheed Martin Space Systems, Denver.

  7. The Salto Talaris XT Revision Ankle Prosthesis.

    PubMed

    Roukis, Thomas S

    2015-10-01

    The Salto Talaris XT Revision Ankle Prosthesis is an anatomically designed fixed-bearing prosthesis available in the United States based on the design of previous Salto systems. The Salto Talaris XT Revision Ankle Prosthesis design optimizes surface area, cortical contact, and ultrahigh-molecular-weight polyethylene conformity. Two tibial component designs, both with the same base plate dimensions, are available, the standard conical fixation plug affixed to a short keel and a long-stemmed version. The author presents an overview of the Salto Talaris XT Revision Ankle Prosthesis surgical technique and pearls for successful application.

  8. Modeling the annual soil erosion rate in the mouth of river Pineios' sub-basin in Thessaly County, Greece.

    NASA Astrophysics Data System (ADS)

    Ilia, Ioanna; Loupasakis, Constantinos; Tsangaratos, Paraskevas

    2015-04-01

    Erosion is a natural - geomorphological phenomenon, active through geological time that is considered as one of the main agents that forms the earth surface. Soil erosion models estimate the rates of soil erosion and provide useful information and guidance for the development of appropriate intervention and soil conservation practices and strategies. A significant number of soil erosion models can be found in literature; however, the most extensively applied model is the Revised Universal Soil Loss Equation (RUSLE) established in 1997 by Renard KG, Foster GR, Weesies GA, McCool DK and Yoder DC. RUSLE is an empirically based model that enables the estimation of the average annual rate of soil erosion for an area of interest providing several alternative scenarios involving cropping systems, management methods and erosion control strategies. According to RUSLE model's specifications five major factors (rainfall pattern, soil type, topography, crop system, and management practices) are utilized for estimating the average annual erosion through the following equation: A=RxKxLxSxCxP, PIC where A is the computed spatial average soil loss and temporal average soil loss per unit area (tons ha-1 year-1), R the rainfall-runoff erosivity factor (MJ mm ha-1h-1 year-1), K the soil erodibility factor (tons h MJ-1 mm-1), L the slope - length factor, S the slope steepness factor, C the cover management factor and P the conservation support practice factor. L, S, C and P factors are all dimensionless. The present study aims to utilize a GIS-based RUSLE model in order to estimate the average annual soil loss rate in the sub-basin extending at the mouth of Pineios river in Thessaly County, Greece. The area covers approximate 775.9 km2 with a mean slope angle of 7.8o. The rainfall data of 39 gauge station from 1980 to 2000 where used in order to predict the rainfall-runoff erosivity factor (R). The K-factor was estimated using soil maps available from the European Soil Portal with a

  9. Universe Awareness

    NASA Astrophysics Data System (ADS)

    Sankatsing Nava, Tibisay; Russo, Pedro

    2015-08-01

    Universe Awareness (UNAWE) is an educational programme coordinated by Leiden University that uses the beauty and grandeur of the Universe to encourage young children, particularly those from an underprivileged background, to have an interest in science and technology and foster their sense of global citizenship from the earliest age.UNAWE's twofold vision uses our Universe to inspire and motivate very young children: the excitement of the Universe provides an exciting introduction to science and technology, while the vastness and beauty of the Universe helps broaden the mind and stimulate a sense of global citizenship and tolerance. UNAWE's goals are accomplished through four main activities: the coordination of a global network of more than 1000 astronomers, teachers and educators from more than 60 countries, development of educational resources, teacher training activities and evaluation of educational activities.Between 2011 and 2013, EU-UNAWE, the European branch of UNAWE, was funded by the European Commission to implement a project in 5 EU countries and South Africa. This project has been concluded successfully. Since then, the global project Universe Awareness has continued to grow with an expanding international network, new educational resources and teacher trainings and a planned International Workshop in collaboration with ESA in October 2015, among other activities.

  10. Real Revision: Authors' Strategies to Share with Student Writers

    ERIC Educational Resources Information Center

    Messner, Kate

    2011-01-01

    How do you show students that revision is more than a classroom exercise to please the teacher? Take them into the real world of writing for publication. In Real Revision, award-winning author and teacher Kate Messner demystifies the revision process for teachers and students alike and provides tried-and-true revision strategies, field tested by…

  11. A Comparative Study of Three Revision Methods in EFL Writing

    ERIC Educational Resources Information Center

    Srichanyachon, Napaporn

    2011-01-01

    In an attempt to explore effective instruction in the English as a Foreign Language (EFL) setting, this study investigated language errors identified by students and teachers in three different revision stages: self-revision, peer revision, and teacher revision. It gave the focus to the effects of the three different methods on learners' writing…

  12. Nevada Test Site Radiological Control Manual. Revision 1

    SciTech Connect

    None, None

    2010-02-09

    This document supersedes DOE/NV/25946--801, “Nevada Test Site Radiological Control Manual,” Revision 0 issued in October 2009. Brief Description of Revision: A minor revision to correct oversights made during revision to incorporate the 10 CFR 835 Update; and for use as a reference document for Tenant Organization Radiological Protection Programs.

  13. A comparison between soil loss evaluation index and the C-factor of RUSLE: a case study in the Loess Plateau of China

    NASA Astrophysics Data System (ADS)

    Zhao, W. W.; Fu, B. J.; Chen, L. D.

    2012-08-01

    Land use and land cover are most important in quantifying soil erosion. Based on the C-factor of the popular soil erosion model, Revised Universal Soil Loss Equation (RUSLE) and a scale-pattern-process theory in landscape ecology, we proposed a multi-scale soil loss evaluation index (SL) to evaluate the effects of land use patterns on soil erosion. We examined the advantages and shortcomings of SL for small watershed (SLsw) by comparing to the C-factor used in RUSLE. We used the Yanhe watershed located on China's Loess Plateau as a case study to demonstrate the utilities of SLsw. The SLsw calculation involves the delineations of the drainage network and sub-watershed boundaries, the calculations of soil loss horizontal distance index, the soil loss vertical distance index, slope steepness, rainfall-runoff erosivity, soil erodibility, and cover and management practice. We used several extensions within the geographic information system (GIS), and AVSWAT2000 hydrological model to derive all the required GIS layers. We compared the SLsw with the C-factor to identify spatial patterns to understand the causes for the differences. The SLsw values for the Yanhe watershed are in the range of 0.15 to 0.45, and there are 593 sub-watersheds with SLsw values that are lower than the C-factor values (LOW) and 227 sub-watersheds with SLsw values higher than the C-factor values (HIGH). The HIGH area have greater rainfall-runoff erosivity than LOW area for all land use types. The cultivated land is located on the steeper slope or is closer to the drainage network in the horizontal direction in HIGH area in comparison to LOW area. The results imply that SLsw can be used to identify the effect of land use distribution on soil loss, whereas the C-factor has less power to do it. Both HIGH and LOW areas have similar soil erodibility values for all land use types. The average vertical distances of forest land and sparse forest land to the drainage network are shorter in LOW area than

  14. Revision total knee arthroplasty using a custom tantalum implant in a patient following multiple failed revisions.

    PubMed

    McNamara, Colin A; Gösthe, Raúl G; Patel, Preetesh D; Sanders, Kristopher C; Huaman, Gustavo; Suarez, Juan C

    2017-03-01

    The number of revision total knee arthroplasty procedures performed annually is increasing and, subsequently, so is the number of patients presenting following a failed revision. Rerevising a total knee arthroplasty after one or more failed revision procedures presents many challenges, including diminished bone stock for prosthetic fixation. "Off the shelf" implants may not offer the best alternative for reconstruction. We present the case of a 55-year-old patient who required a rerevision total knee arthroplasty following multiple failed revisions with severe femoral and tibia bone loss. We describe a novel technique we employed to improve component fixation within the compromised bone stock.

  15. Lead and Copper Rule Revisions White Paper

    EPA Pesticide Factsheets

    The Lead and Copper Rule (LCR) Revisions White Paper provides examples of regulatory options to improve the existing rule. The paper highlights key challenges, opportunities, and analytical issues presented by these options.

  16. Revised Nuffield Chemistry: October 1979 School Survey.

    ERIC Educational Resources Information Center

    Dawson, B. E.

    1980-01-01

    Presents some of the preliminary results of a survey study about the use of both the revised publications and GCE O-Level examinations for Nuffield Chemistry in 495 British schools and colleges in 1979. (HM)

  17. Revised Certification Standards for Pesticide Applicators

    EPA Pesticide Factsheets

    EPA has finalized stronger standards for people who apply restricted use pesticides (RUPs). These revisions to the Certification of Pesticide Applicators rule will reduce the likelihood of harm from the misapplication of toxic pesticides.

  18. New and revised standards for coke production

    SciTech Connect

    G.A. Kotsyuba; M.I. Alpatov; Y.G. Shapoval

    2009-07-15

    The need for new and revised standards for coke production in Ukraine and Russia is outlined. Such standards should address improvements in plant operation, working conditions, environmental protection, energy conservation, fire and explosion safety, and economic indices.

  19. Revision in the Providence Public Schools

    ERIC Educational Resources Information Center

    Shinn, Ridgway F.

    1971-01-01

    Curriculum revision of the school systems K-12 social studies program involves a model built around a geo-historical unit developed through the joint efforts of many specialists. Social science concepts were introduced through an interdisciplinary approach. (CB)

  20. Facial Scar Revision: Understanding Facial Scar Treatment

    MedlinePlus

    ... Contact Us Trust your face to a facial plastic surgeon Facial Scar Revision Understanding Facial Scar Treatment When ... face like the eyes or lips. A facial plastic surgeon has many options for treating and improving facial ...

  1. Facial Scar Revision: Understanding Facial Scar Treatment

    MedlinePlus

    ... Contact Us Trust your face to a facial plastic surgeon Facial Scar Revision Understanding Facial Scar Treatment ... face like the eyes or lips. A facial plastic surgeon has many options for treating and improving ...

  2. Revised Total Coliform Webinar for Primacy Agencies

    EPA Pesticide Factsheets

    This webinar was created to assist Primacy Agencies in the implementation of the Revised Total Coliform Rule. It provides an overview of the requirements in the rule and implementation guidance for Primacy Agencies.

  3. 78 FR 59982 - Revisions to Radiation Protection

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-09-30

    ... From the Federal Register Online via the Government Publishing Office ] NUCLEAR REGULATORY COMMISSION Revisions to Radiation Protection AGENCY: Nuclear Regulatory Commission. ACTION: Standard review... Reports for Nuclear Power Plants: LWR Edition'': Section 12.1, ``Assuring that Occupational...

  4. Bladder tear during revision total hip arthroplasty.

    PubMed

    Grauer, Jonathan N; Halim, Andrea; Keggi, Kristaps J

    2014-08-01

    Total hip arthroplasty (THA) and revision total hip arthroplasty are among the most commonly performed orthopedic procedures. There are many reported complications of THA, but intrapelvic complications are a rare subset. Bladder injuries have infrequently been described in association with this common procedure. We present an unusual case of a bladder tear occurring intraoperatively during a revision THA. It is suspected that the patient's history of multiple prior hip procedures caused adhesions of the bladder to the pelvic floor and predisposed the bladder to injury during acetabular revision. Previous reports of bladder injury relating to THA have described thermal necrosis, component migration, and occasional direct perforation. There are no prior case reports describing bladder tears related to adhesions occurring intraoperatively during revision THA. This case report highlights the importance of surgeon awareness of an unusual complication. In this case, intraoperative and postoperative recognition of a hematuria diagnosis led to the appropriate treatment, and this patient had an acceptable outcome.

  5. Universal Truths.

    ERIC Educational Resources Information Center

    Horgan, John

    1990-01-01

    Described is a symposium of Nobel laureates held in the summer of 1990 to discuss cosmology. Different views on the structure and evolution of the universe are presented. Evidence for different theories of cosmology is discussed. (CW)

  6. Agriculture: Soils

    EPA Pesticide Factsheets

    Productive soils, a favorable climate, and clean and abundant water resources are essential for growing crops, raising livestock, and for ecosystems to continue to provide the critical provisioning services that humans need.

  7. 76 FR 50969 - Further Inquiry Into Four Issues in the Universal Service Lifeline/Link Up Reform and...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-08-17

    ... discount per residential address; revising the definition of Link Up service, as well as the possible... COMMISSION 47 CFR Part 54 Further Inquiry Into Four Issues in the Universal Service Lifeline/Link Up Reform... of Lifeline support to one discount per residential address; revising the definition of Link...

  8. IMPACT OF CRITICAL ANION SOIL SOLUTION CONCENTRATION ON ALUMINUM ACTIVITY IN ALPINE TUNDRA SOIL Andrew Evans, Jr.1 , Michael B. Jacobs2, and Jason R. Janke1, (1) Metropolitan State University of Denver, Dept. of Earth and Atmospheric Sciences, (2) Dept. of Chemistry, Denver, CO, United States.

    NASA Astrophysics Data System (ADS)

    Evans, A.

    2015-12-01

    Soil solution anionic composition can impact both plant and microbial activity in alpine tundra soils by altering biochemical cycling within the soil, either through base cation leaching, or shifts in aluminum controlling solid phases. Although anions play a critical role in the aqueous speciation of metals, relatively few high altitude field studies have examined their impact on aluminum controlling solid phases and aluminum speciation in soil water. For this study, thirty sampling sites were selected on Trail Ridge Road in Rocky Mountain National Park, Estes Park, CO, and sampled during July, the middle of the growing season. Sampling elevations ranged from approximately 3560 - 3710 m. Soil samples were collected to a depth of 15.24 cm, and the anions were extracted using a 2:1 D.I. water to soil ratio. Filtered extracts were analyzed using IC and ICP-MS. Soil solution NO3- concentrations were significantly higher for sampling locations east of Iceberg Pass (EIBP) (mean = 86.94 ± 119.8 mg/L) compared to locations west of Iceberg Pass (WIBP) (mean 1.481 ± 2.444 mg/L). Both F- and PO43- soil solution concentrations, 0.533 and 0.440 mg/L, respectively, were substantially lower, for sampling sites located EIBP, while locations WIBP averaged 0.773 and 0.829 mg/L respectively, for F- and PO43-. Sulfate concentration averaged 3.869 ± 3.059 mg/L for locations EIBP, and 3.891 ± 3.1970 for locations WIBP. Geochemical modeling of Al3+ in the soil solution indicated that a suite of aluminum hydroxyl sulfate minerals controlled Al3+ activity in the alpine tundra soil, with shifts between controlling solid phases occurring in the presence of elevated F- concentrations.

