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Sample records for rural california intersections

  1. An ethnographic study of Latino preschool children's oral health in rural California: Intersections among family, community, provider and regulatory sectors

    PubMed Central

    Barker, Judith C; Horton, Sarah B

    2008-01-01

    Background Latino children experience a higher prevalence of caries than do children in any other racial/ethnic group in the US. This paper examines the intersections among four societal sectors or contexts of care which contribute to oral health disparities for low-income, preschool Latino1 children in rural California. Methods Findings are reported from an ethnographic investigation, conducted in 2005–2006, of family, community, professional/dental and policy/regulatory sectors or contexts of care that play central roles in creating or sustaining low income, rural children's poor oral health status. The study community of around 9,000 people, predominantly of Mexican-American origin, was located in California's agricultural Central Valley. Observations in homes, community facilities, and dental offices within the region were supplemented by in-depth interviews with 30 key informants (such as dental professionals, health educators, child welfare agents, clinic administrators and regulatory agents) and 47 primary caregivers (mothers) of children at least one of whom was under 6 years of age. Results Caregivers did not always recognize visible signs of caries among their children, nor respond quickly unless children also complained of pain. Fluctuating seasonal eligibility for public health insurance intersected with limited community infrastructure and civic amenities, including lack of public transportation, to create difficulties in access to care. The non-fluoridated municipal water supply is not widely consumed because of fears about pesticide pollution. If the dentist brought children into the clinic for multiple visits, this caused the accompanying parent hardship and occasionally resulted in the loss of his or her job. Few general dentists had received specific training in how to handle young patients. Children's dental fear and poor provider-parent communication were exacerbated by a scarcity of dentists willing to serve rural low-income populations

  2. AIDS in Rural California.

    ERIC Educational Resources Information Center

    Wooten, Donald B.

    1989-01-01

    Examines the increase in AIDS patients in rural California, which is greater than that in urban areas, including AIDS population projections through 1991. Describes differences between AIDS populations in rural and urban areas and relates these to state expenditure patterns and differential needs. (DHP)

  3. 1. VIEW OF COULTERVILLE, CALIFORNIA AT INTERSECTION OF HIGHWAY 149 ...

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

    1. VIEW OF COULTERVILLE, CALIFORNIA AT INTERSECTION OF HIGHWAY 149 IN FOREGROUND AND CALIFORNIA ROAD J20 IN CENTER. LOOKING NE. GIS: N-37 42 38.7 / W-120 11 50.1 - Coulterville Road, Between Foresta & All-Weather Highway, Yosemite Village, Mariposa County, CA

  4. Fault intersections along the Hosgri Fault Zone, Central California

    NASA Astrophysics Data System (ADS)

    Watt, J. T.; Johnson, S. Y.; Langenheim, V. E.

    2011-12-01

    It is well-established that stresses concentrate at fault intersections or bends when subjected to tectonic loading, making focused studies of these areas particularly important for seismic hazard analysis. In addition, detailed fault models can be used to investigate how slip on one fault might transfer to another during an earthquake. We combine potential-field, high-resolution seismic-reflection, and multibeam bathymetry data with existing geologic and seismicity data to investigate the fault geometry and connectivity of the Hosgri, Los Osos, and Shoreline faults offshore of San Luis Obispo, California. The intersection of the Hosgri and Los Osos faults in Estero Bay is complex. The offshore extension of the Los Osos fault, as imaged with multibeam and high-resolution seismic data, is characterized by a west-northwest-trending zone (1-3 km wide) of near vertical faulting. Three distinct strands (northern, central, and southern) are visible on shallow seismic reflection profiles. The steep dip combined with dramatic changes in reflection character across mapped faults within this zone suggests horizontal offset of rock units and argues for predominantly strike-slip motion, however, the present orientation of the fault zone suggests oblique slip. As the Los Osos fault zone approaches the Hosgri fault, the northern and central strands become progressively more northwest-trending in line with the Hosgri fault. The northern strand runs subparallel to the Hosgri fault along the edge of a long-wavelength magnetic anomaly, intersecting the Hosgri fault southwest of Point Estero. Geophysical modeling suggests the northern strand dips 70° to the northeast, which is in agreement with earthquake focal mechanisms that parallel this strand. The central strand bends northward and intersects the Hosgri fault directly west of Morro Rock, corresponding to an area of compressional deformation visible in shallow seismic-reflection profiles. The southern strand of the Los Osos

  5. A random parameters probit model of urban and rural intersection crashes.

    PubMed

    Tay, Richard

    2015-11-01

    Intersections are hazardous locations and many studies have been conducted to identify the factors contributing to the frequency and severity of intersection crashes. However, little attention has been devoted to investigating the differences between crashes at urban and rural intersections, which have different road, traffic and environmental characteristics. By applying a random parameters probit model to the data from the Canadian Province of Alberta between 2008 and 2012, we find that urban intersection crashes are more likely to be associated with hit and run behaviours, roads with higher traffic volume, wet surfaces, four lanes and skewed intersections, and crashes on weekdays and off-peak hours, whereas rural crashes are likely to be associated with increases in fatalities and injuries, roads with higher speed limits, special road features, exit and entrance terminals, gravel, curvature and two lanes, crashes during weekends, peak hours and night-time, run-off-road crashes, and police visit to crash scene. Hence, road safety professionals in urban and rural areas should consider these differences when designing and implementing counter-measures to improve intersection safety, especially their safety audits and reviews, enforcement activities and education campaigns, to target the more vulnerable times and locations in the different areas. Copyright © 2015 Elsevier Ltd. All rights reserved.

  6. Earthquake epicenters and fault intersections in central and southern California

    NASA Technical Reports Server (NTRS)

    Abdel-Gawad, M. (Principal Investigator); Silverstein, J.

    1972-01-01

    The author has identifed the following significant results. ERTS-1 imagery provided evidence for the existence of short transverse fault segments lodged between faults of the San Andreas system in the Coast Ranges, California. They indicate that an early episode of transverse shear has affected the Coast Ranges prior to the establishment of the present San Andreas fault. The fault has been offset by transverse faults of the Transverse Ranges. It appears feasible to identify from ERTS-1 imagery geomorphic criteria of recent fault movements. Plots of historic earthquakes in the Coast Ranges and western Transverse Ranges show clusters in areas where structures are complicated by interaction of tow active fault systems. A fault lineament apparently not previously mapped was identified in the Uinta Mountains, Utah. Part of the lineament show evidence of recent faulting which corresponds to a moderate earthquake cluster.

  7. The effects of cyclists present at rural intersections on speed behavior and workload of car drivers: a driving simulator study.

    PubMed

    Duivenvoorden, Kirsten; Hogema, Jeroen; Hagenzieker, Marjan; Wegman, Fred

    2015-01-01

    The objective was to gain insight into how the number of cyclists, the cyclist's approach direction, and the cyclist's action affect the speed and mental workload of drivers approaching rural intersections. In addition, the effects of a speed-reducing measure on the interaction between cyclists and motorized traffic were examined. An experiment was conducted in a moving-base driving simulator. Thirty participants completed 3 runs each in 3 conditions: a baseline, a plateau, and a chicane condition. Participants drove an 80 km/h rural distributor road with 8 intersections. Eight cyclist scenarios were developed varying in the number of cyclists and the direction from which they approached the participants' lane. The Peripheral Detection Task was used to measure workload objectively and continuously. A plateau ahead of the intersection resulted in drivers entering the bicycle crossing with lower driving speeds but did not result in less serious potential conflicts compared to intersections without the speed-reducing measure. With respect to the presence of cyclists, drivers approaching the intersection without cyclists reached a minimum speed at a greater distance from the bicycle crossing compared to approaching the intersection with multiple cyclists in the baseline condition. At intersections with plateaus, drivers drove slower when encountering multiple cyclists compared to no cyclists. At intersections without the speed-reducing measure, drivers drove slower, decelerated stronger, and decelerated at a shorter distance to the bicycle crossing when encountering a suddenly crossing cyclist compared to a yielding cyclist. Although drivers have the right of way at rural intersections, drivers' speed behavior was affected by the number and action of cyclists. From a road safety point of view, driving speeds at rural intersections need to be further reduced to limit the seriousness of potential conflicts between cyclists and motorized traffic.

  8. Shoreline and Oceano Fault Zones' Intersection Geometry, San Luis Obispo Bay, Offshore South Central Coastal California

    NASA Astrophysics Data System (ADS)

    Hogan, P. J.; Nishenko, S. P.; Greene, H. G.; Bergkamp, B.

    2015-12-01

    As part of the Central Coastal California Seismic Imaging Project, high-resolution 3D low energy marine seismic-reflection data were acquired within San Luis Obispo Bay in 2011 and 2012. Mapping of the sediment-buried bedrock surface using 2D and 3D data clearly reveals that the trace of the Shoreline fault zone bifurcates at Souza Rock. The eastern strand is a reverse fault that trends toward the east-southeast, connecting with the Oceano fault zone onshore. The Shoreline fault is a vertical dextral fault with a very linear geometry that continues south to near the Santa Maria river mouth, and may intersect the Casmalia fault onshore. Both of these fault strands are crossed by Pleistocene low-stand paleochannels eroded into bedrock, and are buried by marine and non-marine sediment. The 3D data show that both the Oceano and Shoreline faults are narrow, well defined fault zones. The reverse slip rate for the Oceano fault (~0.1 mm/y.) falls within published slip rate estimates for the Oceano fault onshore (0.01-0.20 mm/y). The dextral slip rate for the Shoreline fault southeast of Souza Rock is estimated to be 0.06 mm/y. Souza Rock is located on the hanging wall of the Oceano Fault, north of the point of intersection between the Shoreline and Oceano faults. Water depths shoal from 60 m on the surrounding seafloor to 5 m on top of Souza Rock. This structure is interpreted as a structural popup in a restraining bend where the N65°W-trending Oceano fault intersects the N25°W-trending Shoreline fault. The structural geometry near the point of intersection has several minor secondary fault strands, but is remarkably simple.

  9. Training Medical Students for Rural, Underserved Areas: A Rural Medical Education Program in California.

    PubMed

    Eidson-Ton, W Suzanne; Rainwater, Julie; Hilty, Donald; Henderson, Stuart; Hancock, Christine; Nation, Cathryn L; Nesbitt, Thomas

    2016-01-01

    The Association of American Medical Colleges projects an increasing shortage of physicians in rural areas. Medical schools have developed specialty track programs to improve the recruitment and retention of physicians who can serve rural populations. One such program in California includes a variety of unique elements including outreach, admissions, rural clinical experiences, focused mentorship, scholarly and leadership opportunities, and engagement with rural communities. Preliminary outcomes demonstrate that this rural track program has achieved some success in the recruitment, retention, and training of students interested in future rural practice and in the placement of students in primary care residencies. Long-term outcomes, such as graduates entering rural practice, are still unknown, but will be monitored to assess the impact and sustainability of the rural program. This article illustrates the opportunities and challenges of training medical students for rural practice and provides lessons learned to inform newly-established and long standing rural medical education programs.

  10. Nurse Practitioner and Physician's Assistant Clinics in Rural California

    PubMed Central

    Morgan, Walter A.; Sullivan, Nancy D.

    1980-01-01

    The primary health care needs of at least 26 rural California communities are being served by nurse practitioners (NP's) or physician's assistants (PA's). All of these have physician supervision and support. NP's and PA's have proved to be acceptable and effective. With 230 rural areas in California identified as having unmet health care needs, this type of service is likely to increase and should be supported. NP/PA clinics serve total populations or concentrate on Indians, Chicanos or the poor. Many barriers have been overcome, especially over the past four years, to allow these clinics to flourish and increase in number. The availability of nurse practitioners and physician's assistants has increased due to support to schools and to school policies. Clinic funding has greatly improved; federal funds for general rural clinics, Indians, migrants, family planning and maternalchild health have been greatly supplemented by California state funds. Beginning in 1978, rural NP and PA services can be reimbursed by Medicare and Medi-Cal (California's Medicaid program). Since 1975 state laws have defined PA and NP roles broadly, and these roles are more precisely defined at the local level. Although nurse practitioners and physician's assistants generally cannot prescribe or dispense drugs (a major problem in many clinics), demonstration legislation allows special pilot projects to do both. As remaining funding and legal problems are corrected, NP's and PA's will serve an even greater role in rural areas. PMID:6104383

  11. Poverty amid Prosperity: Immigration and the Changing Face of Rural California.

    ERIC Educational Resources Information Center

    Taylor, J. Edward; Martin, Philip L.; Fix, Michael

    This book synthesizes the views of California's preeminent rural development researchers on how immigration is transforming rural California communities. It draws on papers presented at two conferences held in Asilomar and Riverside (California) in 1995 and 1996. Conference participants were asked to consider whether rural poverty is being…

  12. Poverty amid Prosperity: Immigration and the Changing Face of Rural California.

    ERIC Educational Resources Information Center

    Taylor, J. Edward; Martin, Philip L.; Fix, Michael

    This book synthesizes the views of California's preeminent rural development researchers on how immigration is transforming rural California communities. It draws on papers presented at two conferences held in Asilomar and Riverside (California) in 1995 and 1996. Conference participants were asked to consider whether rural poverty is being…

  13. Ethnic Transformation in Rural California: Looking beyond the Immigrant Farmworker.

    ERIC Educational Resources Information Center

    Allensworth, Elaine M.; Rochin, Refugio I.

    1998-01-01

    Census data were used to test various hypotheses about growing Latino concentration and economic deterioration in rural California communities and found factors related to both Latino inmigration and White outmigration. Public policy implications are discussed relative to improving ethnic relations and building human capital to support economic…

  14. Punjabi Orchard Farmers: An Immigrant Enclave in Rural California.

    ERIC Educational Resources Information Center

    Gibson, Margaret A.

    1988-01-01

    Examines the adaptation patterns of Punjabi Sikh orchard farmers in rural California. Discusses the role of the following: (1) the historical context of immigration; (2) the immigrants' perceptions of their particular situation; (3) the group's cultural traditions; and (4) 1965 Immigration Act. (FMW)

  15. Country Schoolwomen: Teaching in Rural California, 1850-1950.

    ERIC Educational Resources Information Center

    Weiler, Kathleen

    This book focuses on the lives and work of women teachers in two rural California counties between 1850 and 1950. It explores the social context of teaching and what teaching meant and provided to women teachers. Chapter 1 explores the shifts between 1840 and 1930 in representations of the woman teacher in the United States. Chapter 2 discusses…

  16. Punjabi Orchard Farmers: An Immigrant Enclave in Rural California.

    ERIC Educational Resources Information Center

    Gibson, Margaret A.

    1988-01-01

    Examines the adaptation patterns of Punjabi Sikh orchard farmers in rural California. Discusses the role of the following: (1) the historical context of immigration; (2) the immigrants' perceptions of their particular situation; (3) the group's cultural traditions; and (4) 1965 Immigration Act. (FMW)

  17. Ethnic Transformation in Rural California: Looking beyond the Immigrant Farmworker.

    ERIC Educational Resources Information Center

    Allensworth, Elaine M.; Rochin, Refugio I.

    1998-01-01

    Census data were used to test various hypotheses about growing Latino concentration and economic deterioration in rural California communities and found factors related to both Latino inmigration and White outmigration. Public policy implications are discussed relative to improving ethnic relations and building human capital to support economic…

  18. Country Schoolwomen: Teaching in Rural California, 1850-1950.

    ERIC Educational Resources Information Center

    Weiler, Kathleen

    This book focuses on the lives and work of women teachers in two rural California counties between 1850 and 1950. It explores the social context of teaching and what teaching meant and provided to women teachers. Chapter 1 explores the shifts between 1840 and 1930 in representations of the woman teacher in the United States. Chapter 2 discusses…

  19. Trends in Rural and Urban Deliveries and Vaginal Births: California 1998-2002

    ERIC Educational Resources Information Center

    Hughes, Susan; Zweifler, John A.; Garza, Alvaro; Stanich, Matthew A.

    2008-01-01

    Context: Pregnant women in rural areas may give birth in either rural or urban hospitals. Differences in outcomes between rural and urban hospitals may influence patient decision making. Purpose: Trends in rural and urban obstetric deliveries and neonatal and maternal mortality in California were compared to inform policy development and patient…

  20. Trends in Rural and Urban Deliveries and Vaginal Births: California 1998-2002

    ERIC Educational Resources Information Center

    Hughes, Susan; Zweifler, John A.; Garza, Alvaro; Stanich, Matthew A.

    2008-01-01

    Context: Pregnant women in rural areas may give birth in either rural or urban hospitals. Differences in outcomes between rural and urban hospitals may influence patient decision making. Purpose: Trends in rural and urban obstetric deliveries and neonatal and maternal mortality in California were compared to inform policy development and patient…

  1. Punjabi orchard farmers: an immigrant enclave in rural California.

    PubMed

    Gibson, M A

    1988-01-01

    Examination of the adaptation patterns of Punjabi Sikh orchard farmers in rural California provides further evidence of ways in which strong ethnic enclaves help to promote rapid economic self-sufficiency among immigrant groups. The discussion emphasizes the need to consider not only the cultural traditions of group members, but also the historical context of immigration and the immigrants' perceptions of their particular situation. The Punjabi case indicates, too, how the 1965 Immigration Act, with its preference for family reunification, has promoted the formation of immigrant enclave.

  2. Kinematics at the intersection of the Garlock and Death Valley fault zones, California: Integration of TM data and field studies

    NASA Technical Reports Server (NTRS)

    Abrams, Michael; Verosub, Ken; Finnerty, Tony; Brady, Roland

    1987-01-01

    The Garlock and Death Valley fault zones in SE California are two active strike-slip faults coming together on the east side of the Avawatz Mtns. The kinematics of this intersection, and the possible continuation of either fault zone, are being investigated using a combination of field mapping, and processing and interpretation of remotely sensed image data. Regional and local relationships are derivable from Thematic Mapper data (30 m resolution), including discrimination and relative age dating of alluvial fans, bedrock mapping, and fault mapping. Aircraft data provide higher spatial resolution over more limited areas. Hypotheses being considered are: (1) the Garlock fault extends east of the intersection; (2) the Garlock fault terminates at the intersection and the Death Valley fault continues southeastward; and (3) the Garlock fault has been offset right laterally by the Death Valley fault which continues to the southeast. Preliminary work indicates that the first hypothesis is invalid. From kinematic considerations, image analysis, and field work the third hypothesis is favored. The projected continuation of the Death Valley zone defines the boundary between the Mojave crustal block and the Basin and Range block.

  3. Assessing the Value of Rural California High School Career Technical Education

    ERIC Educational Resources Information Center

    Morehead, Coleen Louise

    2015-01-01

    While empirical studies on rural education have defined many of the socioeconomic factors associated with rural students nationally, there is a lack of definitive and comprehensive research defining the benefit or value of career technical education for rural California high school students. Consequently, this lack of research may in turn…

  4. Assessing the Value of Rural California High School Career Technical Education

    ERIC Educational Resources Information Center

    Morehead, Coleen Louise

    2015-01-01

    While empirical studies on rural education have defined many of the socioeconomic factors associated with rural students nationally, there is a lack of definitive and comprehensive research defining the benefit or value of career technical education for rural California high school students. Consequently, this lack of research may in turn…

  5. Motives for Dissertation Research at the Intersection between Rural Education and Curriculum and Instruction

    ERIC Educational Resources Information Center

    Howley, Craig B.; Howley, Aimee; Yahn, Jacqueline

    2014-01-01

    Dissertation literature focusing on issues of curriculum and instruction (C&I) in rural schools has substantially increased since 1987. We located 580 possibly rural C&I dissertations and subsequently identifi ed 194 as probably rural; of these we were able to obtain digital copies of 188 full-length studies. Our purpose was to…

  6. Motives for Dissertation Research at the Intersection between Rural Education and Curriculum and Instruction

    ERIC Educational Resources Information Center

    Howley, Craig B.; Howley, Aimee; Yahn, Jacqueline

    2014-01-01

    Dissertation literature focusing on issues of curriculum and instruction (C&I) in rural schools has substantially increased since 1987. We located 580 possibly rural C&I dissertations and subsequently identifi ed 194 as probably rural; of these we were able to obtain digital copies of 188 full-length studies. Our purpose was to…

  7. Contractional Strain Related to Interference of Intersecting Sets of Strike-slip Faults in the Southern Death Valley Region, California

    NASA Astrophysics Data System (ADS)

    Menges, C. M.; Pavlis, T. L.; McMackin, M. R.; Serpa, L.

    2006-12-01

    Structural and geomorphic data reveal complex neotectonic deformation(Pliocene-Quaternary, post 3-4 Ma)derived in part from interactions among intersecting sets of strike-slip faults in the southern Death Valley area on the eastern margin of the Eastern California Shear Zone. A distinct 40-km-wide domain of strike-slip faulting and associated contractional strain is bounded on the north by the southern end of the Panamint and Death Valley extensional terrane and on the south by the eastern Garlock fault (EGF). The dominant regional structures are (a) two NW-trending dextral-slip faults—the southern Death Valley fault (SDVF) and southern Panamint Valley fault (SPVF), and (b) three E- to NE-oriented sinistral-slip faults. This latter set includes the EGF, an associated splay of the Owl Lake fault (OLF) and a diffuse fault zone associated with discontinuous surface rupture in upper and central Wingate Wash valley (WWF). The strike-slip faults intersect with one another in a complex interference pattern that produces on-fault zones of transpressive deformation. These faults, moreover, are embedded within widespread areas of off-fault contractional strain in the intervening crustal blocks. Specifically, secondary on-fault transpressive deformation occurs along the majority of the EGF and SDVF and sections of the OLF and SPVF. This transpression is manifested as commonly asymmetric flower structures that produce domal to elongate zones of uplifted topography along the fault trace. Surface deformation within the flower structure appears partitioned between (a)translation along strike-slip faults in the dissected core of the uplifts and (b) contraction and uplift accommodated on near-surface blind thrusts below fault-propagation folds on the flanks of the structure. Where two or more large strike-slip faults intersect one another, one or more of the structures typically merges with or is truncated against one primary though-going structure. The geometry and slip-sense of

  8. Nurse Practitioner and Physician's Assistant Clinics in Rural California

    PubMed Central

    Morgan, Walter A.

    1980-01-01

    Twenty-six rural California clinics have employed nurse practitioners (NP's) or physician's assistants (PA's) to meet the primary health care needs of local communities. Of the 24 NP's and 5 PA's involved, 11 were men and 18 were women. Their average age was 37, and all but five were trained in California. The clinics, with less than 50 percent on-site physician supervision, averaged 19 miles in distance from the nearest physician (ranging up to 63 miles). More than half the clinics were satellites of central, physician-staffed, nonprofit clinics, a third were community-administered and two were private. Half served a whole community, a quarter were established to serve Indians and a quarter to serve Chicanos. Each NP or PA saw an average of 13 patients a day. All nonprivate clinics received subsidies from a variety of local, state and federal funds. Four of the clinics had closed or had no medical staff at the time of our survey. NP/PA clinics are proving to be a feasible and valuable means of offering essential health care needs to remote communities. PMID:6103602

  9. Confronting Challenges at the Intersection of Rurality, Place, and Teacher Preparation: Improving Efforts in Teacher Education to Staff Rural Schools

    ERIC Educational Resources Information Center

    Azano, Amy Price; Stewart, Trevor Thomas

    2016-01-01

    Recruiting and retaining highly qualified teachers in rural schools is a persistent struggle in many countries, including the U.S. Salient challenges related to poverty, geographic isolation, low teacher salaries, and a lack of community amenities seem to trump perks of living in rural communities. Recognizing this issue as a complex and hard to…

  10. Geomorphology and Tectonics at the Intersection of Silurian and Death Valleys, Southern California - 2005 Guidebook Pacific Cell Friends of the Pleistocene

    USGS Publications Warehouse

    Miller, David M.; Valin, Zenon C.

    2007-01-01

    This publication describes results from new regional and detailed surficial geologic mapping, combined with geomorphologic, geochronologic, and tectonic studies, in Silurian Valley and Death Valley, California. The studies address a long-standing problem, the tectonic and geomorphic evolution of the intersection between three regional tectonic provinces: the eastern California shear zone, the Basin and Range region of southern Nevada and adjacent California, and the eastern Mojave Desert region. The chapters represent work presented on the 2005 Friends of the Pleistocene field trip and meeting as well as the field trip road log.

  11. Thermal Fluid and Fault Interactions at the Intersection of Two Faults, Agua Caliente, California

    NASA Astrophysics Data System (ADS)

    Wood, R. E.; Evans, J. P.

    2011-12-01

    Agua Caliente Springs lies at a unique intersection between the NNW-trending Elsinore fault and the 40° northeast-dipping, likely inactive West Salton detachment fault; it provides an opportunity to study damage zone geometry, fault behavior in crystalline rocks, a left-stepover zone between the Julian and Coyote segments, microseismicity, and the influence of thermal fluids on rock deformation. The Elsinore fault bounds the northwestern flank of the Tierra Blanca Mountains with strike-slip and normal motion; the detachment fault wraps around the northernmost portion of the mountains. Damage along the Elsinore ranges in thickness from a narrow slip plane to > 100 m along the eastern flank of the Tierra Blanca Mountains. Subsidiary faults trend northeast and southeast, and slip orientations vary from normal to strike-slip horizontal motion. Thermal fluids (~30°C) emerge at the intersection of the West Salton detachment and Elsinore faults actively alter the 94 Ma La Posta tonalite pluton, already fractured and crushed during fault slip, to a fine-grained white to orange powder through mineral re-equilibration. Grain sizes decrease with closer proximity to the faults. Fault cores contain thin dark green zones of chlorite ± epidote, and fault surfaces are coated with a thin layer of the same. Origin of the mineralization may be from reworked biotite crystals. We present water chemistry data from the hot springs at Agua Caliente in conjunction with geochemical and petrographic analysis of the surrounding rock. Water analyses include cation and anion measurements, bicarbonate, stable isotopes, tritium, and a multi-month recording of spring conductivity, water level, and temperature fluctuations. Cation geothermometry shows the fluids are enriched in Na, Ca, Mg, K, and Si from broken down quartz, plagioclase, and orthoclase. Water level and temperature data are compared to seismicity during the logging interval; temperatures so far have diurnal fluctuations indicating

  12. A Rural Campus Reaches Out: Telecommunications at California State University, Chico.

    ERIC Educational Resources Information Center

    Meuter, Ralph F.; Wright, Leslie J.

    California State University (CSU) at Chico has been an innovative leader in distance education for many years. In 1969 CSU began offering external degree programs, delivered by faculty who commuted to community college locations around rural northern California. In the early 1970s a study on the needs of higher education in the area resulted in…

  13. Pet ownership in rural Northern California (El Dorado County).

    PubMed

    Franti, C E; Kraus, J F; Borhani, N O; Johnson, S L; Tucker, S D

    1980-01-15

    Demographic and economic aspects of pet ownership were studied in 488 households in El Dorado County, California, from May to July 1971. About 60% of households owned dogs or cats, and pet ownership was most prevalent (75%) in two small residential communities in the western end of the county. Among dogs, Poodle and German Shepherd Dog were the most popular breeds; about 36% of the females in the sample were spayed, but only 6% of the males were castrated. Approximately one third of all cats had been neutered. Reported use of veterinary services was higher for dogs (79%) than for cats (53%). The results of the survey indicated pet ownership is most likely to be found in households with children, where the head of household is employed, generally confirming findings from earlier surveys in Yolo, Alameda, and Contra Costa Counties (all in northern California) and later surveys in Champaign County, Illinois, and Garland, Tex. Some community health findings were included for El Dorado County and nearby Yolo County. In these two counties, cancer was reported more frequently by adults without pets (3.9% of those greater than or equal to 65 years old) than by pet owners (1.8% of those greater than or equal to 65 years old). Among children less than 5 years old, "frequent diarrhea" was reported more commonly in homes without pets (9.5% vs 2.6%; P less than 0.01). On the other hand, pet-owning adults, 16 to 64 years of age, living in rural areas or areas with generally lower than average incomes reported "frequent headaches" (21%) more frequently than did adults without pets (17%; P less than 0.025%) who resided in the same areas.

  14. Pediatric Obesity Management in Rural Clinics in California and the Role of Telehealth in Distance Education

    ERIC Educational Resources Information Center

    Shaikh, Ulfat; Nettiksimmons, Jasmine; Romano, Patrick

    2011-01-01

    Objective: To determine health care provider needs related to pediatric obesity management in rural California and to explore strategies to improve care through telehealth. Methods: Cross-sectional survey of health care providers who treated children and adolescents at 41 rural clinics with existing telehealth connectivity. Results: Most of the…

  15. Pediatric Obesity Management in Rural Clinics in California and the Role of Telehealth in Distance Education

    ERIC Educational Resources Information Center

    Shaikh, Ulfat; Nettiksimmons, Jasmine; Romano, Patrick

    2011-01-01

    Objective: To determine health care provider needs related to pediatric obesity management in rural California and to explore strategies to improve care through telehealth. Methods: Cross-sectional survey of health care providers who treated children and adolescents at 41 rural clinics with existing telehealth connectivity. Results: Most of the…

  16. California's Rural Poor: Trends, Correlates, and Policies. Working Group on Farm Labor and Rural Poverty, Working Paper No. 7.

    ERIC Educational Resources Information Center

    Gwynn, Douglas B.; And Others

    In the 1980s California poverty rates increased dramatically. Poverty rates were substantially higher in rural areas and for Hispanics, Asians, single-parent families, and children. The percentage of the labor force in poverty increased, and poverty rates were exceptionally high for the unemployed and for "discouraged workers." The…

  17. California's Rural Poor: Trends, Correlates, and Policies. Working Group on Farm Labor and Rural Poverty, Working Paper No. 7.