  9. Majestic Universe

    NASA Astrophysics Data System (ADS)

    Brunier, Serge; Dunlop, Storm

    1999-10-01

    Foreword; 1. The history of cosmology; 2. The galaxy, an island in space; 3. A thousand generations of stars; 4. The next supernova; 5. Planets by the billion?; 6. The enigma at the heart of the Milky Way; 7. A sea of galaxies; 8. The architecture of the universe; 9. The Big Bang, and the history of the universe; 10. Gravitational lenses; 11. The mystery of the missing mass; 12. Searching for the ultimate; 13. Towards the cosmological horizon; Appendices; Glossary; Index; Bibliography.

  10. Undulant Universe

    SciTech Connect

    Barenboim, Gabriela; Mena, Olga; Quigg, Chris; /Fermilab

    2004-12-01

    If the equation of state for ''dark energy'' varies periodically, the expansion of the Universe may have undergone alternating eras of acceleration and deceleration. We examine a specific form that survives existing observational tests, does not single out the present state of the Universe as exceptional, and suggests a future much like the matter-dominated past: a smooth expansion without a final inflationary epoch.

  11. Library Binding Manual. Revised Edition.

    ERIC Educational Resources Information Center

    Lakhanpal, S. K.

    This procedural manual is designed to be used in bindery sections in public, university and special libraries. It briefly discusses these general matters: administrative control; selection of a binder; when and what to bind; conventional binding; routines; missing issues; schedule for shipments; temporary binding; rare books, maps and newspapers;…

  12. Continuous Risk Management Course. Revised

    NASA Technical Reports Server (NTRS)

    Hammer, Theodore F.

    1999-01-01

    This document includes a course plan for Continuous Risk Management taught by the Software Assurance Technology Center along with the Continuous Risk Management Guidebook of the Software Engineering Institute of Carnegie Mellon University and a description of Continuous Risk Management at NASA.

  13. Guide to Sources: Music. Revised.

    ERIC Educational Resources Information Center

    Johnson, Melvin W.

    Designed to introduce the student to some of the bibliographic tools used to locate information on music in the Fogler Library at the University of Maine, this guide begins by listing examples of relevant Library of Congress subject headings and providing brief explanations of call numbers and classification systems (Library of Congress and Dewey…

  14. Guide to Sources: Canadiana. Revised.

    ERIC Educational Resources Information Center

    Patterson, Thomas H.

    This guide is a selective introduction to the major research tools in Canadiana found in the Fogler Library at the University of Maine. A brief description and explanation of the card catalog, Library of Congress Subject Headings, Library of Congress Classification System, and the Dewey Decimal System precede the annotated listing of specialized…

  15. Guide to Sources: Advertising. Revised.

    ERIC Educational Resources Information Center

    White, Lucinda M.

    This guide is designed to introduce the student to some of the major sources of advertising information available in the Fogler Library at the University of Maine. A brief description and exploration of the card catalog, Library of Congress Subject Headings, Library of Congress Classification System, and the Dewey Decimal System are included. In…

  16. Guide to Sources: Sociology. Revised.

    ERIC Educational Resources Information Center

    Soifer, Libby P.

    This guide and annotated bibliography is designed to introduce sociology students to the basic research tools in their field that are available in the Fogler Library at the University of Maine. Brief explanations and examples are provided of the relevant Library of Congress subject headings and call numbers used in Fogler Library, as well as the…

  17. Revision of failed humeral head resurfacing arthroplasty

    PubMed Central

    Streubel, Philipp N.; Simone, Juan P.; Cofield, Robert H.; Sperling, John W.

    2016-01-01

    Purpose: The purpose of this study is to assess the outcomes of a consecutive series of patients who underwent revision surgery after humeral head resurfacing (HHR). Our joint registry was queried for all patients who underwent revision arthroplasty for failed HHR at our institution from 2005 to 2010. Eleven consecutive patients (average age 54 years; range 38-69 years) that underwent revision of 11 resurfacing arthroplasties were identified. The primary indication for resurfacing had been osteoarthritis in six, glenoid dysplasia in two, a chondral lesion in two, and postinstability arthropathy in one patient. The indication for revision was pain in 10 and infection in one patient. Seven patients had undergone an average of 1.9 surgeries prior to resurfacing (range 1-3). Materials and Methods: All patients were revised to stemmed arthroplasties, including one hemiarthroplasty, two reverse, and eight anatomic total shoulder arthroplasties at a mean 33 months after primary resurfacing (range 10-131 months). A deltopectoral approach was used in seven patients; four patients required an anteromedial approach due to severe scarring. Subscapularis attenuation was found in four cases, two of which required reverse total shoulder arthroplasty. Bone grafting was required in one glenoid and three humeri. Results: At a mean follow-up of 3.5 years (range 1.6-6.9 years), modified Neer score was rated as satisfactory in five patients and unsatisfactory in six. Abduction and external rotation improved from 73° to 88° (P = 0.32) and from 23° to 32° (P = 0.28) respectively. Reoperation was required in two patients, including one hematoma and one revision for instability. Conclusion: Outcomes of revision of HHR arthroplasty in this cohort did not improve upon those reported for revision of stemmed humeral implants. A comparative study would be required to allow for definitive conclusions to be made. PMID:26980986

  18. Revised FIGO staging system for endometrial cancer.

    PubMed

    Lewin, Sharyn N

    2011-06-01

    In 1988 the International Federation of Gynecologists and Obstetricians (FIGO) developed a surgical staging system for endometrial cancer. The FIGO staging system was recently revised in 2009 to reflect our growing understanding of the natural history of endometrial cancer. In this review, we describe the revised 2009 FIGO staging system for tumors of the uterine corpus and examine the effect of the new changes in the staging criteria.

  19. Soil on Phoenix's TEGA

    NASA Technical Reports Server (NTRS)

    2008-01-01

    This image shows soil on the doors of the Thermal and Evolved Gas Analyzer (TEGA) onboard NASA's Phoenix Mars Lander. The image was taken by the lander's Robotic Arm Camera on the 131st Martian day, or sol, of the mission (Oct. 7, 2008). This sample delivered to TEGA was named 'Rosy Red.'

    The Phoenix Mission is led by the University of Arizona, Tucson, on behalf of NASA. Project management of the mission is by NASA's Jet Propulsion Laboratory, Pasadena, Calif. Spacecraft development is by Lockheed Martin Space Systems, Denver.

  20. HLW system plan - revision 2

    SciTech Connect

    Not Available

    1994-01-14

    The projected ability of the Tank Farm to support DWPF startup and continued operation has diminished somewhat since revision 1 of this Plan. The 13 month delay in DWPF startup, which actually helps the Tank Farm condition in the near term, was more than offset by the 9 month delay in ITP startup, the delay in the Evaporator startups and the reduction to Waste Removal funding. This Plan does, however, describe a viable operating strategy for the success of the HLW System and Mission, albeit with less contingency and operating flexibility than in the past. HLWM has focused resources from within the division on five near term programs: The three evaporator restarts, DWPF melter heatup and completion of the ITP outage. The 1H Evaporator was restarted 12/28/93 after a 9 month shutdown for an extensive Conduct of Operations upgrade. The 2F and 2H Evaporators are scheduled to restart 3/94 and 4/94, respectively. The RHLWE startup remains 11/17/97.

  1. Revised positions for CIG galaxies

    NASA Astrophysics Data System (ADS)

    Leon, S.; Verdes-Montenegro, L.

    2003-12-01

    We present revised positions for the 1051 galaxies belonging to the Karachentseva Catalog of Isolated Galaxies (CIG). New positions were calculated by applying SExtractor to the Digitized Sky Survey CIG fields with a spatial resolution of 1 arcsper 2. We visually checked the results and for 118 galaxies had to recompute the assigned positions due to complex morphologies (e.g. distorted isophotes, undefined nuclei, knotty galaxies) or the presence of bright stars. We found differences between older and newer positions of up to 38 arcsec with a mean value of 2 arcsper 96 relative to SIMBAD and up to 38 arcsec and 2 arcsper 42 respectively relative to UZC. Based on star positions from the APM catalog we determined that the DSS astrometry of five CIG fields has a mean offset in (alpha , delta ) of (-0 arcsper 90, 0 arcsper 93) with a dispersion of 0 arcsper 4. These results have been confirmed using the 2MASS All-Sky Catalog of Point Sources. The intrinsic errors of our method combined with the astrometric ones are of the order of 0 arcsper 5. Full Table 1 is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/411/391

  2. Revision of the DELFIC Particle Activity Module

    SciTech Connect

    Hooper, David A; Jodoin, Vincent J

    2010-09-01

    The Defense Land Fallout Interpretive Code (DELFIC) was originally released in 1968 as a tool for modeling fallout patterns and for predicting exposure rates. Despite the continual advancement of knowledge of fission yields, decay behavior of fission products, and biological dosimetry, the decay data and logic of DELFIC have remained mostly unchanged since inception. Additionally, previous code revisions caused a loss of conservation of radioactive nuclides. In this report, a new revision of the decay database and the Particle Activity Module is introduced and explained. The database upgrades discussed are replacement of the fission yields with ENDF/B-VII data as formatted in the Oak Ridge Isotope Generation (ORIGEN) code, revised decay constants, revised exposure rate multipliers, revised decay modes and branching ratios, and revised boiling point data. Included decay logic upgrades represent a correction of a flaw in the treatment of the fission yields, extension of the logic to include more complex decay modes, conservation of nuclides (including stable nuclides) at all times, and conversion of key variables to double precision for nuclide conservation. Finally, recommended future work is discussed with an emphasis on completion of the overall radiation physics upgrade, particularly for dosimetry, induced activity, decay of the actinides, and fractionation.

  3. The Effects of Face-to-Face and Computer-Mediated Peer Review on EFL Writers' Comments and Revisions

    ERIC Educational Resources Information Center

    Ho, Mei-ching

    2015-01-01

    This study investigates the use of face-to-face and computer-mediated peer review in an English as a Foreign Language (EFL) writing course to examine how different interaction modes affect comment categories, students' revisions, and their perceptions of peer feedback. The participants were an intact class of 13 students at a Taiwanese university.…

  4. Testing Cross's Revised Racial Identity Model: An Examination of the Relationship between Racial Identity and Internalized Racialism.

    ERIC Educational Resources Information Center

    Cokley, Kevin O.

    2002-01-01

    Study tests Cross's revised racial identity model. The relationship between racial identity attitudes and internalized racialism was examined in 153 African American college students attending a historically Black university. Findings indicated that the pre-encounter racial identity attitudes of miseducation and self-hatred, and immersion-emersion…

  5. Cosmic Accelerators: Engines of the Extreme Universe

    SciTech Connect

    Funk, Stefan

    2009-06-23

    The universe is home to numerous exotic and beautiful phenomena, some of which can generate almost inconceivable amounts of energy. While the night sky appears calm, it is populated by colossal explosions, jets from supermassive black holes, rapidly rotating neutron stars, and shock waves of gas moving at supersonic speeds. These accelerators in the sky boost particles to energies far beyond those we can produce on earth. New types of telescopes, including the Fermi Gamma-ray Space Telescope orbiting in space, are now discovering a host of new and more powerful accelerators. Please come and see how these observations are revising our picture of the most energetic phenomena in the universe.

  6. Calibrating Nonlinear Soil Material Properties for Seismic Analysis Using Soil Material Properties Intended for Linear Analysis

    SciTech Connect

    Spears, Robert Edward; Coleman, Justin Leigh

    2015-08-01

    Seismic analysis of nuclear structures is routinely performed using guidance provided in “Seismic Analysis of Safety-Related Nuclear Structures and Commentary (ASCE 4, 1998).” This document, which is currently under revision, provides detailed guidance on linear seismic soil-structure-interaction (SSI) analysis of nuclear structures. To accommodate the linear analysis, soil material properties are typically developed as shear modulus and damping ratio versus cyclic shear strain amplitude. A new Appendix in ASCE 4-2014 (draft) is being added to provide guidance for nonlinear time domain SSI analysis. To accommodate the nonlinear analysis, a more appropriate form of the soil material properties includes shear stress and energy absorbed per cycle versus shear strain. Ideally, nonlinear soil model material properties would be established with soil testing appropriate for the nonlinear constitutive model being used. However, much of the soil testing done for SSI analysis is performed for use with linear analysis techniques. Consequently, a method is described in this paper that uses soil test data intended for linear analysis to develop nonlinear soil material properties. To produce nonlinear material properties that are equivalent to the linear material properties, the linear and nonlinear model hysteresis loops are considered. For equivalent material properties, the shear stress at peak shear strain and energy absorbed per cycle should match when comparing the linear and nonlinear model hysteresis loops. Consequently, nonlinear material properties are selected based on these criteria.

  7. The shrinking of human rights: the controversial revision of the Helsinki Declaration.

    PubMed

    Botbol-Baum, M

    2000-10-01

    The right of access to health care for HIV patients in developing countries has been weakened by the 1999 revision of the Helsinki Declaration. There is a dichotomy between discussions of human rights and liberal international public health policy. Utilitarian ethics, devoid of a sound notion of universal justice, encourage discrimination against economically vulnerable patients in developing countries. Greater coherence is needed between ethical principles and practical issues, particularly with regard to scientific research.

  8. Plasma universe

    NASA Technical Reports Server (NTRS)

    Alfven, H.

    1986-01-01

    Traditionally the views on the cosmic environent have been based on observations in the visual octave of the electromagnetic spectrum, during the last half-century supplemented by infrared and radio observations. Space research has opened the full spectrum. Of special importance are the X-ray-gamma-ray regions, in which a number of unexpected phenomena have been discovered. Radiations in these regions are likely to originate mainly from magnetised cosmic plasmas. Such a medium may also emit synchrotron radiation which is observable in the radio region. If a model of the universe is based on the plasma phenomena mentioned it is found that the plasma universe is drastically different from the traditional visual universe. Information about the plasma universe can also be obtained by extrapolation of laboratory experiments and magnetospheric in situ measurements of plasmas. This approach is possible because it is likely that the basic properties of plasmas are the same everywhere. In order to test the usefulness of the plasma universe model it is applied to cosmogony. Such an approach seems to be rather successful. For example, the complicated structure of the Saturnian C ring can be accounted for. It is possible to reconstruct certain phenomena 4 to 5 billions of years ago with an accuracy of better than 1%.

  9. How and Why the University of California Got Its Autonomy. Research & Occasional Paper Series: CSHE.4.15

    ERIC Educational Resources Information Center

    Douglass, John Aubrey

    2015-01-01

    The University of California became a "public trust" in 1879 as part of a larger revision of California's Constitution approved by California voters. The University henceforth gained the exclusive power to operate, control, and administer the University of California, becoming virtually a fourth branch of state government, a…

  10. Case studies: Soil mapping using multiple methods

    NASA Astrophysics Data System (ADS)

    Petersen, Hauke; Wunderlich, Tina; Hagrey, Said A. Al; Rabbel, Wolfgang; Stümpel, Harald

    2010-05-01

    Soil is a non-renewable resource with fundamental functions like filtering (e.g. water), storing (e.g. carbon), transforming (e.g. nutrients) and buffering (e.g. contamination). Degradation of soils is meanwhile not only to scientists a well known fact, also decision makers in politics have accepted this as a serious problem for several environmental aspects. National and international authorities have already worked out preservation and restoration strategies for soil degradation, though it is still work of active research how to put these strategies into real practice. But common to all strategies the description of soil state and dynamics is required as a base step. This includes collecting information from soils with methods ranging from direct soil sampling to remote applications. In an intermediate scale mobile geophysical methods are applied with the advantage of fast working progress but disadvantage of site specific calibration and interpretation issues. In the framework of the iSOIL project we present here some case studies for soil mapping performed using multiple geophysical methods. We will present examples of combined field measurements with EMI-, GPR-, magnetic and gammaspectrometric techniques carried out with the mobile multi-sensor-system of Kiel University (GER). Depending on soil type and actual environmental conditions, different methods show a different quality of information. With application of diverse methods we want to figure out, which methods or combination of methods will give the most reliable information concerning soil state and properties. To investigate the influence of varying material we performed mapping campaigns on field sites with sandy, loamy and loessy soils. Classification of measured or derived attributes show not only the lateral variability but also gives hints to a variation in the vertical distribution of soil material. For all soils of course soil water content can be a critical factor concerning a succesful

  11. Results of Wagner SL revision stem with impaction bone grafting in revision total hip arthroplasty

    PubMed Central

    Singh, Somesh P; Bhalodiya, Haresh P

    2013-01-01

    Background: As the number of total hip arthroplasties (THAs) performed increases, so do the number of required revisions. Impaction bone grafting with Wagner SL Revision stem is a good option for managing bone deficiencies arising from aseptic osteolysis. We studied the results of cementless diaphyseal fixation in femoral revision after total hip arthroplasty and whether there was spontaneous regeneration of bone stock in the proximal femur after the use of Wagner SL Revision stem (Zimmer, Warsaw, IN, USA) with impaction bone grafting. Materials and Methods: We performed 53 hip revisions using impaction bone grafting and Wagner SL Revision stems in 48 patients; (5 cases were bilateral) for variety of indications ranging from aseptic osteolysis to preiprosthetic fractures. The average age was 59 years (range 44-68 years). There were 42 male and 6 female patients. Four patients died after surgery for reasons unrelated to surgery. 44 patients were available for complete analysis. Results: The mean Harris Hip Score was 42 before surgery and improved to 86 by the final followup evaluation at a mean point of 5.5 years. Of the 44 patients, 87% (n=39) had excellent results and 10% (n=5) had good results. The stem survival rate was 98% (n=43). Conclusion: Short term results for revision THA with impaction bone grafting and Wagner SL revision stems are encouraging. However, it is necessary to obtain long term results through periodic followup evaluation, as rate of complications may increase in future. PMID:23960279

  12. Analyzing the Benefits of Revision Memos during the Writing and Revision Process

    ERIC Educational Resources Information Center

    Bardine, Bryan Anthony; Fulton, Anthony

    2008-01-01

    In this article, the authors examine the role revision memos played in composition classrooms. Both authors used the memos to help students reflect on their writing and continue revising. The memos also served as guides for the instructors as they responded to their students' writing. The memos were a reminder that the instructors needed to focus…

  13. The Effects of a Systematic Revision Model on Revisers in Terms of Student Outcomes.

    ERIC Educational Resources Information Center

    Dupont, Daniel; Stolovitch, Harold D.

    1983-01-01

    Describes the process by which Learner Verification and Revision (LVR) transforms information gathered during learner verification into revision prescriptions for the development of instructional materials. Robinson's and Gropper's procedural models for formative evaluation are also discussed and a study comparing the effectiveness of materials…

  14. User-Focused Strategic Services for Technological University Libraries.

    ERIC Educational Resources Information Center

    Townley, Charles T.

    This paper describes the New Mexico State University (NMSU) Library's strategic plan to develop its services amid an atmosphere of change. A summary of the following components of the strategic plan is given: vision; mission; values; and goals. The revised organizational functions are then illustrated, as well as the role of the selector-liaison…

  15. Articulation Agreements between High Schools, Community Colleges, and Universities.

    ERIC Educational Resources Information Center

    Illinois Community Coll. Board, Springfield.

    Designed to assist college officials in developing and revising articulation agreements, this report describes specific program articulation efforts between Illinois high schools, community colleges, and public and private universities. Data presented were drawn from a survey of 102 public and private community colleges, which resulted in 94…

  16. Wellness 101: Health Education for the University Student

    ERIC Educational Resources Information Center

    Higgins, S. Joan Wharf; Lauzon, Lara L.; Yew, Ann C.; Bratseth, Christopher D.; McLeod, Nicole

    2010-01-01

    Purpose: This paper aims to describe two phases of a mixed-method study: in phase I, the wellness practices of students at a Canadian university are reported. These data informed the re-development of a first-year health education course. Subsequent to its revision, phase II of the study assessed the impact of the course on students' wellness…

  17. Investigating the Underachievement of University Students in Turkey: Exploring Subscales

    ERIC Educational Resources Information Center

    Baslanti, Ugur

    2008-01-01

    This study extends the work of Baslanti and McCoach (2006), which aimed to identify the characteristics of gifted underachievers at the university level and the reasons for their underachievement using the School Attitude Assessment Survey-Revised (SAAS-R). In this study, underachievement refers to a discrepancy between outstanding achievement…

  18. Rewarding Community-Engaged Scholarship: A State University System Approach

    ERIC Educational Resources Information Center

    Saltmarsh, John; Wooding, John

    2016-01-01

    The need for new and revised structures to reward new forms of scholarship is being examined nationally and globally. It is also being examined on campuses that make up the University of Massachusetts system, all which are classified by the Carnegie Foundation for Community Engagement. This paper reports on the collective exploration by the five…

  19. Quantum Universe

    NASA Astrophysics Data System (ADS)

    Mukhanov, V. F.

    2016-10-01

    In March 2013, following an accurate processing of available measurement data, the Planck Scientific Collaboration published the highest-resolution photograph ever of the early Universe when it was only a few hundred thousand years old. The photograph showed galactic seeds in sufficient detail to test some nontrivial theoretical predictions made more than thirty years ago. Most amazing was that all predictions were confirmed to be remarkably accurate. With no exaggeration, we may consider it established experimentally that quantum physics, which is normally assumed to be relevant on the atomic and subatomic scale, also works on the scale of the entire Universe, determining its structure with all its galaxies, stars, and planets.

  20. Unforced Revision in Processing Relative Clause Association Ambiguity in Japanese: Evidence Against Revision as Last Resort.

    PubMed

    Yamada, Toshiyuki; Arai, Manabu; Hirose, Yuki

    2016-11-19

    The current study tackles a long standing question of whether comprehenders perform structural revision when it is not forced by grammar or not. Using an eye-tracking reading paradigm, we addressed this issue by making use of global structural ambiguity in Japanese. Our results show that comprehenders initially associate a relative clause with the first potential head noun and that they revise this analysis when the second noun is lexico-semantically possible as the relative clause head, but do not when it is impossible. The results are incompatible with the Revision as Last Resort hypothesis. Instead, they support the parsing with unforced revision that is immediately sensitive to lexical properties. We argue that our results cannot be accounted for by serial modular processing models but that they can be explained by ranked-parallel interactive processing models. Furthermore, we propose that head-finality is a key factor involved in the availability of unforced revision.

  1. The changing face of public education: the process of "revisioning" elementary teacher preparation programs.

    PubMed

    Stevens-Smith, Deborah; Warner, Margaret; Padilla, Michael

    2014-01-01

    Three years ago the elementary education department at Clemson University recognized the need for curricular change in the way we prepare teachers. The current program was not reflective of the changing demographics of multilingual and multicultural students in the public/ private school population. The challenge from the university provost was to create an enhanced elementary curriculum that would be unique in training students to meet these new demands. The purpose of this article is to share the revisioning process that led to redesigning the teacher preparation program. Promoting positive conversations about the richness of viewing diversity through a new lens will provide deeper insights into these issues.

  2. Remote sensing as a tool for estimating soil erosion potential

    NASA Technical Reports Server (NTRS)

    Morris-Jones, D. R.; Morgan, K. M.; Kiefer, R. W.

    1979-01-01

    The Universal Soil Loss Equation is a frequently used methodology for estimating soil erosion potential. The Universal Soil Loss Equation requires a variety of types of geographic information (e.g. topographic slope, soil erodibility, land use, crop type, and soil conservation practice) in order to function. This information is traditionally gathered from topographic maps, soil surveys, field surveys, and interviews with farmers. Remote sensing data sources and interpretation techniques provide an alternative method for collecting information regarding land use, crop type, and soil conservation practice. Airphoto interpretation techniques and medium altitude, multi-date color and color infrared positive transparencies (70mm) were utilized in this study to determine their effectiveness for gathering the desired land use/land cover data. Successful results were obtained within the test site, a 6136 hectare watershed in Dane County, Wisconsin.

  3. Universities 2035

    ERIC Educational Resources Information Center

    Thrift, Nigel

    2016-01-01

    This paper examines the future of Western higher education. Situated midway between an analysis and a polemic, it concerns itself with how we might begin to actively design the universities of the future. That will require a productionist account of higher education which is so far sadly lacking. But there are signs that such an account might be…

  4. University Productivity

    ERIC Educational Resources Information Center

    Sommers, Alexis N.

    1977-01-01

    Academic communities are under intense pressures to balance expenditures with income. Strategies are offered here to increase productivity drawn from the experiences of the University of New Haven. Emphasis is on revenue-cost ratios, class size, and faculty teaching schedules as primary factors in productivity improvement. (Editor/LBH)

  5. New Universities

    ERIC Educational Resources Information Center

    Burgett, Bruce

    2011-01-01

    The public-private alliance signals a future in which self-serving agreements could become the coin of the realm. Such a future would be a betrayal of the historical promise of public universities to innovate in ways that expand access to higher education. Given the rise of market-based models in educational policy circles, the threat of the…

  6. University Builders.

    ERIC Educational Resources Information Center

    Pearce, Martin

    This publication explores a diverse collection of new university buildings. Ranging from the design of vast new campuses, such as that by Wilford and Stirling at Temasek, Singapore, through to the relatively modest yet strategically important, such as the intervention by Allies and Morrison at Southampton, this book examines the new higher…

  7. Schoolground Soil Studies.

    ERIC Educational Resources Information Center

    Doyle, Charles

    1978-01-01

    Outlined are simple activities for studying soil, which can be conducted in the schoolyard. Concepts include soil profiles, topsoil, soil sizes, making soil, erosion, slope, and water absorption. (SJL)

  8. Role of soil health in maintaining environmental sustainability of surface coal mining.

    PubMed

    Acton, Peter M; Fox, James F; Campbell, J Elliott; Jones, Alice L; Rowe, Harold; Martin, Darren; Bryson, Sebastian

    2011-12-01

    Mountaintop coal mining (MCM) in the Southern Appalachian forest region greatly impacts both soil and aquatic ecosystems. Policy and practice currently in place emphasize water quality and soil stability but do not consider upland soil health. Here we report soil organic carbon (SOC) measurements and other soil quality indicators for reclaimed soils in the Southern Appalachian forest region to quantify the health of the soil ecosystem. The SOC sequestration rate of the MCM soils was 1.3 MgC ha(-1) yr(-1) and stocks ranged from 1.3 ± 0.9 to 20.9 ± 5.9 Mg ha(-1) and contained only 11% of the SOC of surrounding forest soils. Comparable reclaimed mining soils reported in the literature that are supportive of soil ecosystem health had SOC stocks 2.5-5 times greater than the MCM soils and sequestration rates were also 1.6-3 times greater. The high compaction associated with reclamation in this region greatly reduces both the vegetative rooting depth and infiltration of the soil and increases surface runoff, thus bypassing the ability of soil to naturally filter groundwater. In the context of environmental sustainability of MCM, it is proposed that the entire watershed ecosystem be assessed and that a revision of current policy be conducted to reflect the health of both water and soil.

  9. Remote sensing techniques for the detection of soil erosion and the identification of soil conservation practices

    NASA Technical Reports Server (NTRS)

    Pelletier, R. E.; Griffin, R. H.

    1985-01-01

    The following paper is a summary of a number of techniques initiated under the AgRISTARS (Agriculture and Resources Inventory Surveys Through Aerospace Remote Sensing) project for the detection of soil degradation caused by water erosion and the identification of soil conservation practices for resource inventories. Discussed are methods to utilize a geographic information system to determine potential soil erosion through a USLE (Universal Soil Loss Equation) model; application of the Kauth-Thomas Transform to detect present erosional status; and the identification of conservation practices through visual interpretation and a variety of enhancement procedures applied to digital remotely sensed data.

  10. Explicitly representing soil microbial processes in Earth system models: Soil microbes in earth system models

    SciTech Connect

    Wieder, William R.; Allison, Steven D.; Davidson, Eric A.; Georgiou, Katerina; Hararuk, Oleksandra; He, Yujie; Hopkins, Francesca; Luo, Yiqi; Smith, Matthew J.; Sulman, Benjamin; Todd-Brown, Katherine; Wang, Ying-Ping; Xia, Jianyang; Xu, Xiaofeng

    2015-10-01

    Microbes influence soil organic matter (SOM) decomposition and the long-term stabilization of carbon (C) in soils. We contend that by revising the representation of microbial processes and their interactions with the physicochemical soil environment, Earth system models (ESMs) may make more realistic global C cycle projections. Explicit representation of microbial processes presents considerable challenges due to the scale at which these processes occur. Thus, applying microbial theory in ESMs requires a framework to link micro-scale process-level understanding and measurements to macro-scale models used to make decadal- to century-long projections. Here, we review the diversity, advantages, and pitfalls of simulating soil biogeochemical cycles using microbial-explicit modeling approaches. We present a roadmap for how to begin building, applying, and evaluating reliable microbial-explicit model formulations that can be applied in ESMs. Drawing from experience with traditional decomposition models we suggest: (1) guidelines for common model parameters and output that can facilitate future model intercomparisons; (2) development of benchmarking and model-data integration frameworks that can be used to effectively guide, inform, and evaluate model parameterizations with data from well-curated repositories; and (3) the application of scaling methods to integrate microbial-explicit soil biogeochemistry modules within ESMs. With contributions across scientific disciplines, we feel this roadmap can advance our fundamental understanding of soil biogeochemical dynamics and more realistically project likely soil C response to environmental change at global scales.