    ERIC Educational Resources Information Center

    Gwynn, Douglas B.; And Others

    In the 1980s California poverty rates increased dramatically. Poverty rates were substantially higher in rural areas and for Hispanics, Asians, single-parent families, and children. The percentage of the labor force in poverty increased, and poverty rates were exceptionally high for the unemployed and for "discouraged workers." The…

  18. Intersections of family homelessness, CPS involvement, and race in Alameda County, California.

    PubMed

    Rodriguez, Jason M; Shinn, Marybeth

    2016-07-01

    The homelessness and child protective services (CPS) systems are closely linked. This study examines the patterns and sequence of families' involvement with homeless shelters and CPS, as well as whether involvement in each system predicts involvement in the other using linked administrative records for 258 families recruited in emergency shelters in Alameda County, California. More than half of families were reported to CPS at some point, but less than one-fifth ever had a report substantiated. Reports that were uninvestigated or unfounded increased in the months leading up to shelter entry and spiked immediately afterward, but substantiations and child removals increased only later. Shelter use before study entry was associated with CPS referrals and investigations after study entry, although not with substantiated cases or child removals. However, CPS involvement before study entry was not associated with returns to shelter after study entry. These results imply that an unsubstantiated report of neglect or abuse may serve as an early warning signal for homelessness and that preventive strategies aiming to affect both homeless and child protective systems should focus on reducing homelessness. CPS workers should evaluate families' housing needs and attempt to link families to appropriate resources. Black families were disproportionately referred to CPS after shelter entry after controlling for other family characteristics, but race was not associated with substantiations of neglect or abuse or with child removals. Findings lend modest support to human decision-making and institutional explanations of racial disproportionalities in CPS involvement, especially for reporters outside of the CPS system.

  19. Intersections of Family Homelessness, CPS Involvement, and Race in Alameda County, California

    PubMed Central

    Shinn, Marybeth

    2016-01-01

    The homelessness and child protective services (CPS) systems are closely linked. This study examines the patterns and sequence of families’ involvement with homeless shelters and CPS, as well as whether involvement in each system predicts involvement in the other using linked administrative records for 258 families recruited in emergency shelters in Alameda County, California. More than half of families were reported to CPS at some point, but less than one fifth ever had a report substantiated. Reports that were uninvestigated or unfounded increased in the months leading up to shelter entry and spiked immediately afterward, but substantiations and child removals increased only later. Shelter use before study entry was associated with CPS referrals and investigations after study entry, although not with substantiated cases or child removals. However, CPS involvement before study entry was not associated with returns to shelter after study entry. These results imply that an unsubstantiated report of neglect or abuse may serve as an early warning signal for homelessness and that preventive strategies aiming to affect both homeless and child protective systems should focus on reducing homelessness. CPS workers should evaluate families’ housing needs and attempt to link families to appropriate resources. Black families were disproportionately referred to CPS after shelter entry after controlling for other family characteristics, but race was not associated with substantiations of neglect or abuse or with child removals. Findings lend modest support to human decision-making and institutional explanations of racial disproportionalities in CPS involvement, especially for reporters outside of the CPS system. PMID:27318034

  20. Diversity of rickettsiae in a rural community in northern California.

    PubMed

    Stephenson, Nicole; Blaney, Alexandra; Clifford, Deana; Gabriel, Mourad; Wengert, Greta; Foley, Patrick; Brown, Richard N; Higley, Mark; Buckenberger-Mantovani, Sarah; Foley, Janet

    2017-02-27

    Far northern California forests are highly biodiverse in wildlife reservoirs and arthropod vectors that may propagate rickettsial pathogens in nature. The proximity of small rural communities to these forests puts people and domestic animals at risk of vector-borne infection due to spillover from wildlife. The current study was conducted to document exposure to rickettsial pathogens in people and domestic animals in a rural community, and identify which rickettsiae are present in sylvatic and peri-domestic environments near this community. Blood samples from people, domestic animals (dogs, cats, and horses) and wild carnivores were tested for Rickettsia spp. antibodies and DNA (people and domestic animals only) by serology and real time (RT)-PCR, respectively. Ectoparasites were collected from dogs, wild carnivores and from vegetation by flagging, and tested for Rickettsia spp. DNA by RT-PCR. DNA sequencing of the rickettsial 17kDa protein gene or the ompA gene was used for species identification. Despite a seroprevalence of 3% in people, 42% in dogs, 79% in cats, 33% in gray foxes, and 83% in bobcats, RT-PCR on blood was consistently negative, likely because the sensitivity of this test is low, as Rickettsia spp. do not often circulate in high numbers in the blood. Rickettsia spp. DNA was found in four flea species collected from bobcats and Ctenocephalides felis collected from domestic dogs. All amplicons sequenced from fleas were R. felis. Ixodes pacificus collected by flagging were commonly infected with a Rickettsia sp. endosymbiont. Rickettsia rhipicephali DNA was found in Dermacentor variabilis from dogs, black bears, a gray fox, and a D. occidentalis collected by flagging. Dermacentor variabilis from dogs and black bears also contained R. montanensis DNA. Multiple Rickettsia spp. (including species with zoonotic and pathogenic potential) were found among human biting arthropod vectors of both wild and domestic carnivores and on flags. Knowledge of the

  1. White Exodus, Latino Repopulation, and Community Well-Being: Trends in California's Rural Communities. Research Report No. 13.

    ERIC Educational Resources Information Center

    Allensworth, Elaine M.; Rochin, Refugio I.

    This paper examines both the out-migration of non-Hispanic Whites and the in-migration of Latinos in rural California, to better understand the relationship between ethnicity and the well-being of California's rural communities. Theoretical explanations for ethnic transformation and community well-being focus on agricultural and industrial…

  2. Understanding Satisfaction with Shamanic Practices among the Hmong in Rural California

    ERIC Educational Resources Information Center

    Pinson-Perez, Helda; Moua, Neng; Perez, Miguel A.

    2005-01-01

    The Hmong are a group of people from Southern China, Laos, Northern Vietnam, and Thailand who have immigrated to the US and who have settled in rural counties in Central California. The literature suggests, the Hmong routinely use the services of shamans as part of their health care services. The purpose of this study was to determine the…

  3. Performance Assessment for California Teachers and English-Language Arts Candidates in a Rural Border Community

    ERIC Educational Resources Information Center

    Ajayi, Lasisi

    2014-01-01

    This study explores the appropriateness of the Performance Assessment for California Teachers (PACT) as an instrument of assessing English-language arts (ELA) teacher candidates' effectiveness in a rural border community. Eight -candidates participated in the study. The findings call into question the adequacy of PACT to assess the candidates'…

  4. Seasonal Variation of Methane Emissions in California's Urban and Rural Regions Using Multi-site Observations

    NASA Astrophysics Data System (ADS)

    Jeong, S.; Hsu, Y.; Andrews, A. E.; Bianco, L.; Newman, S.; Cui, X.; Bagley, J.; Graven, H. D.; Salameh, P.; Sloop, C.; LaFranchi, B.; Michelsen, H. A.; Bambha, R.; Weiss, R. F.; Keeling, R. F.; Fischer, M. L.

    2014-12-01

    California's commitment (Assembly Bill 32) to reduce total greenhouse gas (GHG) emissions to 1990 levels by 2020 requires quantification of current GHG emissions. We present seasonal variation of California's total CH4 emissions for summer 2013 - spring 2014, using data from a dozen sites covering urban and rural areas of California that include South Coast Air Basin (SoCAB), Central Valley, and San Francisco Bay Area. We apply a Bayesian inverse model to estimate CH4 emissions from discrete regions of California and source sectors by combining atmospheric measurements, upstream background, updated high-resolution prior emission maps developed for California, and predicted atmospheric transport from WRF-STILT. We quantify site-specific model-measurement uncertainties due to transport using simulated and observed meteorology, background estimated from oceanic and aircraft observations, and the prior emissions. In particular, we evaluate predicted transport variables in WRF with networks of surface and upper air observations. Preliminary inversion results during summer of 2013 suggest that state total CH4 emissions are 1.2 - 1.7 times higher than the current CARB inventory. Here, we extend and improve upon earlier analyses to provide a full seasonal cycle of CH4 emissions across all major urban and rural regions in California.

  5. Smoking prevalence in urban and rural populations: findings from California between 2001 and 2012.

    PubMed

    Liu, Lianqi; Edland, Steven; Myers, Mark G; Hofstetter, C Richard; Al-Delaimy, Wael K

    2016-03-01

    Tobacco smoking and related health problems are still major public health concerns in the United States despite the declining smoking prevalence. This study explored differences in smoking prevalence between urban and rural areas potentially relevant to tobacco control efforts in California. Public use adult smoking data from the California Health Interview Survey (CHIS) between 2001 and 2011-2012 were analyzed. A total of 282 931 adults were surveyed across the six CHIS cycles. A ZIP code-based geographic classification (Urban, Second-City, Suburban, and Town/Rural) was used to examine the association between smoking prevalence and area of residency. The overall smoking prevalence in California decreased from 17.0% in 2001 to 13.8% in 2011-2012. Within each CHIS cycle, the Town/Rural areas had the highest smoking prevalence, followed by Urban and Second-City areas, and Suburban areas had the lowest. Pooled data from all CHIS cycles showed a similar pattern, with rates in Urban, Second-City, Suburban and Town/Rural areas being 15.2%, 15.2%, 13.1% and 17.3%, respectively. Weighted multivariate logistic regression analysis indicated significantly higher odds of smoking in Urban, Second-City and Town/Rural areas compared to Suburban areas (all adjusted odds ratios > 1.10), although this trend varied by race/ethnicity, being present in non-Hispanic Whites and not present in Hispanics. Town/Rural and Urban populations of California are consistently at higher risk of smoking than Suburban populations. These results indicate a need for population-specific tobacco control approaches that address the lifestyle, behavior, and education of disparate populations within the same state or region.

  6. Exploring stop-go decision zones at rural high-speed intersections with flashing green signal and insufficient yellow time in China.

    PubMed

    Tang, Keshuang; Xu, Yanqing; Wang, Fen; Oguchi, Takashi

    2016-10-01

    The objective of this study is to empirically analyze and model the stop-go decision behavior of drivers at rural high-speed intersections in China, where a flashing green signal of 3s followed by a yellow signal of 3s is commonly applied to end a green phase. 1, 186 high-resolution vehicle trajectories were collected at four typical high-speed intersection approaches in Shanghai and used for the identification of actual stop-go decision zones and the modeling of stop-go decision behavior. Results indicate that the presence of flashing green significantly changed the theoretical decision zones based on the conventional Dilemma Zone theory. The actual stop-go decision zones at the study intersections were thus formulated and identified based on the empirical data. Binary Logistic model and Fuzzy Logic model were then developed to further explore the impacts of flashing green on the stop-go behavior of drivers. It was found that the Fuzzy Logic model could produce comparably good estimation results as compared to the traditional Binary Logistic models. The findings of this study could contribute the development of effective dilemma zone protection strategies, the improvement of stop-go decision model embedded in the microscopic traffic simulation software and the proper design of signal change and clearance intervals at high-speed intersections in China. Copyright © 2016 Elsevier Ltd. All rights reserved.

  7. Kinematics at the Intersection of the Garlock and Death Valley Fault Zones, California: Integration of TM Data and Field Studies

    NASA Technical Reports Server (NTRS)

    Verosub, Kenneth L.; Brady, Roland H., III; Abrams, Michael

    1989-01-01

    Kinematic relationships at the intersection of the southern Death Valley and Garlock fault zones were examined to identify and delineate the eastern structural boundary between the Mojave and the Basin and Range geologic terrains, and to construct a model for the evolution of this boundary through time. In order to accomplish this, satellite imagery was combined with field investigations to study six areas in the vicinity of the intersection, or possible extensions, of the fault zones. The information gathered from these areas allows the test of various hypotheses that were proposed to explain the interaction between the Death Valley and Garlock fault zones.

  8. Pediatric obesity management in rural clinics in California and the role of telehealth in distance education.

    PubMed

    Shaikh, Ulfat; Nettiksimmons, Jasmine; Romano, Patrick

    2011-01-01

    To determine health care provider needs related to pediatric obesity management in rural California and to explore strategies to improve care through telehealth. Cross-sectional survey of health care providers who treated children and adolescents at 41 rural clinics with existing telehealth connectivity. Most of the 135 respondents were family physicians at designated rural health clinics serving low-income families. Respondents had practiced in rural areas for an average of 10 years. Most providers rated their self-efficacy in managing pediatric obesity as 2 or 3 on a 5-point scale. The barriers most frequently reported by health care providers were lack of local weight management programs, lack of patient motivation, and lack of family involvement in treatment. Providers reported that the resources they would find most helpful were readily accessible patient education materials, strategies to link patients with community treatment programs and training in brief, focused counseling skills. Three-quarters of providers already used telehealth for distance learning. Providers reported very high interest in participating in continuing education on pediatric obesity delivered by telehealth, specifically Internet communication with specialists, web-based education, and interactive video case-conferencing. Rural health care providers face several barriers related to pediatric obesity management. Targeted interventions provided via telehealth to rural health care providers may enhance the care of obese children and adolescents. The results of this study provide directions and priorities for the design of appropriate interventions. © 2010 National Rural Health Association.

  9. Off-premise alcohol outlets on and around tribal land: risks for rural California Indian youth.

    PubMed

    Lee, Juliet P; Moore, Roland S; Roberts, Jennifer; Nelson, Nadeana; Calac, Daniel; Gilder, David A; Ehlers, Cindy L

    2015-01-01

    Investigating the alcohol environment for rural American Indian youth, we conducted 70 interviews with leading members and youth representatives of nine Southern California tribes. We also conducted brief observations in all 13 stores licensed to sell alcohol on and close to the reservation lands of the nine tribes. Underage youth may obtain alcoholic beverages at stores either directly through illegal sales to minors or indirectly through social sources. Stores are also environments within which alcoholic beverages and heavy drinking may become normalized for youth. Limitations and implications for convenience store-based prevention research on alcohol retail environment for youth in rural populations areas are discussed.

  10. Off-Premise Alcohol Outlets On and Around Tribal Land: Risks for Rural California Indian Youth

    PubMed Central

    Lee, Juliet P.; Moore, Roland S.; Roberts, Jennifer; Nelson, Nadeana; Calac, Daniel; Gilder, David A.; Ehlers, Cindy L.

    2015-01-01

    Investigating the alcohol environment for rural American Indian youth, we conducted 70 interviews with leading members and youth representatives of nine Southern California tribes. We also conducted brief observations in all 13 stores licensed to sell alcohol on and close to the reservation lands of the nine tribes. Underage youth may obtain alcoholic beverages at stores either directly through illegal sales to minors or indirectly through social sources. Stores are also environments within which alcoholic beverages and heavy drinking may become normalized for youth. Limitations and implications for convenience store-based prevention research on alcohol retail environment for youth in rural population areas are discussed. PMID:25529892

  11. Role of a child death review team in a small rural county in California.

    PubMed

    Keleher, Nancy; Arledge, Dawn N

    2011-02-01

    Humboldt County is one of California's most rural counties. Located in far Northern California, it is 6-7 h by car from the nearest major urban areas of San Francisco and Sacramento. In landmass it is one of the largest of the California counties, about the size of Rhode Island. In 1991, the Humboldt County Public Health Branch began a Fetal Infant Mortality Review programme. Because of the county's small size, the Fetal Infant Mortality Review process was combined with the review of child deaths through age 17. Responding to a high proportion of cases of child deaths due to unintentional injury, the team developed a workgroup to explore injury prevention strategies. Funding was identified to hire a coordinator who formed a Childhood Injury Prevention Program and developed a strategic plan. The plan prioritised both motor vehicle/traffic safety related injuries and general childhood injury. Funding was obtained for child passenger safety and youth safe driving programmes. The Childhood Injury Prevention Program also collaboratively addressed other injury prevention areas, including water safety. As a small, rural county in California, committed safety advocates from multiple agencies were able to utilise the child death review process to guide injury prevention efforts. Case reviews provided the motivation and quantitative and qualitative data to design programmes and implement interventions that addressed specific unintentional injuries causing child deaths and injuries in Humboldt County.

  12. Pediatric Obesity Management in Rural Clinics in California and the Role of Telehealth in Distance Education

    PubMed Central

    Shaikh, Ulfat; Nettiksimmons, Jasmine; Romano, Patrick

    2010-01-01

    Objective To determine health care provider needs related to pediatric obesity management in rural California and to explore strategies to improve care through telehealth. Methods Cross-sectional survey of health care providers who treated children and adolescents at 41 rural clinics with existing telehealth connectivity. Results Most of the 135 respondents were family physicians at designated rural health clinics serving low-income families. Respondents had practiced in rural areas for an average of 10 years. Most providers rated their self-efficacy in managing pediatric obesity as 2 or 3 on a 5-point scale. The barriers most frequently reported by health care providers were lack of local weight management programs, lack of patient motivation, and lack of family involvement in treatment. Providers reported that the resources they would find most helpful were readily accessible patient education materials, strategies to link patients with community treatment programs and training in brief, focused counseling skills. Three-quarters of providers already used telehealth for distance learning. Providers reported very high interest in participating in continuing education on pediatric obesity delivered by telehealth, specifically Internet communication with specialists, web-based education, and interactive video case-conferencing. Conclusions Rural health care providers face several barriers related to pediatric obesity management. Targeted interventions provided via telehealth to rural health care providers may enhance the care of obese children and adolescents. The results of this study provide directions and priorities for the design of appropriate interventions. PMID:21729153

  13. Thematic Mapper and field investigations at the intersection of the Death Valley and Garlock fault zones, California

    NASA Technical Reports Server (NTRS)

    Brady, Roland H., III; Cregan, Alan; Clayton, Jeff; Troxel, Bennie W.; Verosub, Kenneth L.; Abrams, Michael

    1989-01-01

    Analysis of processed images and detailed field investigations have provided significant information concerning the late-Pliocene and Quaternary evolution of the intersection of the Garlock and Death Valley fault zones. The imagery was used to determine patterns of sedimentation and age relationships on alluvial fans and to determine the geometry, styles of deformation, and relative ages of movements on major and minor faults in the study area. The field investigation often confirmed the inferences drawn from the images and provided additional tectonic and geomorphologic data about the Quaternary deformation of the region. All the data gathered in the course of this project support the contention that the Garlock fault zone terminates in the Avawatz Mountains and that the Death Valley fault zone continues south of the intersection for at least 50 km, forming the eastern boundary of the Mojave province.

  14. Trends in food insecurity among California residents from 2001 to 2011: Inequities at the intersection of immigration status and ethnicity.

    PubMed

    Walsemann, Katrina M; Ro, Annie; Gee, Gilbert C

    2017-09-11

    Although immigrants are healthier than non-immigrants on numerous outcomes, the reverse appears to be true with regards to food insecurity. Most studies ignore heterogeneity in the risk for food insecurity within immigration status and by ethnicity, even though significant variation likely exists. We consider how immigration status and ethnicity are related to trends in food insecurity among Latinos and Asians in California from 2001 through 2011. Data come from the 2001 to 2011 restricted California Health Interview Survey (n=245,679). We categorized Latinos and Asians as US-born, naturalized/legal permanent residents (naturalized/LPR), and non-LPRs (students, temporary workers, refugees, and undocumented persons). Multivariable weighted logistic regression analyses assessed temporal trends over the 10-year period after adjustment for demographics, socioeconomic characteristics, and program participation. Across this period, US-born Asians reported similar levels of food insecurity as US-born Whites. Conversely, Latinos, regardless of immigration status or nativity, and Asian immigrants (i.e., naturalized/LPR and non-LPR) reported greater food insecurity than US-born Whites. Further, from 2001 through 2009, non-LPR Latinos reported higher risk of food insecurity than naturalized/LPR Latinos. Thus, food insecurity differs between ethnic groups, but also differs within ethnic group by immigration status. Efforts to reduce food insecurity should consider the additional barriers to access that are faced by immigrants, particularly those without legal permanent residency. Copyright © 2017 Elsevier Inc. All rights reserved.

  15. Intersectionality in the Lives of LGBTQ Youth: Identifying as LGBTQ and Finding Community in Small Cities and Rural Towns.

    PubMed

    Hulko, Wendy; Hovanes, Jessica

    2017-05-16

    This article presents an analysis of the views of younger bisexual and lesbian women and transgender youth living in a western Canadian small city on their sexual and gender identities. Data were collected through focus groups and interviews and analyzed thematically through an intersectional lens. The purposive sample was composed of 13 youth who identified as lesbian, gay, bisexual, transgender, or queer (LGBTQ) and whose average age was 19.8 years. The analytical themes of (1) living in a small town, (2) identifying and being identified, and (3) talking intersectionality indicate that the sexual identities and gender identities and expressions of LGBTQ youth change across time and context and are impacted by often overlooked factors including faith, Indigenous ancestry, disability, and class. Further, the size and character of the community significantly impacts LGBTQ youth identity development and expression. This research demonstrates the uniqueness of individual youth's experiences-opposing notions of milestone events as singularly important in queer youth identity development.

  16. Integrating Landsat and California pesticide exposure estimation at aggregated analysis scales: Accuracy assessment of rurality

    NASA Astrophysics Data System (ADS)

    Vopham, Trang Minh

    Pesticide exposure estimation in epidemiologic studies can be constrained to analysis scales commonly available for cancer data - census tracts and ZIP codes. Research goals included (1) demonstrating the feasibility of modifying an existing geographic information system (GIS) pesticide exposure method using California Pesticide Use Reports (PURs) and land use surveys to incorporate Landsat remote sensing and to accommodate aggregated analysis scales, and (2) assessing the accuracy of two rurality metrics (quality of geographic area being rural), Rural-Urban Commuting Area (RUCA) codes and the U.S. Census Bureau urban-rural system, as surrogates for pesticide exposure when compared to the GIS gold standard. Segments, derived from 1985 Landsat NDVI images, were classified using a crop signature library (CSL) created from 1990 Landsat NDVI images via a sum of squared differences (SSD) measure. Organochlorine, organophosphate, and carbamate Kern County PUR applications (1974-1990) were matched to crop fields using a modified three-tier approach. Annual pesticide application rates (lb/ac), and sensitivity and specificity of each rurality metric were calculated. The CSL (75 land use classes) classified 19,752 segments [median SSD 0.06 NDVI]. Of the 148,671 PUR records included in the analysis, Landsat contributed 3,750 (2.5%) additional tier matches. ZIP Code Tabulation Area (ZCTA) rates ranged between 0 and 1.36 lb/ac and census tract rates between 0 and 1.57 lb/ac. Rurality was a mediocre pesticide exposure surrogate; higher rates were observed among urban areal units. ZCTA-level RUCA codes offered greater specificity (39.1-60%) and sensitivity (25-42.9%). The U.S. Census Bureau metric offered greater specificity (92.9-97.5%) at the census tract level; sensitivity was low (≤6%). The feasibility of incorporating Landsat into a modified three-tier GIS approach was demonstrated. Rurality accuracy is affected by rurality metric, areal aggregation, pesticide chemical

  17. Intersection between Alcohol Abuse and Intimate Partner's Violence in a Rural Ijaw Community in Bayelsa State, South-South Nigeria

    ERIC Educational Resources Information Center

    Brisibe, Seiyefa; Ordinioha, Best; Dienye, Paul O.

    2012-01-01

    According to the 2008 National Demographic and Health Survey, the south-south zone of Nigeria had the highest prevalence of domestic violence. This study is to find out if this is related to the widespread consumption of alcohol in the region. The study was carried out in Okoloba, a rural Ijaw community in Bayelsa State, where alcohol is produced…

  18. Intersection between Alcohol Abuse and Intimate Partner's Violence in a Rural Ijaw Community in Bayelsa State, South-South Nigeria

    ERIC Educational Resources Information Center

    Brisibe, Seiyefa; Ordinioha, Best; Dienye, Paul O.

    2012-01-01

    According to the 2008 National Demographic and Health Survey, the south-south zone of Nigeria had the highest prevalence of domestic violence. This study is to find out if this is related to the widespread consumption of alcohol in the region. The study was carried out in Okoloba, a rural Ijaw community in Bayelsa State, where alcohol is produced…

  19. The Changing Colors of Maple Hills: Intersections of Culture, Race, Language, and Exceptionality in a Rural Farming Community

    ERIC Educational Resources Information Center

    Scanlan, Martin

    2016-01-01

    This case describes Maple Hills Elementary, a K-8 school in a rural farming community of the Midwest. As a community, Maple Hills has historically experienced a narrow range of diversity across race, ethnicity, language, and religion. Residents have predominantly been White, with German and English heritage, speak English as a mother tongue, and…

  20. The Odden High School Fiasco: Examining the Intersection of Race, Class, and Values in Rural School Leadership and Policy

    ERIC Educational Resources Information Center

    Torres, Mario S., Jr.; Scheurich, James Joseph

    2007-01-01

    The clash of values between the principal and the community has political ramifications for how policies are developed and implemented. This case study describes a situation in which an African American principal in a White-dominant but increasingly diverse rural school district tests the limits of a community by enforcing a tardy policy for the…

  1. The Changing Colors of Maple Hills: Intersections of Culture, Race, Language, and Exceptionality in a Rural Farming Community

    ERIC Educational Resources Information Center

    Scanlan, Martin

    2016-01-01

    This case describes Maple Hills Elementary, a K-8 school in a rural farming community of the Midwest. As a community, Maple Hills has historically experienced a narrow range of diversity across race, ethnicity, language, and religion. Residents have predominantly been White, with German and English heritage, speak English as a mother tongue, and…

  2. Smokeless Tobacco Decision-Making Among Rural Adolescent Males in California.

    PubMed

    Couch, Elizabeth T; Darius, Ellen; Walsh, Margaret M; Chaffee, Benjamin W

    2016-10-28

    Smokeless tobacco (ST) use among US high school males living in rural areas exceeds national levels. Subgroups at heightened risk of ST use have been identified, but less is known regarding ST decision-making within high-risk groups. The study objective was to describe rural adolescent males' perceived ST acceptability, health risks, and social implications and how those perceptions differ between ST users and never-users. Semi-structured individual interviews were conducted with a purposeful sample of 55 male students (32 ST ever-users) at three rural California high schools. Interviews were audio recorded and professionally transcribed. Investigators collaboratively developed a codebook based on thematic content and then independently coded transcripts, reconvening frequently to achieve consensus. Coded text was systematically organized into themes following a general inductive approach. ST users and non-users shared multiple ST-related perceptions, including: that ST is a common, normative way of life in rural "country" culture among certain groups; that ST use conveys oral health risks; and that the decision to use (or not to use) is rooted in personal choice. ST users' and never-users' perceptions differed regarding the immediacy, severity, and inevitability of health risks, particularly relative to cigarette smoking. Other differences included perceived parental permissiveness and the expected social benefits of ST use, such as peer acceptance and conveying maturity. Within this population of rural male adolescents, ST users emphasized the social benefits of ST use, while acknowledging but discounting health risks. Differences and similarities in tobacco perceptions among adolescents living in similar environments may inform effective health communication.

  3. In vitro and in vivo toxicity of urban and rural particulate matter from California

    NASA Astrophysics Data System (ADS)

    Mirowsky, Jaime E.; Jin, Lan; Thurston, George; Lighthall, David; Tyner, Tim; Horton, Lori; Galdanes, Karen; Chillrud, Steven; Ross, James; Pinkerton, Kent E.; Chen, Lung Chi; Lippmann, Morton; Gordon, Terry

    2015-02-01

    Particulate matter (PM) varies in chemical composition and mass concentration based on location, source, and particle size. This study sought to evaluate the in vitro and in vivo toxicity of coarse (PM10-2.5) and fine (PM2.5) PM samples collected at 5 diverse sites within California. Coarse and fine PM samples were collected simultaneously at 2 rural and 3 urban sites within California during the summer. A human pulmonary microvascular endothelial cell line (HPMEC-ST1.6R) was exposed to PM suspensions (50 μg/mL) and analyzed for reactive oxygen species (ROS) after 5 h of treatment. In addition, FVB/N mice were exposed by oropharyngeal aspiration to 50 μg PM, and lavage fluid was collected 24 h post-exposure and analyzed for total protein and %PMNs. Correlations between trace metal concentrations, endotoxin, and biological endpoints were calculated, and the effect of particle size range, locale (urban vs. rural), and location was determined. Absolute principal factor analysis was used to identify pollution sources of PM from elemental tracers of those sources. Ambient PM elicited an ROS and pro-inflammatory-related response in the cell and mouse models, respectively. These responses were dependent on particle size, locale, and location. Trace elements associated with soil and traffic markers were most strongly linked to the adverse effects in vitro and in vivo. Particle size, location, source, and composition of PM collected at 5 locations in California affected the ROS response in human pulmonary endothelial cells and the inflammatory response in mice.