  11. Relationship between Personality Types and Career Choices of Undergraduate Students: A Case of Moi University, Kenya

    ERIC Educational Resources Information Center

    Kemboi, Rebecca J. Kimongo; Kindiki, Nyaga; Misigo, Benard

    2016-01-01

    This study investigated the relationship between personality types and career choices of undergraduate students of Moi University. In Kenya, students are allowed to revise their career choices at various levels of education before they settle on one course of study in the University. The process of choosing careers begins in form three where…

  12. An Examination of the Relationship between Optimism and Worldview among University Students

    ERIC Educational Resources Information Center

    Coll, Jose E.; Draves, Patrick R.

    2008-01-01

    This study examined the relationship between worldview, demographic characteristics, and optimism among university students. A sample of 163 university students from two schools completed a self-report survey that included demographic variables, the Worldview Assessment Instrument (WAI, Koltko-Rivera, 1998), and the Revised Life Orientation Test…

  13. Incorporating Community Engagement Language into Promotion and Tenure Policies: One University's Journey

    ERIC Educational Resources Information Center

    Pelco, Lynn E.; Howard, Catherine

    2016-01-01

    This case study describes the campus context and process for successfully including community engagement language into promotion and tenure policies at Virginia Commonwealth University, a high research, urban public university. The paper also describes barriers our campus faced during the promotion and tenure policy revision process, especially…

  14. Arkansas Public Higher Education Operating Recommendations: Fiscal Year 2010-11. Volume 1: Universities

    ERIC Educational Resources Information Center

    Arkansas Department of Higher Education, 2010

    2010-01-01

    At its April 25, 2008 meeting, the Arkansas Higher Education Coordinating Board approved the funding models for the two-year colleges, universities, and the technical centers (former technical institutes merged with universities). These models had been developed in conjunction with presidents and chancellors after meetings and revisions. The…

  15. Revision Lapidus Arthrodesis by Bone Endoscopy.

    PubMed

    Lui, Tun Hing

    2016-08-01

    Revision arthrodesis is indicated in symptomatic nonunion of the first tarsometatarsal joint. Revision by first tarsometatarsal arthroscopy cannot deal with the dilated screw tract and associated bone cysts. Revision by bone endoscopy is indicated in symptomatic nonunion of the first tarsometatarsal joint, which is previously fixed by transarticular screw along with loosening of the screw and bone cyst formation. The screw tract makes up the portal tract, with the proximal and distal ends of the tract corresponding to the proximal and distal portals, respectively. In this technical note, we describe zonal debridement and bone grafting of the bone cysts, nonunion site, and the screw tract via the bone endoscopy. This can resolve all the co-pathologies of nonunion of the first tarsometatarsal fusion.

  16. Revision and meta-analysis of selected biosphere parameter values for chlorine, iodine, neptunium, radium, radon and uranium.

    PubMed

    Sheppard, S C; Sheppard, M I; Tait, J C; Sanipelli, B L

    2006-01-01

    There is a continual supply of new experimental data that are relevant to the assessment of the potential impacts of nuclear fuel waste disposal. In the biosphere, the traditional assessment models are data intensive, and values are needed for several thousand parameters. This is augmented further when measures of central tendency, statistical dispersion, correlations and truncations are required for each parameter to allow probabilistic risk assessment. Recent reviews proposed values for 10-15 key element-specific parameters relevant to (36)Cl, (129)I, (222)Rn, (226)Ra, (237)Np and (238)U, and some highlights from this data update are summarized here. Several parameters for Np are revised downward by more than 10-fold, as is the fish/water concentration ratio for U. Soil solid/liquid partition coefficients, Kd, are revised downward by 10-770-fold for Ra. Specific parameters are discussed in detail, including degassing of I from soil; sorption of Cl in soil; categorization of plant/soil concentration ratios for U, Ra and Np; Rn transfer from soil to indoor air; Rn degassing from surface water; and the Ca dependence of Ra transfers.

  17. Use RUSLE2 model to assess the impact of soil erosion on playa inundation and hydrophyte conditions in the Rainwater Basin, Nebraska.

    PubMed

    Tang, Zhenghong; Gu, Yue; Jiang, Weiguo; Xue, Yuan; Bishop, Andy; LaGrange, Ted; Nugent, Eleanor

    2016-06-01

    Playas in the Rainwater Basin region in Nebraska are globally important wetlands that are continuously threatened by culturally accelerated sedimentation. Using annual habitat survey data and wetland vegetation inventories, inundation and hydrophyte community distributions were evaluated for properties under different types of conservation status. Annual soil erosion rates from surrounding watersheds were calculated to estimate sediment accumulated rates using the Revised Universal Soil Loss Equation 2 (RUSLE2). The slope-length component of the RUSLE2 was derived from 2009 light detection and ranging (LiDAR) data after the methods described by Van Remortel (Computers & Geosciences 30:1043-1053, 2004). Wetlands enrolled in conservation programs were inundated more and were dominated to a greater degree by hydrophytes than wetlands not enrolled in these programs. The mean estimated soil erosion rate at the Rainwater Basin landscape level was 4.67 tons/ha/year, and the mean estimated sediment accumulation depth for public watersheds was estimated as 0.19 cm/year. Without appropriate conservation actions, the current inundated acres and wetland acres growing hydrophytes would be further reduced by sediment accumulation. The results illustrated the importance of conservation programs to protect wetlands.

  18. Soil erosion rates in two karst peak-cluster depression basins of northwest Guangxi, China: Comparison of the RUSLE model with 137Cs measurements

    NASA Astrophysics Data System (ADS)

    Feng, Teng; Chen, Hongsong; Polyakov, Viktor O.; Wang, Kelin; Zhang, Xinbao; Zhang, Wei

    2016-01-01

    Reliable estimation of erosion in karst areas is difficult because of the heterogeneous nature of infiltration and sub-surface drainage. Understanding the processes involved is a key requirement for managing against karst rock desertification. This study used the revised Universal Soil Loss Equation (RUSLE) to estimate the annual soil erosion rates on hillslopes and compared them with 137Cs budget in the depressions at two typical karst peak-cluster depression basins in northwest Guangxi, southwestern China. Runoff plots data were used to calibrate the slope length factor (L) of the RUSLE model by adjusting the accumulated area threshold. The RUSLE model was sensitive to the value of the threshold and required DEMs with 1 m resolution, due to the discontinuous nature of the overland flow. The average annual soil erosion rates on hillslopes simulated by the RUSLE were 0.22 and 0.10 Mg ha- 1 y- 1 during 2006 through 2011 in the partially cultivated GZ1 and the undisturbed GZ2 basins, respectively. The corresponding deposition rates in the depressions agreed well with the 137Cs records when recent changes in precipitation and land use were taken into consideration. The study suggests that attention should be given to the RUSLE-L factor when applying the RUSLE on karst hillslopes because of the discontinuous nature of runoff and significant underground seepage during storm events that effectively reduces the effects of slope length.

  19. Soil temperature depressions beneath vegetation

    SciTech Connect

    Starkweather, S.

    1996-10-01

    The results from a summer-long monitoring project were used to determine the effects of vegetative cover on soil temperatures and ground heat fluxes. The measurements were taken over three months in a residential neighborhood adjacent to the University of Colorado campus and correlated with data from a weather station located a mile away. By contrasting the soil temperatures beneath a moderately shaded, vegetated site to those beneath an open site covered with turf grass, the authors were able to quantify an added energy saving benefit of alternative landscapes and tree planting; reduced summer-time ground heat flux. The results from the monitoring project were used to develop a general model for relating local weather data and site-specific vegetative morphologies to site-specific ground heat fluxes. The authors found that the reduced ground heat flux can be largely attributed to the reduced net radiation flux arriving at the soil surface.

  20. Revised estimates of atmospheric CO/sub 2/ variations based on the tree ring /sup 13/C record

    SciTech Connect

    Peng, T.H.; Freyer, H.D.

    1983-01-01

    The composite mean /sup 13/C record for the Northern Hemisphere was revised. The overall decrease of delta /sup 13/C from 1800 to 1980 was estimated to be about -1.5/sup 0///sub 00/, which is 0.5/sup 0///sub 00/ less than the previous estimate. Therefore, the contribution of /sup 13/C-depleted CO/sub 2/ to the atmosphere from the forest and soil source was reevaluated, using the modified box-diffusion ocean model and Freyer's revised /sup 13/C record. On the basis of the assumption that this revised tree ring /sup 13/C record represents changes in the /sup 13/C//sup 12/C ratio induced in atmospheric CO/sub 2/ due to deforestation and soil manipulation and combustion of fossil fuels, the following results are obtained: (1) the magnitude of the integrated CO/sub 2/ release from the terrestrial biosphere since 1800 is about 90% of that from fossil fuel; (2) over the two-decade period covered by the Mauna Loa atmospheric CO/sub 2/ record, the input from the forest plus soil source is about 15% of that from fossil fuels; (3) the /sup 13/C//sup 12/C trend over the last two decades has been dominated by the input of fossil fuel CO/sub 2/; and (4) the pre-1850 atmospheric CO/sub 2/ content is estimated to be about 266 x 10/sup -6/ atm. 15 references, 5 figures, 1 table.

  1. Comparison of plant nutrient and environmental soil tests to predict Pb in urban soils.

    PubMed

    Minca, Kristen Kathleen; Basta, Nicholas Thomas

    2013-02-15

    Most urban soils are not tested for Pb because of the high costs associated with sampling and laboratory analysis of soil contaminants. However, soil testing for plant nutrients is inexpensive and routinely performed for agricultural soils used for food production. The objectives of this study are to determine the ability of 1 M HNO(3), Mehlich 3, and Modified Morgan soil tests to predict total Pb and other contaminants in urban soils. Total Pb was determined from 65 urban vacant residential lots being considered for urban gardens and food production in Cleveland, OH. Extractable Pb was determined using common soil nutrient test methods Mehlich 3 and Modified Morgan extraction, and a 1M HNO(3) extraction. Significant linear regressions between total Pb and Mehlich 3 (r(2)=0.83), 1M HNO(3) (r(2)=0.92), and Modified Morgan (r(2)=0.77) in study soils were found. Most commercial and university soil testing labs use Mehlich 3 which could be implemented as a screening tool for soil Pb, Cu, and Zn. The Mehlich 3 soil test is widely used and is relatively inexpensive (<$15). Our results show that total Pb can be conservatively estimated by the following equation Total Pb (mg kg(-1))=Mehlich 3 Pb (mg kg(-1))×2.

  2. The World Soil Museum: education and advocacy on soils of the world

    NASA Astrophysics Data System (ADS)

    Mantel, Stephan; Land, Hiske

    2013-04-01

    The World Soil Museum (WSM) in Wageningen, is part of ISRIC World Soil Information and was founded in 1966 on request of the United Nations Educational, Scientific and Cultural Organization (UNESCO) and the International Soil Science Society. The World Soil Museum has a collection of over 1100 soil profiles from more than 70 countries. This soil profiles are vertical sections and show the composition, layering and structure of the soil. The collection is unique in the world and includes a significant number of soil profiles from the Netherlands. The Dutch soil collection is important for serving broader visitor groups, as some visitors, such as secondary school classes, are specifically interested in the Dutch landscape and soils. Broadly speaking, the World Soil Museum has five functions: (i) education and courses, (ii) research, (iii) information and edutainment, (iv) social function, and (v) a real museum function (Art). The World Soil Museum (World Soil Museum) is well known in national and international circles soil and the English name has almost 1,000 references on the Internet. The World Soil Museum is visited by about 1000 people a year, mainly university and college students from Western Europe. Other visitor groups that have found their way to the museum are students from disciplines broader then soil science, such as geography and rural development. Secondary school classes visit the museum for geography classes. The uniqueness and the value of the collection of soil profiles (soil monoliths) and associated collections, such as soil samples, hand pieces, thin sections, slides, is emphasized by the fact ISRIC is the only World Data Centre for Soils (WDC-Soils) within the World Data System of the International Council of Science (ICSU). The collection provides an insight in and overview of the diversity of soils in the world, their properties and their limitations and possibilities for use. A new building is under construction for the WSM, which is

  3. University lobbying

    NASA Astrophysics Data System (ADS)

    Richman, Barbara T.

    In the past year, an increasing number of individual academic institutions have lobbied in Congress for new science facilities funds thus circumventing the traditional peer review process of evaluating the merits of such facilities. As an attempt to stem this rising tide, the National Academy of Sciences (NAS) governing council and the Association of American Universities (AAU) recently and independently issued strong statements condemning lobbying by individual universities and enthusiastically supporting the peer review system.“Informed peer judgments on the scientific merits of specific proposals, in open competition, should be a central element in the awarding of all federal funds for science,” the NAS resolution stated. AAU, meanwhile, implored “scientists, leaders of America's universities, and members of Congress” to “refrain from actions that would make scientific decisions a test of political influence rather than a judgment on the quality of the work to be done.” Roughly 50 research institutions constitute AAU; the two AAU Canadian members did not vote on the consortium's statement.

  4. Estimation of Soil Erosion Dynamics in the Koshi Basin Using GIS and Remote Sensing to Assess Priority Areas for Conservation.

    PubMed

    Uddin, Kabir; Murthy, M S R; Wahid, Shahriar M; Matin, Mir A

    2016-01-01

    High levels of water-induced erosion in the transboundary Himalayan river basins are contributing to substantial changes in basin hydrology and inundation. Basin-wide information on erosion dynamics is needed for conservation planning, but field-based studies are limited. This study used remote sensing (RS) data and a geographic information system (GIS) to estimate the spatial distribution of soil erosion across the entire Koshi basin, to identify changes between 1990 and 2010, and to develop a conservation priority map. The revised universal soil loss equation (RUSLE) was used in an ArcGIS environment with rainfall erosivity, soil erodibility, slope length and steepness, cover-management, and support practice factors as primary parameters. The estimated annual erosion from the basin was around 40 million tonnes (40 million tonnes in 1990 and 42 million tonnes in 2010). The results were within the range of reported levels derived from isolated plot measurements and model estimates. Erosion risk was divided into eight classes from very low to extremely high and mapped to show the spatial pattern of soil erosion risk in the basin in 1990 and 2010. The erosion risk class remained unchanged between 1990 and 2010 in close to 87% of the study area, but increased over 9.0% of the area and decreased over 3.8%, indicating an overall worsening of the situation. Areas with a high and increasing risk of erosion were identified as priority areas for conservation. The study provides the first assessment of erosion dynamics at the basin level and provides a basis for identifying conservation priorities across the Koshi basin. The model has a good potential for application in similar river basins in the Himalayan region.

  5. Soil erosion and sediment fluxes analysis: a watershed study of the Ni Reservoir, Spotsylvania County, VA, USA.

    PubMed

    Pope, Ian C; Odhiambo, Ben K

    2014-03-01

    Anthropogenic forces that alter the physical landscape are known to cause significant soil erosion, which has negative impact on surface water bodies, such as rivers, lakes/reservoirs, and coastal zones, and thus sediment control has become one of the central aspects of catchment management planning. The revised universal soil loss equation empirical model, erosion pins, and isotopic sediment core analyses were used to evaluate watershed erosion, stream bank erosion, and reservoir sediment accumulation rates for Ni Reservoir, in central Virginia. Land-use and land cover seems to be dominant control in watershed soil erosion, with barren land and human-disturbed areas contributing the most sediment, and forest and herbaceous areas contributing the least. Results show a 7 % increase in human development from 2001 (14 %) to 2009 (21.6 %), corresponding to an increase in soil loss of 0.82 Mg ha(-1) year(-1) in the same time period. (210)Pb-based sediment accumulation rates at three locations in Ni Reservoir were 1.020, 0.364, and 0.543 g cm(-2) year(-1) respectively, indicating that sediment accumulation and distribution in the reservoir is influenced by reservoir configuration and significant contributions from bedload. All three locations indicate an increase in modern sediment accumulation rates. Erosion pin results show variability in stream bank erosion with values ranging from 4.7 to 11.3 cm year(-1). These results indicate that urban growth and the decline in vegetative cover has increased sediment fluxes from the watershed and poses a significant threat to the long-term sustainability of the Ni Reservoir as urbanization continues to increase.

  6. Estimation of Soil Erosion Dynamics in the Koshi Basin Using GIS and Remote Sensing to Assess Priority Areas for Conservation

    PubMed Central

    Uddin, Kabir; Murthy, M. S. R.; Wahid, Shahriar M.; Matin, Mir A.

    2016-01-01

    High levels of water-induced erosion in the transboundary Himalayan river basins are contributing to substantial changes in basin hydrology and inundation. Basin-wide information on erosion dynamics is needed for conservation planning, but field-based studies are limited. This study used remote sensing (RS) data and a geographic information system (GIS) to estimate the spatial distribution of soil erosion across the entire Koshi basin, to identify changes between 1990 and 2010, and to develop a conservation priority map. The revised universal soil loss equation (RUSLE) was used in an ArcGIS environment with rainfall erosivity, soil erodibility, slope length and steepness, cover-management, and support practice factors as primary parameters. The estimated annual erosion from the basin was around 40 million tonnes (40 million tonnes in 1990 and 42 million tonnes in 2010). The results were within the range of reported levels derived from isolated plot measurements and model estimates. Erosion risk was divided into eight classes from very low to extremely high and mapped to show the spatial pattern of soil erosion risk in the basin in 1990 and 2010. The erosion risk class remained unchanged between 1990 and 2010 in close to 87% of the study area, but increased over 9.0% of the area and decreased over 3.8%, indicating an overall worsening of the situation. Areas with a high and increasing risk of erosion were identified as priority areas for conservation. The study provides the first assessment of erosion dynamics at the basin level and provides a basis for identifying conservation priorities across the Koshi basin. The model has a good potential for application in similar river basins in the Himalayan region. PMID:26964039

  7. 49 CFR Appendix C to Part 227 - Audiometric Baseline Revision

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... potential revision, the final decision for revision rests with a human being. Because the goal of the guidelines is to foster consistency among different professional reviewers, human override of the...

  8. 49 CFR Appendix C to Part 227 - Audiometric Baseline Revision

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... potential revision, the final decision for revision rests with a human being. Because the goal of the guidelines is to foster consistency among different professional reviewers, human override of the...

  9. 49 CFR Appendix C to Part 227 - Audiometric Baseline Revision

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... potential revision, the final decision for revision rests with a human being. Because the goal of the guidelines is to foster consistency among different professional reviewers, human override of the...

  10. 76 FR 75782 - Revising Standards Referenced in the Acetylene Standard

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-12-05

    ... the Acetylene Standard AGENCY: Occupational Safety and Health Administration (OSHA), Department of... is revising its Acetylene Standard for general industry by updating a reference to a standard... and Explanation of Revisions to the Acetylene Standard IV. Procedural Determinations A....

  11. Joint Line Reconstruction in Navigated Total Knee Arthroplasty Revision

    ClinicalTrials.gov

    2012-05-16

    Revision Total Knee Arthroplasty Because of; Loosening; Instability; Impingement; or Other Reasons Accepted as Indications for TKA Exchange.; The Focus is to Determine the Precision of Joint Line Restoration in Navigated vs. Conventional Revision Total Knee Arthroplasty

  12. Revised Total Coliform Rule Assessments and Corrective Actions

    EPA Pesticide Factsheets

    EPA has developed the Revised Total Coliform Rule Assessment and Corrective Actions Guidance Manual for public water systems (e.g., owners and operators) to assist in complying with the requirements of the Revised Total Coliform Rule.

  13. 40 CFR 142.12 - Revision of State programs.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... (CONTINUED) NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION Primary Enforcement Responsibility... enforcement responsibility, States must adopt all new and revised national primary drinking water regulations... each State request for approval of a program revision based on the requirements of the Safe...

  14. 40 CFR 142.12 - Revision of State programs.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... (CONTINUED) NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION Primary Enforcement Responsibility... enforcement responsibility, States must adopt all new and revised national primary drinking water regulations... each State request for approval of a program revision based on the requirements of the Safe...

  15. 40 CFR 142.12 - Revision of State programs.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... (CONTINUED) NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION Primary Enforcement Responsibility... enforcement responsibility, States must adopt all new and revised national primary drinking water regulations... each State request for approval of a program revision based on the requirements of the Safe...

  16. 40 CFR 142.12 - Revision of State programs.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... (CONTINUED) NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION Primary Enforcement Responsibility... enforcement responsibility, States must adopt all new and revised national primary drinking water regulations... each State request for approval of a program revision based on the requirements of the Safe...

  17. 40 CFR 142.12 - Revision of State programs.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... (CONTINUED) NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION Primary Enforcement Responsibility... enforcement responsibility, States must adopt all new and revised national primary drinking water regulations... each State request for approval of a program revision based on the requirements of the Safe...

  18. Zero-Base Curriculum Revision: A Concept Worth Trying.

    ERIC Educational Resources Information Center

    Miller, William C.

    1981-01-01

    Argues for a "zero-base" revision of school curricula in order to weed out poorly functioning components. Outlines procedures for carrying out such a revision at both the district and building levels. (WD)

  19. Revision of species inventory checklists for Sandia National Laboratories, Albuquerque, Bernalillo County, New Mexico

    SciTech Connect

    Fischer, N.T. )

    1990-10-01

    This report revises and updates the 1974 report by W. C. Martin and W. L. Wagner, Biological Survey of Kirtland Air Force Base (East). The biological communities of Kirtland Air Force Base (KAFB) are described with respect to the Biome classification system of Brown (1982), and a standardized system of habitat types is proposed based on biome and soil type. The potential occurrence of state or federally endangered species is discussed. No species listed as endangered or threatened is known to occur on KAFB, although five are identified as potentially occurring. Updated lists of amphibians, reptiles, breeding birds, mammals, and plants are presented. 18 refs., 3 figs., 8 tabs.

  20. Soil Samplers: New Techniques for Subsurface Sampling for Volatile Organic Compounds

    SciTech Connect

    Susan Sorini; John Schabron; Joseph Rovani; Mark Sanderson

    2009-03-31

    Soil sampling techniques for volatile organic analysis must be designed to minimize loss of volatile organic compounds (VOCs) from the soil that is being sampled. Preventing VOC loss from soil cores that are collected from the subsurface and brought to the surface for subsampling is often difficult. Subsurface bulk sample retrieval systems are designed to obtain intact cylindrical cores of soil ranging anywhere from one to four inches in diameter, and one to several feet in length. The current technique that is used to subsample these soil cores for VOC analysis is to expose a horizontal section of the soil core to the atmosphere; screen the exposed soil using a photoionization detector (PID) or other appropriate device to locate contamination in the soil core; and use a hand-operated coring tool to collect samples from the exposed soil for analysis. Because the soil core can be exposed to the atmosphere for a considerable length of time during screening and sample collection, the current sub-sampling technique provides opportunity for VOCs to be lost from the soil. This report describes three alternative techniques from the current technique for screening and collecting soil samples from subsurface soil cores for VOC analysis and field testing that has been done to evaluate the techniques. Based on the results of the field testing, ASTM D4547, Standard Guide for Sampling Waste and Soils for Volatile Organic Compounds, was revised to include information about the new techniques.

  1. Friability and aggregate stability of loamy soil after 5 years of biochar application

    NASA Astrophysics Data System (ADS)

    Utomo, Wani; Ganika, Shaory; Wisnubroto, Erwin; Islami, Titiek

    2016-04-01

    The effect of biochar application on soil friability and aggregate stability of loamy soil was studied at Brawijaya University field experimental station, Jatikerto, Malang, Indonesia. The soil has been planted with cassava for 4 years continuously and 1 year planted with maiz. The biochar applied was made from cassava stem and farm yard manure. It was found that biochar application, either made from cassava stem or farm yard manure improved soil qualities. Soil applied with biochar was more friable compared to that of the no biochar soil, although biochar application did not influence Atterberg limits. It seems that the higher friability of biochar applied soil was associated with the higher soil organic matter. It was found that until 5 years application, the biochar treated soil had a higher soil organic matter content. Soil applied with biochar possessed a better soil aggregate stability, both dry and wet stability. This was shown by the higher aggregate mean weight diameter (MWD) of biochar applied soil. The cassava biochar applied soil had MWD of 2.22 mm (dry stability) and 1.56 mm (wet stability), whereas the control soil had MWD of 1.45 mm (dry stability) and 1.25 (wet stability). There was a significant positive correlation between soil friability and dry aggregate stability. The biochar applied soils also had higher soil permeability. Key words: soil qualities, soil physical properties, Atterberg limits, hydraulic conductivity

  2. Lunar soil properties and soil mechanics

    NASA Technical Reports Server (NTRS)

    Mitchell, J. K.; Houston, W. N.; Hovland, H. J.

    1972-01-01

    The study to identify and define recognizable fabrics in lunar soil in order to determine the history of the lunar regolith in different locations is reported. The fabric of simulated lunar soil, and lunar soil samples are discussed along with the behavior of simulated lunar soil under dynamic and static loading. The planned research is also included.

  3. A Brief History of Soil Mapping and Classification in the USA

    NASA Astrophysics Data System (ADS)

    Brevik, Eric C.; Hartemink, Alfred E.

    2014-05-01

    Soil maps show the distribution of soils across an area but also depict soil science theory and ideas on soil formation and classification at the time the maps were created. The national soil mapping program in the USA was established in 1899. The first nation-wide soil map was published by M. Whitney in 1909 and showed soil provinces that were largely based on geology. In 1912, G.N. Coffey published the first country-wide map based on soil properties. The map showed 5 broad soil units that used parent material, color and drainage as diagnostic criteria. The 1913 national map was produced by C.F. Marbut, H.H. Bennett, J.E. Lapham, and M.H. Lapham and showed broad physiographic units that were further subdivided into soil series, soil classes and soil types. In 1935, Marbut drafted a series of maps based on soil properties, but these maps were replaced as official U.S. soil maps in 1938 with the work of M. Baldwin, C.E. Kellogg, and J. Thorp. A series of soil maps similar to modern USA maps appeared in the 1960s with the 7th Approximation followed by revisions with the 1975 and 1999 editions of Soil Taxonomy. This review has shown that soil maps in the United States produced since the early 1900s moved initially from a geologic-based concept to a pedologic concept of soils. Later changes were from property-based systems to process-based, and then back to property-based. The information in this presentation is based on Brevik and Hartemink (2013). Brevik, E.C., and A.E. Hartemink. 2013. Soil Maps of the United States of America. Soil Science Society of America Journal 77:1117-1132. doi:10.2136/sssaj2012.0390.

  4. Soil Science in Space: Thinking Way Outside the Box

    NASA Technical Reports Server (NTRS)

    Ming, D. W.

    2016-01-01

    Mars is a perfect laboratory to reconsider the future of pedology across the universe. By investigating the soils and geology through our Curiosity and further endeavors, we find ourselves able to learn about the past, present, and possibly the future. Imagine what we could learn about the early Earth if we could have explored it without vegetation and clouds in the way. The tools and techniques that are used to probe the Martian soil can teach us about exploring the soils on Earth. Although many may feel that soil science has learned all that it can about the soils on Earth, we know differently. Deciding what the most important things to know about Martian soils can help us focus on the fundamentals of soil science on Earth. Our soil science knowledge and experience on Earth can help us learn more about the angry red planet. Why is it so angry with so many fascinating secrets it can tell?

  5. Universal norms and conflicting values.

    PubMed

    Selgelid, Michael J

    2005-09-01

    While UNESCO's Universal Draft Declaration on Bioethics and Human Rights highlights appropriate ethical values, its principles are stated in absolute terms and conflict with one another. The Draft Declaration fails to sufficiently address the possibility of conflict between principles, and it provides no real guidance on how to strike a balance between them in cases where conflict occurs. The document's inadequate treatment of conflicting values is revealed by examination of cases where principles aimed at the promotion of autonomy and liberty conflict with those aimed at benefit maximization and harm minimization. I argue that liberty (and autonomy) may be less important in the context of health care than in other contexts, and I conclude by suggesting specific ways in which some of UNESCO's principles should be revised in order to better address the reality of conflicting values.

  6. Simulation of soil loss processes based on rainfall runoff and the time factor of governance in the Jialing River Watershed, China.