  4. In vitro and in vivo toxicity of urban and rural particulate matter from California

    PubMed Central

    Mirowsky, Jaime E.; Jin, Lan; Thurston, George; Lighthall, David; Tyner, Tim; Horton, Lori; Galdanes, Karen; Chillrud, Steven; Ross, James; Pinkerton, Kent E.; Chen, Lung Chi; Lippmann, Morton; Gordon, Terry

    2015-01-01

    Particulate matter (PM) varies in chemical composition and mass concentration based on location, source, and particle size. This study sought to evaluate the in vitro and in vivo toxicity of coarse (PM10-2.5) and fine (PM25) PM samples collected at 5 diverse sites within California. Coarse and fine PM samples were collected simultaneously at 2 rural and 3 urban sites within California during the summer. A human pulmonary microvascular endothelial cell line (HPMEC-ST1.6R) was exposed to PM suspensions (50 μg/mL) and analyzed for reactive oxygen species (ROS) after 5 hours of treatment. In addition, FVB/N mice were exposed by oropharyngeal aspiration to 50 μg PM, and lavage fluid was collected 24 hrs post-exposure and analyzed for total protein and %PMNs. Correlations between trace metal concentrations, endotoxin, and biological endpoints were calculated, and the effect of particle size range, locale (urban vs. rural), and location was determined. Absolute principal factor analysis was used to identify pollution sources of PM from elemental tracers of those sources. Ambient PM elicited an ROS and pro-inflammatory-related response in the cell and mouse models, respectively. These responses were dependent on particle size, locale, and location. Trace elements associated with soil and traffic markers were most strongly linked to the adverse effects in vitro and in vivo. Particle size, location, source, and composition of PM collected at 5 locations in California affected the ROS response in human pulmonary endothelial cells and the inflammatory response in mice. PMID:26478712

  5. Ethnic and gender differences in farm tasks and safety practices among rural California farm youth.

    PubMed

    McCurdy, Stephen A; Kwan, Jonathan A

    2012-01-01

    Agricultural work is hazardous and is common among rural youth, especially those living on farms or ranches. Previous work has shown differences in farm work and injury patterns between boys and girls, but little data exist addressing ethnic differences. This study examined ethnic and gender differences in farm tasks, safety attitudes, and use of protective measures among rural California youth working on farms or ranches. The University of California, Davis Youth Agricultural Injury Study is a longitudinal study focusing on agricultural work experience among youth enrolled in an agricultural sciences curriculum in 10 public high schools in California's Central Valley during the 2001-2005 school years. Using cross-sectional data from the initial entrance survey, we studied 946 participants who reported farm work in the previous year. Median annual hours of farm work varied significantly between boys and girls (p < 0.001) and between ethnic groups (p < 0.05) (Hispanic boys: 624 hr; Hispanic girls: 189 hr; White/Other boys: 832 hr; White/Other girls: 468 hr). Girls and Hispanic students were less likely than boys and White/Other students, respectively, to perform hazardous tasks involving tractors, machinery, and chemicals. Median age for initiating work on selected hazardous tasks was up to 3 years later for Hispanic students. Use of task-appropriate safety measures was low in all groups for most hazardous tasks. Boys were more likely than girls to use task-appropriate safety measures, with the exception of seatbelt use when in a car or truck. Hispanic students were more likely than White/Other students to employ safety measures. Girls and Hispanic youth worked fewer farm hours and had reduced exposure to selected hazardous tasks. Use of task-appropriate safety measures was low for all groups but increased for Hispanic students. Further study should explore reasons for low use of safety measures and develop educational efforts to bring about social norm changes

  6. A Qualitative Study about Cervical Cancer Screening among Latinas Living in a Rural Area of California: Lessons for Health Educators

    ERIC Educational Resources Information Center

    Pinzon-Perez, Helda; Perez, Miguel; Torres, Victor; Krenz, Vickie

    2005-01-01

    Cervical cancer is a major health concern for Latinas, who are also less likely to undergo a Pap smear exam than the general population. This study identifies alterable determinants of Pap smear screening for Latino women living in a rural area of California. It involved the design and pilot testing of a culturally appropriate instrument and the…

  7. Individual Roles and Approaches to Public Engagement in a Community-University Partnership in a Rural California Town

    ERIC Educational Resources Information Center

    Prins, Esther

    2006-01-01

    This case study examines the roles that a professor, graduate student, consultant, and community education specialist at a public university in California have played in a partnership with an elementary school and a community-based organization in a nearby rural town. The case reveals that individuals' roles and approaches to public engagement…

  8. A Study of the Roles and Responsibilities of Superintendent/Principals in Small, Rural School Districts in Northern California

    ERIC Educational Resources Information Center

    Geivett, Morton J., II

    2010-01-01

    Purpose. The purpose of this study was to identify and describe the roles and responsibilities of the superintendent/principal in small, rural school districts in northern California perceived to be the most important by the superintendent/principal. In addition, it was the purpose of this study to identify the challenges of serving as the…

  9. A Study of the Roles and Responsibilities of Superintendent/Principals in Small, Rural School Districts in Northern California

    ERIC Educational Resources Information Center

    Geivett, Morton J., II

    2010-01-01

    Purpose. The purpose of this study was to identify and describe the roles and responsibilities of the superintendent/principal in small, rural school districts in northern California perceived to be the most important by the superintendent/principal. In addition, it was the purpose of this study to identify the challenges of serving as the…

  10. Rural-Urban Differences in Awareness and Use of Family Planning Services Among Adolescent Women in California.

    PubMed

    Yarger, Jennifer; Decker, Martha J; Campa, Mary I; Brindis, Claire D

    2017-04-01

    The purpose of this study was to compare awareness and use of family planning services by rural and urban program site among a sample of adolescent women before participation in the federal Personal Responsibility Education Program in California. We conducted a secondary analysis of survey data collected from youth before participation in California's Personal Responsibility Education Program. Bivariate and multivariate analyses were conducted for a sample of 4,614 females ages 14-18 years to compare awareness and use of family planning services between participants at rural and urban program sites, controlling for the program setting and participant demographic, sexual, and reproductive characteristics. Overall, 61% of participants had heard of a family planning provider in their community, and 24% had visited a family planning provider. Awareness and use of family planning services were lower among rural participants than urban participants. After adjusting for the program setting and participant characteristics, rural participants were less likely to know about a family planning provider in their community (odds ratio, .64; 95% confidence interval, .50-.81) or receive family planning services (odds ratio, .76; 95% confidence interval, .58-.99) than urban participants. Findings suggest that adolescents in rural areas face greater barriers to accessing family planning services than adolescents in urban areas. Targeted efforts to increase awareness and use of family planning services among adolescents in rural areas and among other underserved populations are needed. Copyright © 2016 Society for Adolescent Health and Medicine. Published by Elsevier Inc. All rights reserved.

  11. Carnivore distributions across chaparral habitats exposed to wildfire and rural housing in southern California

    USGS Publications Warehouse

    Schuette, P.A.; Diffendorfer, J.E.; Deutschman, D.H.; Tremor, S.; Spencer, W.

    2014-01-01

    Chaparral and coastal sage scrub habitats in southern California support biologically diverse plant and animal communities. However, native plant and animal species within these shrubland systems are increasingly exposed to human-caused wildfires and an expansion of the human–wildland interface. Few data exist to evaluate the effects of fire and anthropogenic pressures on plant and animal communities found in these environments. This is particularly true for carnivore communities. To address this knowledge gap, we collected detection–non-detection data with motion-sensor cameras and track plots to measure carnivore occupancy patterns following a large, human-caused wildfire (1134 km2) in eastern San Diego County, California, USA, in 2003. Our focal species set included coyote (Canis latrans), gray fox (Urocyon cinereoargenteus), bobcat (Lynx rufus) and striped skunk (Mephitis mephitis). We evaluated the influence on species occupancies of the burned environment (burn edge, burn interior and unburned areas), proximity of rural homes, distance to riparian area and elevation. Gray fox occupancies were the highest overall, followed by striped skunk, coyote and bobcat. The three species considered as habitat and foraging generalists (gray fox, coyote, striped skunk) were common in all conditions. Occupancy patterns were consistent through time for all species except coyote, whose occupancies increased through time. In addition, environmental and anthropogenic variables had weak effects on all four species, and these responses were species-specific. Our results helped to describe a carnivore community exposed to frequent fire and rural human residences, and provide baseline data to inform fire management policy and wildlife management strategies in similar fire-prone ecosystems.

  12. Safer Sexual Practices and HIV Screening Behavior among Rural California American Indians

    PubMed Central

    Hodge, Felicia S.; Sinha, Karabi

    2011-01-01

    This paper reports on safer sexual practices and HIV screening behavior among rural California American Indians. Thirteen Indian health clinic registries formed the random household survey sampling frame (N=457). Measures included socio-demographics, safer sexual practices, HIV testing, high-risk behaviors, perception of wellness, general health status, neglect, physical and sexual abuse history. Statistical tests included chi-square and Fisher’s exact tests, as well as multiple logistic regression analysis. Respondents who practiced safer sex were younger, not married, reported lower annual income, changed sexual behavior in the last 12 months, were not in a monogamous relationship, and had a higher perception of wellness. Those who were tested for HIV were younger, had at least a high school education, consumed alcohol, had significantly higher suicide ideation and attempts, changed their sexual behavior in the last 12 months, and reported a history of sexual abuse as a child and adult. Very little is known about HIV prevention and screening behaviors in rural American Indian populations. Identifying predictors of unsafe sexual practices and non-HIV testing tendencies help to plan for measures to protect the population from this devastating disease. We make recommendations for implementing HIV prevention education and screenings at American Indian clinics. PMID:21625380

  13. Intersection between alcohol abuse and intimate partner's violence in a rural Ijaw community in Bayelsa State, South-South Nigeria.

    PubMed

    Brisibe, Seiyefa; Ordinioha, Best; Dienye, Paul O

    2012-02-01

    According to the 2008 National Demographic and Health Survey, the south-south zone of Nigeria had the highest prevalence of domestic violence. This study is to find out if this is related to the widespread consumption of alcohol in the region. The study was carried out in Okoloba, a rural Ijaw community in Bayelsa State, where alcohol is produced and consumed in large quantities; using a cross-sectional study design. The data was collected from married or cohabitating adults aged between 16 and 65 years, with a structured interviewer-administered questionnaire. A total of 346 subjects, comprising 187 males, and 159 females were studied. They had an average age of 41.4 ± 2.5 years, were mostly Christians (91.9%), farmers/fisher folk (52.3%), and had at most primary school education (64.2%). More than 90% of the subjects took alcohol in the preceding year, while 36% can be classified as alcohol abusers according to their AUDIT score. More than half (55.8%) were perpetrators of intimate partner violence during the preceding 12 months, with a male-to-female prevalence of 83.4%, and female-to-male prevalence of 23.3%. Out of these, 77.2% were under the influence of alcohol during the act. The violence was more likely to be perpetrated by male alcohol abusers (p-value < 0.001), but there were no significant differences in the educational levels and religion of the perpetrators (p-value > 0.05). The study therefore concludes that there is a link between intimate partner abuse and alcohol abuse in the study community.

  14. Case Study of Leadership Practices and School-Community Interrelationships in High-Performing, High-Poverty, Rural California High Schools

    ERIC Educational Resources Information Center

    Masumoto, Marcia; Brown-Welty, Sharon

    2009-01-01

    Many rural California high schools are impacted by the disadvantages of poverty, non-English speaking students, limited resources, changing demographics, and challenges of the rural context. Focusing on contemporary leadership theories and school-community interrelationships, this qualitative study examines the practices of educational leaders in…

  15. Case Study of Leadership Practices and School-Community Interrelationships in High-Performing, High-Poverty, Rural California High Schools

    ERIC Educational Resources Information Center

    Masumoto, Marcia; Brown-Welty, Sharon

    2009-01-01

    Many rural California high schools are impacted by the disadvantages of poverty, non-English speaking students, limited resources, changing demographics, and challenges of the rural context. Focusing on contemporary leadership theories and school-community interrelationships, this qualitative study examines the practices of educational leaders in…

  16. Association between Obesity and History of Abuse among American Indians in Rural California.

    PubMed

    Hodge, Felicia; Stemmler, M Susan; Nandy, Karabi

    2014-01-01

    To explore factors associated with obesity among American Indians. A cross-sectional survey of American Indian adults (N=459) was conducted at 13 rural reservation sites in California. Participants responded to a survey about their health and wellness perceptions. The Body Mass Index (BMI) was used to assess obesity. A predictive model for BMI was built using a generalized regression model. Having high blood pressure and having a history of verbal abuse in childhood were significant predictors of higher BMI. Participants with high blood pressure were likely to have 3.2 units of BMI higher on average than those who do not have high blood pressure (p-value <0.0001). Similarly, those with a history of childhood verbal abuse were likely to have 1.9 units higher BMI on average compared to those with no such history. Having a history of diabetes or sexual abuse in childhood trend towards increased BMI, although not statistically significant. Identifying childhood trauma and its impact on adult obesity rates among American Indians provides new avenues for intervention. Efforts to reduce over weight and obesity should include culturally sensitive interventions to ameliorate and repair what is lost through personal violations of stigma, abuse or neglect.

  17. Estimating CH4 and CO Emissions in California's Urban and Rural Regions Using Multi-site Observations

    NASA Astrophysics Data System (ADS)

    Jeong, S.; Andrews, A. E.; Bianco, L.; Graven, H. D.; Hsu, Y.; Newman, S.; Novakovskaia, E.; Vaca, P.; Salameh, P.; Sloop, C.; Weiss, R. F.; Keeling, R. F.; Fischer, M. L.

    2013-12-01

    California's commitment (Assembly Bill 32) to reduce total greenhouse gas (GHG) emissions to 1990 levels by 2020 (~20% reduction) requires quantification of current GHG emissions. We will present atmospheric inversion estimates of California's total CH4 emissions for summer 2013, using data from multiple sites covering urban and rural areas of California's South Coast Air Basin (SoCAB), Central Valley, and San Francisco Bay Area. We will also use measured CO from two tall-tower sites (Central Valley and SoCAB) to quantify CO emissions as well as to evaluate atmospheric transport. We use Bayesian inverse modeling to estimate the CH4 and CO emissions from discrete regions of California by combining the atmospheric measurements, upstream background, high-resolution prior emission maps, and predicted atmospheric transport from WRF-STILT. We quantify site-specific model-measurement uncertainties due to transport using meteorological data from a network of atmospheric profilers and in-situ sensors, due to background using oceanic and aircraft observations, and the prior emissions. To reduce the uncertainty in transport, we assimilate available meteorological measurements from surface and upper air stations, and wind profilers into the WRF model. Preliminary inversion results during September 2010 - June 2011 and summer of 2012 suggest that state total CH4 emissions are 1.2 - 1.8 times higher than the current CARB inventory and we will update these estimates. We expect the results of this study will significantly improve upon existing work in quantifying CH4 and CO emissions in California's urban and rural regions.

  18. Exploring how residential mobility and migration influences teenage pregnancy in five rural communities in California: youth and adult perceptions.

    PubMed

    Lara, Diana; Decker, Martha J; Brindis, Claire D

    2016-09-01

    Teenage birth rates among young people aged 15-19 years in California, USA, have declined from 47 births per 1000 in 2000 to 24 per 1000 in 2013. Nevertheless, the US counties with the highest teenage birth rates are predominantly rural and have a high proportion of Latinos/as. We conducted 42 interviews with key stakeholders and 12 focus groups with 107 young people in five rural communities to better understand local migration patterns and their influence on intermediate and proximate variables of pregnancy, such as interaction with role models and barriers to access contraception. The migration patterns identified were: residential mobility due to seasonal jobs, residential mobility due to economic and housing changes and migration from other countries to California. These patterns affect young people and families' interactions with school and health systems and other community members, creating both opportunities and barriers to prevent risky sexual behaviours. In rural areas, residential mobility and migration to the USA interconnect. As a result, young people dually navigate the challenges of residential mobility, while also adapting to the dominant US culture. It is important to promote programmes that support the integration of immigrant youth to reduce their sense of isolation, as well as to assure access to sexual health education and reproductive health services.

  19. Intersection of Living in a Rural Versus Urban Area and Race/Ethnicity in Explaining Access to Health Care in the United States.

    PubMed

    Caldwell, Julia T; Ford, Chandra L; Wallace, Steven P; Wang, May C; Takahashi, Lois M

    2016-08-01

    To examine whether living in a rural versus urban area differentially exposes populations to social conditions associated with disparities in access to health care. We linked Medical Expenditure Panel Survey (2005-2010) data to geographic data from the American Community Survey (2005-2009) and Area Health Resource File (2010). We categorized census tracts as rural and urban by using the Rural-Urban Commuting Area Codes. Respondent sample sizes ranged from 49 839 to 105 306. Outcomes were access to a usual source of health care, cholesterol screening, cervical screening, dental visit within recommended intervals, and health care needs met. African Americans in rural areas had lower odds of cholesterol screening (odds ratio[OR] = 0.37; 95% confidence interval[CI] = 0.25, 0.57) and cervical screening (OR = 0.48; 95% CI = 0.29, 0.80) than African Americans in urban areas. Whites had fewer screenings and dental visits in rural versus urban areas. There were mixed results for which racial/ethnic group had better access. Rural status confers additional disadvantage for most of the health care use measures, independently of poverty and health care supply.

  20. Estimating methane emissions in California's urban and rural regions using multitower observations

    NASA Astrophysics Data System (ADS)

    Jeong, Seongeun; Newman, Sally; Zhang, Jingsong; Andrews, Arlyn E.; Bianco, Laura; Bagley, Justin; Cui, Xinguang; Graven, Heather; Kim, Jooil; Salameh, Peter; LaFranchi, Brian W.; Priest, Chad; Campos-Pineda, Mixtli; Novakovskaia, Elena; Sloop, Christopher D.; Michelsen, Hope A.; Bambha, Ray P.; Weiss, Ray F.; Keeling, Ralph; Fischer, Marc L.

    2016-11-01

    We present an analysis of methane (CH4) emissions using atmospheric observations from 13 sites in California during June 2013 to May 2014. A hierarchical Bayesian inversion method is used to estimate CH4 emissions for spatial regions (0.3° pixels for major regions) by comparing measured CH4 mixing ratios with transport model (Weather Research and Forecasting and Stochastic Time-Inverted Lagrangian Transport) predictions based on seasonally varying California-specific CH4 prior emission models. The transport model is assessed using a combination of meteorological and carbon monoxide (CO) measurements coupled with the gridded California Air Resources Board (CARB) CO emission inventory. The hierarchical Bayesian inversion suggests that state annual anthropogenic CH4 emissions are 2.42 ± 0.49 Tg CH4/yr (at 95% confidence), higher (1.2-1.8 times) than the current CARB inventory (1.64 Tg CH4/yr in 2013). It should be noted that undiagnosed sources of errors or uncaptured errors in the model-measurement mismatch covariance may increase these uncertainty bounds beyond that indicated here. The CH4 emissions from the Central Valley and urban regions (San Francisco Bay and South Coast Air Basins) account for 58% and 26% of the total posterior emissions, respectively. This study suggests that the livestock sector is likely the major contributor to the state total CH4 emissions, in agreement with CARB's inventory. Attribution to source sectors for subregions of California using additional trace gas species would further improve the quantification of California's CH4 emissions and mitigation efforts toward the California Global Warming Solutions Act of 2006 (Assembly Bill 32).

  1. Lifetime prevalence of DSM-III-R psychiatric disorders among urban and rural Mexican Americans in California.

    PubMed

    Vega, W A; Kolody, B; Aguilar-Gaxiola, S; Alderete, E; Catalano, R; Caraveo-Anduaga, J

    1998-09-01

    The Mexican American Prevalence and Services Survey presents lifetime prevalence rates for 12 DSM-III-R psychiatric disorders in a sample of 3012 adults of Mexican origin by place of residence and nativity, and compares these results with those of population surveys conducted in the United States and Mexico. The stratified random sample included non-institutionalized persons aged 18 to 59 years of Mexican origin, who were residents of Fresno County, California. Psychiatric disorders were assessed using a modified version of the World Health Organization Composite International Diagnostic Interview in face-to-face interviews. Mexican immigrants had lifetime rates similar to those of Mexican citizens, while rates for Mexican Americans were similar to those of the national population of the United States. This difference is attributable to a prevalence rate for any disorder among immigrants of 24.9%, compared with 48.1% among US-born respondents. A higher prevalence for any disorder was reported in urban (35.7%) compared with town (32.1%) or rural (29.8%) areas. Multivariate analyses showed an adjusted effect of country of birth, but not of urban residence. Despite very low education and income levels, Mexican Americans had lower rates of lifetime psychiatric disorders compared with rates reported for the US population by the National Comorbidity Survey. Psychiatric morbidity among Mexican Americans is primarily influenced by cultural variance rather than socioeconomic status or urban vs rural residence.

  2. Drug-scene familiarity and exposure to gang violence among residents in a rural farming community in Baja California, Mexico

    PubMed Central

    Volkmann, Tyson; Fraga, Miguel A.; Brodine, Stephanie K.; Iñiguez-Stevens, Esmeralda; Cepeda, Alice; Elder, John P.; Garfein, Richard S.

    2012-01-01

    We examined drug-scene familiarity and exposure to gang violence among residents of a migrant farming community in rural Baja California, Mexico. In October 2010, 164 members of a single colonia (community) underwent an interviewer-administered survey to assess ‘exposure to gang violence’ and ‘drug-scene familiarity’, as well as other health indicators. Logistic regression was used to identify correlates of exposure to gang violence. Overall, 20% of participants were male, the median age was 27 years, 24% spoke an indigenous language, 42% reported exposure to gang violence, and 39% reported drug-scene familiarity. Factors independently associated with exposure to gang violence included being younger (AOR=0.80 per 5-year increase, 95% CI=0.67–0.96), living in the community longer (AOR=1.47 per 5-year increase, 95% CI=1.11–1.72), higher educational attainment (AOR=1.70 per 5-year increase, 95% CI=1.07–1.12), and drug-scene familiarity (AOR=5.10, 95%CI=2.39–10.89). Exposure to gang violence was very common in this community and was associated with drug-scene familiarity, suggesting a close relationship between drugs and gang violence in this rural community. In a region characterised by mass migration from poorer parts of Mexico, where drugs and gangs have not been previously reported, emerging social harms may affect these communities unless interventions are implemented. PMID:23072623

  3. Drug-scene familiarity and exposure to gang violence among residents in a rural farming community in Baja California, Mexico.

    PubMed

    Volkmann, Tyson; Fraga, Miguel A; Brodine, Stephanie K; Iñiguez-Stevens, Esmeralda; Cepeda, Alice; Elder, John P; Garfein, Richard S; Viidai Team

    2013-01-01

    We examined drug-scene familiarity and exposure to gang violence among residents of a migrant farming community in rural Baja California, Mexico. In October 2010, 164 members of a single colonia (community) underwent an interviewer-administered survey to assess 'exposure to gang violence' and 'drug-scene familiarity', as well as other health indicators. Logistic regression was used to identify correlates of exposure to gang violence. Overall, 20% of participants were male, the median age was 27 years, 24% spoke an indigenous language, 42% reported exposure to gang violence and 39% reported drug-scene familiarity. Factors independently associated with exposure to gang violence included being younger (adjusted odds ratio [AOR] =0.80 per 5-year increase, 95% confidence interval [CI]=0.67-0.96), living in the community longer (AOR=1.47 per 5-year increase, 95% CI=1.11-1.72), higher educational attainment (AOR=1.70 per 5-year increase, 95% CI=1.07-1.12) and drug-scene familiarity (AOR=5.10, 95% CI=2.39-10.89). Exposure to gang violence was very common in this community and was associated with drug-scene familiarity, suggesting a close relationship between drugs and gang violence in this rural community. In a region characterised by mass migration from poorer parts of Mexico, where drugs and gangs have not been previously reported, emerging social harms may affect these communities unless interventions are implemented.

  4. Breast Cancer--Screening Behavior among Rural California American Indian Women

    ERIC Educational Resources Information Center

    Hodge, Felicia Schanche

    2009-01-01

    A community-based Wellness Circles Program was designed and implemented at 13 sites in California to evaluate a culturally appropriate community-based health care model for American Indian families. Data obtained from the Behavioral Risk Factor Surveillance System (BRFSS) that was administered to a subset of women demonstrate that American Indian…

  5. Breast Cancer--Screening Behavior among Rural California American Indian Women

    ERIC Educational Resources Information Center

    Hodge, Felicia Schanche

    2009-01-01

    A community-based Wellness Circles Program was designed and implemented at 13 sites in California to evaluate a culturally appropriate community-based health care model for American Indian families. Data obtained from the Behavioral Risk Factor Surveillance System (BRFSS) that was administered to a subset of women demonstrate that American Indian…

  6. Learning and Identity: The Intersection of Micro and Macro Processes in Identity Formation for Students and the Community in a Small Rural Town--The Wesley Experience.

    ERIC Educational Resources Information Center

    Lloyd, Doug; Downey, Tamara; McDonough, Sharon

    Wesley College, a private urban secondary school, sought a rural location where ninth-grade students could spend a term in a community-based, experientially-derived curriculum to enhance their sense of self and community. The small town of Clunes, in Victoria (Australia), accepted Wesley's initiative and since 2000, Wesley has operated a campus…

  7. Estimating methane emissions in California's urban and rural regions using multitower observations

    DOE PAGES

    Jeong, Seongeun; Newman, Sally; Zhang, Jingsong; ...

    2016-11-05

    Here, we present an analysis of methane (CH4) emissions using atmospheric observations from 36 thirteen sites in California during June 2013 – May 2014. A hierarchical Bayesian inversion 37 method is used to estimate CH4 emissions for spatial regions (0.3° pixels for major regions) by 38 comparing measured CH4 mixing ratios with transport model (WRF-STILT) predictions based 39 on seasonally varying California-specific CH4 prior emission models. The transport model is 40 assessed using a combination of meteorological and carbon monoxide (CO) measurements 41 coupled with the gridded California Air Resources Board (CARB) carbon monoxide (CO) 42 emission inventory. Hierarchical Bayesianmore » inversion suggests that state annual anthropogenic 43 CH4 emissions are 2.42 ± 0.49 Tg CH4/yr (at 95% confidence, including transport bias 44 uncertainty), higher (1.2 - 1.8 times) than the CARB current inventory (1.64 Tg CH4/yr in 2013). 45 We note that the estimated CH4 emissions drop to 1.0 - 1.6 times the CARB inventory if we 46 correct for the 10% median CH4 emissions assuming the bias in CO analysis is applicable to 47 CH4. The CH4 emissions from the Central Valley and urban regions (San Francisco Bay and 48 South Coast Air Basins) account for ~58% and 26% of the total posterior emissions, 49 respectively. This study suggests that the livestock sector is likely the major contributor to the 50 state total CH4 emissions, in agreement with CARB’s inventory. Attribution to source sectors for 51 sub-regions of California using additional trace gas species would further improve the 52 quantification of California’s CH4 emissions and mitigation efforts towards the California Global 53 Warming Solutions Act of 2006 (AB-32).« less

  8. Emotionally Supportive Classroom Contexts for Young Latino Children in Rural California

    ERIC Educational Resources Information Center

    Reese, Leslie; Jensen, Bryant; Ramirez, Debora

    2014-01-01

    Some have described the academic underperformance of Latino children, on the one hand, and their relatively strong socioemotional competencies on the other, as a "Latino Paradox." We unpack the affective climate of early elementary classrooms to explore how this paradox is addressed in a rural school district where children from…

  9. Organizational Practices of High-Achieving Rural School Districts in California's San Joaquin Valley

    ERIC Educational Resources Information Center

    Doerksen, Amanda López; Wise, Donald

    2016-01-01

    For over 25 years, researchers have identified "best practices" used by high-achieving school districts. However, little research exists regarding rural school systems, making it difficult to determine whether the best practices identified are relevant within this context. This study filled a void in research by focusing on the…

  10. Emotionally Supportive Classroom Contexts for Young Latino Children in Rural California

    ERIC Educational Resources Information Center

    Reese, Leslie; Jensen, Bryant; Ramirez, Debora

    2014-01-01

    Some have described the academic underperformance of Latino children, on the one hand, and their relatively strong socioemotional competencies on the other, as a "Latino Paradox." We unpack the affective climate of early elementary classrooms to explore how this paradox is addressed in a rural school district where children from…

  11. Sealing intersecting vane machines

    DOEpatents

    Martin, Jedd N.; Chomyszak, Stephen M.

    2005-06-07

    The invention provides a toroidal intersecting vane machine incorporating intersecting rotors to form primary and secondary chambers whose porting configurations minimize friction and maximize efficiency. Specifically, it is an object of the invention to provide a toroidal intersecting vane machine that greatly reduces the frictional losses through intersecting surfaces without the need for external gearing by modifying the width of one or both tracks at the point of intermeshing. The inventions described herein relate to these improvements.

  12. Sealing intersecting vane machines

    DOEpatents

    Martin, Jedd N.; Chomyszak, Stephen M.

    2007-06-05

    The invention provides a toroidal intersecting vane machine incorporating intersecting rotors to form primary and secondary chambers whose porting configurations minimize friction and maximize efficiency. Specifically, it is an object of the invention to provide a toroidal intersecting vane machine that greatly reduces the frictional losses through intersecting surfaces without the need for external gearing by modifying the width of one or both tracks at the point of intermeshing. The inventions described herein relate to these improvements.

  13. The Intersection Challenge

    ERIC Educational Resources Information Center

    Roman, Harry T.

    2011-01-01

    Street intersections are a source of accidents--for both automobiles and pedestrians. This article presents an intersection challenge that allows students to explore some possible ways to change the traditional intersection. In this challenge, teachers open up the boundaries and allow students to redesign their world. The first step is to help…

  14. Deburring small intersecting holes

    SciTech Connect

    Gillespie, L.K.

    1980-08-01

    Deburring intersecting holes is one of the most difficult deburring tasks faced by many industries. Only 14 of the 37 major deburring processes are applicable to most intersecting hole applications. Only five of these are normally applicable to small or miniature holes. Basic process capabilities and techniques used as a function of hole sizes and intersection depths are summarized.

  15. The Intersection Challenge

    ERIC Educational Resources Information Center

    Roman, Harry T.

    2011-01-01

    Street intersections are a source of accidents--for both automobiles and pedestrians. This article presents an intersection challenge that allows students to explore some possible ways to change the traditional intersection. In this challenge, teachers open up the boundaries and allow students to redesign their world. The first step is to help…

  16. Estimating methane emissions in California's urban and rural regions using multitower observations

    SciTech Connect

    Jeong, Seongeun; Newman, Sally; Zhang, Jingsong; Andrews, Arlyn E.; Bianco, Laura; Bagley, Justin; Cui, Xinguang; Graven, Heather; Kim, Jooil; Salameh, Peter; LaFranchi, Brian W.; Priest, Chad; Campos-Pineda, Mixtli; Novakovskaia, Elena; Sloop, Christopher D.; Michelsen, Hope A.; Bambha, Ray P.; Weiss, Ray F.; Keeling, Ralph; Fischer, Marc L.

    2016-11-05

    Here, we present an analysis of methane (CH4) emissions using atmospheric observations from 36 thirteen sites in California during June 2013 – May 2014. A hierarchical Bayesian inversion 37 method is used to estimate CH4 emissions for spatial regions (0.3° pixels for major regions) by 38 comparing measured CH4 mixing ratios with transport model (WRF-STILT) predictions based 39 on seasonally varying California-specific CH4 prior emission models. The transport model is 40 assessed using a combination of meteorological and carbon monoxide (CO) measurements 41 coupled with the gridded California Air Resources Board (CARB) carbon monoxide (CO) 42 emission inventory. Hierarchical Bayesian inversion suggests that state annual anthropogenic 43 CH4 emissions are 2.42 ± 0.49 Tg CH4/yr (at 95% confidence, including transport bias 44 uncertainty), higher (1.2 - 1.8 times) than the CARB current inventory (1.64 Tg CH4/yr in 2013). 45 We note that the estimated CH4 emissions drop to 1.0 - 1.6 times the CARB inventory if we 46 correct for the 10% median CH4 emissions assuming the bias in CO analysis is applicable to 47 CH4. The CH4 emissions from the Central Valley and urban regions (San Francisco Bay and 48 South Coast Air Basins) account for ~58% and 26% of the total posterior emissions, 49 respectively. This study suggests that the livestock sector is likely the major contributor to the 50 state total CH4 emissions, in agreement with CARB’s inventory. Attribution to source sectors for 51 sub-regions of California using additional trace gas species would further improve the 52 quantification of California’s CH4 emissions and mitigation efforts towards the California Global 53 Warming Solutions Act of 2006 (AB-32).

  17. Size-resolved source apportionment of carbonaceous particulate matter in urban and rural sites in central California

    NASA Astrophysics Data System (ADS)

    Ham, Walter A.; Kleeman, Michael J.

    2011-08-01

    Very little is currently known about the relationship between exposure to different sources of ambient ultrafine particles (PM 0.1) and human health effects. If human health effects are enhanced by PM 0.1's ability to cross cell membranes, then more information is needed describing the sources of ultrafine particles that are deposited in the human respiratory system. The current study presents results for the source apportionment of airborne particulate matter in six size fractions smaller than 1.8 μm particle diameter including ultrafine particles (PM 0.1) in one of the most polluted air basins in the United States. Size-resolved source apportionment results are presented at an urban site and rural site in central California's heavily polluted San Joaquin Valley during the winter and summer months using a molecular marker chemical mass balance (MM-CMB) method. Respiratory deposition calculations for the size-resolved source apportionment results are carried out with the Multiple Path Particle Dosimetry Model ( MPPD v 2.0), including calculations for ultrafine (PM 0.1) source deposition. Diesel engines accounted for the majority of PM 0.1 and PM 1.8 EC at both the urban and rural sampling locations during both summer and winter seasons. Meat cooking accounted for 33-67% and diesel engines accounted for 15-21% of the PM 0.1 OC at Fresno. Meat cooking accounted for 22-26% of the PM 0.1 OC at the rural Westside location, while diesel engines accounted for 8-9%. Wood burning contributions to PM 0.1 OC increased to as much as 12% of PM 0.1 OC during the wintertime. The modest contribution of wood smoke reflects the success of emissions control programs over the past decade. In contrast to PM 0.1, PM 1.8 OC had a higher fraction of unidentified source contributions (68-85%) suggesting that this material is composed of secondary organic aerosol (SOA) or primary organic aerosol (POA) that has been processed by atmospheric chemical reactions. Meat cooking was the largest

  18. Fluoride, nitrate and water hardness in groundwater supplied to the rural communities of Ensenada County, Baja California, Mexico

    NASA Astrophysics Data System (ADS)

    Daesslé, L. W.; Ruiz-Montoya, L.; Tobschall, H. J.; Chandrajith, R.; Camacho-Ibar, V. F.; Mendoza-Espinosa, L. G.; Quintanilla-Montoya, A. L.; Lugo-Ibarra, K. C.

    2009-07-01

    The hydrogeochemistry of 26 wells belonging to ten different aquifers in the county of Ensenada, Baja California, is studied. These wells are all used to supply the rural communities in the region, which comprise ~37,000 inhabitants, excluding the city of Ensenada. High total dissolved solids (TDS) concentrations (maximum 7.35 g l-1) indicate that salt is a ubiquitous contaminant in the aquifers due to seawater intrusion. The aquifers that support extensive agriculture activities (Maneadero, San Quintín, San Simón and El Rosario) are characterized by higher N-NO3 concentrations (maximum 20 mg l-1) derived from fertilizers. Fluoride concentrations exceed the 1.5 mg l-1 Mexican official limit in only four wells. The enrichments of F- in the southern aquifers are thought to be associated to water-rock interactions controlled mainly by Na-Ca equilibrium reactions with fluorite, as suggested from high dissolved Na concentrations in these waters. In the northern aquifer of Maneadero, no enrichment of Na is found and a geothermal source for F- is likely. Water is hard to moderately hard, with Ca/Mg ratios >1. Although drinking water directly from the tap is not a common practice in these localities, most sources have concentrations of major ions and TDS that exceed the Mexican official limits.

  19. Decreased Anemia Prevalence Among Women and Children in Rural Baja California, Mexico: A 6-Year Comparative Study.

    PubMed

    Moor, Molly A; Fraga, Miguel A; Garfein, Richard S; Harbertson, Judith; Rodriguez-Lainz, Alfonso; Rashidi, Hooman H; Elder, John P; Brodine, Stephanie K

    2016-08-01

    Anemia is a public health problem in Mexico. This study sought to determine the prevalence and correlates of anemia among women and children residing in a rural farming region of Baja California, Mexico. An existing partnership between universities, non-governmental organizations, and an underserved Mexican community was utilized to perform cross-sectional data collection in 2004-2005 (Wave 1) and in 2011-2012 (Wave 2) among women (15-49 years) and their children (6-59 months). All participants completed a survey and underwent anemia testing. Blood smears were obtained to identify etiology. Nutrition education interventions and clinical health evaluations were offered between waves. Participants included 201 women and 99 children in Wave 1, and 146 women and 77 children in Wave 2. Prevalence of anemia significantly decreased from 42.3 to 23.3 % between Waves 1 and 2 in women (p < 0.001), from 46.5 to 30.2 % in children 24-59 months (p = 0.066), and from 71.4 to 45.8 % in children 6-23 months (p = 0.061). Among women in Wave 1, consumption of iron absorption enhancing foods (green vegetables and fruits high in vitamin C) was protective against anemia (p = 0.043). Women in Wave 2 who ate ≥4 servings of green, leafy vegetables per week were less likely to be anemic (p = 0.034). Microscopic examination of blood smears revealed microcytic, hypochromic red blood cells in 90 % of anemic children and 68.8 % of anemic women, consistent with iron deficiency anemia.

  20. Alternative Futures for Rural Special Education. Proceedings of the Annual ACRES National Rural Special Education Conference (8th, Monterey, California, February 24-27, 1988).

    ERIC Educational Resources Information Center

    Monterey County Office of Education, Salinas, CA.

    The document contains the proceedings of a February 1988, conference on alternative futures for rural special education. After a keynote address titled "Rural Is Where the Heart Is" by Phyllis Kaplan, the approximately 100 presentations focused on such topics as the following: work experience service delivery; needs based approach for…

  1. Intersecting vane machines

    DOEpatents

    Bailey, H. Sterling; Chomyszak, Stephen M.

    2007-01-16

    The invention provides a toroidal intersecting vane machine incorporating intersecting rotors to form primary and secondary chambers whose porting configurations minimize friction and maximize efficiency. Specifically, it is an object of the invention to provide a toroidal intersecting vane machine that greatly reduces the frictional losses through meshing surfaces without the need for external gearing by modifying the function of one or the other of the rotors from that of "fluid moving" to that of "valving" thereby reducing the pressure loads and associated inefficiencies at the interface of the meshing surfaces. The inventions described herein relate to these improvements.

  2. Agriculture and Rurality: Beginning the "Final Separation"?

    ERIC Educational Resources Information Center

    Friedland, William H.

    2002-01-01

    When is a farm a farm? When is rural rural? Has the issue of the rural-urban continuum returned? Decades ago rural sociology worked itself into two blind alleys: rural-urban differences and attempts to define the rural-urban fringe. Although these conceptual problems eventually were exhausted, recent developments in California raise the…

  3. Agriculture and Rurality: Beginning the "Final Separation"?

    ERIC Educational Resources Information Center

    Friedland, William H.

    2002-01-01

    When is a farm a farm? When is rural rural? Has the issue of the rural-urban continuum returned? Decades ago rural sociology worked itself into two blind alleys: rural-urban differences and attempts to define the rural-urban fringe. Although these conceptual problems eventually were exhausted, recent developments in California raise the…

  4. Considering Intersectionality in Multiculturalism

    ERIC Educational Resources Information Center

    Clark, Madeline

    2015-01-01

    The intersection of feminist theory and multiculturalism is discussed. Although Frisby makes several strong points, there are several aspects of his definition of multiculturalism that are simplistic. Expansion of ideas borrowed from feminism has potential to increase the nuance and accuracy of the conceptualization of multiculturalism.

  5. Seal arrangement for intersecting conduits

    DOEpatents

    Goedicke, Friedrich E.

    1980-01-01

    A seal arrangement in which two intersecting conduits are sealed from each other. A sleeve insert is locked in a sealed relationship within one conduit enclosing the openings of the intersecting conduit.

  6. Inflation from Intersecting Branes

    SciTech Connect

    Leblond, Louis

    2007-11-20

    We propose a new scenario for D-term inflation which appears quite straightforwardly in the open string sector of intersecting brane models. We take the inflaton to be a chiral field in a bifundamental representation of the hidden sector and we argue that a sufficiently flat potential can be brane engineered. This type of model generically predicts a near gaussian red spectrum with negligible tensor modes.

  7. Research and Public Service with the Rural Elderly. Proceedings of a Conference (San Francisco, California, April 27, 1979).

    ERIC Educational Resources Information Center

    Lassey, William R., Ed.; And Others

    Papers contained in the volume, apart from the introduction and final chapter, were prepared for a 1979 conference on "Research and Public Service with the Rural Elderly," held in conjunction with the annual meetings of the Western Gerontological Society. Developed with an intent toward building a stronger emphasis on research and public…

  8. Research and Public Service with the Rural Elderly. Proceedings of a Conference (San Francisco, California, April 27, 1979).

    ERIC Educational Resources Information Center

    Lassey, William R., Ed.; And Others

    Papers contained in the volume, apart from the introduction and final chapter, were prepared for a 1979 conference on "Research and Public Service with the Rural Elderly," held in conjunction with the annual meetings of the Western Gerontological Society. Developed with an intent toward building a stronger emphasis on research and public…

  9. Intersections et Convergence

    DTIC Science & Technology

    2000-01-01

    ardus : Par exemple, celui d’intersections, ou racines. Nos ordinateurs se bloquaient. De toute ur- gence, il fallait mettre sur pied une m6thode... ordinateurs atteignaient la limite du quart d’heure qui, par pr~caution, en limitait la dur~e! Et de plus, il fallait agir vite, tr~s vite. .. .pour...l’cipoque ohi le calcul des fonctions n’citait pas encore tr~s au point, au niveau des ordinateurs , les formules simplificies de Arc sin et Arc cos nous

  10. Rural Math Talent, Now and Then

    ERIC Educational Resources Information Center

    Howley, Craig B.; Showalter, Daniel; Klein, Robert; Sturgill, Derek J.; Smith, Michael A.

    2013-01-01

    This article interprets inequality evident at the intersection of three realms: (a) mathematical talent (as a cultural phenomenon); (b) rural place and rural life; and (c) future economic, political, and ecological developments. The discussion explains this outlook on inequality, contextualizes interest in rural mathematics education, presents the…

  11. Exploring Class-Based Intersectionality

    ERIC Educational Resources Information Center

    Block, David; Corona, Victor

    2014-01-01

    This paper argues that language, culture and identity researchers need to take the intersectionality of identity inscriptions seriously and, further to this, that an intersectional approach which emanates from an interest in social class provides a productive way to examine the lives and experience of individuals living in multicultural societies.…

  12. Exploring Class-Based Intersectionality

    ERIC Educational Resources Information Center

    Block, David; Corona, Victor

    2014-01-01

    This paper argues that language, culture and identity researchers need to take the intersectionality of identity inscriptions seriously and, further to this, that an intersectional approach which emanates from an interest in social class provides a productive way to examine the lives and experience of individuals living in multicultural societies.…

  13. Niños Sanos, Familia Sana: Mexican immigrant study protocol for a multifaceted CBPR intervention to combat childhood obesity in two rural California towns.

    PubMed

    de la Torre, Adela; Sadeghi, Banafsheh; Green, Richard D; Kaiser, Lucia L; Flores, Yvette G; Jackson, Carlos F; Shaikh, Ulfat; Whent, Linda; Schaefer, Sara E

    2013-10-31

    Overweight and obese children are likely to develop serious health problems. Among children in the U.S., Latino children are affected disproportionally by the obesity epidemic. Niños Sanos, Familia Sana (Healthy Children, Healthy Family) is a five-year, multi-faceted intervention study to decrease the rate of BMI growth in Mexican origin children in California's Central Valley. This paper describes the methodology applied to develop and launch the study. Investigators use a community-based participatory research approach to develop a quasi-experimental intervention consisting of four main components including nutrition, physical activity, economic and art-community engagement. Each component's definition, method of delivery, data collection and evaluation are described. Strategies to maintain engagement of the comparison community are reported as well. We present a study methodology for an obesity prevention intervention in communities with unique environmental conditions due to rural and isolated location, limited infrastructure capacity and limited resources. This combined with numerous cultural considerations and an unstable population with limited exposure to researcher expectations necessitates reassessment and adaptation of recruitment strategies, intervention delivery and data collection methods. Trial registration # NCT01900613. NCT01900613.

  14. Intersectional perspective in elderly care

    PubMed Central

    Cuesta, Marta; Rämgård, Margareta

    2016-01-01

    Earlier research has shown that power relationships at workplaces are constructed by power structures. Processes related to power always influence the working conditions for (in this study in elderly care) the working groups involved. Power structures are central for intersectional analysis, in the sense that the intersectional perspective highlights aspects such as gender and ethnicity (subjective dimensions) and interrelates them to processes of power (objective dimension). This qualitative study aims to explore in what way an intersectional perspective could contribute to increased knowledge of power structures in a nursing home where the employees were mostly immigrants from different countries. By using reflexive dialogues related to an intersectional perspective, new knowledge which contributes to the employees’ well-being could develop. Narrative analysis was the method used to conduct this study. Through a multi-stage focus group on six occasions over 6 months, the staff were engaged in intersectional and critical reflections about power relationship with the researchers, by identifying patterns in their professional activities that could be connected to their subjectivities (gender, ethnicity, etc.). The result of this study presents three themes that express the staff's experiences and connect these experiences to structural discrimination. 1) Intersectionality, knowledge, and experiences of professionalism; 2) Intersectionality, knowledge, and experiences of collaboration; and 3) Intersectionality, knowledge, and experiences of discrimination. The result demonstrates that an intersectional perspective reinforces the involved abilities, during the conversations, into being clear about, for example, their experiences of discrimination, and consequently developing a better understanding of their professionalism and collaboration. Such deeper reflections became possible through a process of consciousness raising, strengthening the employee's self

  15. Gravity Anomaly Intersects Moon Basin

    NASA Image and Video Library

    2012-12-05

    A linear gravity anomaly intersecting the Crisium basin on the nearside of the moon has been revealed by NASA GRAIL mission. The GRAIL gravity gradient data are shown at left, with the location of the anomaly indicated.

  16. Calculating intersections of surfaces in screen space

    NASA Technical Reports Server (NTRS)

    Banks, David C.

    1993-01-01

    When surfaces intersect, one may desire to highlight the intersection curve in order to make the shape of the penetrating surfaces more visible. Highlighting the intersection is especially helpful when the surfaces become transparent, because transparency makes the intersections less evident. A technique for locating intersections in screen space using only the information locally available to a pixel is discussed. The technique is designed to exploit parallelism at the pixel level and was implemented on the Pixel-Planes 5 graphics supercomputer.

  17. Tracer mixing at fracture intersections

    SciTech Connect

    Li, Guomin

    2001-02-10

    Discrete network models are one of the approaches used to simulate a dissolved contaminant, which is usually represented as a tracer in modeling studies, in fractured rocks. The discrete models include large numbers of individual fractures within the network structure, with flow and transport described on the scale of an individual fracture. Numerical simulations for the mixing characteristics and transfer probabilities of a tracer through a fracture intersection are performed for this study. A random-walk, particle-tracking model is applied to simulate tracer transport in fracture intersections by moving particles through space using individual advective and diffusive steps. The simulation results are compared with existing numerical and analytical solutions for a continuous intersection over a wide range of Peclet numbers. This study attempts to characterize the relative concentration at the outflow branches for a continuous intersection with different flow fields. The simulation results demonstrate that the mixing characteristics at the fracture intersections are a function not only of the Peclet number but also of the flow field pattern.

  18. Facilitator's Role in Collaborative Rural Development: The North Carolina Rural Employment Laboratory. Final Report.

    ERIC Educational Resources Information Center

    MDC, Inc., Chapel Hill, NC.

    The Facilitator's Role in Collaborative Rural Development Project began in 1979 as a study of 12 rural development efforts which comprised the North Carolina Rural Employment Laboratory and was expanded in 1980-81 to include rural development in 6 other states (California, Kentucky, Maine, Massachusetts, Oklahoma, and Vermont). A wide range of…

  19. Line intersect sampling: Ell-shaped transects and multiple intersections

    Treesearch

    Timothy G. Gregoire; Harry T. Valentine

    2003-01-01

    The probability of selecting a population element under line intersect sampling depends on the width of the particle in the direction perpendicular to the transect, as is well known. The consequence of this when using ell-shaped transects rather than straight-line transects are explicated, and modifications that preserve design-unbiasedness of Kaiser's (1983)...

  20. School Community Renewal: A Cooperative Revitalization Strategy for Rural Schools, Students, and Communities. Full-Scale Version of Rural Renewal Strategies for Network Development.

    ERIC Educational Resources Information Center

    Ley, Joyce

    The work of the Northwest Regional Educational Laboratory (NWREL) in rural education focuses on the intersection between school renewal and rural community development. NWREL's Rural School-Community Renewal Research and Development project aims to develop the capacity of small rural schools enrolling many economically disadvantaged students to…

  1. Fresno in Transition: Urban Impacts of Rural Migration. Working Paper No. 26.

    ERIC Educational Resources Information Center

    Mason, Bert; Alvarado, Andrew; Palacio, Robert

    This paper examines the social and economic impacts of Mexican immigration on Fresno (California). Since the early 1980s, immigration to California has been dominated by illegal immigrants from rural Mexico seeking agricultural jobs in rural California. This rural migration impacts urban centers in agricultural regions; these impacts lag the…

  2. "If Only Someone Had Told Me ...": Lessons from Rural Providers

    ERIC Educational Resources Information Center

    Chipp, Cody; Dewane, Sarah; Brems, Christiane; Johnson, Mark E.; Warner, Teddy D.; Roberts, Laura W.

    2011-01-01

    Purpose: Health care providers face challenges in rural service delivery due to the unique circumstances of rural living. The intersection of rural living and health care challenges can create barriers to care that providers may not be trained to navigate, resulting in burnout and high turnover. Through the exploration of experienced rural…

  3. California encephalitis in Alabama.

    PubMed

    Mancao, M Y; Law, I M; Roberson-Trammell, K

    1996-10-01

    Arthropod-borne virus (arbovirus) infections in humans are primarily central nervous system infections, but other clinical manifestations include febrile illness and fever with hemorrhagic diathesis. In the genus Bunyavirus there are several viruses that cause disease in humans, especially in North America; these include LaCrosse, Jamestown Canyon, trivittatus, and snowshoe hare viruses. The disease seen mainly in children is California encephalitis (usually of the LaCrosse subtype); this infection is widespread in the United States but is most prevalent in the upper Midwest, especially in rural areas. We present the first reported case of California encephalitis in rural Alabama; the patient was a 7-year-old boy who came to us with fever and seizures in the summer of 1994. This report stresses the importance of including California encephalitis in the differential diagnosis when children have fever and altered sensorium after exposure to mosquitoes during summer months.

  4. Intersection-Controller Software Module

    NASA Technical Reports Server (NTRS)

    Bachelder, Aaron; Foster, Conrad

    2005-01-01

    An important part of the emergency-vehicle traffic-light-preemption system summarized in the preceding article is a software module executed by a microcontroller in each intersection controller. This module monitors the broadcasts from all nearby participating emergency vehicles and intersections. It gathers the broadcast data pertaining to the positions and velocities of the vehicles and the timing of traffic and pedestrian lights and processes the data into predictions of the future positions of the vehicles. Analyzing the predictions by a combination of proximity tests, map-matching techniques, and statistical calculations designed to minimize the adverse effects of uncertainties in vehicle positions and headings, the module decides whether to preempt and issues the appropriate commands to the traffic lights, pedestrian lights, and electronic warning signs at the intersection. The module also broadcasts its state to all nearby vehicles and intersections. The module is designed to mitigate the effects of missing data and of unpredictable delays in the system. It has been intensively tested and refined so that it fails to warn in very few cases and issues very few false warnings.

  5. Using Intersectionality in Student Affairs Research

    ERIC Educational Resources Information Center

    Strayhorn, Terrell L.

    2017-01-01

    This chapter presents intersectionality as a useful heuristic for conducting research in higher education and student affairs contexts. Much more than just another theory, intersectionality can powerfully shape student affairs research in both obvious and tacit ways.

  6. Rural Initiative: Evaluation of the Rural Schools Assistance Program.

    ERIC Educational Resources Information Center

    Chow, Stanley H. L.; And Others

    Rural schools in the western region states of California, Arizona, Utah, and Nevada are facing enormous challenges due to major shifts in the demographics of the region. Rapid growth in student enrollment, particularly of minority and limited English proficient students, the increasing rate of rural poverty and homelessness, and a projected…

  7. Empirical Analysis and Modeling of Stop-Line Crossing Time and Speed at Signalized Intersections.

    PubMed

    Tang, Keshuang; Wang, Fen; Yao, Jiarong; Sun, Jian

    2016-12-23

    In China, a flashing green (FG) indication of 3 s followed by a yellow (Y) indication of 3 s is commonly applied to end the green phase at signalized intersections. Stop-line crossing behavior of drivers during such a phase transition period significantly influences safety performance of signalized intersections. The objective of this study is thus to empirically analyze and model drivers' stop-line crossing time and speed in response to the specific phase transition period of FG and Y. High-resolution trajectories for 1465 vehicles were collected at three rural high-speed intersections with a speed limit of 80 km/h and two urban intersections with a speed limit of 50 km/h in Shanghai. With the vehicle trajectory data, statistical analyses were performed to look into the general characteristics of stop-line crossing time and speed at the two types of intersections. A multinomial logit model and a multiple linear regression model were then developed to predict the stop-line crossing patterns and speeds respectively. It was found that the percentage of stop-line crossings during the Y interval is remarkably higher and the stop-line crossing time is approximately 0.7 s longer at the urban intersections, as compared with the rural intersections. In addition, approaching speed and distance to the stop-line at the onset of FG as well as area type significantly affect the percentages of stop-line crossings during the FG and Y intervals. Vehicle type and stop-line crossing pattern were found to significantly influence the stop-line crossing speed, in addition to the above factors. The red-light-running seems to occur more frequently at the large intersections with a long cycle length.

  8. Empirical Analysis and Modeling of Stop-Line Crossing Time and Speed at Signalized Intersections

    PubMed Central

    Tang, Keshuang; Wang, Fen; Yao, Jiarong; Sun, Jian

    2016-01-01

    In China, a flashing green (FG) indication of 3 s followed by a yellow (Y) indication of 3 s is commonly applied to end the green phase at signalized intersections. Stop-line crossing behavior of drivers during such a phase transition period significantly influences safety performance of signalized intersections. The objective of this study is thus to empirically analyze and model drivers’ stop-line crossing time and speed in response to the specific phase transition period of FG and Y. High-resolution trajectories for 1465 vehicles were collected at three rural high-speed intersections with a speed limit of 80 km/h and two urban intersections with a speed limit of 50 km/h in Shanghai. With the vehicle trajectory data, statistical analyses were performed to look into the general characteristics of stop-line crossing time and speed at the two types of intersections. A multinomial logit model and a multiple linear regression model were then developed to predict the stop-line crossing patterns and speeds respectively. It was found that the percentage of stop-line crossings during the Y interval is remarkably higher and the stop-line crossing time is approximately 0.7 s longer at the urban intersections, as compared with the rural intersections. In addition, approaching speed and distance to the stop-line at the onset of FG as well as area type significantly affect the percentages of stop-line crossings during the FG and Y intervals. Vehicle type and stop-line crossing pattern were found to significantly influence the stop-line crossing speed, in addition to the above factors. The red-light-running seems to occur more frequently at the large intersections with a long cycle length. PMID:28025558

  9. Intersecting Adjectives in Syllogistic Logic

    NASA Astrophysics Data System (ADS)

    Moss, Lawrence S.

    The goal of natural logic is to present and study logical systems for reasoning with sentences of (or which are reasonably close to) ordinary language. This paper explores simple systems of natural logic which make use of intersecting adjectives; these are adjectives whose interpretation does not vary with the noun they modify. Our project in this paper is to take one of the simplest syllogistic fragments, that of all and some, and to add intersecting adjectives. There are two ways to do this, depending on whether one allows iteration or prefers a "flat" structure of at most one adjective. We present rules of inference for both types of syntax, and these differ. The main results are four completeness theorems: for each of the two types of syntax we have completeness for the all fragment and for the full language of this paper.

  10. Association of long-term PM2.5 exposure with mortality using different air pollution exposure models: impacts in rural and urban California.

    PubMed

    Garcia, Cynthia A; Yap, Poh-Sin; Park, Hye-Youn; Weller, Barbara L

    2016-01-01

    Most PM2.5-associated mortality studies are not conducted in rural areas where mortality rates may differ when population characteristics, health care access, and PM2.5 composition differ. PM2.5-associated mortality was investigated in the elderly residing in rural-urban zip codes. Exposure (2000-2006) was estimated using different models and Poisson regression was performed using 2006 mortality data. PM2.5 models estimated comparable exposures, although subtle differences were observed in rate ratios (RR) within areas by health outcomes. Cardiovascular disease (CVD), ischemic heart disease (IHD), and cardiopulmonary disease (CPD), mortality was significantly associated with rural, urban, and statewide chronic PM2.5 exposures. We observed larger effect sizes in RRs for CVD, CPD, and all-cause (AC) with similar sizes for IHD mortality in rural areas compared to urban areas. PM2.5 was significantly associated with AC mortality in rural areas and statewide; however, in urban areas, only the most restrictive exposure model showed an association. Given the results seen, future mortality studies should consider adjusting for differences with rural-urban variables.

  11. Coping with Rural Poverty: Economic Survival and Moral Capital in Rural America

    ERIC Educational Resources Information Center

    Sherman, Jennifer

    2006-01-01

    The experience of rural poverty is in many ways unique from that of urban poverty. In the rural setting, social cohesion creates pressure on the poor to behave in ways that are consistent with local values. This paper, based on qualitative research done in an isolated, rural Northern California community, argues that in this setting the survival…

  12. Intersection of parametric surfaces using lookup tables

    NASA Technical Reports Server (NTRS)

    Hanna, S. L.; Abel, J. F.; Greenberg, D. P.

    1984-01-01

    When primitive structures in the form of parametric surfaces are combined and modified interactively to form complex intersecting surfaces, it becomes important to find the curves of intersection. One must distinguish between finding the shape of the intersection curve, which may only be useful for display purposes, and finding an accurate mathematical representation of the curve, which is important for any meaningful geometric modeling, analysis, design, or manufacturing involving the intersection. The intersection curve between two or more parametric surfaces is important in a variety of computer-aided design and manufacture areas. A few examples are shape design, analysis of groins, design of fillets, and computation of numerically controlled tooling paths. The algorithm presented here provides a mathematical representation of the intersection curve to a specified accuracy. It also provides the database that can simplify operations such as hidden-surface removal, surface rendering, profile identification, and interference or clearance computations.

  13. Intersecting Channels near Olympica Fossae

    NASA Image and Video Library

    2016-09-21

    This complicated area contains various types of channels, pits and fractures. We can determine the relative ages of the pits and channels based on which features cross-cut others. Older channels appear smooth-edged and shallow. Younger channels and pits are deeper and more sharp-edged, as well as less sinuous than the shallower channels. What caused this array of various channels and intersecting pits? This region is covered in vast lava flows. The collapse pits here may be collapsed lava tubes or where overlying rock "drained" into voids created by extensional faulting. The older smoother channel that seems to source from this region may have carried an outflow of groundwater. It continues on for over 100 kilometers (62 miles). The orientation and shapes of these features make an interesting geological puzzle. http://photojournal.jpl.nasa.gov/catalog/PIA21066

  14. UpSet: Visualization of Intersecting Sets

    PubMed Central

    Lex, Alexander; Gehlenborg, Nils; Strobelt, Hendrik; Vuillemot, Romain; Pfister, Hanspeter

    2016-01-01

    Understanding relationships between sets is an important analysis task that has received widespread attention in the visualization community. The major challenge in this context is the combinatorial explosion of the number of set intersections if the number of sets exceeds a trivial threshold. In this paper we introduce UpSet, a novel visualization technique for the quantitative analysis of sets, their intersections, and aggregates of intersections. UpSet is focused on creating task-driven aggregates, communicating the size and properties of aggregates and intersections, and a duality between the visualization of the elements in a dataset and their set membership. UpSet visualizes set intersections in a matrix layout and introduces aggregates based on groupings and queries. The matrix layout enables the effective representation of associated data, such as the number of elements in the aggregates and intersections, as well as additional summary statistics derived from subset or element attributes. Sorting according to various measures enables a task-driven analysis of relevant intersections and aggregates. The elements represented in the sets and their associated attributes are visualized in a separate view. Queries based on containment in specific intersections, aggregates or driven by attribute filters are propagated between both views. We also introduce several advanced visual encodings and interaction methods to overcome the problems of varying scales and to address scalability. UpSet is web-based and open source. We demonstrate its general utility in multiple use cases from various domains. PMID:26356912

  15. Fault and Fracture Intersections and Earthquake Nucleation

    NASA Astrophysics Data System (ADS)

    Brumbaugh, D. S.

    2008-05-01

    Laboratory experments and computer modeling studies have shown in some detail that when stresses are applied to prefractured materials the result is a complex change in the stress field in the vicinity of fracture intersections (Shengri, 2003; Gangopadhyay and Talwani, 2005). This can result in slip on the fractures and energy release simulating earthquake triggering. A search of the literature reveals a number of cases where earthquakes have nucleated on or near fracture intersections of two intersecting strike-slip faults or a strike-slip fault and a fracture linear. The acute angle between the two fractures/faults ranges from 18 degrees to a maximum of 90 degrees. The cases cited had epicentral locations near to or possibly on the intersection site. Magnitudes of events ranged from microearthquake size up to M7.9. A few cases exist where the initial event was not located at the intersection but triggered a second event at the intersection site (Elmore Ranch;Tango,Japan), or where an earthquake at the intersection triggered a second event elsewhere (Denali,Alaska). The recognition of the potential of stresses concentrated at intersection points of faults/fractures to nucleate potentially damaging earthquakes is important in seismic hazard studies.

  16. Understanding Care for the Poor in Rural Russia

    ERIC Educational Resources Information Center

    Shubin, Sergei

    2012-01-01

    The issues surrounding care and care-provision have been key themes in social scientific research, yet the intersections between care and poverty, particularly in rural contexts, have not been sufficiently explored. This paper addresses this gap by studying care for the poor in rural Russia. It argues that isolated, disengaged and decontextualised…

  17. Receipt of Cancer Screening Services: Surprising Results for Some Rural Minorities

    ERIC Educational Resources Information Center

    Bennett, Kevin J.; Probst, Janice C.; Bellinger, Jessica D.