    PubMed

    Wu, Lei; Long, Tian-Yu; Liu, Xia; Mmereki, Daniel

    2012-06-01

    Jialing River is the largest tributary in the catchment area of Three Gorges Reservoir, and it is also one of the important areas of sediment yield in the upper reaches of the Yangtze River. In recent years, significant changes of water and sediment characteristics have taken place. The "Long Control" Project implemented since 1989 had greatly changed the surface appearance of the Jialing River Watershed (JRW), and it had made the environments of the watershed sediment yield and sediment transport change significantly. In this research, the Revised Universal Soil Loss Equation was selected and used to predict the annual average amount of soil erosion for the special water and sediment environments in the JRW after the implementation of the "Long Control" Project, and then the rainfall-runoff modulus and the time factor of governance were both considered as dynamic factors, the dynamic sediment transport model was built for soil erosion monitoring and forecasting based on the average sediment yield model. According to the dynamic model, the spatial and temporal distribution of soil erosion amount and sediment transport amount of the JRW from 1990 to 2007 was simulated using geographic information system (GIS) technology and space-grid algorithm. Simulation results showed that the average relative error of sediment transport was less than 10% except for the extreme hydrological year. The relationship between water and sediment from 1990 to 2007 showed that sediment interception effects of the soil and water conservation projects were obvious: the annual average sediment discharge reduced from 145.3 to 35 million tons, the decrement of sediment amount was about 111 million tons, and decreasing amplitude was 76%; the sediment concentration was also decreased from 2.01 to 0.578 kg/m(3). These data are of great significance for the prediction and estimation of the future changing trends of sediment storage in the Three Gorges Reservoir and the particulate non

  7. Recapturing the Universal in the University

    ERIC Educational Resources Information Center

    Barnett, Ronald

    2005-01-01

    The idea of "the university" has stood for universal themes--of knowing, of truthfulness, of learning, of human development, and of critical reason. Through its affirming and sustaining of such themes, the university came itself to stand for universality in at least two senses: the university was neither partial (in its truth criteria) nor local…

  8. Code of Fair Testing Practices in Education (Revised)

    ERIC Educational Resources Information Center

    Educational Measurement: Issues and Practice, 2005

    2005-01-01

    A note from the Working Group of the Joint Committee on Testing Practices: The "Code of Fair Testing Practices in Education (Code)" prepared by the Joint Committee on Testing Practices (JCTP) has just been revised for the first time since its initial introduction in 1988. The revision of the Code was inspired primarily by the revision of…

  9. Promoting Self-Directed Revision in EFL Writing Classes

    ERIC Educational Resources Information Center

    Coomber, Matthew

    2016-01-01

    Second language writers need to develop the ability to revise their writing independently of third party advice; thus, it is important that teachers devise methods by which to promote habits of self-directed revision. This quasi-experimental study investigates three classroom activities designed to encourage students to independently revise essays…

  10. 7 CFR 277.3 - Budgets and budget revision procedures.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 4 2013-01-01 2013-01-01 false Budgets and budget revision procedures. 277.3 Section... OF STATE AGENCIES § 277.3 Budgets and budget revision procedures. The preparation, content, submittal, and revision requirements for the State Food Stamp Program Budget shall be as specified in §...

  11. 40 CFR 60.4124 - Hg budget permit revisions.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 6 2011-07-01 2011-07-01 false Hg budget permit revisions. 60.4124... Coal-Fired Electric Steam Generating Units Permits § 60.4124 Hg budget permit revisions. Except as provided in § 60.4123(b), the permitting authority will revise the Hg Budget permit, as necessary,...

  12. 40 CFR 60.4124 - Hg budget permit revisions.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 6 2010-07-01 2010-07-01 false Hg budget permit revisions. 60.4124... Coal-Fired Electric Steam Generating Units Permits § 60.4124 Hg budget permit revisions. Except as provided in § 60.4123(b), the permitting authority will revise the Hg Budget permit, as necessary,...

  13. 46 CFR 8.550 - Plan review and revisions.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... revisions. The CAP and VAP(s) must be reviewed and revised as follows: (1) Every 2 years after the plan... the VAP. (3) If a reportable casualty occurs, the cognizant OCMI will review the portions of the VAP... revisions to the VAP are appropriate. (4) When statutes or regulations change, the appropriate sections...

  14. Social network integration of the ICD11 revision platform.

    PubMed

    Della Mea, Vincenzo; Vuattolo, Omar; Celik, Can; Ustun, Bedirhan

    2013-01-01

    Classification revision and update can be defined as a social experience, with the participating community of experts behaving like a social network. ICD11 is being revised using an innovative web based process, for which we envisioned also tools for social platforms integration. The present poster preliminarily describes the Facebook tools developed for soliciting expert and participation in the ICD11 revision process.

  15. Cognitive Processes in Revision. CDC Technical Report No. 12.

    ERIC Educational Resources Information Center

    Hayes, John R.; And Others

    A new model of the revision process in written composition, based on the results of thinking aloud protocol studies, is presented in this report. The report begins by discussing earlier observations and theories of revision that establish four points: (1) there are large differences among writers in the amount of revising they do, (2) expert…

  16. Integrating Relational Reasoning and Knowledge Revision during Reading

    ERIC Educational Resources Information Center

    Kendeou, Panayiota; Butterfuss, Reese; Van Boekel, Martin; O'Brien, Edward J.

    2017-01-01

    Our goal in this theoretical contribution is to connect research on knowledge revision and relational reasoning. To achieve this goal, first, we review the "knowledge revision components framework" (KReC) that provides an account of knowledge revision processes, specifically as they unfold during reading of texts. Second, we review a…

  17. A National Survey of Revising Practices in the Primary Classroom

    ERIC Educational Resources Information Center

    Saddler, Bruce; Saddler, Kristie; Befoorhooz, Bita; Cuccio-Slichko, Julie

    2014-01-01

    A random national sampling of primary grade teachers in the United States were surveyed to determine how they teach revising to writers in the elementary grades. Our findings suggest that in our sample of teachers, little time is dedicated in the school day to writing and especially revising. The teachers believed that more time spent revising did…

  18. 12 CFR 332.8 - Revised privacy notices.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 12 Banks and Banking 4 2011-01-01 2011-01-01 false Revised privacy notices. 332.8 Section 332.8... PRIVACY OF CONSUMER FINANCIAL INFORMATION Privacy and Opt Out Notices § 332.8 Revised privacy notices. (a... described in your prior notice. (c) Delivery. When you are required to deliver a revised privacy notice...

  19. 12 CFR 332.8 - Revised privacy notices.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 12 Banks and Banking 5 2014-01-01 2014-01-01 false Revised privacy notices. 332.8 Section 332.8... PRIVACY OF CONSUMER FINANCIAL INFORMATION Privacy and Opt Out Notices § 332.8 Revised privacy notices. (a... described in your prior notice. (c) Delivery. When you are required to deliver a revised privacy notice...

  20. 12 CFR 332.8 - Revised privacy notices.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 12 Banks and Banking 4 2010-01-01 2010-01-01 false Revised privacy notices. 332.8 Section 332.8... PRIVACY OF CONSUMER FINANCIAL INFORMATION Privacy and Opt Out Notices § 332.8 Revised privacy notices. (a... described in your prior notice. (c) Delivery. When you are required to deliver a revised privacy notice...

  1. 12 CFR 332.8 - Revised privacy notices.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 12 Banks and Banking 5 2012-01-01 2012-01-01 false Revised privacy notices. 332.8 Section 332.8... PRIVACY OF CONSUMER FINANCIAL INFORMATION Privacy and Opt Out Notices § 332.8 Revised privacy notices. (a... described in your prior notice. (c) Delivery. When you are required to deliver a revised privacy notice...

  2. 12 CFR 332.8 - Revised privacy notices.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 12 Banks and Banking 5 2013-01-01 2013-01-01 false Revised privacy notices. 332.8 Section 332.8... PRIVACY OF CONSUMER FINANCIAL INFORMATION Privacy and Opt Out Notices § 332.8 Revised privacy notices. (a... described in your prior notice. (c) Delivery. When you are required to deliver a revised privacy notice...

  3. 50 CFR 660.717 - Framework for revising regulations.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 50 Wildlife and Fisheries 13 2012-10-01 2012-10-01 false Framework for revising regulations. 660... Migratory Fisheries § 660.717 Framework for revising regulations. (a) General. NMFS will establish and..., removed, or revised. Any such action will be made according to the framework measures in section 8.3.4...

  4. 50 CFR 660.717 - Framework for revising regulations.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 50 Wildlife and Fisheries 9 2010-10-01 2010-10-01 false Framework for revising regulations. 660... Migratory Fisheries § 660.717 Framework for revising regulations. (a) General. NMFS will establish and..., removed, or revised. Any such action will be made according to the framework measures in section 8.3.4...

  5. 50 CFR 660.717 - Framework for revising regulations.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 50 Wildlife and Fisheries 13 2014-10-01 2014-10-01 false Framework for revising regulations. 660... Migratory Fisheries § 660.717 Framework for revising regulations. (a) General. NMFS will establish and..., removed, or revised. Any such action will be made according to the framework measures in section 8.3.4...

  6. 50 CFR 660.717 - Framework for revising regulations.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 50 Wildlife and Fisheries 11 2011-10-01 2011-10-01 false Framework for revising regulations. 660... Migratory Fisheries § 660.717 Framework for revising regulations. (a) General. NMFS will establish and..., removed, or revised. Any such action will be made according to the framework measures in section 8.3.4...

  7. 50 CFR 660.717 - Framework for revising regulations.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 50 Wildlife and Fisheries 13 2013-10-01 2013-10-01 false Framework for revising regulations. 660... Migratory Fisheries § 660.717 Framework for revising regulations. (a) General. NMFS will establish and..., removed, or revised. Any such action will be made according to the framework measures in section 8.3.4...

  8. 78 FR 44596 - Minor Boundary Revision at Yosemite National Park

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-24

    ... National Park Service Minor Boundary Revision at Yosemite National Park AGENCY: National Park Service, Interior. ACTION: Notification of Boundary Revision. SUMMARY: The boundary of Yosemite National Park is... boundary of Yosemite National Park. DATES: The effective date of this boundary revision is July 24,...

  9. 75 FR 33165 - Revision of Class E Airspace; Galena, AK

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-06-11

    ... revising Class E airspace at Edward G. Pitka Sr. Airport, AK, to accommodate three amended SIAPs and one... TRANSPORTATION Federal Aviation Administration 14 CFR Part 71 Revision of Class E Airspace; Galena, AK AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final Rule. SUMMARY: This action revises Class...

  10. Revision of the Coulomb logarithm in the ideal plasma

    SciTech Connect

    Mulser, P. Alber, G.; Murakami, M.

    2014-04-15

    The standard picture of the Coulomb logarithm in the ideal plasma is controversial, the arguments for the lower cut off need revision. The two cases of far subthermal and of far superthermal electron drift motions are accessible to a rigorous analytical treatment. We show that the lower cut off b{sub min} is a function of symmetry and shape of the shielding cloud, it is not universal. In the subthermal case, shielding is spherical and b{sub min} is to be identified with the de Broglie wavelength; at superthermal drift the shielding cloud exhibits cylindrical (axial) symmetry and b{sub min} is the classical parameter of perpendicular deflection. In both situations, the cut offs are determined by the electron-ion encounters at large collision parameters. This is in net contrast to the governing standard interpretation that attributes b{sub min} to the Coulomb singularity at vanishing collision parameters b and, consequently, assigns it universal validity. The origin of the contradictions in the traditional picture is analyzed.

  11. Distributive Education: Secondary, Course Outline. Revised 1972.

    ERIC Educational Resources Information Center

    Washington State Coordinating Council for Occupational Education, Olympia.

    The document is a revision of earlier units, updated to include behavioral or performance objectives. Divided into 22 units of instruction, the course outline for distributive education presents suggested length of time for each part of a unit, prerequisites, a description of the part, objectives, sources, outline for the section, activities,…

  12. Revision of the Delta Nursing Scales.

    ERIC Educational Resources Information Center

    Wilson, Barry J.; Packwood, Gene

    An item analysis was performed on two rating scales, the Delta Survey of Nurses and the Delta Nursing Survey, developed for evaluating the preparation and job performance of nursing graduates. Resulting data supported the basic design of the instruments. The revised instruments consist of seven fewer items; two subtests were deleted, and a number…

  13. Personalisation: The Emerging "Revised" Code of Education?

    ERIC Educational Resources Information Center

    Hartley, David

    2007-01-01

    In England, a "revised" educational code appears to be emerging. It centres upon the concept of "personalisation". Its basis is less in educational theory, more in contemporary marketing theory. Personalisation can be regarded in two ways. First, it provides the rationale for a new mode of public-service delivery, one which…

  14. Revised Reynolds Stress and Triple Product Models

    NASA Technical Reports Server (NTRS)

    Olsen, Michael E.; Lillard, Randolph P.

    2017-01-01

    Revised versions of Lag methodology Reynolds-stress and triple product models are applied to accepted test cases to assess the improvement, or lack thereof, in the prediction capability of the models. The Bachalo-Johnson bump flow is shown as an example for this abstract submission.

  15. Compendium of Copyright Office Practices. 1973 Revisions.

    ERIC Educational Resources Information Center

    Library of Congress, Washington, DC. Copyright Office.

    Proposed revisions and additions to the Compendium of Copyright Office practices for 1973 are presented. The bulk of the changes occur in Chapter 2, "Copyrightable Matter." The sub-areas, "Periodicals (Class B),""Works Prepared for Oral Delivery (Class C),""Music (Class E)," and "Motion Pictures…

  16. 75 FR 60485 - NRC Enforcement Policy Revision

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-09-30

    ... Base Civil Penalties: a. Geologic Repository for Spent Fuel and/or High-Level Waste Repository The... of High-Level Radioactive Wastes in Geologic Repositories,'' and 10 CFR Part 63, ``Disposal of High... the revised Policy under the generic heading ``High-Level Waste Repository'' to address...

  17. Schools without Drugs. What Works. Revised Edition.

    ERIC Educational Resources Information Center

    Department of Education, Washington, DC.

    This revised edition focuses on the prevention of drug use among school students, with increased attention to alcohol, tobacco, and steroids. The handbook, which begins with an introduction by Secretary of Education, Lauro F. Cavazos, provides new information about the effects of alcohol on young people; statistics on the harm it causes; and…

  18. 43 CFR 1610.5-6 - Revision.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 43 Public Lands: Interior 2 2011-10-01 2011-10-01 false Revision. 1610.5-6 Section 1610.5-6 Public Lands: Interior Regulations Relating to Public Lands (Continued) BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR GENERAL MANAGEMENT (1000) PLANNING, PROGRAMMING, BUDGETING Resource...

  19. EMC (Electromagnetic Compatibility) Standards Handbook. Revision 4,

    DTIC Science & Technology

    1982-11-01

    Regulations arc prepared EMC November 1982 3-2 STANDARDS HANDBOOK REVISION DATE SECTION-PAGE by VDE Standards Committees (VDE Normen Ausschuss). Individual...regulation has a well- % publicized review that is coordinated with the German Standards Institute (Deutches Institute fuer Normen , DIN) and the German

  20. Mass Media and Communication. Second, Revised Edition.

    ERIC Educational Resources Information Center

    Steinberg, Charles S., Ed.

    This revised and enlarged second edition contains sections focusing on a number of mass media: newspapers, the American magazine, motion pictures, broadcasting media, and book publishing. Other section topics include the structure and development of mass communication, public opinion, international communication, the motivation of assent, the…

  1. Psychometric Characteristics of the Revised Procrastination Inventory.

    ERIC Educational Resources Information Center

    Johnson, Erica M.; Green, Kathy E.; Kluever, Raymond C.