    2012-01-01

    Background: Evidence suggests that rural minority populations experience disparities in cancer screening, treatment, and outcomes. It is unknown how race/ethnicity and rurality intersect in these disparities. The purpose of this analysis is to examine the cancer screening rates among minorities in rural areas. Methods: We utilized the 2008…

  18. Receipt of Cancer Screening Services: Surprising Results for Some Rural Minorities

    ERIC Educational Resources Information Center

    Bennett, Kevin J.; Probst, Janice C.; Bellinger, Jessica D.

    2012-01-01

    Background: Evidence suggests that rural minority populations experience disparities in cancer screening, treatment, and outcomes. It is unknown how race/ethnicity and rurality intersect in these disparities. The purpose of this analysis is to examine the cancer screening rates among minorities in rural areas. Methods: We utilized the 2008…

  19. Aging and the impact of distraction on an intersection crossing assist system.

    PubMed

    Becic, Ensar; Manser, Michael; Drucker, Christopher; Donath, Max

    2013-01-01

    It is known that distraction reduces the benefits of collision avoidance systems by slowing a driver's response. The current study examined the impact of a drivers' use of an in-vehicle intersection crossing assist system under demanding cognitive load conditions. Forty eight drivers crossed a busy rural intersection in a simulated environment while completing four blocks of trials, in half of which they used the assist system and engaged in a working memory task. Participants were dichotomized into older and younger age groups. The results showed a tendency towards conservative driving in a single-task condition when only using the assist system. A similar shift in driving style was observed when drivers crossed the intersection while engaged in a secondary task. Using the in-vehicle intersection crossing assist system under cognitively demanding conditions did not result in adverse consequences-the impact of distraction was different compared to a typical collision avoidance system. Older drivers showed some evidence of more conservative intersection crossing, however they also appeared to rely more on the in-vehicle assist system when presented with an extraneous additional task.

  20. Intersection of Paschen's curves for argon

    NASA Astrophysics Data System (ADS)

    Fu, Yangyang; Yang, Shuo; Zou, Xiaobing; Luo, Haiyun; Wang, Xinxin

    2016-09-01

    The intersection of Paschen's curves for argon with a same gap length but a different electrode radius was observed. While the breakdown voltage increases with the increase of the nonuniformity in the electric field of the gap at lower pressures, it decreases at higher pressures. The reason for the intersection of Paschen's curves was given based on the mean free path length of the electrons inversely proportional to the gas pressure and the electron impact ionization coefficient exponentially increasing with the electric field. The intersection of the Paschen's curves was qualitatively reproduced by a numerical simulation.

  1. Elastic waves along a fracture intersection

    NASA Astrophysics Data System (ADS)

    Abell, Bradley Charles

    Fractures and fracture networks play a significant role in the subsurface hydraulic connectivity within the Earth. While a significant amount of research has been performed on the seismic response of single fractures and sets of fractures, few studies have examined the effect of fracture intersections on elastic wave propagation. Intersections play a key role in the connectivity of a fracture network that ultimately affects the hydraulic integrity of a rock mass. In this dissertation two new types of coupled waves are examined that propagate along intersections. 1) A coupled wedge wave that propagates along a surface fracture with particle motion highly localized to the intersection of a fracture with a free surface, and 2) fracture intersection waves that propagate along the intersection between two orthogonal fractures. Theoretical formulations were derived to determine the particle motion and velocity of intersection waves. Vibrational modes calculated from the theoretical formulation match those predicted by group theory based on the symmetry of the problem. For the coupled wedge wave, two vibrational modes exist that range in velocity between the wedge wave and Rayleigh wave velocity and exhibit either wagging or breathing motion depending on the Poisson's ratio. For the intersection waves, the observed modes depend on the properties of the fractures forming the intersection. If both fractures have equal stiffness four modes exist, two with wagging and two with breathing motion. If the fractures have unequal stiffness, four modes also exist, but the motion depends on the Poisson's ratio. The velocity of intersection waves depends on the coupling or stiffness of the intersection and frequency of the signal. In general, the different modes travel with speeds between the wedge wave and bulk shear wave velocity. Laboratory experiments were performed on isotropic and anisotropic samples to verify the existence of these waves. For both waves, the observed signals

  2. Local bulk physics from intersecting modular Hamiltonians

    NASA Astrophysics Data System (ADS)

    Kabat, Daniel; Lifschytz, Gilad

    2017-06-01

    We show that bulk quantities localized on a minimal surface homologous to a boundary region correspond in the CFT to operators that commute with the modular Hamiltonian associated with the boundary region. If two such minimal surfaces intersect at a point in the bulk then CFT operators which commute with both extended modular Hamiltonians must be localized at the intersection point. We use this to construct local bulk operators purely from CFT considerations, without knowing the bulk metric, using intersecting modular Hamiltonians. For conformal field theories at zero and finite temperature the appropriate modular Hamiltonians are known explicitly and we recover known expressions for local bulk observables.

  3. California Dust

    Atmospheric Science Data Center

    2014-05-15

    ... dramatically when forced through narrow canyons and mountain passes. Due to Southern California's uneven terrain, the strength of ... from a small fire located near the southern flank of Palomar Mountain in Southern California. This image was acquired during Terra orbit ...

  4. California Fires

    Atmospheric Science Data Center

    2014-05-15

    article title:  Smoke Blankets Northern California     View Larger Image ... strikes sparked more than a thousand fires in northern California. This image was captured by the Multi-angle Imaging ... June 27, 2008 - Smoke from fires in northern California. project:  MISR category:  gallery ...

  5. Rural Programs: Vocational Education Resource Package.

    ERIC Educational Resources Information Center

    Evaluation and Training Inst., Los Angeles, CA.

    Designed to assist community college administrators and faculty in enhancing vocational education programs and services, this resource package on rural college programs contains information about successful program strategies and ideas currently in use in vocational education programs at rural schools within the California Community Colleges…

  6. Evaluation of bike boxes at signalized intersections.

    PubMed

    Dill, Jennifer; Monsere, Christopher M; McNeil, Nathan

    2012-01-01

    This paper presents a before-after study of bike boxes at 10 signalized intersections in Portland, Oregon. The bike boxes, also known as advanced stop lines or advanced stop boxes, were installed to increase visibility of cyclists and reduce conflicts between motor vehicles and cyclists, particularly in potential "right-hook" situations. Before and after video were analyzed for seven intersections with green bike boxes, three intersections with uncolored bike boxes, and two control intersections. User perceptions were measured through surveys of cyclists passing through five of the bike box intersections and of motorists working downtown, where the boxes were concentrated. Both the observations and survey of motorists found a high rate of compliance and understanding of the markings. Overall, 73% of the stopping motor vehicles did not encroach at all into the bike box. Both motor vehicle and bicycle encroachment in the pedestrian crosswalk fell significantly at the bike box locations compared to the control intersections. The bike boxes had mixed effects on the motorists' encroachment in the bicycle lane. The number of observed conflicts at the bike box locations decreased, while the total number of cyclists and motor vehicles turning right increased. Negative-binomial models based upon the data predict fewer conflicts with the boxes, particularly as right-turning motor vehicle volumes increase. Observations of yielding behavior at two bike box and one control intersection found an improvement in motorists yielding to cyclists at the bike box locations. Differences in the traffic volumes and location contexts make firm conclusions about the effects of green coloring of the boxes difficult. Higher shares of surveyed motorists felt that the bike boxes made driving safer rather than more dangerous, even when the sample was narrowed to respondents who were not also cyclists. Over three-quarters of the surveyed cyclists thought that the boxes made the intersection safer

  7. Dynamical intersecting brane solutions of supergravity

    SciTech Connect

    Uzawa, Kunihito

    2010-02-10

    We present dynamical intersecting brane solutions in higher-dimensional gravitational theory coupled to dilaton and several forms. Assuming the forms of metric, form fields, and dilaton field, we can give the dynamical intersecting brane solutions. The dynamical solutions can be always obtained by replacing the constant modulus h{sub 0} in the warp factor for supersymmetric solutions by a linear function h{sub 0}(t) of the time coordinates t.

  8. Current Partition at Topological Channel Intersections

    NASA Astrophysics Data System (ADS)

    Qiao, Zhenhua; Jung, Jeil; Lin, Chungwei; Ren, Yafei; MacDonald, Allan H.; Niu, Qian

    2014-05-01

    An intersection between one-dimensional chiral channels functions as a topological current splitter. We find that the splitting of a chiral zero-line mode obeys very simple yet highly counterintuitive partition laws that relate current paths to the geometry of the intersection. Our results have far reaching implications for electron beam splitter and interferometer device proposals based on chiral transport, and for understanding transport in systems in which multiple topological domains lead to a statistical network of chiral channels.

  9. Multiphase flow in geometrically simple fracture intersections

    USGS Publications Warehouse

    Basagaoglu, H.; Meakin, P.; Green, C.T.; Mathew, M.; ,

    2006-01-01

    A two-dimensional lattice Boltzmann (LB) model with fluid-fluid and solid-fluid interaction potentials was used to study gravity-driven flow in geometrically simple fracture intersections. Simulated scenarios included fluid dripping from a fracture aperture, two-phase flow through intersecting fractures and thin-film flow on smooth and undulating solid surfaces. Qualitative comparisons with recently published experimental findings indicate that for these scenarios the LB model captured the underlying physics reasonably well.

  10. National Rural Health Association

    MedlinePlus

    ... Policy Responses Sequestration Impact Programs State Rural Health Associations Rural Medical Education Rural Health Fellows Rural Health ... Membership Categories Membership Application PROGRAMS State Rural Health Associations Rural Medical Education Rural Health Fellows Rural Health ...

  11. Self-Localization at Street Intersections.

    PubMed

    Fusco, Giovanni; Shen, Huiying; Coughlan, James M

    2014-05-01

    There is growing interest among smartphone users in the ability to determine their precise location in their environment for a variety of applications related to wayfinding, travel and shopping. While GPS provides valuable self-localization estimates, its accuracy is limited to approximately 10 meters in most urban locations. This paper focuses on the self-localization needs of blind or visually impaired travelers, who are faced with the challenge of negotiating street intersections. These travelers need more precise self-localization to help them align themselves properly to crosswalks, signal lights and other features such as walk light pushbuttons. We demonstrate a novel computer vision-based localization approach that is tailored to the street intersection domain. Unlike most work on computer vision-based localization techniques, which typically assume the presence of detailed, high-quality 3D models of urban environments, our technique harnesses the availability of simple, ubiquitous satellite imagery (e.g., Google Maps) to create simple maps of each intersection. Not only does this technique scale naturally to the great majority of street intersections in urban areas, but it has the added advantage of incorporating the specific metric information that blind or visually impaired travelers need, namely, the locations of intersection features such as crosswalks. Key to our approach is the integration of IMU (inertial measurement unit) information with geometric information obtained from image panorama stitchings. Finally, we evaluate the localization performance of our algorithm on a dataset of intersection panoramas, demonstrating the feasibility of our approach.

  12. Pedestrian crash estimation models for signalized intersections.

    PubMed

    Pulugurtha, Srinivas S; Sambhara, Venkata R

    2011-01-01

    The focus of this paper is twofold: (1) to examine the non-linear relationship between pedestrian crashes and predictor variables such as demographic characteristics (population and household units), socio-economic characteristics (mean income and total employment), land use characteristics, road network characteristics (the number of lanes, speed limit, presence of median, and pedestrian and vehicular volume) and accessibility to public transit systems, and (2) to develop generalized linear pedestrian crash estimation models (based on negative binomial distribution to accommodate for over-dispersion of data) by the level of pedestrian activity and spatial proximity to extract site specific data at signalized intersections. Data for 176 randomly selected signalized intersections in the City of Charlotte, North Carolina were used to examine the non-linear relationships and develop pedestrian crash estimation models. The average number of pedestrian crashes per year within 200 feet of each intersection was considered as the dependent variable whereas the demographic characteristics, socio-economic characteristics, land use characteristics, road network characteristics and the number of transit stops were considered as the predictor variables. The Pearson correlation coefficient was used to eliminate predictor variables that were correlated to each other. Models were then developed separately for all signalized intersections, high pedestrian activity signalized intersections and low pedestrian activity signalized intersections. The use of 0.25mile, 0.5mile and 1mile buffer widths to extract data and develop models was also evaluated.

  13. Self-Localization at Street Intersections

    PubMed Central

    Fusco, Giovanni; Shen, Huiying; Coughlan, James M.

    2014-01-01

    There is growing interest among smartphone users in the ability to determine their precise location in their environment for a variety of applications related to wayfinding, travel and shopping. While GPS provides valuable self-localization estimates, its accuracy is limited to approximately 10 meters in most urban locations. This paper focuses on the self-localization needs of blind or visually impaired travelers, who are faced with the challenge of negotiating street intersections. These travelers need more precise self-localization to help them align themselves properly to crosswalks, signal lights and other features such as walk light pushbuttons. We demonstrate a novel computer vision-based localization approach that is tailored to the street intersection domain. Unlike most work on computer vision-based localization techniques, which typically assume the presence of detailed, high-quality 3D models of urban environments, our technique harnesses the availability of simple, ubiquitous satellite imagery (e.g., Google Maps) to create simple maps of each intersection. Not only does this technique scale naturally to the great majority of street intersections in urban areas, but it has the added advantage of incorporating the specific metric information that blind or visually impaired travelers need, namely, the locations of intersection features such as crosswalks. Key to our approach is the integration of IMU (inertial measurement unit) information with geometric information obtained from image panorama stitchings. Finally, we evaluate the localization performance of our algorithm on a dataset of intersection panoramas, demonstrating the feasibility of our approach. PMID:25210926

  14. A Stepped Wedge, Cluster-Randomized Trial of a Household UV-Disinfection and Safe Storage Drinking Water Intervention in Rural Baja California Sur, Mexico

    PubMed Central

    Gruber, Joshua S.; Reygadas, Fermin; Arnold, Benjamin F.; Ray, Isha; Nelson, Kara; Colford, John M.

    2013-01-01

    In collaboration with a local non-profit organization, this study evaluated the expansion of a program that promoted and installed Mesita Azul, an ultraviolet-disinfection system designed to treat household drinking water in rural Mexico. We conducted a 15-month, cluster-randomized stepped wedge trial by randomizing the order in which 24 communities (444 households) received the intervention. We measured primary outcomes (water contamination and diarrhea) during seven household visits. The intervention increased the percentage of households with access to treated and safely stored drinking water (23–62%), and reduced the percentage of households with Escherichia coli contaminated drinking water (risk difference (RD): −19% [95% CI: −27%, −14%]). No significant reduction in diarrhea was observed (RD: −0.1% [95% CI: −1.1%, 0.9%]). We conclude that household water quality improvements measured in this study justify future promotion of the Mesita Azul, and that future studies to measure its health impact would be valuable if conducted in populations with higher diarrhea prevalence. PMID:23732255

  15. A stepped wedge, cluster-randomized trial of a household UV-disinfection and safe storage drinking water intervention in rural Baja California Sur, Mexico.

    PubMed

    Gruber, Joshua S; Reygadas, Fermin; Arnold, Benjamin F; Ray, Isha; Nelson, Kara; Colford, John M

    2013-08-01

    In collaboration with a local non-profit organization, this study evaluated the expansion of a program that promoted and installed Mesita Azul, an ultraviolet-disinfection system designed to treat household drinking water in rural Mexico. We conducted a 15-month, cluster-randomized stepped wedge trial by randomizing the order in which 24 communities (444 households) received the intervention. We measured primary outcomes (water contamination and diarrhea) during seven household visits. The intervention increased the percentage of households with access to treated and safely stored drinking water (23-62%), and reduced the percentage of households with Escherichia coli contaminated drinking water (risk difference (RD): -19% [95% CI: -27%, -14%]). No significant reduction in diarrhea was observed (RD: -0.1% [95% CI: -1.1%, 0.9%]). We conclude that household water quality improvements measured in this study justify future promotion of the Mesita Azul, and that future studies to measure its health impact would be valuable if conducted in populations with higher diarrhea prevalence.

  16. Educational Outcomes across the Generational and Gender Divide: The Rural Family Habitus of Pakistani Families Living in Poverty

    ERIC Educational Resources Information Center

    Arnot, Madeleine; Naveed, Arif

    2014-01-01

    Education for all as a global agenda has particular repercussions for those living in rural poverty. By adopting a Bourdieusian framework to analyse interview data collected from fathers, mothers, sons and daughters in 10 rural Punjabi households, we expose the intersections of education, gender, poverty and rurality. The concept of a "rural…

  17. Educational Outcomes across the Generational and Gender Divide: The Rural Family Habitus of Pakistani Families Living in Poverty

    ERIC Educational Resources Information Center

    Arnot, Madeleine; Naveed, Arif

    2014-01-01

    Education for all as a global agenda has particular repercussions for those living in rural poverty. By adopting a Bourdieusian framework to analyse interview data collected from fathers, mothers, sons and daughters in 10 rural Punjabi households, we expose the intersections of education, gender, poverty and rurality. The concept of a "rural…

  18. Non-Markov effects in intersecting sprays

    NASA Astrophysics Data System (ADS)

    Panchagnula, Mahesh; Kumaran, Dhivyaraja; Deevi, Sri Vallabha; Tangirala, Arun

    2016-11-01

    Sprays have been assumed to follow a Markov process. In this study, we revisit that assumption relying on experimental data from intersecting and non-intersecting sprays. A phase Doppler Particle Analyzer (PDPA) is used to measure particle diameter and velocity at various axial locations in the intersection region of two sprays. Measurements of single sprays, with one nozzle turned off alternatively are also obtained at the same locations. This data, treated as an unstructured time series is classified into three bins each for diameter (small, medium, large) and velocity (slow, medium, fast). Conditional probability analysis on this binned data showed a higher static correlation between droplet velocities, while diameter correlation is significantly alleviated (reduced) in intersecting sprays, compared to single sprays. Further analysis using serial correlation measures: auto-correlation function (ACF) and partial auto-correlation function (PACF) shows that the lagged correlations in droplet velocity are enhanced while those in the droplet diameter are significantly debilitated in intersecting sprays. We show that sprays are not necessarily Markov processes and that memory persists, even though curtailed to fewer lags in case of size, and enhanced in case of droplet velocity.

  19. The influence of local circulations on vertical profiles of NO2 and O3 at semi-rural sites during DISCOVER-AQ campaigns in California, Texas, and Colorado

    NASA Astrophysics Data System (ADS)

    Stein Zweers, D. C.; Pickering, K. E.; Clark, R. D.; Weinheimer, A. J.; Flynn, C.; Mazzuca, G.; Spinei, E.

    2014-12-01

    Through use of the Millersville University tethersonde balloon an NO2-sonde, developed at the Royal Netherlands Meteorological Institute (KNMI), profiled the lower boundary layer as part of the larger NASA Earth Venture program funded mission. This campaign known as DISCOVER-AQ stands for 'Deriving Information on Surface Conditions from Column and Vertically Resolved Observations Relevant to Air Quality'. Recent results from the California, Texas, and Colorado deployments of DISCOVER-AQ highlight the importance of semi-continuous, daytime measurement of the vertical distribution of ozone and NO2 in the lower boundary layer. The balloon profiles, typically from the surface to 500m above ground level, fill an important gap between surface measurements and the lowest extent of aircraft measurements. This near-surface region of the atmosphere is highly variable and local circulation features including land-sea breezes and mountain-valley breezes were observed. These circulations altered local transport patterns and led to changes in the chemical regime at each site. These processes were especially apparent at Smith Point, Texas during an extreme pollution event on 25 September 2013. The extent to which these local circulations influenced diurnal variation and vertical distribution of NO2 and ozone is evaluated and compared for each semi-rural site using wind direction and other meteorological data. NO2-sonde profile data is compared to ground station trace gas analyzers and where available, column and profile measurements from PANDORA spectrometer instruments. These data measured in the segment of the near-surface atmosphere most critical for human health are unique and crucial for validation of satellite columns and atmospheric chemical models.

  20. Issues of Rural Light Pollution

    NASA Astrophysics Data System (ADS)

    Osborn, W. H.; Hammer, R. L.; Hammer, A.

    2001-12-01

    Light pollution is generally considered mostly an urban problem. Common sources of light pollution are poorly designed lighting of streets, parking lots, businesses and advertizing signs and for security. These sources, and the amount of light pollution generated, increase with population density. Nevertheless, light pollution can also be significant in rural areas. Rural light pollution differs from that in urban settings, both in the types of pollution and in the means that must be employed to control it. In the country the offending sources are often isolated lights such as from farm barns, vacation cottages, radio and cell phone towers, and road intersections. A culture of strong property rights and privacy rights affects attempts to control rural light pollution. We describe how some of these issues may be addressed based on the results from an Eagle Scout project carried out in central Michigan.

  1. Intersectant Microstructure of Hydroxyapatite Sheets of Shankbone

    NASA Astrophysics Data System (ADS)

    Chen, B.; Luo, J.; Wang, J. G.; Yuan, Q.; Fan, J. H.

    Bone possesses excellent mechanical properties, which are closely related to its favorable microstructures optimized by nature through millions of years. In this work, a scanning electron microscope (SEM) was used to observe the microstructures of a shankbone. It showed that the bone is a kind of bioceramic composite consisting of hydroxyapatite layers and collagen protein matrix. The hydroxyapatite layers are further composed of long and thin hydroxyapatite sheets. The hydroxyapatite sheets in different hydroxyapatite layers distribute along different orientations, which composes a kind of intersectant microstructure. The maximum pullout force of the intersectant microstructure was investigated and compared with that of 0° microstructure with their representative models. The result indicated that the maximum pullout force of the intersectant microstructure is markedly larger than that of the 0° microstructure, which was experimentally verified.

  2. Modeling aggressive driver behavior at unsignalized intersections.

    PubMed

    Kaysi, Isam A; Abbany, Ali S

    2007-07-01

    The processing of vehicles at unsignalized intersections is a complex and highly interactive process, whereby each driver makes individual decisions about when, where, and how to complete the required maneuver, subject to his perceptions of distances, velocities, and own car's performance. Typically, the performance of priority-unsignalized intersections has been modeled with probabilistic approaches that consider the distribution of gaps in the major-traffic stream and their acceptance by the drivers of minor street vehicles based on the driver's "critical gap". This paper investigates the aggressive behavior of minor street vehicles at intersections that are priority-unsignalized but operate with little respect of control measures. The objective is to formulate a behavioral model that predicts the probability that a driver performs an aggressive maneuver as a function of a set of driver and traffic attributes. Parameters that were tested and modeled include driver characteristics (gender and age), car characteristics (performance and model year), and traffic attributes (number of rejected gaps, total waiting time at head of queue, and major-traffic speed). Binary probit models are developed and tested, based on a collected data set from an unsignalized intersection in the city of Beirut, to determine which of the studied variables are statistically significant in determining the aggressiveness of a specific driver. Primary conclusions reveal that age, car performance, and average speed on the major road are the major determinants of aggressive behavior. Another striking conclusion is that the total waiting time of the driver while waiting for an acceptable gap is of little significance in incurring the "forcing" behavior. The obtained model is incorporated in a simple simulation framework that reflects driver behavior and traffic stream interactions in estimating delay and conflict measures at unsignalized intersections. The simulation results were then compared

  3. Intersecting surface defects and instanton partition functions

    DOE PAGES

    Pan, Yiwen; Peelaers, Wolfger

    2017-07-14

    We analyze intersecting surface defects inserted in interacting four-dimensional N = 2 supersymmetric quantum field theories. We employ the realization of a class of such systems as the infrared xed points of renormalization group flows from larger theories, triggered by perturbed Seiberg-Witten monopole-like con gurations, to compute their partition functions. These results are cast into the form of a partition function of 4d/2d/0d coupled systems. In conclusion, our computations provide concrete expressions for the instanton partition function in the presence of intersecting defects and we study the corresponding ADHM model.

  4. Intersecting surface defects and instanton partition functions

    NASA Astrophysics Data System (ADS)

    Pan, Yiwen; Peelaers, Wolfger

    2017-07-01

    We analyze intersecting surface defects inserted in interacting four-dimensional N=2 supersymmetric quantum field theories. We employ the realization of a class of such systems as the infrared fixed points of renormalization group flows from larger theories, triggered by perturbed Seiberg-Witten monopole-like configurations, to compute their partition functions. These results are cast into the form of a partition function of 4d/2d/0d coupled systems. Our computations provide concrete expressions for the instanton partition function in the presence of intersecting defects and we study the corresponding ADHM model.

  5. Best Angle to Orient Two Intersecting Lines

    SciTech Connect

    Awwal, A S; Ferguson, S W; Shull, P B

    2006-07-25

    Fiducials in the form of intersecting straight lines are used to align the target in the final target chamber of the National Ignition Facility of Lawrence Livermore National Laboratory. One of the techniques used to locate these lines is the Hough transform. When two lines intersect at a 90 degree angle, it is tempting to orient the lines to horizontal and vertical directions. There are other possible angles at which the lines may be oriented. One question that arises while designing the fiducials is whether there is a preferred angle or range of angles that leads to higher accuracy. This work attempts to answer this question through detailed computer simulation.

  6. Photocopy of drawing located at National Archives, San Bruno, California ...

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

    Photocopy of drawing located at National Archives, San Bruno, California (Navy # H-1-A-28). PW Dept, US Navy Yard Mare Island Cal U.S. Naval Hospital reconstruction - building H-1 plans of basement & first floor, January, 1924. - Mare Island Naval Shipyard, Hospital Headquarters, Johnson Lane, west side at intersection of Johnson Lane & Cossey Street, Vallejo, Solano County, CA

  7. Photocopy of drawing located at National Archives, San Bruno, California ...

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

    Photocopy of drawing located at National Archives, San Bruno, California (Navy # H-1-A-29). PW Dept. US Navy Yard Mare Island Cal. U.S. Naval Hospital reconstruction - building H-1 plans of 2nd and 3rd floors, January, 1924. - Mare Island Naval Shipyard, Hospital Headquarters, Johnson Lane, west side at intersection of Johnson Lane & Cossey Street, Vallejo, Solano County, CA

  8. Photocopy of drawing located at National Archives, San Bruno, California ...

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

    Photocopy of drawing located at National Archives, San Bruno, California (Navy # A 45-6). US Navy Yard Mare Island Cal additions to quarters for gunner magazine reservation; August, Ca. 1910. - Mare Island Naval Shipyard, Gunner's House, Maseda Road, west side near intersection of Imhoff Road, Vallejo, Solano County, CA

  9. Photocopy of drawing located at National Archives, San Bruno, California ...

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

    Photocopy of drawing located at National Archives, San Bruno, California (Navy # A45-3). US Navy Yard Mare Island Cal ammunition depot quarters A45 new porch & stair to 2nd floor plans, elevations and details; May 5, 1939. - Mare Island Naval Shipyard, Gunner's House, Maseda Road, west side near intersection of Imhoff Road, Vallejo, Solano County, CA

  10. Photocopy of drawing located at National Archives, San Bruno, California ...

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

    Photocopy of drawing located at National Archives, San Bruno, California (Navy # A43-9). Concrete trench and piping; February 23, 1933. - Mare Island Naval Shipyard, Quarters A43, Maseda Road, cul-de-sac east of intersection of Imhoff Road, Vallejo, Solano County, CA

  11. Photocopy of drawing located at National Archives, San Bruno, California ...

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

    Photocopy of drawing located at National Archives, San Bruno, California (Navy # H-70-A-8). Window details; April 10, 1930. - Mare Island Naval Shipyard, Hospital Ward, Johnson Lane, west side at intersection of Johnson Lane & Cossey Street, Vallejo, Solano County, CA

  12. Poetics, Politics, and the Life of Latino Catholics in California

    ERIC Educational Resources Information Center

    Sandell, David P.

    2009-01-01

    This essay explores poetics and politics among Latino Catholics in Fresno, California, who draw on a tradition of storytelling and religious ritual to mitigate the hardships that result from their marginal social assignment. Storytelling and ritual allow them to recognize where faith and daily life intersect, exposing the tensions--including those…

  13. On the extent and connectivity of conical intersection seams and the effects of three-state intersections.

    PubMed

    Coe, Joshua D; Ong, Mitchell T; Levine, Benjamin G; Martínez, Todd J

    2008-12-11

    We discuss the connectivity of intersection spaces and the role of minimal energy points within these intersection spaces (minimal energy conical intersections or MECIs) in promoting nonadiabatic transitions. We focus on malonaldeyde as a specific example, where there is a low-lying three-state conical intersection. This three-state intersection is the global minimum on the bright excited electronic state, but it plays a limited role in population transfer in our ab initio multiple spawning (AIMS) simulations because the molecule must traverse a series of two-state conical intersections to reach the three-state intersection. Due to the differences in seam space dimensionality separating conventional (two-state) and three-state intersections, we suggest that dynamical effects arising directly from a three-state intersection may prove difficult to observe in general. We also use a newly developed method for intersection optimization with geometric constraints to demonstrate the connectivity of all the stationary points in the intersection spaces for malonaldehyde. This supports the conjecture that all intersection spaces are connected, and that three-state intersections play a key role in extending this connectivity to all pairs of states, e.g. the S1/S0 and S2/S1 intersection spaces.

  14. On the extent and connectivity of conical intersection seams and the effects of three-state intersections

    SciTech Connect

    Coe, Joshua D; Levine, B G; Ong, M T; Martinez, T J

    2008-01-01

    We discuss the connectivity of intersection spaces and the role of minimal energy points within these intersection spaces (minimal energy conical intersections or MECIs) in promoting nonadiabatic transitions. We focus on malonaldeyde as a specific example, where there is a low-lying three-state conical intersection. This three-state intersection is the global minimum on the bright excited electronic state, but it plays a limited role in population transfer in our ab initio multiple spawning (AIMS) simulations because the molecule must traverse a series of two-state conical intersections to reach the three-state intersection. Due to the differences in seam space dimensionality separating conventional (two-state) and three-state intersections, we suggest that dynamical effects arising directly from a three-state intersection may prove difficult to observe in general. We also use a newly developed method for intersection optimization with geometric constraints to demonstrate the connectivity of all the stationary points in the intersection spaces for malonaldehyde. This supports the conjecture that all intersection spaces are connected, and that three-state intersections play a key role in extending this connectivity to all pairs of states, e.g. the S{sub 1}/S{sub 0} and S{sub 2}/S{sub 1} intersection spaces.

  15. Teaching Science from Cultural Points of Intersection

    ERIC Educational Resources Information Center

    Grimberg, Bruna Irene; Gummer, Edith

    2013-01-01

    This study focuses on a professional development program for science teachers near or on American Indian reservations in Montana. This program was framed by culturally relevant pedagogy premises and was characterized by instructional strategies and content foci resulting from the intersection between three cultures: tribal, science teaching, and…

  16. The Priority of Intersectionality in Academic Medicine.

    PubMed

    Eckstrand, Kristen L; Eliason, Jennifer; St Cloud, Tiffani; Potter, Jennifer

    2016-07-01

    Recent societal events highlight inequities experienced by underrepresented and marginalized communities. These inequities are the impetus for ongoing efforts in academic medicine to create inclusive educational and patient care environments for diverse stakeholders. Frequently, approaches focus on singular populations or broad macroscopic concepts and do not always elucidate the complexities that arise at the intersection between multiple identities and life experiences. Intersectionality acknowledges multidimensional aspects of identity inclusive of historical, structural, and cultural factors. Understanding how multiple identity experiences impact different individuals, from patients to trainees to providers, is critical for improving health care education and delivery. Building on existing work within academic medicine, this Commentary outlines six key recommendations to advance intersectionality in academic medicine: embrace personal and collective loci of responsibility; examine and rectify unbalanced power dynamics; celebrate visibility and intersectional innovation; engage all stakeholders in the process of change; select and analyze meaningful metrics; and sustain the commitment to achieving health equity over time. Members of the academic medical community committed to advancing health equity can use these recommendations to promote and maintain meaningful changes that recognize and respond to the multidimensional voices and expressed needs of all individuals engaged in providing and receiving health care.

  17. 30 CFR 56.7055 - Intersecting holes.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 30 Mineral Resources 1 2011-07-01 2011-07-01 false Intersecting holes. 56.7055 Section 56.7055 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-SURFACE METAL AND NONMETAL MINES Drilling and Rotary...

  18. 30 CFR 56.7055 - Intersecting holes.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 30 Mineral Resources 1 2012-07-01 2012-07-01 false Intersecting holes. 56.7055 Section 56.7055 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-SURFACE METAL AND NONMETAL MINES Drilling and Rotary...

  19. 30 CFR 56.7055 - Intersecting holes.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 30 Mineral Resources 1 2014-07-01 2014-07-01 false Intersecting holes. 56.7055 Section 56.7055 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-SURFACE METAL AND NONMETAL MINES Drilling and Rotary...

  20. 30 CFR 56.7055 - Intersecting holes.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 30 Mineral Resources 1 2013-07-01 2013-07-01 false Intersecting holes. 56.7055 Section 56.7055 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-SURFACE METAL AND NONMETAL MINES Drilling and Rotary...

  1. X-48C Flies Over Intersecting Runways

    NASA Image and Video Library

    2013-02-28

    The X-48C Hybrid Wing Body research aircraft flew over the intersection of several runways adjacent to the compass rose on Rogers Dry Lake at Edwards Air Force Base during one of the sub-scale aircraft's final test flights on Feb. 28, 2013.

  2. The Intersection of Education and Incarceration

    ERIC Educational Resources Information Center

    Tannis, Lynette N.

    2017-01-01

    In this "Harvard Educational Review" symposium article, Lynette N. Tannis provides an in-depth look at the juncture of education and incarceration. Tannis states that the denial and/or lack of educational programs within carceral settings are concerning given the size of the US prison system. Discourse about the intersection of education…

  3. 30 CFR 57.7055 - Intersecting holes.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-UNDERGROUND METAL AND NONMETAL MINES Drilling and Rotary Jet Piercing Drilling-Surface and Underground § 57.7055 Intersecting holes. Holes shall not be...

  4. 30 CFR 56.7055 - Intersecting holes.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR METAL AND NONMETAL MINE SAFETY AND HEALTH SAFETY AND HEALTH STANDARDS-SURFACE METAL AND NONMETAL MINES Drilling and Rotary Jet Piercing Drilling § 56.7055 Intersecting holes. Holes shall not be drilled where there is a danger...

  5. Edge Effects in Line Intersect Sampling With

    Treesearch

    David L. R. Affleck; Timothy G. Gregoire; Harry T. Valentine

    2005-01-01

    Transects consisting of multiple, connected segments with a prescribed configuration are commonly used in ecological applications of line intersect sampling. The transect configuration has implications for the probability with which population elements are selected and for how the selection probabilities can be modified by the boundary of the tract being sampled. As...

  6. One Teacher's Journey through the Mediated Intersections

    ERIC Educational Resources Information Center

    Beach, Crystal L.

    2015-01-01

    Today's classrooms often have a plethora of new ways of reading and writing entering the room, but too often these new ways of "doing" are disregarded and checked at the door. For this reason, one educator shares her journey through the mediated intersections of media, culture, and education. In this piece, she explores how literacy…

  7. Teaching Science from Cultural Points of Intersection

    ERIC Educational Resources Information Center

    Grimberg, Bruna Irene; Gummer, Edith

    2013-01-01

    This study focuses on a professional development program for science teachers near or on American Indian reservations in Montana. This program was framed by culturally relevant pedagogy premises and was characterized by instructional strategies and content foci resulting from the intersection between three cultures: tribal, science teaching, and…

  8. Circles and the Lines That Intersect Them

    ERIC Educational Resources Information Center

    Clay, Ellen L.; Rhee, Katherine L.

    2014-01-01

    In this article, Clay and Rhee use the mathematics topic of circles and the lines that intersect them to introduce the idea of looking at the single mathematical idea of relationships--in this case, between angles and arcs--across a group of problems. They introduce the mathematics that underlies these relationships, beginning with the questions…

  9. Compelling Diversities, Educational Intersections: Policy, Practice, Parity

    ERIC Educational Resources Information Center

    Taylor, Yvette

    2013-01-01

    The ninth international Gender and Education Association Conference "Compelling Diversities, Educational Intersections" hosted by the Weeks Centre for Social and Policy Research, London South Bank University engages with key debates surrounding the interplay between dynamics of education, work, employment and society in the context of…

  10. Circles and the Lines That Intersect Them

    ERIC Educational Resources Information Center

    Clay, Ellen L.; Rhee, Katherine L.

    2014-01-01

    In this article, Clay and Rhee use the mathematics topic of circles and the lines that intersect them to introduce the idea of looking at the single mathematical idea of relationships--in this case, between angles and arcs--across a group of problems. They introduce the mathematics that underlies these relationships, beginning with the questions…

  11. Compelling Diversities, Educational Intersections: Policy, Practice, Parity

    ERIC Educational Resources Information Center

    Taylor, Yvette

    2013-01-01

    The ninth international Gender and Education Association Conference "Compelling Diversities, Educational Intersections" hosted by the Weeks Centre for Social and Policy Research, London South Bank University engages with key debates surrounding the interplay between dynamics of education, work, employment and society in the context of…

  12. One Teacher's Journey through the Mediated Intersections

    ERIC Educational Resources Information Center

    Beach, Crystal L.

    2015-01-01

    Today's classrooms often have a plethora of new ways of reading and writing entering the room, but too often these new ways of "doing" are disregarded and checked at the door. For this reason, one educator shares her journey through the mediated intersections of media, culture, and education. In this piece, she explores how literacy…

  13. Intersection of the Exponential and Logarithmic Curves

    ERIC Educational Resources Information Center

    Boukas, Andreas; Valahas, Theodoros

    2009-01-01

    The study of the number of intersection points of y = a[superscript x] and y = log[subscript a]x can be an interesting topic to present in a single-variable calculus class. In this article, the authors present a classroom presentation outline involving the basic algebra and the elementary calculus of the exponential and logarithmic functions. The…

  14. Intersectionality as a Framework for Inclusive Environments

    NASA Astrophysics Data System (ADS)

    Nunez, A. M.

    2016-12-01

    To create more inclusive environments for the advancement of scientific inquiry, it is critical to consider the role of intersectionality. Originating in activism and legal scholarship grounded in the realities of women of color, the concept of intersectionality emphasizes how societal power dynamics shape the differential construction of life opportunities of diverse demographic groups across a variety of social identities, contexts, and historical conditions. Importantly, intersectionality also recognizes that individuals can simultaneously hold privileged and marginalized identities. For example, while white women scientists are less represented in leadership and decision-making positions than their male counterparts, but they typically do not experience the marginalization of being mistaken for cleaning staff at their institutions, as many African American and Latina scientists report. Thus, white women are relatively privileged in this context. This case and national survey data demonstrate the critical importance of recognizing that the intersection of racial and gender identities creates complex and multi-faceted challenges for diverse women scientists in navigating the organizational culture of science. Educational research indicates that interventions seeking to create more inclusivity in science should take into account the relationships between various social identities, contexts, and broader historical conditions that affect the advancement of historically underrepresented minority groups. Therefore, this presentation will provide a conceptual framework of intersectionality to guide interventions to encourage all scientists to recognize the distinctive intellectual and social contributions of those from diverse gender, race, class, disability, sexual orientation, and other identity backgrounds. It will also address how this framework can be applied to develop programs, policies, and practices that transform organizational cultures to be more inclusive

  15. Intersections of potential energy surfaces of short-lived states: the complex analogue of conical intersections.

    PubMed

    Feuerbacher, Sven; Sommerfeld, Thomas; Cederbaum, Lorenz S

    2004-02-15

    Whereas conical intersections between potential energy surfaces of bound states are well known, the interaction of short-lived states has been investigated only rarely. Here, we present several systematically constructed model Hamiltonians to study the topology of intersecting complex potential energy surfaces describing short-lived states: We find the general phenomenon of doubly intersecting complex energy surfaces, i.e., there are two points instead of one as in the case of bound states where the potential energy surfaces coalesce. In addition, seams of intersections of the respective real and imaginary parts of the potential energy surfaces emanate from these two points. Using the Sigma* and Pi* resonance states of the chloroethene anion as a practical example, we demonstrate that our complete linear model Hamiltonian is able to reproduce all phenomena found in explicitly calculated ab initio complex potential energy surfaces.

  16. On the adiabatic to diabatic states transformation near intersections of conical intersections

    NASA Astrophysics Data System (ADS)

    Yarkony, David R.

    2000-02-01

    A Hamiltonian, Hd,(2), "rigorously" diabatic in the vicinity of Rx, a point of conical intersection, is constructed using second-order degenerate perturbation theory. Near an Rx on a C2v seam of conical intersection of two states of different symmetry, Hd,(2) may exhibit a confluence with a Cs seam of conical intersection of two states of the same symmetry. Thus by construction, there exists a "rigorous" diabatic representation of the vicinity of this confluence. A procedure for defining a unique linear combination of the degenerate states at a conical intersection is found to be useful for determining the parameters for Hd,(2) and for identifying approximate symmetries in situations where point group symmetry is rigorously absent.

  17. VIEW OF BIRCH CIRCLE, FROM INTERSECTION WITH DATE DRIVE. VIEW ...

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

    VIEW OF BIRCH CIRCLE, FROM INTERSECTION WITH DATE DRIVE. VIEW FACING WEST - Camp H.M. Smith and Navy Public Works Center Manana Title VII (Capehart) Housing, Intersection of Acacia Road and Brich Circle, Pearl City, Honolulu County, HI

  18. VIEW OF ELM DRIVE FROM ITS INTERSECTION WITH ELM CIRCLE. ...

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

    VIEW OF ELM DRIVE FROM ITS INTERSECTION WITH ELM CIRCLE. VIEW FACING SOUTHEAST - Camp H.M. Smith and Navy Public Works Center Manana Title VII (Capehart) Housing, Intersection of Acacia Road and Brich Circle, Pearl City, Honolulu County, HI

  19. 3. VIEW FROM EAST. EAST ELEVATION SHOWING THE ROOF INTERSECTION ...

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

    3. VIEW FROM EAST. EAST ELEVATION SHOWING THE ROOF INTERSECTION OF THE EAST AND NORTH WINGS OF THE BUILDING. - Navy Yard, Ordnance Building, Intersection of Paulding & Kennon Streets, Washington, District of Columbia, DC

  20. 11. DETAILTIEROD PLATES LOCATED AT THE COURTSIDE INTERSECTION OF THE ...

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

    11. DETAIL--TIE-ROD PLATES LOCATED AT THE COURTSIDE INTERSECTION OF THE EAST AND NORTH WINGS. - Navy Yard, Ordnance Building, Intersection of Paulding & Kennon Streets, Washington, District of Columbia, DC

  1. Final Report 10th Conference on the Intersections of Particle and Nuclear Physics

    SciTech Connect

    Marshak, Marvin L.

    2013-11-03

    The 10th Conference on the Intersections of Particle and Nuclear Physics was held in LaJolla, California on May 26 to May 31, 2009. The Conference Proceedings are published by the American Institute of Physics in Volume 1182 of the AIP Conference Proceedings (ISBN: 978-0-7354-0723-7). The Proceedings include papers from each of the Conference Presenters and a detailed schedule of talks at the Conference. The Table of Contents of the Conference Proceedings is available at http://scitation.aip.org/content/aip/proceeding/aipcp/1182. Support by the U.S. Department of Energy and by DOE Laboratories was essential to the success of the Conference.

  2. Rural Approaches

    ERIC Educational Resources Information Center

    Tuckley, Betty; Hitchings, Jim

    1971-01-01

    A course in rural studies, as part of the Home Economics curriculum at Worcester College of Education, provides students with the opportunity to grow their own vegetables and flowers, look after livestock, and experience a rural environment. (RY)

  3. Intersections of a Circle and a Square: An Investigation

    ERIC Educational Resources Information Center

    Canada, Dan; Blair, Stephen

    2007-01-01

    The investigation of how a circle and square lying in the same plane could intersect each other is an excellent example of geometric problem-solving. This paper explores three facets of the investigation: (1) finding out how many points of intersection are possible, (2) classifying the different ways of intersection, and (3) determining which ways…

  4. Intersections of a Circle and a Square: An Investigation

    ERIC Educational Resources Information Center

    Canada, Dan; Blair, Stephen

    2007-01-01

    The investigation of how a circle and square lying in the same plane could intersect each other is an excellent example of geometric problem-solving. This paper explores three facets of the investigation: (1) finding out how many points of intersection are possible, (2) classifying the different ways of intersection, and (3) determining which ways…

  5. Music Educated and Uprooted: My Story of Rurality, Whiteness, Musicing, and Teaching

    ERIC Educational Resources Information Center

    Shevock, Daniel J.

    2016-01-01

    This article provides a glimpse into one person's subjective experiences of rurality, Whiteness, musicing, and teaching. Experiences are shared narratively around the central metaphor: roots. This autoethnography was guided by the question: how has the intersection of rurality, Whiteness, and poverty affected my attitudes, actions, and roles…

  6. Music Educated and Uprooted: My Story of Rurality, Whiteness, Musicing, and Teaching

    ERIC Educational Resources Information Center

    Shevock, Daniel J.

    2016-01-01

    This article provides a glimpse into one person's subjective experiences of rurality, Whiteness, musicing, and teaching. Experiences are shared narratively around the central metaphor: roots. This autoethnography was guided by the question: how has the intersection of rurality, Whiteness, and poverty affected my attitudes, actions, and roles…

  7. California Fires

    Atmospheric Science Data Center

    2014-05-15

    ... title:  Smoke from Station Fire Blankets Southern California     View Larger Image ... that had not burned in decades, and years of extended drought contributed to the explosive growth of wildfires throughout southern ...

  8. Wasco, California

    NASA Image and Video Library

    2013-02-19

    Wasco, California advertises itself as the Rose Capital of the World; over 8000 acres are devoted to cultivation of existing and new varieties of roses, shipped to every state in the U.S. and all over the world.

  9. Rural Theory.

    ERIC Educational Resources Information Center

    Gilbert, Jess

    To be scientific, rural sociology must have a distinctive conceptual basis; therefore, defining "rural" has long been a major concern of rural sociologists. Recently faced with similar problems, political economists have revitalized the field of urban sociology by looking beyond the city to the social production of spatial forms under…

  10. Comparing the effects of infrastructure on bicycling injury at intersections and non-intersections using a case–crossover design

    PubMed Central

    Harris, M Anne; Reynolds, Conor C O; Winters, Meghan; Cripton, Peter A; Shen, Hui; Chipman, Mary L; Cusimano, Michael D; Babul, Shelina; Brubacher, Jeffrey R; Friedman, Steven M; Hunte, Garth; Monro, Melody; Vernich, Lee; Teschke, Kay

    2013-01-01

    Background This study examined the impact of transportation infrastructure at intersection and non-intersection locations on bicycling injury risk. Methods In Vancouver and Toronto, we studied adult cyclists who were injured and treated at a hospital emergency department. A case–crossover design compared the infrastructure of injury and control sites within each injured bicyclist's route. Intersection injury sites (N=210) were compared to randomly selected intersection control sites (N=272). Non-intersection injury sites (N=478) were compared to randomly selected non-intersection control sites (N=801). Results At intersections, the types of routes meeting and the intersection design influenced safety. Intersections of two local streets (no demarcated traffic lanes) had approximately one-fifth the risk (adjusted OR 0.19, 95% CI 0.05 to 0.66) of intersections of two major streets (more than two traffic lanes). Motor vehicle speeds less than 30 km/h also reduced risk (adjusted OR 0.52, 95% CI 0.29 to 0.92). Traffic circles (small roundabouts) on local streets increased the risk of these otherwise safe intersections (adjusted OR 7.98, 95% CI 1.79 to 35.6). At non-intersection locations, very low risks were found for cycle tracks (bike lanes physically separated from motor vehicle traffic; adjusted OR 0.05, 95% CI 0.01 to 0.59) and local streets with diverters that reduce motor vehicle traffic (adjusted OR 0.04, 95% CI 0.003 to 0.60). Downhill grades increased risks at both intersections and non-intersections. Conclusions These results provide guidance for transportation planners and engineers: at local street intersections, traditional stops are safer than traffic circles, and at non-intersections, cycle tracks alongside major streets and traffic diversion from local streets are safer than no bicycle infrastructure. PMID:23411678

  11. Census study of fatal car-to-car intersection crashes in Sweden involving modern vehicles.

    PubMed

    Sunnevång, Cecilia; Boström, Ola; Lie, Anders; Stigson, Helena

    2011-08-01

    Intersections are challenging for many road users. According to US, European, and global statistics, intersection-related crashes with fatal outcome represent approximately 20 percent of all traffic fatalities. The aim of this study was to use Swedish data to investigate and characterize fatal car-to-car intersection crashes for modern cars equipped with frontal and side air bags. The Swedish Transport Administration (STA) national database on fatal crashes was searched to find vehicle-to-vehicle intersection crashes involving modern cars that occurred between 2003 and 2009 that resulted in fatal injuries for at least one of the involved passengers. From all intersection crashes, the car-to-car crashes from the sample were analyzed at an occupant level. Occupant location in the target vehicle with respect to impact direction as well as AIS3+ injuries to body regions was examined for the total car-to-car sample. Crashes involving a target vehicle equipped with front and side air bags were then selected for an in-depth study. In the STA database, 39 vehicle-to-vehicle crashes matched the search criteria. Of 39 crashes, 17 involved a heavy goods vehicle (HGV) as the striking vehicle, and 17 were car-to-car crashes. All car-to-car crashes were side impacts, occurring at rural intersections, involving 20 (12 female and 8 male) fatally injured occupants, 15 of whom were 61 years or older and classified as senior occupants. A majority of fatally injured occupants sustained combined AIS3+ injuries to more than one body region. All modern car-to-car crashes with a fatal outcome occurring at Swedish intersections from 2003 to 2009 were side impacts. The crashes were characterized by a senior front seat driver, traveling with a front seat passenger, hit on the left side at approximately 70 km/h. In this study all fatal crashes occurred at severities beyond those currently evaluated in side impact rating procedures but were within survivable limits for a non-senior occupant in

  12. Gauge unification in supersymmetric intersecting brane worlds

    NASA Astrophysics Data System (ADS)

    Blumenhagen, Ralph; Lüst, Dieter; Stieberger, Stephan

    2003-07-01

    We show that contrary to first expectations realistic three generation supersymmetric intersecting brane world models give rise to phenomenologically interesting predictions about gauge coupling unification. Assuming the most economical way of realizing the matter content of the MSSM via intersecting branes we obtain a model independent relation among the three gauge coupling constants at the string scale. In order to correctly reproduce the experimentally known values of sin2[thetaW(Mz)] and alphas(Mz) this relation leads to natural gauge coupling unification at a string scale close to the standard GUT scale 2 x 1016 GeV. Additional vector-like matter can push the unification scale up to the Planck scale.

  13. Seismic Wave Propagation Along Fracture Intersections

    NASA Astrophysics Data System (ADS)

    Abell, B.; Pyrak-Nolte, L. J.; Knobloch, J.

    2012-12-01

    Past research has shown that fractures support guided-modes such as coupled Rayleigh waves as well as confined modes such as Love waves and leaky-mode compressional waves. We demonstrated experimentally that fracture intersections support a mode that is similar to interface waves but propagates at speeds below the Rayleigh wave for low applied load. In this experimental study, we demonstrated that at low stress, fracture intersections support highly-localized wedge waves whose existence depends on stress and source-receiver polarization. Wedge waves (W.W.) were propagated along the orthogonal edge of aluminum samples. The sample measured 100 x 150 x 150 mm and was machined with two orthogonal fractures, intersecting at the center, such that four independent pieces of aluminum could be measured independently or pieced together. Seismic measurements were performed for two cases: (1) two right angle blocks in contact to examine the stress dependence of two corners in contact and (2) four right angle blocks in contact to study the behavior of four intersecting corners in contact. Seismic transducers with a central frequency of 1MHz were used to propagate shear (S) waves along the corners of the blocks that form an intersection, along the fractures and through the bulk. Measurements were made with the shear transducers polarized at 0, 45, 90 and 135 deg. to the direction of loading for a range (0 to 66 kN) of applied normal loads. When only two blocks were in contact, a W.W. was observed traveling at speeds between 2650 m/s and 3000 m/s. This is below the Rayleigh speed (2830 m/s) for low stress. As the applied load was increased, the wave speed increased, indicating a change in the local stiffness. Although an increase in speed was observed for both polarizations, the measured speed was lower for 135 deg. polarization indicating that the local stiffness of the top wedge was dramatically different than the bottom aluminum block. All four blocks were also examined under

  14. Spiked instantons from intersecting D-branes

    NASA Astrophysics Data System (ADS)

    Nekrasov, Nikita; Prabhakar, Naveen S.

    2017-01-01

    The moduli space of spiked instantons that arises in the context of the BPS/CFT correspondence [22] is realised as the moduli space of classical vacua, i.e. low-energy open string field configurations, of a certain stack of intersecting D1-branes and D5-branes in Type IIB string theory. The presence of a constant B-field induces an interesting dynamics involving the tachyon condensation.

  15. Reliability of drivers in urban intersections.

    PubMed

    Gstalter, Herbert; Fastenmeier, Wolfgang

    2010-01-01

    The concept of human reliability has been widely used in industrial settings by human factors experts to optimise the person-task fit. Reliability is estimated by the probability that a task will successfully be completed by personnel in a given stage of system operation. Human Reliability Analysis (HRA) is a technique used to calculate human error probabilities as the ratio of errors committed to the number of opportunities for that error. To transfer this notion to the measurement of car driver reliability the following components are necessary: a taxonomy of driving tasks, a definition of correct behaviour in each of these tasks, a list of errors as deviations from the correct actions and an adequate observation method to register errors and opportunities for these errors. Use of the SAFE-task analysis procedure recently made it possible to derive driver errors directly from the normative analysis of behavioural requirements. Driver reliability estimates could be used to compare groups of tasks (e.g. different types of intersections with their respective regulations) as well as groups of drivers' or individual drivers' aptitudes. This approach was tested in a field study with 62 drivers of different age groups. The subjects drove an instrumented car and had to complete an urban test route, the main features of which were 18 intersections representing six different driving tasks. The subjects were accompanied by two trained observers who recorded driver errors using standardized observation sheets. Results indicate that error indices often vary between both the age group of drivers and the type of driving task. The highest error indices occurred in the non-signalised intersection tasks and the roundabout, which exactly equals the corresponding ratings of task complexity from the SAFE analysis. A comparison of age groups clearly shows the disadvantage of older drivers, whose error indices in nearly all tasks are significantly higher than those of the other groups

  16. Immigrant Sexual Citizenship: Intersectional Templates among Mexican Gay Immigrants to the United States

    PubMed Central

    Epstein, Steven; Carrillo, Héctor

    2014-01-01

    Existing literature on sexual citizenship has emphasized the sexuality-related claims of de jure citizens of nation-states, generally ignoring immigrants. Conversely, the literature on immigration rarely attends to the salience of sexual issues in understanding the social incorporation of migrants. This article seeks to fill the gap by theorizing and analyzing immigrant sexual citizenship. While some scholars of sexual citizenship have focused on the rights and recognition granted formally by the nation-state and others have stressed more diffuse, cultural perceptions of community and local belonging, we argue that the lived experiences of immigrant sexual citizenship call for multiscalar scrutiny of templates and practices of citizenship that bridge national policies with local connections. Analysis of ethnographic data from a study of 76 Mexican gay and bisexual male immigrants to San Diego, California reveals the specific citizenship templates that these men encounter as they negotiate their intersecting social statuses as gay/bisexual and as immigrants (legal or undocumented); these include an “asylum” template, a “rights” template, and a “local attachments” template. However, the complications of their intersecting identities constrain their capacity to claim immigrant sexual citizenship. The study underscores the importance of both intersectional and multiscalar approaches in research on citizenship as social practice. PMID:25013360

  17. Exploring the Intersectionality of Bisexual, Religious/Spiritual, and Political Identities from a Feminist Perspective

    PubMed Central

    Rodriguez, Eric M.; Lytle, Megan C.; Vaughan, Michelle D.

    2014-01-01

    While there is a small but growing body of work that examines the religious and spiritual lives of bisexuals, there is a strong need for additional research that further explores the intersectionality of these distinct identities. Motivated by the feminist notions that the personal is political and that individuals are the experts of their own experiences (Unger, 2001), the specific aim of this study is to better understand the intersection of multiple identities experienced by bisexual individuals. Relying upon data collected by Herek, Glunt, and colleagues during their Northern California Health Study, in this exploratory study we examine the intersection of bisexual, religious/spiritual, and political identities by conducting an archival secondary analysis of 120 self-identified bisexual individuals. Among the significant findings, results suggest that higher LGB self-esteem scores and openness about sexual orientation correlated with higher levels of spirituality. Further, attraction to same sex partners was associated with perceiving sexual orientation as a choice, identifying as bisexual at a younger age, more likely to disclose one's sexual orientation, less likely to view religion as being socially important, and a higher score on the belief statement. We discuss the implications of these results and make suggestions for future research on the role of religion and spirituality in bisexual lives. PMID:25477767

  18. Exploring the Intersectionality of Bisexual, Religious/Spiritual, and Political Identities from a Feminist Perspective.

    PubMed

    Rodriguez, Eric M; Lytle, Megan C; Vaughan, Michelle D

    2013-07-01

    While there is a small but growing body of work that examines the religious and spiritual lives of bisexuals, there is a strong need for additional research that further explores the intersectionality of these distinct identities. Motivated by the feminist notions that the personal is political and that individuals are the experts of their own experiences (Unger, 2001), the specific aim of this study is to better understand the intersection of multiple identities experienced by bisexual individuals. Relying upon data collected by Herek, Glunt, and colleagues during their Northern California Health Study, in this exploratory study we examine the intersection of bisexual, religious/spiritual, and political identities by conducting an archival secondary analysis of 120 self-identified bisexual individuals. Among the significant findings, results suggest that higher LGB self-esteem scores and openness about sexual orientation correlated with higher levels of spirituality. Further, attraction to same sex partners was associated with perceiving sexual orientation as a choice, identifying as bisexual at a younger age, more likely to disclose one's sexual orientation, less likely to view religion as being socially important, and a higher score on the belief statement. We discuss the implications of these results and make suggestions for future research on the role of religion and spirituality in bisexual lives.

  19. A Persistent Disparity: Smoking in Rural Sexual and Gender Minorities.

    PubMed

    Bennett, Keisa; McElroy, Jane A; Johnson, Andrew O; Munk, Niki; Everett, Kevin D

    2015-03-01

    Sexual and gender minorities (SGM) smoke cigarettes at higher rates than the general population. Historically, research in SGM health issues was conducted in urban populations and recent population-based studies seldom have sufficient SGM participants to distinguish urban from rural. Given that rural populations also tend to have a smoking disparity, and that many SGM live in rural areas, it is vitally important to understand the intersection of rural residence, SGM identity, and smoking. This study analyzes the patterns of smoking in urban and rural SGM in a large sample. We conducted an analysis of 4280 adult participants in the Out, Proud, and Healthy project with complete data on SGM status, smoking status, and zip code. Surveys were conducted at 6 Missouri Pride Festivals and online in 2012. Analysis involved descriptive and bivariate methods, and multivariable logistic regression. We used GIS mapping to demonstrate the dispersion of rural SGM participants. SGM had higher smoking proportion than the non-SGM recruited from these settings. In the multivariable model, SGM identity conferred 1.35 times the odds of being a current smoker when controlled for covariates. Rural residence was not independently significant, demonstrating the persistence of the smoking disparity in rural SGM. Mapping revealed widespread distribution of SGM in rural areas. The SGM smoking disparity persists among rural SGM. These communities would benefit from continued research into interventions targeting both SGM and rural tobacco control measures. Recruitment at Pride Festivals may provide a venue for reaching rural SGM for intervention.

  20. Organizing for Our Lives: New Voices from Rural Communities.

    ERIC Educational Resources Information Center

    Street, Richard Steven; Orozco, Samuel

    Since the late 1970s, California's rural poor (frequently immigrants and refugees) have been engaged in grassroots efforts to change the cultural and political landscapes of their communities. Told in the words of rural people, this book presents six stories of struggle and empowerment. In Yuba City, Latino and East Indian farmworkers felt that…

  1. New Challenges for Rural Economic Development. Working Paper No. 400.

    ERIC Educational Resources Information Center

    Blakely, Edward J.; And Others

    Eleven papers on rural economic development cover challenges and opportunities; employment trends affecting nonmetropolitan areas; status of nonmetropolitan women and minorities; case studies of Vermont, North Carolina, Wisconsin, and California; western urban and regional development; economic development in small cities; and rural policy…

  2. 77 FR 33704 - Inviting Applications for Rural Business Opportunity Grants

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-06-07

    ... on Federal or State reservations and other Federally Recognized Native American Tribes or tribal... Federally Recognized Native American Tribes (Native American) in rural areas and $1,230,020 is unreserved...-3225, (501) 301-3200/TDD (501) 301-3279 American Samoa (see Hawaii) California USDA Rural Development...