    2000-01-01

    The Procrastination Inventory developed for use with doctoral students in clinical psychology was modified for use with all-but-dissertation students and doctoral graduates in a college of education. Factor and Rasch analyses of the revised measure identified three subscales: (1) procrastination, (2) perfectionism, and (3) graduate school comfort.…

  2. Revised charge equilibration potential for liquid alkanes.

    PubMed

    Davis, Joseph E; Warren, G Lee; Patel, Sandeep

    2008-07-17

    We present a revised liquid alkane force field based on the charge equilibration formalism for incorporating electrostatic nonadditive effects arising from local polarization. The model is a revision of earlier work by Patel and Brooks, specifically addressing deficiencies in the dihedral potential, electrostatic, and Lennard-Jones (van der Waals) parameters of the force field. We discuss refinement of the alkane backbone torsion potential to match high-level ab initio relative conformational energetics for pentane, hexane, and heptane. We further discuss refinement of the electrostatic and Lennard-Jones (van der Waals) parameters to reproduce the experimental polarizability, liquid density, and vaporization enthalpy of hexane. Finally, we calculate bulk liquid properties including densities, vaporization enthalpies, self-diffusion constants, isothermal compressibilities, constant pressure heat capacities, and NMR T 1 relaxation times for a series of linear alkanes ranging from hexane to pentadecane based on the current revised model. We also compute free energies of hydration for pentane, hexane, and heptane. The revised force field offers a significantly improved overall description of these properties relative to the original parametrization. The current alkane force field represents a platform for ongoing development of a CHARMM (Chemistry at Harvard Molecular Mechanics) polarizable force field for lipids and integral membrane proteins.

  3. More Than A Native Speaker, Revised Edition

    ERIC Educational Resources Information Center

    Snow, Don, Ed.

    2006-01-01

    This revised edition includes an expanded discussion of student-directed language learning, workbook activities for volunteer teachers enrolled in courses or studying the book individually, and a full array of culture-based discussion topics for use as supplementary activities or core material for an English course. The book includes 16 chapters.…

  4. 76 FR 57012 - Progress Reports Rules Revision

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-09-15

    ... of Prisons 28 CFR Part 524 RIN 1120-AB60 Progress Reports Rules Revision AGENCY: Bureau of Prisons, Justice. ACTION: Proposed rule. SUMMARY: In this document, the Bureau of Prisons (Bureau) proposes to..., Office of General Counsel, Bureau of Prisons, 320 First Street, NW., Washington, DC 20534. You may...

  5. 50 CFR 37.25 - Revision.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... Fisheries UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR (CONTINUED) THE NATIONAL WILDLIFE REFUGE SYSTEM GEOLOGICAL AND GEOPHYSICAL EXPLORATION OF THE COASTAL PLAIN, ARCTIC NATIONAL WILDLIFE REFUGE, ALASKA Exploration Plans § 37.25 Revision. (a) A permittee may request the...

  6. 50 CFR 37.25 - Revision.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... Fisheries UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR (CONTINUED) THE NATIONAL WILDLIFE REFUGE SYSTEM GEOLOGICAL AND GEOPHYSICAL EXPLORATION OF THE COASTAL PLAIN, ARCTIC NATIONAL WILDLIFE REFUGE, ALASKA Exploration Plans § 37.25 Revision. (a) A permittee may request the...

  7. 50 CFR 37.25 - Revision.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... Fisheries UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR (CONTINUED) THE NATIONAL WILDLIFE REFUGE SYSTEM GEOLOGICAL AND GEOPHYSICAL EXPLORATION OF THE COASTAL PLAIN, ARCTIC NATIONAL WILDLIFE REFUGE, ALASKA Exploration Plans § 37.25 Revision. (a) A permittee may request the...

  8. 50 CFR 37.25 - Revision.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... Fisheries UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR (CONTINUED) THE NATIONAL WILDLIFE REFUGE SYSTEM GEOLOGICAL AND GEOPHYSICAL EXPLORATION OF THE COASTAL PLAIN, ARCTIC NATIONAL WILDLIFE REFUGE, ALASKA Exploration Plans § 37.25 Revision. (a) A permittee may request the...

  9. 50 CFR 37.25 - Revision.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... Fisheries UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR (CONTINUED) THE NATIONAL WILDLIFE REFUGE SYSTEM GEOLOGICAL AND GEOPHYSICAL EXPLORATION OF THE COASTAL PLAIN, ARCTIC NATIONAL WILDLIFE REFUGE, ALASKA Exploration Plans § 37.25 Revision. (a) A permittee may request the...

  10. Guide to Vocational Program Planning. Revised.

    ERIC Educational Resources Information Center

    Virginia State Dept. of Education, Richmond. Div. of Adolescent Education.

    This revised edition of a guide to vocational program planning in Virginia is intended to be used as a principal resource for vocational program design and application and to serve as a supplement to program information provided to localities by the individual service areas. The guide is organized in eight sections, one for each program area:…

  11. Needs Assessment for Continuous Curriculum Revision.

    ERIC Educational Resources Information Center

    Weddington, Doris

    Continuous curriculum revision in community/junior colleges can be provided by treating the curriculum as a self-correcting set of systems with feedback loops and marginal sensors which supply information needed for constant system evaluation. This curriculum-related set of sub-systems is comprised of the institution, the curriculum, programs, and…

  12. AAHPER Youth Fitness Test Manual. Revised Edition.

    ERIC Educational Resources Information Center

    American Alliance for Health, Physical Education, and Recreation, Washington, DC.

    The Revised AAHPER Youth Fitness Test is a battery of six test items designed to give a measure of physical fitness for boys and girls in grades 5-12. The tests were selected to evaluate specific aspects of physical status which, taken together, give an overall picture of fitness. Tests can be given in the gymnasium or outdoors. They are as…

  13. Accreditation Standards Revision: Democratic, Unilateral, or Dictatorial?

    ERIC Educational Resources Information Center

    Kandor, Joseph R.; Bobby, Carol L.

    1991-01-01

    Responds to the questions and concerns raised in the previous article by Engels that relate to the accreditation procedures and standards revision process of the Council for Accreditation of Counseling and Related Educational Programs (CACREP). Notes articles such as Engels' must consider CACREP Board's activities, decision, and interpretations.…

  14. 44 CFR 65.7 - Floodway revisions.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... by communities participating in the NFIP). (4) Engineering analysis for the revised floodway, as described below: (i) The floodway analysis must be performed using the hydraulic computer model used to... output data from the original and modified computer models must be submitted. (5) Delineation of...

  15. 44 CFR 65.7 - Floodway revisions.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... by communities participating in the NFIP). (4) Engineering analysis for the revised floodway, as described below: (i) The floodway analysis must be performed using the hydraulic computer model used to... output data from the original and modified computer models must be submitted. (5) Delineation of...

  16. 44 CFR 65.7 - Floodway revisions.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... by communities participating in the NFIP). (4) Engineering analysis for the revised floodway, as described below: (i) The floodway analysis must be performed using the hydraulic computer model used to... output data from the original and modified computer models must be submitted. (5) Delineation of...

  17. Revision of the Oberthuerellinae (Cynipoidea: Liopteridae)

    Technology Transfer Automated Retrieval System (TEKTRAN)

    The Afrotropical endemic Oberthuerellinae is revised, and new dichotomous and multi-entry keys to the species of Oberthuerella, Tessmannella, and Xenocynips are provided. All previously described species in these genera are redescribed; descriptions are augmented by color images of each species' ho...

  18. Mid-Prairie. First Grade Revision.

    ERIC Educational Resources Information Center

    Joint County System of Cedar, Johnson, Linn, and Washington Counties, Cedar Rapids, IA.

    Written by teachers in the Mid-Prairie Community School District, this revised 1st grade social studies curriculum guide will be tested in the 1970-71 school year and evaluated in the Spring. The units emphasize general communication skills and the building of a background for specific social studies skills: reading social studies material;…

  19. Anomalies of Nuclear Criticality, Revision 6

    SciTech Connect

    Clayton, E. D.; Prichard, Andrew W.; Durst, Bonita E.; Erickson, David; Puigh, Raymond J.

    2010-02-19

    This report is revision 6 of the Anomalies of Nuclear Criticality. This report is required reading for the training of criticality professionals in many organizations both nationally and internationally. This report describes many different classes of nuclear criticality anomalies that are different than expected.

  20. IRIS Toxicological Review of Ammonia (Revised External ...

    EPA Pesticide Factsheets

    In August 2013, EPA submitted a revised draft IRIS assessment of ammonia to the agency's Science Advisory Board (SAB) and posted this draft on the IRIS website. EPA had previously released a draft of the assessment for public comment, held a public meeting about the draft, and then revised it based on the comments received. The SAB CAAC-Ammonia panel will review this draft assessment. Details about the meeting dates, times, and location are available via the Federal Register Notice posted on March 25, 2014. The SAB provided information on how the public can participate in the external peer review meetings, as well as instructions about how to provide comments to the SAB in the notice. Additional information on the SAB review of ammonia is on the SAB website. Report Information: The Toxicological Review of Ammonia was originally released for a 60-day public comment period on June 8, 2012. [Federal Register Notice Jun 8, 2012] EPA revised the toxicological review in response to the public comments received. EPA has released the revised external review draft ammonia assessment and the SAB CAAC is conducting a peer review of the scientific basis supporting the assessment that will appear in the Integrated Risk Information System (IRIS) database. Information regarding the peer review can be found at the SAB review of ammonia website. EPA is undertaking an Integrated Risk Information System (IRIS) health assessment for ammonia. IRIS is an EPA database cont

  1. New Ways of Classroom Assessment. Revised

    ERIC Educational Resources Information Center

    Brown, J. D., Ed.

    2013-01-01

    In this revised edition in the popular New Ways Series, teachers have once again been given an opportunity to show how they do assessment in their classrooms on an everyday basis. Often feeling helpless when confronted with large-scale standardized testing practices, teachers here offer classroom testing created with the direct aim of helping…

  2. Revision of Benedictus Scherer (Coleoptera: Chrysomelidae: Galerucinae)

    Technology Transfer Automated Retrieval System (TEKTRAN)

    The alpine flea beetle genus Benedictus Scherer (Coleoptera: Chrysomelidae: Galerucinae) is revised. Twenty new species, namely B. chilalla, B. dochula, B. ha, B. nobding, B. thumsila and B. yatongla from Bhutan, B. belousovi, B. cangshanicus, B. kabaki, B. kurbatovi, B. nigrinus, B. sichuanensis a...

  3. CO2 laser in revision stapes surgery

    NASA Astrophysics Data System (ADS)

    Jovanovic, Sergije; Schoenfeld, Uwe; Scherer, Hans H.

    1997-05-01

    Successful restoration of audition in revision stapedotomies involves precise identification and correction of the pathological condition without traumatizing the inner ear. Conventional surgical procedures often lead to unsatisfactory audition results and inner ear damages. In revision stapedotomy, the carbon-dioxide laser provides the ear surgeon with three important advantages over the conventional technique: (1) improved diagnostic and therapeutic precision, (2) better stabilization of the new prosthesis in the oval niche, and (3) reduction of inner ear trauma through non- contact atraumatic management. The surgical procedure of revision stapedotomies with the carbon dioxide laser is discussed, and case examples are used to illustrate the diversity of pathological conditions that can be treated by carbon-dioxide laser surgery. Our experience with revision carbon-dioxide laser stapedotomy suggests an improvement of postoperative audition compared to the conventional technique and demonstrates a significant elimination of sensorineural deafness. The carbon-dioxide laser enables the ear surgeon to precisely and reliably correct conduction deafness recurring after stapedotomy.

  4. Soil Organic Carbon dynamics in agricultural soils of Veneto Region

    NASA Astrophysics Data System (ADS)

    Bampa, F. B.; Morari, F. M.; Hiederer, R. H.; Toth, G. T.; Giandon, P. G.; Vinci, I. V.; Montanarella, L. M.; Nocita, M.

    2012-04-01

    management of the EU territory by field observations of geo-referenced points. In 2009, a topsoil (0-30 cm) module was included to the survey and a subset of around 21,000 sites was sampled in 23 Member States. The second source is a soil survey monitoring pilot campaign carried in Veneto Region last year. The pilot campaign has been organized with the collaboration between JRC, University of Padova and ARPAV Veneto. The scope was to apply the LUCAS methodology to an experimental soil survey of 40 samples. The selection of the points to survey has been done on the basis of the LUCAS project related to Veneto Region, pedo-climatic and management unit conditions and the database on soils belonging to ARPAV Soil Unit, collected ante 2000. Data started to be investigated and permit to show changes in SOC content in a decade for different land use/cover and climatic areas. Through the bulk density data collected and the data already available from ARPAV library, it's possible to evaluate the Carbon stocks of Veneto region. Possible changes in Carbon can be related to land use changes and different strategies of management practices adopted over time.

  5. Long-term toxicity assessment of soils in a recovered area affected by a mining spill.

    PubMed

    Romero-Freire, A; García Fernández, I; Simón Torres, M; Martínez Garzón, F J; Martín Peinado, F J

    2016-01-01

    Residual pollution in the Guadiamar Green Corridor still remains after Aználcollar mine spill in 1998. The polluted areas are identified by the absence of vegetation, soil acidic pH and high concentrations of As, Pb, Zn and Cu. Soil toxicity was assessed by lettuce root elongation and induced soil respiration bioassays. In bare soils, total As and Pb concentrations and water-extractable levels for As, Zn and Cu exceeded the toxicity guidelines. Pollutants responsible for toxicity were different depending on the tested organism, with arsenic being most toxic for lettuce and the metal mixture to soil respiration. Soil properties, such as pH or organic carbon content, are key factors to control metal availability and toxicity in the area. According to our results, there is a risk of pollution to living organisms and the soil quality criteria established in the area should be revised to reduce the risk of toxicity.

  6. Ian's Universe

    NASA Astrophysics Data System (ADS)

    Kogan, Bella

    Everyone has their own private universe. Ian's was immense and diverse. But there are two main parts that determined his world. One was of course PHYSICS. He was one of the rare breed for whom there was only one possible way of life. 10 years ago when his job prospects were bleak he was thinking of quitting physics and becoming a "taxi driver" which meant a financial analyst, a programmer, anything. For him all professions divided into two categories — physics and non-physics, a "taxi driver"…

  7. Open University

    ScienceCinema

    None

    2016-07-12

    Michel Pentz est née en Afrique du Sud et venu au Cern en 1957 comme physicien et président de l'associaion du personnel. Il est également fondateur du mouvement Antiapartheid de Genève et a participé à la fondation de l'Open University en Grande-Bretagne. Il nous parle des contextes pédagogiques, culturels et nationaux dans lesquels la méthode peut s'appliquer.