  3. Sources of Inequities in Rural America: Implications for Rural Community Development and Research. Community Development Research Series.

    ERIC Educational Resources Information Center

    Fujimoto, Isao; Zone, Martin

    As part of a series prepared to acquaint small community officials with information on the latest community related research findings at the University of California at Davis, this monograph explicates the way in which tax structure, rural development assumptions, and even rural development policies and subsidies contribute to the inequities found…

  4. Influence of fracture intersections under unsaturated, low flow conditions

    SciTech Connect

    Thomas R. Wood; Michael J. Nicholl; Robert J. Glass

    2005-04-01

    Recent experimental evidence suggests that the capillary heterogeneity associated with fracture intersections can act to impose temporal and spatial structure on network-scale flows. A simple intersection between orthogonal fractures, one horizontal and the other vertical, has been shown to integrate unsaturated flows. At low flows the intersection forms a capillary barrier that accumulates water in a growing pool. Eventually, the retaining meniscus snaps, discharging a pulse of water. Here we develop a mechanistic explanation for this observed behavior and experimentally consider three perturbations to the geometry of the simple orthogonal intersection. Two of the perturbations also act as capillary barriers, while the third formed a capillary bridge across the intersection. At low flow, all of our experimental intersections imposed a temporal signal, with the nature of that signal dependent on intersection geometry and participation by the horizontal fractures in dynamic storage. At high flow a continuous fluid tendril spanned the system from inlet to outlet with water pooled above the intersection caused by a narrow fluid connection that restricted flow across the intersection. Results from all experiments suggest that pulsation is critically sensitive to small variations in the geometry of fracture intersections and storage in the horizontal fractures. When combined with dependency on supply rate, this sensitivity can generate pulsation of flow across a wide range of time periods and discharge volumes.

  5. Manipulating the Intersection of Angiogenesis and Inflammation

    PubMed Central

    Kwee, Brian J.; Mooney, David J.

    2015-01-01

    There exists a critical need to develop strategies that promote blood vessel formation (neovascularization) in virtually all tissue engineering and regenerative medicine efforts. While research typically focuses on understanding and exploiting the role of angiogenic factors and vascular cells on new blood vessel formation, the activity of the immune system is being increasingly recognized to impact vascular formation and adaptation. This review will provide both an overview of the intersection of angiogenesis and the immune system, and how biomaterials may be designed to promote favorable interactions between these two systems to promote effective vascularization. PMID:25316589

  6. Open intersection numbers and free fields

    NASA Astrophysics Data System (ADS)

    Alexandrov, Alexander

    2017-09-01

    A complete set of the Virasoro and W-constraints for the Kontsevich-Penner model, which conjecturally describes intersections on moduli spaces of open curves, was derived in our previous work. Here we show that these constraints can be described in terms of free bosonic fields with twisted boundary conditions, which gives a modification of the well-known construction of the W (3) algebra in conformal field theory. This description is natural from the point of view of the spectral curve description, and should serve as a new important ingredient of the topological recursion/Givental decomposition.

  7. California Dreaming

    ERIC Educational Resources Information Center

    Olson, Cathy Applefeld

    2011-01-01

    After getting her master's degree from UCLA, Nancy Wills dreamed of starting a school-based guitar program so she could teach students to make music on the instrument she'd loved since she was a kid growing up outside of Yosemite, California. She had a strong belief that guitar was perfect for schools, ideal for individualized playing but also…

  8. California Dreaming

    ERIC Educational Resources Information Center

    Olson, Cathy Applefeld

    2011-01-01

    After getting her master's degree from UCLA, Nancy Wills dreamed of starting a school-based guitar program so she could teach students to make music on the instrument she'd loved since she was a kid growing up outside of Yosemite, California. She had a strong belief that guitar was perfect for schools, ideal for individualized playing but also…

  9. California Fires

    Atmospheric Science Data Center

    2014-05-15

    article title:  Wildfires Rage in Southern California     ... Image Large plumes of smoke rising from devastating wildfires burning near Los Angeles and San Diego on Sunday, October 26, 2003, ... at JPL October 26, 2003 - Smoke from wildfires near Los Angeles and San Diego. project:  MISR ...

  10. ¿Somos iguales? Using a structural violence framework to understand gender and health inequities from an intersectional perspective in the Peruvian Amazon.

    PubMed

    Shannon, Geordan D; Motta, Angelica; Cáceres, Carlos F; Skordis-Worrall, Jolene; Bowie, Diana; Prost, Audrey

    In the Peruvian Amazon, historical events of colonization and political marginalization intersect with identities of ethnicity, class and geography in the construction of gender and health inequities. Gender-based inequalities can manifest in poor health outcomes via discriminatory practices, healthcare system imbalances, inequities in health research, and differential exposures and vulnerabilities to diseases. Structural violence is a comprehensive framework to explain the mechanisms by which social forces such as poverty, racism and gender inequity become embodied as individual experiences and health outcomes, and thus may be a useful tool in structuring an intersectional analysis of gender and health inequities in Amazonian Peru. The aim of this paper is to explore the intersection of gender inequities with other social inequalities in the production of health and disease in Peru's Amazon using a structural violence approach. Exploratory qualitative research was performed in two Loreto settings - urban Iquitos and the rural Lower Napo River region - between March and November 2015. This included participant observation with prolonged stays in the community, 46 semi-structured individual interviews and three group discussions. Thematic analysis was performed to identify emerging themes related to gender inequalities in health and healthcare and how these intersect with layered social disadvantages in the reproduction of health and illness. We employed a structural violence approach to construct an intersectional analysis of gender and health inequities in Amazonian Peru. Our findings were arranged into five interrelated domains within a gender, structural violence and health model: gender as a symbolic institution, systemic gender-based violence, interpersonal violence, the social determinants of health, and other health outcomes. Each domain represents one aspect of the complex associations between gender, gender inequity and health. Through this model, we were

  11. Aircraft recognition based on the discrepancy of polygon intersection area

    NASA Astrophysics Data System (ADS)

    Deng, Xiujian; Wang, Yanfang; Feng, Qi

    2017-01-01

    In this paper, a new algorithm that based on discrepancy of polygon intersection area for aircraft recognition is presented. The recognition algorithm process involves three parts: generating polygon of aircraft, placing overlapping plane polygons and computing the area of total intersecting polygons. For the purpose of getting the polygon of aircraft, the picture that was ready to be recognized has gone through a series of pre-processing and the smallest circumference polygon algorithm was used to get approximate polygon of the target contour. To make the two compared polygons have the approximate area, the similar principle was utilized. The matching procedure was divided into four steps including computing intersecting points, computing polygon intersecting sets, computing the intersecting area and getting the intersecting rate to recognize the aircraft. The data structure of algorithm is based on doubly liked list principle. A mass of simulations illustrate that the proposed algorithm is effective and reasonable.

  12. Partnership in Education: Preparation of the Family Nurse-Practitioner for Primary Care in Rural Health Settings.

    ERIC Educational Resources Information Center

    Fullerton, Judith T.

    A model program to educate primary care nurse-practitioners for rural areas illustrates successful collaboration between university and rural health settings. Part of the Intercampus Graduate Studies program of the University of California--San Francisco School of Nursing and the University of California--San Diego School of Medicine, the model…

  13. Landscaping of highway medians and roadway safety at unsignalized intersections.

    PubMed

    Chen, Hongyun; Fabregas, Aldo; Lin, Pei-Sung

    2016-05-01

    Well-planted and maintained landscaping can help reduce driving stress, provide better visual quality, and decrease over speeding, thus improving roadway safety. Florida Department of Transportation (FDOT) Standard Index (SI-546) is one of the more demanding standards in the U.S. for landscaping design criteria at highway medians near intersections. The purposes of this study were to (1) empirically evaluate the safety results of SI-546 at unsignalized intersections and (2) quantify the impacts of geometrics, traffic, and landscaping design features on total crashes and injury plus fatal crashes. The studied unsignalized intersections were divided into (1) those without median trees near intersections, (2) those with median trees near intersections that were compliant with SI-546, and (3) those with median trees near intersections that were non-compliant with SI-546. A total of 72 intersections were selected, for which five-year crash data from 2006-2010 were collected. The sites that were compliant with SI-546 showed the best safety performance in terms of the lowest crash counts and crash rates. Four crash predictive models-two for total crashes and two for injury crashes-were developed. The results indicated that improperly planted and maintained median trees near highway intersections can increase the total number of crashes and injury plus fatal crashes at a 90% confidence level; no significant difference could be found in crash rates between sites that were compliant with SI-546 and sites without trees. All other conditions remaining the same, an intersection with trees that was not compliant with SI-546 had 63% more crashes and almost doubled injury plus fatal crashes than those at intersections without trees. The study indicates that appropriate landscaping in highway medians near intersections can be an engineering technology that not only improves roadway environmental quality but also maintains intersection safety. Copyright © 2016. Published by

  14. Research on traffic flow characteristics at signal intersection

    NASA Astrophysics Data System (ADS)

    Zeng, Jun-Wei; Yu, Sen-Bin; Qian, Yong-Sheng; Wei, Xu-Ting; Feng, Xiao; Wang, Hui

    2017-09-01

    Based on the cautious driving behavior and the principle of the vehicles at left-side having priority to pass in the intersection, a two-dimensional cellular automata model for planar signalized intersection (NS-STCA) is established. The different turning vehicles are regarded as the research objects and the effect of the left-turn probability, signal cycle, vehicle flow density on traffic flow at the intersection is investigated.

  15. Simulation Study of Traffic Flow At a Three Way Intersection

    DTIC Science & Technology

    1988-09-01

    INTERSECTION by Chong Chul Song September 1988 Thesis Advisor: Peter A. W. Lewis Approved for public release; distribution is unlimited i~ K...II Title (Include security classification) SIMULATION STUDY OF TRAFFIC FLOW AT A THREE WAY INTERSECTION 12 Personal Author(s) Chong Chul Song 13a...distribution is unlimited. Simulation Study of Traffic Flow at a Three Way Intersection by Chong Chul Song Major, Republic Of Korea Army B.S., Korea

  16. Motorcycle and scooter speeds approaching urban intersections.

    PubMed

    Walton, D; Buchanan, J

    2012-09-01

    Five urban, uncontrolled T-intersections known to be motorcycle crash 'black spots' were monitored using instrumentation and a roadside observer. Two sets of twelve-hour observations were collected for each site (N≈100,000). Instrumentation recorded the 'events' of vehicles passing to measure, speed, direction, lane position, vehicle type (broadly characterised) and headway. Observers further recorded times of bicycle events, type of motorcycle (scooters or motorcycles), the behaviour of motorcycles and the use of 'high conspicuity' gear such as clothing or helmets. Results establish that motorcycles travel around 10% faster than the other traffic (car mean speed=34.97 km/h), with motorcycles travelling on average 3.3 km/h faster than cars. Motorcycles were 3.4 times more likely to be exceeding the speed limit than cars. Similar results are described for scooters. Also examined are the influences on mean speeds such as the time of day, the presence of a car at the t-intersection, and the influence of free headway. The results are compared for robustness across locations and days. It is concluded that in urban areas motorcycles are travelling significantly faster than other traffic. These findings are discussed against a concern to reduce motorcycle crashes by improving conspicuity and previous research that implicates a 'looked-but-failed-to-see' effect for car drivers. Copyright © 2012 Elsevier Ltd. All rights reserved.

  17. The Rural School Principalship: Unique Challenges, Opportunities.

    ERIC Educational Resources Information Center

    Hill, Jonathan

    1993-01-01

    Presents findings based on author's research and experience as principal in California's Mojave Desert. Five basic characteristics distinguish the rural principalship: lack of an assistant principal or other support staff; assumption of other duties, including central office tasks, teaching, or management of another site; less severe student…

  18. Overcoming the Triad of Rural Health Disparities: How Local Culture, Lack of Economic Opportunity, and Geographic Location Instigate Health Disparities

    ERIC Educational Resources Information Center

    Thomas, Tami L.; DiClemente, Ralph; Snell, Samuel

    2014-01-01

    Objective: To discuss how the effects of culture, economy, and geographical location intersect to form a gestalt triad determining health-related disparities in rural areas. Methods: We critically profile each component of the deterministic triad in shaping current health-related disparities in rural areas; evaluate the uniquely composed…

  19. Overcoming the Triad of Rural Health Disparities: How Local Culture, Lack of Economic Opportunity, and Geographic Location Instigate Health Disparities

    ERIC Educational Resources Information Center

    Thomas, Tami L.; DiClemente, Ralph; Snell, Samuel

    2014-01-01

    Objective: To discuss how the effects of culture, economy, and geographical location intersect to form a gestalt triad determining health-related disparities in rural areas. Methods: We critically profile each component of the deterministic triad in shaping current health-related disparities in rural areas; evaluate the uniquely composed…

  20. On the connectivity of seams of conical intersection: seam curvature.

    PubMed

    Yarkony, David R

    2005-11-22

    The seam of conical intersection of two electronic states is said to be curved when the span of the basis vectors describing the branching plane varies along the seam. In this work degenerate perturbation theory is used to determine an approximately diabatic Hamiltonian that can reliably reproduce the potential-energy surfaces in the vicinity of a point of conical intersection. This Hamiltonian provides a rigorous description of seam curvature, and a means for obtaining the full (N(int)-2)-dimensional seam of conical intersection connected to a point of conical intersection.

  1. The Role of Intersection Space Segments in Photochemical Reactions

    SciTech Connect

    Castano, Obis; Sancho, Unai; Garavelli, Marco; Olivucci, Massimo; Frutos, Luis Manuel

    2007-12-26

    We analyze here the role of the intersection space in the photochemistry of some organic compounds and how the topological properties of this space affect the mechanism of the photochemical reaction. This mechanism is related to the accessibility of different reaction paths in the relaxation in the ground state once the system reaches the intersection space (i.e. a conical intersection). It is proved that sometimes, even in the photochemistry of small organic molecules, the complete analysis of the intersection space is necessary for the correct computational prediction of the chemical mechanism and the formed photoproducts underlying the photoinduced reaction.

  2. 43. Historic American Buildings Survey L. C. Durette, Photographer INTERSECTION ...

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

    43. Historic American Buildings Survey L. C. Durette, Photographer INTERSECTION OF SUMMER BEAM & CHIMNEY GIRT #4 ATTIC FLOOR - Doe Garrison, Lamprey River & Great Bay, Newmarket, Rockingham County, NH

  3. 45. Historic American Buildings Survey L. C. Durette, Photographer INTERSECTION ...

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

    45. Historic American Buildings Survey L. C. Durette, Photographer INTERSECTION OF SUMMER BEAM & CHIMNEY GIRT #2, ATTIC FLOOR - Doe Garrison, Lamprey River & Great Bay, Newmarket, Rockingham County, NH

  4. 44. Historic American Buildings Survey L. C. Durette, Photographer INTERSECTION ...

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

    44. Historic American Buildings Survey L. C. Durette, Photographer INTERSECTION OF SUMMER BEAM & CHIMNEY GIRT #4, ATTIC FLOOR - Doe Garrison, Lamprey River & Great Bay, Newmarket, Rockingham County, NH

  5. New results of intersection numbers on moduli spaces of curves

    PubMed Central

    Liu, Kefeng; Xu, Hao

    2007-01-01

    We present a series of results we obtained recently about the intersection numbers of tautological classes on moduli spaces of curves, including a simple formula of the n-point functions for Witten's τ classes, an effective recursion formula to compute higher Weil–Petersson volumes, several new recursion formulae of intersection numbers and our proof of a conjecture of Itzykson and Zuber concerning denominators of intersection numbers. We also present Virasoro and KdV properties of generating functions of general mixed κ and ψ intersections. PMID:17702863

  6. New results of intersection numbers on moduli spaces of curves.

    PubMed

    Liu, Kefeng; Xu, Hao

    2007-08-28

    We present a series of results we obtained recently about the intersection numbers of tautological classes on moduli spaces of curves, including a simple formula of the n-point functions for Witten's tau classes, an effective recursion formula to compute higher Weil-Petersson volumes, several new recursion formulae of intersection numbers and our proof of a conjecture of Itzykson and Zuber concerning denominators of intersection numbers. We also present Virasoro and KdV properties of generating functions of general mixed kappa and psi intersections.

  7. Rural Education.

    ERIC Educational Resources Information Center

    Rouk, Ullik, Ed.

    1991-01-01

    This journal issue is devoted to the theme topic "Rural Education." The first article, "Science is Everywhere," by Chris Taylor, presents a project which uses local experts as an integral part of the school's science curriculum. "Better Teachers, Better Readers" by Scott Steen describes a system of strategic reading used in rural Wisconsin school…

  8. Rural Agrobusiness.

    ERIC Educational Resources Information Center

    Treillon, Roland; And Others

    1992-01-01

    This publication describes the formation and evolution of rural agribusiness (RA) in the southern hemisphere as a precondition for improving the lives of families in rural communities, and focuses on RA endeavors created by development projects in Latin America, the Caribbean, and Africa. After a short introduction, the first section of this study…

  9. Rural adolescent health: the importance of prevention services in the rural community.

    PubMed

    Curtis, Alexa C; Waters, Catherine M; Brindis, Claire

    2011-01-01

    Adolescence is a pivotal developmental period for the establishment of positive health and health practices. However, developmentally propelled risk behaviors coinciding with barriers to health services may increase the propensity for untoward health outcomes in adolescence. In addition, the sociocultural context of the rural environment can present challenges to the health of adolescents. Limited data on rural adolescent health, particularly among population subgroups, hinder the ability to adequately advocate for adolescent health prevention services. A secondary analysis of the 2005 California Health Interview Survey Adolescent questionnaire was conducted. Selected survey items corresponding to the Healthy Youth 2010 objectives were analyzed for 663 adolescents aged 12-17 residing in rural regions of California. Adolescent subgroup analysis included race/ethnicity, age, and poverty level. Adolescent health issues of particular concern in this study include sexual health, substance use, mental health, and risk factors for obesity. Predictably, risk behaviors increase with the age of the adolescent. Minority and poor youth demonstrate the greatest vulnerability to untoward health outcomes. Significant risk behaviors and health concerns exist among the rural adolescent population, particularly among poor and minority youth, arguing for the creation and preservation of prevention services for youth in the rural community. Future research using alternative sampling methodologies may be necessary to adequately represent the higher-risk adolescent in the rural community. More data are needed on vulnerable adolescent populations in the rural community in order to adequately advocate for prevention services. © 2010 National Rural Health Association.

  10. Career Goals and Decisions: An Intersectionality Approach

    NASA Astrophysics Data System (ADS)

    Bardon, Emma

    This project explores the career paths to date of seven graduates of the University of Waterloo's Mechanical Engineering program, and examines the influences that led them to choose their university program. I particularly considered the participants' status as members of underrepresented or overrepresented groups, using the contexts of the history of the profession of Mechanical Engineering and prior research on underrepresentation in Science, Technology, Engineering, and Mathematics fields. I used semi-structured interviews and an intersectionality framework to investigate aspects of identity, interests, and career influences. I found three key themes among the participants: human influences, including information sources, role models, and mentors; influences of educational and outreach activities; and personal interests and aptitudes. I use the uncovered themes to recommend a combination of future studies and outreach programs.

  11. The CERN intersecting storage rings (ISR)

    NASA Astrophysics Data System (ADS)

    Hübner, Kurt

    2012-03-01

    The CERN Intersecting Storage Rings (ISR) was the first facility ever built providing colliding hadron beams. It mainly operated with protons with beam energies of 15 to 31 GeV. The ISR was conceived in the years 1960 to 1964 and was approved in 1965. It came into operation at the beginning of 1971 and was decommissioned as a collider in 1983. A number of accelerator technologies have been either much improved or developed at the ISR which subsequently have become enabling technologies for a number of hadron storage rings and large colliders. Prominent examples of such technologies are ultra-high vacuum technology, beam diagnostics based on Schottky signals and stochastic cooling. The experiences obtained with the ISR were later exploited at the proton-antiproton facility in the CERN SPS, the Tevatron at Fermilab, the RHIC at Brookhaven and, finally, by the LHC at CERN.

  12. Threat detection system for intersection collision avoidance

    NASA Astrophysics Data System (ADS)

    Jocoy, Edward H.; Pierowicz, John A.

    1998-01-01

    Calspan SRL Corporation is currently developing an on- vehicle threat detection system for intersection collision avoidance (ICA) as part of its ICA program with the National Highway Transportation Safety Administration. Crash scenarios were previously defined and an on-board radar sensor was designed. This paper describes recent efforts that include the development of a simulation of a multitarget tracker and collision avoidance algorithm used to predict system performance in a variety of target configurations in the various ICA crash scenarios. In addition, a current headway radar was mounted on the Calspan Instrumented Vehicle and in-traffic data were recorded for two limited crash scenarios. Warning functions were developed through the simulation and applied to the recorded data.

  13. Intersecting circuits generate precisely patterned retinal waves.

    PubMed

    Akrouh, Alejandro; Kerschensteiner, Daniel

    2013-07-24

    The developing retina generates spontaneous glutamatergic (stage III) waves of activity that sequentially recruit neighboring ganglion cells with opposite light responses (ON and OFF RGCs). This activity pattern is thought to help establish parallel ON and OFF pathways in downstream visual areas. The circuits that produce stage III waves and desynchronize ON and OFF RGC firing remain obscure. Using dual patch-clamp recordings, we find that ON and OFF RGCs receive sequential excitatory input from ON and OFF cone bipolar cells (CBCs), respectively. This input sequence is generated by crossover circuits, in which ON CBCs control glutamate release from OFF CBCs via diffusely stratified inhibitory amacrine cells. In addition, neighboring ON CBCs communicate directly and indirectly through lateral glutamatergic transmission and gap junctions, both of which are required for wave initiation and propagation. Thus, intersecting lateral excitatory and vertical inhibitory circuits give rise to precisely patterned stage III retinal waves.

  14. Domestic Violence among the Black Poor: Intersectionality and Social Justice

    ERIC Educational Resources Information Center

    Conwill, William Louis

    2010-01-01

    There are striking gender, race, and class variations in rates of domestic violence. Some leading family theorists called for an intersectional analysis of how gender, race and class systems interact to improve domestic violence theory. This article improves domestic violence theory by: 1) using the discourse, or language, of intersectionality; 2)…

  15. The Intersection of Gender and Age: An Exploration

    ERIC Educational Resources Information Center

    Gander, Michelle

    2014-01-01

    The understanding of gender inequality for women entering work has not been subject to significant research or theorizing. This small study indicated that young women entering the workplace are subject to direct discrimination and by using an intersectionality approach this paper proposes that the intersection of gender and young age results in…

  16. Domestic Violence among the Black Poor: Intersectionality and Social Justice

    ERIC Educational Resources Information Center

    Conwill, William Louis

    2010-01-01

    There are striking gender, race, and class variations in rates of domestic violence. Some leading family theorists called for an intersectional analysis of how gender, race and class systems interact to improve domestic violence theory. This article improves domestic violence theory by: 1) using the discourse, or language, of intersectionality; 2)…

  17. VIEW OF DATE DRIVE, FROM INTERSECTION WITH BIRCH CIRCLE, WITH ...

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

    VIEW OF DATE DRIVE, FROM INTERSECTION WITH BIRCH CIRCLE, WITH FACILITY 809 ON LEFT, 816 ON RIGHT. NOTE THE MANY DATE PALMS. VIEW FACING NORTHWEST - Camp H.M. Smith and Navy Public Works Center Manana Title VII (Capehart) Housing, Intersection of Acacia Road and Brich Circle, Pearl City, Honolulu County, HI

  18. VIEW FROM ATOP ADJACENT RESIDENTIAL TOWER, SHOWING INTERSECTION OF ACACIA ...

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

    VIEW FROM ATOP ADJACENT RESIDENTIAL TOWER, SHOWING INTERSECTION OF ACACIA ROAD WITH BIRCH CIRCLE. VIEW FACING NORTHEAST - Camp H.M. Smith and Navy Public Works Center Manana Title VII (Capehart) Housing, Intersection of Acacia Road and Brich Circle, Pearl City, Honolulu County, HI

  19. VIEW OF BIRCH CIRCLE FROM ITS INTERSECTION WITH CEDAR DRIVE, ...

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

    VIEW OF BIRCH CIRCLE FROM ITS INTERSECTION WITH CEDAR DRIVE, ON THE MARINE SIDE OF THE NEIGHBORHOOD. RESIDENTIAL TOWER VISIBLE ON FAR RIGHT. VIEW FACING EAST - Camp H.M. Smith and Navy Public Works Center Manana Title VII (Capehart) Housing, Intersection of Acacia Road and Brich Circle, Pearl City, Honolulu County, HI

  20. 3. VIEW OF WHITE ROCK ROAD FROM THE INTERSECTION OF ...

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

    3. VIEW OF WHITE ROCK ROAD FROM THE INTERSECTION OF HIDDEN RIVER WAY (LEFT FOREGROUND) TOWARD ELEVATED INTERSECTION WITH LATROBE ROAD (AT RIGHT HORIZON); VIEW TO SOUTHWEST. - Placerville Road, White Rock Road between Clarksville & White Rock, El Dorado Hills, El Dorado County, CA

  1. Alternative Strategies for Using Intersection Cuts in Integer Programming.

    DTIC Science & Technology

    In a previous paper the author introduced a new cutting plane for integer programming, generated from the intersection of n halflines originating at...polytope whose interior contains no feasible vertex of K. Hence C can be used to generate intersection cuts that are obviously stronger than the ones considered earlier. (Author)

  2. The Intersection of Gender and Age: An Exploration

    ERIC Educational Resources Information Center

    Gander, Michelle

    2014-01-01

    The understanding of gender inequality for women entering work has not been subject to significant research or theorizing. This small study indicated that young women entering the workplace are subject to direct discrimination and by using an intersectionality approach this paper proposes that the intersection of gender and young age results in…

  3. Calculating the Self-Intersections of Bezier Curves.

    DTIC Science & Technology

    1988-03-01

    Bezier Curves,*Spline Curves: Intersection, Self- Intersection 20. A81T RACT (Continue an revee side if necesavy and identify by bleck nmber1...Darmrstadt FRG Wolfgang Schwarz Reinhold Klass Jakob-Stefan-Str. 12 Daimler-Benz AG 6500 Mainz FRG AMht AIDK 0932 Sindelfmngen FRG W. Strasser Diete

  4. Intersection of Three Planes Revisited--An Algebraic Approach

    ERIC Educational Resources Information Center

    Trenkler, Götz; Trenkler, Dietrich

    2017-01-01

    Given three planes in space, a complete characterization of their intersection is provided. Special attention is paid to the case when the intersection set does not exist of one point only. Besides the vector cross product, the tool of generalized inverse of a matrix is used extensively.

  5. AERIAL VIEW OF FOURLEVEL INTERCHANGE AT INTERSECTION OF ARROYO SECO ...

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

    AERIAL VIEW OF FOUR-LEVEL INTERCHANGE AT INTERSECTION OF ARROYO SECO PARKWAY AND HIGHWAY 101, HOLLYWOOD FREEWAY. ARROYO SECO PARKWAY ON LOWER LEVEL FROM LOWER LEFT TO UPPER RIGHT. LOOKING NORTH - Four Level Interchange, Intersection of Arroyo Seco Parkway & Harbor, Hollywood, & Santa Ana Freeways (milepost 23.69), Los Angeles, Los Angeles County, CA

  6. AERIAL VIEW OF FOURLEVEL INTERCHANGE AT INTERSECTION OF ARROYO SECO ...

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

    AERIAL VIEW OF FOUR-LEVEL INTERCHANGE AT INTERSECTION OF ARROYO SECO PARKWAY AND HIGHWAY 101, HOLLYWOOD FREEWAY. ARROYO SECO PARKWAY ON LOWER LEVEL AT CENTER. HIGHWAY 101 AT BOTTOM. CAESAR CHAVEZ AVENUE AT CENTER. LOOKING NE - Four Level Interchange, Intersection of Arroyo Seco Parkway & Harbor, Hollywood, & Santa Ana Freeways (milepost 23.69), Los Angeles, Los Angeles County, CA

  7. Intersectionality and the Canadian Museum for Human Rights

    ERIC Educational Resources Information Center

    Dhamoon, Rita Kaur; Hankivsky, Olena

    2015-01-01

    In this commentary, the authors propose than an intersectionality perspective can transform understandings of the contentious content of the Canadian Museum for Human Rights (CMHR). The use of an intersectionality perspective starts from the position that such discourses as racialization, gendering, capitalism, and ableism are mutually…

  8. Intersection of Three Planes Revisited--An Algebraic Approach

    ERIC Educational Resources Information Center

    Trenkler, Götz; Trenkler, Dietrich

    2017-01-01

    Given three planes in space, a complete characterization of their intersection is provided. Special attention is paid to the case when the intersection set does not exist of one point only. Besides the vector cross product, the tool of generalized inverse of a matrix is used extensively.

  9. Tell Us How It Was: Stories of Rural Elders Preserved by Rural Youth.

    ERIC Educational Resources Information Center

    Rural School and Community Trust, Washington, DC.