  8. Influence of soil moisture on soil respiration

    NASA Astrophysics Data System (ADS)

    Fer, Miroslav; Kodesova, Radka; Nikodem, Antonin; Klement, Ales; Jelenova, Klara

    2015-04-01

    The aim of this work was to describe an impact of soil moisture on soil respiration. Study was performed on soil samples from morphologically diverse study site in loess region of Southern Moravia, Czech Republic. The original soil type is Haplic Chernozem, which was due to erosion changed into Regosol (steep parts) and Colluvial soil (base slope and the tributary valley). Soil samples were collected from topsoils at 5 points of the selected elevation transect and also from the parent material (loess). Grab soil samples, undisturbed soil samples (small - 100 cm3, and large - 713 cm3) and undisturbed soil blocks were taken. Basic soil properties were determined on grab soil samples. Small undisturbed soil samples were used to determine the soil water retention curves and the hydraulic conductivity functions using the multiple outflow tests in Tempe cells and a numerical inversion with HYDRUS 1-D. During experiments performed in greenhouse dry large undisturbed soil samples were wetted from below using a kaolin tank and cumulative water inflow due to capillary rise was measured. Simultaneously net CO2 exchange rate and net H2O exchange rate were measured using LCi-SD portable photosynthesis system with Soil Respiration Chamber. Numerical inversion of the measured cumulative capillary rise data using the HYDRUS-1D program was applied to modify selected soil hydraulic parameters for particular conditions and to simulate actual soil water distribution within each soil column in selected times. Undisturbed soil blocks were used to prepare thin soil sections to study soil-pore structure. Results for all soil samples showed that at the beginning of soil samples wetting the CO2 emission increased because of improving condition for microbes' activity. The maximum values were reached for soil column average soil water content between 0.10 and 0.15 cm3/cm3. Next CO2 emission decreased since the pore system starts filling by water (i.e. aggravated conditions for microbes

  9. An Alaska Soil Carbon Database

    NASA Astrophysics Data System (ADS)

    Johnson, Kristofer; Harden, Jennifer

    2009-05-01

    Database Collaborator's Meeting; Fairbanks, Alaska, 4 March 2009; Soil carbon pools in northern high-latitude regions and their response to climate changes are highly uncertain, and collaboration is required from field scientists and modelers to establish baseline data for carbon cycle studies. The Global Change Program at the U.S. Geological Survey has funded a 2-year effort to establish a soil carbon network and database for Alaska based on collaborations from numerous institutions. To initiate a community effort, a workshop for the development of an Alaska soil carbon database was held at the University of Alaska Fairbanks. The database will be a resource for spatial and biogeochemical models of Alaska ecosystems and will serve as a prototype for a nationwide community project: the National Soil Carbon Network (http://www.soilcarb.net). Studies will benefit from the combination of multiple academic and government data sets. This collaborative effort is expected to identify data gaps and uncertainties more comprehensively. Future applications of information contained in the database will identify specific vulnerabilities of soil carbon in Alaska to climate change, disturbance, and vegetation change.

  10. Modeling the soil water retention curves of soil-gravel mixtures with regression method on the Loess Plateau of China.

    PubMed

    Wang, Huifang; Xiao, Bo; Wang, Mingyu; Shao, Ming'an

    2013-01-01

    Soil water retention parameters are critical to quantify flow and solute transport in vadose zone, while the presence of rock fragments remarkably increases their variability. Therefore a novel method for determining water retention parameters of soil-gravel mixtures is required. The procedure to generate such a model is based firstly on the determination of the quantitative relationship between the content of rock fragments and the effective saturation of soil-gravel mixtures, and then on the integration of this relationship with former analytical equations of water retention curves (WRCs). In order to find such relationships, laboratory experiments were conducted to determine WRCs of soil-gravel mixtures obtained with a clay loam soil mixed with shale clasts or pebbles in three size groups with various gravel contents. Data showed that the effective saturation of the soil-gravel mixtures with the same kind of gravels within one size group had a linear relation with gravel contents, and had a power relation with the bulk density of samples at any pressure head. Revised formulas for water retention properties of the soil-gravel mixtures are proposed to establish the water retention curved surface models of the power-linear functions and power functions. The analysis of the parameters obtained by regression and validation of the empirical models showed that they were acceptable by using either the measured data of separate gravel size group or those of all the three gravel size groups having a large size range. Furthermore, the regression parameters of the curved surfaces for the soil-gravel mixtures with a large range of gravel content could be determined from the water retention data of the soil-gravel mixtures with two representative gravel contents or bulk densities. Such revised water retention models are potentially applicable in regional or large scale field investigations of significantly heterogeneous media, where various gravel sizes and different gravel

  11. Modeling the Soil Water Retention Curves of Soil-Gravel Mixtures with Regression Method on the Loess Plateau of China

    PubMed Central

    Wang, Huifang; Xiao, Bo; Wang, Mingyu; Shao, Ming'an

    2013-01-01

    Soil water retention parameters are critical to quantify flow and solute transport in vadose zone, while the presence of rock fragments remarkably increases their variability. Therefore a novel method for determining water retention parameters of soil-gravel mixtures is required. The procedure to generate such a model is based firstly on the determination of the quantitative relationship between the content of rock fragments and the effective saturation of soil-gravel mixtures, and then on the integration of this relationship with former analytical equations of water retention curves (WRCs). In order to find such relationships, laboratory experiments were conducted to determine WRCs of soil-gravel mixtures obtained with a clay loam soil mixed with shale clasts or pebbles in three size groups with various gravel contents. Data showed that the effective saturation of the soil-gravel mixtures with the same kind of gravels within one size group had a linear relation with gravel contents, and had a power relation with the bulk density of samples at any pressure head. Revised formulas for water retention properties of the soil-gravel mixtures are proposed to establish the water retention curved surface models of the power-linear functions and power functions. The analysis of the parameters obtained by regression and validation of the empirical models showed that they were acceptable by using either the measured data of separate gravel size group or those of all the three gravel size groups having a large size range. Furthermore, the regression parameters of the curved surfaces for the soil-gravel mixtures with a large range of gravel content could be determined from the water retention data of the soil-gravel mixtures with two representative gravel contents or bulk densities. Such revised water retention models are potentially applicable in regional or large scale field investigations of significantly heterogeneous media, where various gravel sizes and different gravel

  12. 30 CFR 585.617 - What activities require a revision to my SAP, and when will BOEM approve the revision?

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 30 Mineral Resources 2 2014-07-01 2014-07-01 false What activities require a revision to my SAP... FACILITIES ON THE OUTER CONTINENTAL SHELF Plans and Information Requirements Activities Under An Approved Sap § 585.617 What activities require a revision to my SAP, and when will BOEM approve the revision? (a)...

  13. 30 CFR 585.617 - What activities require a revision to my SAP, and when will BOEM approve the revision?

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 30 Mineral Resources 2 2012-07-01 2012-07-01 false What activities require a revision to my SAP... FACILITIES ON THE OUTER CONTINENTAL SHELF Plans and Information Requirements Activities Under An Approved Sap § 585.617 What activities require a revision to my SAP, and when will BOEM approve the revision? (a)...

  14. 30 CFR 585.617 - What activities require a revision to my SAP, and when will BOEM approve the revision?

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 30 Mineral Resources 2 2013-07-01 2013-07-01 false What activities require a revision to my SAP... FACILITIES ON THE OUTER CONTINENTAL SHELF Plans and Information Requirements Activities Under An Approved Sap § 585.617 What activities require a revision to my SAP, and when will BOEM approve the revision? (a)...

  15. 30 CFR 285.617 - What activities require a revision to my SAP, and when will MMS approve the revision?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 30 Mineral Resources 2 2010-07-01 2010-07-01 false What activities require a revision to my SAP... OUTER CONTINENTAL SHELF Plans and Information Requirements Activities Under An Approved Sap § 285.617 What activities require a revision to my SAP, and when will MMS approve the revision? (a) You...

  16. Single application of Sewage Sludge to an Alluvial Agricultural Soil - impacts on Soil Quality

    NASA Astrophysics Data System (ADS)

    Suhadolc, M.; Graham, D. B.; Hagn, A.; Doerfler, U.; Schloter, M.; Schroll, R.; Munch, J. C.; Lobnik, F.

    2009-04-01

    Limited information exists on the effects of sewage sludge on soil quality with regard to their ability to maintain soil functions. We studied effects of sewage sludge amendment on soil chemical properties, microbial community structure and microbial degradation of the herbicide glyphosate. Three months soil column leaching experiment has been conducted using alluvial soils (Eutric Fluvisol) with no prior history of sludge application. The soil was loamy with pH 7,4 and organic matter content of 3,5%. Soil material in the upper 2 cm of columns was mixed with dehydrated sewage sludge which was applied in amounts corresponding to the standards governing the use of sewage sludge for agricultural land. Sludge did increase some nutrients (total N, NH4+, available P and K, organic carbon) and some heavy metals contents (Zn, Cu, Pb) in soil. However, upper limits for heavy metals in agricultural soils were not exceeded. Results of heavy metal availability in soil determined by sequential extraction will be also presented. Restriction fragment length polymorphism (RFLP) analyses of 16s/18s rDNA, using universal fungal and bacterial primers, revealed clear shifts in bacterial and fungal community structure in the upper 2 cm of soils after amendment. Fungal fingerprints showed greater short term effects of sewage sludge, whereas sewage sludge seems to have prolonged effects on soil bacteria. Furthermore, sewage sludge amendment significantly increased glyphosate degradation from 21.6±1% to 33.6±1% over a 2 months period. The most probable reasons for shifts in microbial community structure and increased degradation of glyphosate are beneficial alterations to the physical-chemical characteristics of the soil. Negative effects of potentially toxic substances present in the sewage sludge on soil microbial community functioning were not observed with the methods used in our study.

  17. Green roof soil system affected by soil structural changes: A project initiation

    NASA Astrophysics Data System (ADS)

    Jelínková, Vladimíra; Dohnal, Michal; Šácha, Jan; Šebestová, Jana; Sněhota, Michal

    2014-05-01

    Anthropogenic soil systems and structures such as green roofs, permeable or grassed pavements comprise appreciable part of the urban watersheds and are considered to be beneficial regarding to numerous aspects (e.g. carbon dioxide cycle, microclimate, reducing solar absorbance and storm water). Expected performance of these systems is significantly affected by water and heat regimes that are primarily defined by technology and materials used for system construction, local climate condition, amount of precipitation, the orientation and type of the vegetation cover. The benefits and potencies of anthropogenic soil systems could be considerably threatened in case when exposed to structural changes of thin top soil layer in time. Extensive green roof together with experimental green roof segment was established and advanced automated monitoring system of micrometeorological variables was set-up at the experimental site of University Centre for Energy Efficient Buildings as an interdisciplinary research facility of the Czech Technical University in Prague. The key objectives of the project are (i) to characterize hydraulic and thermal properties of soil substrate studied, (ii) to establish seasonal dynamics of water and heat in selected soil systems from continuous monitoring of relevant variables, (iii) to detect structural changes with the use of X-ray Computed Tomography, (iv) to identify with the help of numerical modeling and acquired datasets how water and heat dynamics in anthropogenic soil systems are affected by soil structural changes. Achievements of the objectives will advance understanding of the anthropogenic soil systems behavior in conurbations with the temperate climate.

  18. Assessing soil ecosystem services using empirical indicators

    NASA Astrophysics Data System (ADS)

    Bodí, Merche B.; Struyf, Eric; Staes, Jan; Meire, Patrick

    2014-05-01

    Studying the soil from the ecosystem services (ES) approach is a way to embrace the complexity and multiple functions of the soil systems and its interactions with the environment and with humans. The ES approach is ideal for developing a sustainable and integrated land management and to concern people about the value of conserving soil. However, this approach is generally used up to know only for soil provisioning services as well as the potential for carbon storage, but not for other services such as soil erosion or water buffering. In addition, those studies carried out are focussed in coarse spatial scale, without identifying the spatial or temporal variability. One of the reasons of this bias arises from the difficulties of obtaining a broad and reliable dataset of indicators from empirical sources. This constrain is sorted out with the action of SOGLO project (the Soil System Under Global Change), an interuniversity attraction pole project (2012-2017) involving different universities from Belgium. The project brings the opportunity to obtain a unique soil dataset for an improved and integrated analysis of the feedbacks between the soil system and fluxes of sediment, carbon (C), nutrients and water in response to anthropogenic forcings at different spatial and temporal scales in experimental sites in both Brazil and in Belgium. Within this broad project, the objective of the present work is to elucidate how different land uses in Belgium (forest, grassland, cropland with conventional tillage and with reduced tillage both with crop rotation) affect the delivery and trade-off of soil ecosystem services. We did this by measuring and comparing a range of indicators of soil ecosystem services in different lands uses during a range of 5 years. Specifically we investigated quantity of SOC in the soil and DOC in the soil solution and at the discharge point (SOC storage service/water buffering services); Si, N, P in the soil, dissolved in the soil solution and at the

  19. Mitigation of Ricin Contamination in Soils: Sorption and Degradation

    DTIC Science & Technology

    2003-07-01

    ELISA reagents were obtained from Sigma-Aldrich Chemical Company. Microbial functional diversity was measured in soils cultivated with castor and...bacterial functional diversity (Fig. 2) declined in soils after bean maturation. Fungal taxonomic diversity (Table 2) declined in soils cultivated with...Figure 2. Functional diversity of fungi and bacteria during the 2001 growing season at the Texas Tech University farm. Figure 3. Ricin

  20. Soil on Phoenix Deck

    NASA Technical Reports Server (NTRS)

    2008-01-01

    This image, taken by the Surface Stereo Imager (SSI) of NASA's Phoenix Lander, shows Martian soil piled on top of the spacecraft's deck and some of its instruments. Visible in the upper-left portion of the image are several wet chemistry cells of the lander's Microscopy, Electrochemistry, and Conductivity Analyzer (MECA). The instrument on the lower right of the image is the Thermal and Evolved-Gas Analyzer. The excess sample delivered to the MECA's sample stage can be seen on the deck in the lower left portion of the image.

    This image was taken on Martian day, or sol, 142, on Saturday, Oct. 19, 2008. Phoenix landed on Mars' northern plains on May 25, 2008.

    The Phoenix Mission is led by the University of Arizona, Tucson, on behalf of NASA. Project management of the mission is by NASA's Jet Propulsion Laboratory, Pasadena, Calif. Spacecraft development is by Lockheed Martin Space Systems, Denver.