    This publication compiles oral histories preserved by rural students around the country and provides teachers with information and resources for developing oral history projects. The first five sections were written by the students and teachers of (1) Anderson Valley Junior/Senior High School, Boonville, California; (2) Edcouch-Elsa High School,…

  10. Analyzing angle crashes at unsignalized intersections using machine learning techniques.

    PubMed

    Abdel-Aty, Mohamed; Haleem, Kirolos

    2011-01-01

    A recently developed machine learning technique, multivariate adaptive regression splines (MARS), is introduced in this study to predict vehicles' angle crashes. MARS has a promising prediction power, and does not suffer from interpretation complexity. Negative Binomial (NB) and MARS models were fitted and compared using extensive data collected on unsignalized intersections in Florida. Two models were estimated for angle crash frequency at 3- and 4-legged unsignalized intersections. Treating crash frequency as a continuous response variable for fitting a MARS model was also examined by considering the natural logarithm of the crash frequency. Finally, combining MARS with another machine learning technique (random forest) was explored and discussed. The fitted NB angle crash models showed several significant factors that contribute to angle crash occurrence at unsignalized intersections such as, traffic volume on the major road, the upstream distance to the nearest signalized intersection, the distance between successive unsignalized intersections, median type on the major approach, percentage of trucks on the major approach, size of the intersection and the geographic location within the state. Based on the mean square prediction error (MSPE) assessment criterion, MARS outperformed the corresponding NB models. Also, using MARS for predicting continuous response variables yielded more favorable results than predicting discrete response variables. The generated MARS models showed the most promising results after screening the covariates using random forest. Based on the results of this study, MARS is recommended as an efficient technique for predicting crashes at unsignalized intersections (angle crashes in this study). Copyright © 2010 Elsevier Ltd. All rights reserved.

  11. Tracer Flux Balance at an Urban Canyon Intersection

    NASA Astrophysics Data System (ADS)

    Carpentieri, Matteo; Robins, Alan G.

    2010-05-01

    Despite their importance for pollutant dispersion in urban areas, the special features of dispersion at street intersections are rarely taken into account by operational air quality models. Several previous studies have demonstrated the complex flow patterns that occur at street intersections, even with simple geometry. This study presents results from wind-tunnel experiments on a reduced scale model of a complex but realistic urban intersection, located in central London. Tracer concentration measurements were used to derive three-dimensional maps of the concentration field within the intersection. In combination with a previous study (Carpentieri et al., Boundary-Layer Meteorol 133:277-296, 2009) where the velocity field was measured in the same model, a methodology for the calculation of the mean tracer flux balance at the intersection was developed and applied. The calculation highlighted several limitations of current state-of-the-art canyon dispersion models, arising mainly from the complex geometry of the intersection. Despite its limitations, the proposed methodology could be further developed in order to derive, assess and implement street intersection dispersion models for complex urban areas.

  12. Helping Students Understand Intersectionality: Reflections from a Dialogue Project in Residential Life

    ERIC Educational Resources Information Center

    Claros, Sharon Chia; Garcia, Gina A.; Johnston-Guerrero, Marc P.; Mata, Christine

    2017-01-01

    In this chapter, the authors share insights from a dialogue project focused on intersectionality within a residential life setting and discuss additional strategies for helping students understand intersectionality.

  13. Component evolution in general random intersection graphs

    SciTech Connect

    Bradonjic, Milan; Hagberg, Aric; Hengartner, Nick; Percus, Allon G

    2010-01-01

    We analyze component evolution in general random intersection graphs (RIGs) and give conditions on existence and uniqueness of the giant component. Our techniques generalize the existing methods for analysis on component evolution in RIGs. That is, we analyze survival and extinction properties of a dependent, inhomogeneous Galton-Watson branching process on general RIGs. Our analysis relies on bounding the branching processes and inherits the fundamental concepts from the study on component evolution in Erdos-Renyi graphs. The main challenge becomes from the underlying structure of RIGs, when the number of offsprings follows a binomial distribution with a different number of nodes and different rate at each step during the evolution. RIGs can be interpreted as a model for large randomly formed non-metric data sets. Besides the mathematical analysis on component evolution, which we provide in this work, we perceive RIGs as an important random structure which has already found applications in social networks, epidemic networks, blog readership, or wireless sensor networks.

  14. California Special Education Eligibility: Analysis of Trends from 2002-2010

    ERIC Educational Resources Information Center

    Welty, Suzanne Moore

    2012-01-01

    The purpose of this study was to assess differences in trends between 13 special education diagnostic eligibility categories over time in California. A secondary purpose was to determine whether differences occur among county types (rural, urban, or other) or between regions (Northern or Southern California). Analysis of descriptive statistics…

  15. California Special Education Eligibility: Analysis of Trends from 2002-2010

    ERIC Educational Resources Information Center

    Welty, Suzanne Moore

    2012-01-01

    The purpose of this study was to assess differences in trends between 13 special education diagnostic eligibility categories over time in California. A secondary purpose was to determine whether differences occur among county types (rural, urban, or other) or between regions (Northern or Southern California). Analysis of descriptive statistics…

  16. An efficient quantum scheme for Private Set Intersection

    NASA Astrophysics Data System (ADS)

    Shi, Run-hua; Mu, Yi; Zhong, Hong; Cui, Jie; Zhang, Shun

    2016-01-01

    Private Set Intersection allows a client to privately compute set intersection with the collaboration of the server, which is one of the most fundamental and key problems within the multiparty collaborative computation of protecting the privacy of the parties. In this paper, we first present a cheat-sensitive quantum scheme for Private Set Intersection. Compared with classical schemes, our scheme has lower communication complexity, which is independent of the size of the server's set. Therefore, it is very suitable for big data services in Cloud or large-scale client-server networks.

  17. Inkjet patterning of multiline intersections for wirings in printed electronics.

    PubMed

    Diaz, Elkin; Ramon, Eloi; Carrabina, Jordi

    2013-10-08

    Inkjet printed electronics using thermo-curable liquid inks exhibit particular geometrical characteristics in terms of regularity. This article presents a morphological analysis for inkjet printed multi line intersections that are critical structures for building circuits. We studied thin-film structures of silver conductive ink and printed by inkjet technology. Instability of the ink during printing causes the thickness irregularity of vertex, normally with peaks at these areas. We propose the usage of specific patterns for intersections as thickness regularity compensations. The results show that some patterns help to reduce this instability and improve the thickness regularity of intersections morphology.

  18. Calabi-Yau metrics for quotients and complete intersections

    DOE PAGES

    Braun, Volker; Brelidze, Tamaz; Douglas, Michael R.; ...

    2008-05-22

    We extend previous computations of Calabi-Yau metrics on projective hypersurfaces to free quotients, complete intersections, and free quotients of complete intersections. In particular, we construct these metrics on generic quintics, four-generation quotients of the quintic, Schoen Calabi-Yau complete intersections and the quotient of a Schoen manifold with Z₃ x Z₃ fundamental group that was previously used to construct a heterotic standard model. Various numerical investigations into the dependence of Donaldson's algorithm on the integration scheme, as well as on the Kähler and complex structure moduli, are also performed.

  19. Low-income households and energy use in California

    SciTech Connect

    Vine, E.L.; Gold, S.J.

    1985-03-01

    This report examines the relationship between energy consumption and income with a particular emphasis on low-income households in California. The low-income population constitutes 10 to 20% of California's population, and almost 20% of these people live in the rural areas of California. While home energy use (primary electricity and natural gas) and payments of low-income households are less than those of other income groups, the former's ''payment burden'' (fraction of income spent on home energy) is as much as 350% greater than the burden for high-income households.

  20. Detail of door and gable treatment, looking northeast at intersection ...

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

    Detail of door and gable treatment, looking northeast at intersection of East Wing (Wing 1) and central core - Hospital for Sick Children, 1731 Bunker Hill Road, Northeast, Washington, District of Columbia, DC

  1. 3. AERIAL VIEW OF PIER, LOOKING SOUTHWEST, WITH INTERSECTION OF ...

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

    3. AERIAL VIEW OF PIER, LOOKING SOUTHWEST, WITH INTERSECTION OF PACIFIC COAST HIGHWAY AND MAIN STREET IN FOREGROUND - Huntington Beach Municipal Pier, Pacific Coast Highway at Main Street, Huntington Beach, Orange County, CA

  2. Vision-based pedestrian behavior analysis at intersections

    NASA Astrophysics Data System (ADS)

    Shirazi, Mohammad Shokrolah; Morris, Brendan Tran

    2016-09-01

    This work presents a vision-based data collection system for pedestrian behavior analysis at intersections that include crossing counts, waiting time, crossing speed, and facility utilization. The tracking system uses contextual fusion of motion and appearance cues to more reliably track pedestrians during stop-and-go movements at intersections. Moreover, the pedestrian tracking system is improved through cooperation of two different tracking algorithms: bipartite graph match and optical flow algorithms. The performance of the proposed system is evaluated separately at the detection and tracking steps followed by behavior analyses of pedestrians for three different intersection videos of Las Vegas. The experimental results show the efficiency of the proposed system and intersection utilization is depicted through heat maps.

  3. 12. Intersection of Pierce and Spring streets, looking south from ...

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

    12. Intersection of Pierce and Spring streets, looking south from the east side of Pierce Street. - East Greenwich, Roughly bounded by Division, Water, London, & Peirce Streets, East Greenwich, Kent County, RI

  4. 3. View facing west from the intersection of Harris and ...

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

    3. View facing west from the intersection of Harris and Kinsley avenues showing the Silvertop Diner, Providence Fruit & Produce Building, and Merchants' Cold Storage Warehouse. - Provisions Warehouse Historic District, Kinsley & Harris Avenues, Providence, Providence County, RI

  5. 5. VIEW EAST NORTHEAST OF BUILDING 21, INTERSECTION OF HANCOCK ...

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

    5. VIEW EAST NORTHEAST OF BUILDING 21, INTERSECTION OF HANCOCK AND RAILROAD AVENUES; BUILDING 18 IS AT EXTREME RIGHT OF PHOTOGRAPH - Bryant Electric Company, 1421 State Street, Bridgeport, Fairfield County, CT

  6. INTERSECTION OF 445 NORTH & 1040 EAST, SALT LAKE CITY, ...

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

    INTERSECTION OF 445 NORTH & 1040 EAST, SALT LAKE CITY, UT. VIEW LOOKING SOUTH. REPHOTOGRAPH OF HISTORIC SHIPLER PHOTO # 18272, UTAH STATE HISTORICAL SOCIETY COLLECTION. - Salt Lake City Cemetery, 200 N Street, Salt Lake City, Salt Lake County, UT

  7. Litghospheric stress near a ridge-transform intersection

    NASA Astrophysics Data System (ADS)

    Phipps, Jason; Parmentier, Morgan; Parmentier, E. M.

    1984-02-01

    Oceanic lithosphere at a ridge-tgransform intersection has distinct structural characteristics. The spreading axis and normal fault scarps, which parallel the ridge axis away fromm the intersection, locally curve towards the transform fault. This implies that the lest compressive stress direction becomes oblique to the spreading direction near a ridge-transform intersection. This stress field may be the result of a tensile ridge axis stress resisting plate separation and transform sher stress resisting relative plate motion. A plane stress plate model with prescribed plate boundary stresses is formulated to explore this hypothesis. The orientation of the least compressive horizontal stress near an intersection depends strongly on the ratio of the applied boundary stresses. Thus ridge axis curvature may place an important constraint on plate boundary forces.

  8. 6. ELEVATED, OBLIQUE VIEW OF INTERSECTION INFRASTRUCTURE AT LATROBE ROAD ...

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

    6. ELEVATED, OBLIQUE VIEW OF INTERSECTION INFRASTRUCTURE AT LATROBE ROAD AND WHITE ROCK ROAD; VIEW TO SOUTHWEST. - Placerville Road, White Rock Road between Clarksville & White Rock, El Dorado Hills, El Dorado County, CA

  9. VIEW OF THE INTERSECTION OF JULIAN AVE AND MONTHAN STREET. ...

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

    VIEW OF THE INTERSECTION OF JULIAN AVE AND MONTHAN STREET. THE WATERS OF THE PEARL HARBOR CHANNEL ARE IN THE BACKGROUND AT LEFT. VIEW FACING NORTH. - Hickam Field, Hickam Historic Housing, Honolulu, Honolulu County, HI

  10. Vehicular traffic flow at a non-signalized intersection

    NASA Astrophysics Data System (ADS)

    Ebrahim Foulaadvand, M.; Belbasi, Somayyeh

    2007-07-01

    We have developed a modified Nagel Schreckenberg cellular automata model for describing a conflicting vehicular traffic flow at the intersection of two streets. No traffic lights control the traffic flow. The approaching cars to the intersection yield to each other to avoid collision. Closed boundary condition is applied to the streets. Extensive Monte Carlo simulation is taken into account to find the model characteristics. In particular, we obtain the fundamental diagrams and show that the effect of the interaction of two streets can be regarded as a dynamic impurity located at the intersection point. Our results suggest that yielding mechanism gives rise to a high total flow throughout the intersection especially in the low density regime.

  11. Looking southeast from intersection of Idaho Avenue and Line Street ...

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

    Looking southeast from intersection of Idaho Avenue and Line Street showing north end and west front - University of Idaho, University Classroom Building, Line Street between University Avenue & Idaho Avenue, Moscow, Latah County, ID

  12. 7. FRONT VIEW OF THE BUILDING FROM THE INTERSECTION OF ...

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

    7. FRONT VIEW OF THE BUILDING FROM THE INTERSECTION OF SHELBY AND MADISON STREETS - Phoenix Hill Historic District, Ohio Falls Dye & Finishing Works Building, 731-733 East Madison Street, Louisville, Jefferson County, KY

  13. 20. VIEW TO EAST. NEAR SOUTHWEST INTERSECTION OF RANDOLPH AND ...

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

    20. VIEW TO EAST. NEAR SOUTHWEST INTERSECTION OF RANDOLPH AND WABASH. PROFILE WEST PLATFORM AND SOUTHWEST STAIRCASE. NEWS STAND IN FOREGROUND. - Union Elevated Railroad, Randolph-Wabash Avenue Station, Randolph Street & Wabash Avenue, Chicago, Cook County, IL

  14. Old Big Oak Flat Road at intersection with New Tioga ...

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

    Old Big Oak Flat Road at intersection with New Tioga Road. Note gate for road to Tamarack Campground - Big Oak Flat Road, Between Big Oak Flat Entrance & Merced River, Yosemite Village, Mariposa County, CA

  15. 7. INTERIOR OF SOUTH SPAN: DETAIL OF UPPER CHORD INTERSECTION ...

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

    7. INTERIOR OF SOUTH SPAN: DETAIL OF UPPER CHORD INTERSECTION WITH SWAY BRACING, VERTICALS, AND DIAGONALS; LOOKING NORTHWEST - Shaw Farm Bridge, Spanning Chippewa River at County Trunk Highway E, Island Lake, Rusk County, WI

  16. 213. 'SAFTEY FLARED INTERSECTION' NEAR COLLINGWOOD, 1932. ORIGINAL CAPTION READ ...

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

    213. 'SAFTEY FLARED INTERSECTION' NEAR COLLINGWOOD, 1932. ORIGINAL CAPTION READ ''STREAMLINING' THE MOVEMENT OF HIGH SPEED MODERN TRAFFIC. - George Washington Memorial Parkway, Along Potomac River from McLean to Mount Vernon, VA, Mount Vernon, Fairfax County, VA

  17. 11. AERIAL VIEW OF 'SAFETY FLARED' INTERSECTION AT RIVERSIDE PICNIC ...

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

    11. AERIAL VIEW OF 'SAFETY FLARED' INTERSECTION AT RIVERSIDE PICNIC AREA LOOKING EAST. - George Washington Memorial Parkway, Along Potomac River from McLean to Mount Vernon, VA, Mount Vernon, Fairfax County, VA

  18. 30. AERIAL VIEW OF 'SAFETY FLARED' INTERSECTION OF GWMP AND ...

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

    30. AERIAL VIEW OF 'SAFETY FLARED' INTERSECTION OF GWMP AND COLLINGWOOD ROAD LOOKING NORTHWEST. - George Washington Memorial Parkway, Along Potomac River from McLean to Mount Vernon, VA, Mount Vernon, Fairfax County, VA

  19. View of intersection with west wall of north wing and ...

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

    View of intersection with west wall of north wing and north wall of west wing; camera facing southeast. - Mare Island Naval Shipyard, Marine Prison, Suisun Avenue, west side between Mesa Road & San Pablo, Vallejo, Solano County, CA

  20. Perspective, environmental view looking from the intersection of West Lanvale ...

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

    Perspective, environmental view looking from the intersection of West Lanvale Street and North Carrollton Avenue - Reformed Episcopal Church of the Rock of Ages, 1210 West Lanvale Street, Baltimore, Independent City, MD

  1. General view of Flanders Field Cemetery & Memorial from intersection ...

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

    General view of Flanders Field Cemetery & Memorial from intersection of Wortegemseweg and Flanders-Fieldweg, looking east/northeast. - Flanders Field American Cemetery & Memorial, Wortegemseweg 117, Waregem, West Flanders (Belgium)

  2. 38. AERIAL VIEW APPROACHING INTERSECTION WITH BELLE VIEW BLVD. LOOKING ...

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

    38. AERIAL VIEW APPROACHING INTERSECTION WITH BELLE VIEW BLVD. LOOKING NORTH. - George Washington Memorial Parkway, Along Potomac River from McLean to Mount Vernon, VA, Mount Vernon, Fairfax County, VA

  3. 7. View at intersection of Weybosset and Westminster streets, facing ...

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

    7. View at intersection of Weybosset and Westminster streets, facing southwest towards Turk's Head Building. - Downtown Providence, Roughley bounded by Woonasquatucket River, Providence River, Interstate Highway 195, & Interstate Highway 95, Providence, Providence County, RI

  4. FACING SOUTHWEST OF NORTHEASTERN CORNER OF PARK FROM INTERSECTION OF ...

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

    FACING SOUTHWEST OF NORTHEASTERN CORNER OF PARK FROM INTERSECTION OF TERRACE AVENUE AND CLIFTON ROAD - Candler Park Historic District, Roughly bounded by Moreland, Dekalb, McLendon & Harold Avenues, Matthews Street & Clifton Terrace, Atlanta, Fulton County, GA

  5. Panoramic view from the intersection of Flower and Chapman looking ...

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

    Panoramic view from the intersection of Flower and Chapman looking west ( Views 11,12,13 complete 360 degree Panoramic) - National Home for Disabled Volunteer Soldiers, Marion Branch, 1700 East 38th Street, Marion, Grant County, IN

  6. Panoramic view from the intersection of Flower and Chapman looking ...

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

    Panoramic view from the intersection of Flower and Chapman looking southwest ( Views 11,12,13 complete 360 degree Panoramic) - National Home for Disabled Volunteer Soldiers, Marion Branch, 1700 East 38th Street, Marion, Grant County, IN

  7. Panoramic view from the intersection of Flower and Chapman looking ...

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

    Panoramic view from the intersection of Flower and Chapman looking northeast ( Views 11,12,13 complete 360 degree Panoramic) - National Home for Disabled Volunteer Soldiers, Marion Branch, 1700 East 38th Street, Marion, Grant County, IN

  8. 52. Photocopy of photograph of intersection of Hohman and State ...

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

    52. Photocopy of photograph of intersection of Hohman and State (1894), photographer unknown (original located in Calumet Room, Hammond Public Library, 564 State Street, Hammond, Indiana 46320. (219) 931-5100. - Indiana Hotel, 5116 Hohman Avenue, Hammond, Lake County, IN

  9. Guideline for modeling carbon monoxide from roadway intersections

    SciTech Connect

    DiCristofaro, D.C.

    1992-11-01

    The guideline is designed to evaluate air quality impacts at one or more roadway intersections where vehicular traffic will cause or contribute to increased emissions of carbon monoxide (CO). The explicit purpose of the guideline is to provide a consistent, scientifically acceptable method for estimating the air quality impacts of vehicular traffic at intersections to determine if such impacts may exceed the National Ambient Air Quality Standards (NAAQS) for CO.

  10. Decentralized Attitude Estimation Using a Quaternion Covariance Intersection Approach

    NASA Astrophysics Data System (ADS)

    Crassidis, John L.; Cheng, Yang; Nebelecky, Christopher K.; Fosbury, Adam M.

    2009-01-01

    This paper derives an approach to combine estimates and covariances for decentralized attitude estimation using a quaternion parameterization. The approach is based on the covariance intersection method, which is modified to maintain quaternion normalization in the combination process. A practical simulation result is provided where local extended Kaiman filters are used on two star trackers, each running with common gyro measurements. The covariance intersection approach is shown to provide more accurate estimates than either of the local filters.

  11. Complicating Counterspaces: Intersectionality and the Michigan Womyn's Music Festival.

    PubMed

    McConnell, Elizabeth A; Todd, Nathan R; Odahl-Ruan, Charlynn; Shattell, Mona

    2016-06-01

    The counterspaces framework articulated by Case and Hunter (2012), follows from community psychology's long-standing interest in the potential for settings to promote well-being and liberatory responses to oppression. This framework proposes that certain settings (i.e., "counterspaces") facilitate a specific set of processes that promote the well-being of marginalized groups. We argue that an intersectional analysis is crucial to understand whether and how counterspaces achieve these goals. We draw from literature on safe spaces and present a case study of the Michigan Womyn's Music Festival (Michfest) to illustrate the value of an intersectional analysis and explore how these processes operate. Based on 20 in-person interviews, 23 responses to an online survey, and ethnographic field notes, we show how Michfest was characterized by a particular intersection of identities at the setting level, and intersectional diversity complicated experiences at the individual level. Moreover, intersectional identities provided opportunities for dialogue and change at the setting level, including the creation of counterspaces within counterspaces. Overall, we demonstrate the need to attend to intersectionality in counterspaces, and more broadly in how we conceptualize settings in community psychology. © Society for Community Research and Action 2016.

  12. NOx profile around a signalized intersection of busy roadway

    NASA Astrophysics Data System (ADS)

    Kim, Kyung Hwan; Lee, Seung-Bok; Woo, Sung Ho; Bae, Gwi-Nam

    2014-11-01

    The NOx pollution profile around a signalized intersection of a busy roadway was investigated to understand the effect of traffic control on urban air pollution. Traffic flow patterns were classified into three categories of quasi-cruising, a combination of deceleration and acceleration, and a combination of deceleration, idling, and acceleration. The spatial distribution of air pollution levels around an intersection could be represented as a quasi-normal distribution, whose peak height was aggravated by increased emissions due to transient driving patterns. The peak concentration of NOx around the signalized intersection for the deceleration, idling, and acceleration category was five times higher than that for the quasi-cruising category. Severe levels of NOx pollution tailed off approximately 400 m from the center of the intersection. Approximately 200-1000 ppb of additional NOx was observed when traffic was decelerating, idling, and accelerating within the intersection zone, resulting in high exposure levels for pedestrians around the intersection. We propose a fluctuating horizontal distribution of motor vehicle-induced air pollutants as a function of time.

  13. Intersecting surface defects and two-dimensional CFT

    NASA Astrophysics Data System (ADS)

    Gomis, Jaume; Le Floch, Bruno; Pan, Yiwen; Peelaers, Wolfger

    2017-08-01

    We initiate the study of intersecting surface operators/defects in 4D quantum field theories (QFTs). We characterize these defects by coupled 4D/2D/0D theories constructed by coupling the degrees of freedom localized at a point and on intersecting surfaces in spacetime to each other and to the 4D QFT. We construct supersymmetric intersecting surface defects preserving just two supercharges in N =2 gauge theories. These defects are amenable to exact analysis by localization of the partition function of the underlying 4D/2D/0D QFT. We identify the 4D/2D/0D QFTs that describe intersecting surface operators in N =2 gauge theories realized by intersecting M2 branes ending on N M5 branes wrapping a Riemann surface. We conjecture and provide evidence for an explicit equivalence between the squashed four-sphere partition function of these intersecting defects and correlation functions in Liouville/Toda CFT with the insertion of arbitrary degenerate vertex operators, which are labeled by two representations of S U (N ).

  14. Rural Aging

    MedlinePlus

    ... parts of the country. Populations of older adults increase by level of rurality: Source: Geographic Comparison Tables 0103 and 0104 , 2011-2015 American Community Survey 5-Year Estimates This map, based on 2010 Census Data, shows the percent of the population over 65 ...

  15. Rural Services.

    ERIC Educational Resources Information Center

    Miller, Jon, Ed.; And Others

    Presented are 10 papers resulting from a workshop, involving representatives from 33 state developmental disabilities councils, designed to examine common problems and issues confronting developmentally disabled citizens in rural areas. Entries include the following titles and authors: "Who, What, and Where--Studying Prevalence of Developmental…

  16. Disparities in Health Indicators for Latinas in California.

    ERIC Educational Resources Information Center

    Baezconde-Garbanati, Lourdes; Portillo, Carmen J.; Garbanati, James Allen

    1999-01-01

    Analyzes health indicators for Latinas in rural and urban California. Discusses Latina demographics; causes of death; life expectancy; and profiles for breast cancer, cervical cancer, heart disease, diabetes, and AIDS. Examines Latina risk factors: poverty, high dropout rates, lack of health insurance, obesity, physical inactivity, low levels of…

  17. California Bus Aid Still in Budget Cross Hairs

    ERIC Educational Resources Information Center

    Fleming, Nora

    2012-01-01

    California legislators swiftly passed a budget bill last week aimed at sheltering school busing dollars from a midyear budget cut many districts and advocates said particularly hurt rural school systems, along with urban districts with desegregation plans. While the measure, which Gov. Jerry Brown was expected to sign into law, would restore $248…

  18. California Bus Aid Still in Budget Cross Hairs

    ERIC Educational Resources Information Center

    Fleming, Nora

    2012-01-01

    California legislators swiftly passed a budget bill last week aimed at sheltering school busing dollars from a midyear budget cut many districts and advocates said particularly hurt rural school systems, along with urban districts with desegregation plans. While the measure, which Gov. Jerry Brown was expected to sign into law, would restore $248…

  19. Disparities in Health Indicators for Latinas in California.

    ERIC Educational Resources Information Center

    Baezconde-Garbanati, Lourdes; Portillo, Carmen J.; Garbanati, James Allen

    1999-01-01

    Analyzes health indicators for Latinas in rural and urban California. Discusses Latina demographics; causes of death; life expectancy; and profiles for breast cancer, cervical cancer, heart disease, diabetes, and AIDS. Examines Latina risk factors: poverty, high dropout rates, lack of health insurance, obesity, physical inactivity, low levels of…

  20. Evaluation of California Human Development Corporation Workplace Literacy Program.

    ERIC Educational Resources Information Center

    Kissam and Associates, Sebastopol, CA.

    This is an evaluation report of the California Human Development Corporation (CHDC) Rural Workplace Literacy Project targeting migrant farmworkers. The program provided bilingual instruction in 15 worksites tailored to job-related literacy needs. Evaluation data were gathered through interviews, test results, observation, and an in-class…

  1. A Persistent Disparity: Smoking in Rural Sexual and Gender Minorities

    PubMed Central

    Bennett, Keisa; McElroy, Jane A.; Johnson, Andrew O.; Munk, Niki; Everett, Kevin D.

    2014-01-01

    Purpose Sexual and gender minorities (SGM) smoke cigarettes at higher rates than the general population. Historically, research in SGM health issues was conducted in urban populations and recent population-based studies seldom have sufficient SGM participants to distinguish urban from rural. Given that rural populations also tend to have a smoking disparity, and that many SGM live in rural areas, it is vitally important to understand the intersection of rural residence, SGM identity, and smoking. This study analyzes the patterns of smoking in urban and rural SGM in a large sample. Methods We conducted an analysis of 4280 adult participants in the Out, Proud, and Healthy project with complete data on SGM status, smoking status, and zip code. Surveys were conducted at 6 Missouri Pride Festivals and online in 2012. Analysis involved descriptive and bivariate methods, and multivariable logistic regression. We used GIS mapping to demonstrate the dispersion of rural SGM participants. Results SGM had higher smoking proportion than the non-SGM recruited from these settings. In the multivariable model, SGM identity conferred 1.35 times the odds of being a current smoker when controlled for covariates. Rural residence was not independently significant, demonstrating the persistence of the smoking disparity in rural SGM. Mapping revealed widespread distribution of SGM in rural areas. Conclusion The SGM smoking disparity persists among rural SGM. These communities would benefit from continued research into interventions targeting both SGM and rural tobacco control measures. Recruitment at Pride Festivals may provide a venue for reaching rural SGM for intervention. PMID:26000317

  2. Unique expansions and intersections of Cantor sets

    NASA Astrophysics Data System (ADS)

    Baker, Simon; Kong, Derong

    2017-04-01

    To each α \\in (1/3,1/2) we associate the Cantor set Γα:={∑i=1∞ɛiαi:ɛi∈{0,1}, i⩾1}. In this paper we consider the intersection {{ Γ }α}{\\cap}≤ft({{ Γ }α}+t\\right) for any translation t\\in {R} . We pay special attention to those t with a unique {‑1, 0, 1} α-expansion, and study the set Dα:={dimH(Γα∩(Γα+t)):t has a unique {‑1,0,1} α-expansion}. We prove that there exists a transcendental number {αKL}≈ 0.394 33\\ldots such that: {{D}α} is finite for α \\in ≤ft({αKL},1/2\\right), {{D}{αKL}}} is infinitely countable, and {{D}α} contains an interval for α \\in ≤ft(1/3,{{αKL}\\right). We also prove that {{D}α} equals ≤ft[0,\\frac{log 2}{-log α}\\right] if and only if α \\in ≤ft(1/3,\\frac{3-\\sqrt{5}}{2}\\right] . As a consequence of our investigation we prove some results on the possible values of \\text{di}{{\\text{m}}H}≤ft({{ Γ }α}{\\cap}≤ft({{ Γ }α}+t\\right)\\right) when {{ Γ }α}{\\cap}≤ft({{ Γ }α}+t\\right) is a self-similar set. We also give examples of t with a continuum of {‑1, 0, 1} α-expansions for which we can explicitly calculate \\text{di}{{\\text{m}}H}≤ft({{ Γ }α}{\\cap}≤ft({{ Γ }α}+t\\right)\\right), and for which {{ Γ }α}{\\cap}≤ft({{ Γ }α}+t\\right) is a self-similar set. We also construct α and t for which {{ Γ }α}{\\cap}≤ft({{ Γ }α}+t\\right) contains only transcendental numbers. Our approach makes use of digit frequency arguments and a lexicographic characterisation of those t with a unique {‑1, 0, 1} α-expansion.

  3. The Petrol Station and the Internet Cafe: Rural Technospaces for Youth.

    ERIC Educational Resources Information Center

    Laegran, Anne Sofie

    2002-01-01

    A study in two Norwegian villages focused on the local gas station and the Internet cafe as "technospaces" for rural youth cultures--spaces at the intersection of technology and human interaction. The car and the Internet were given different symbolic and utility values in various youth subcultures. Local contexts influenced technology…

  4. The Petrol Station and the Internet Cafe: Rural Technospaces for Youth.

    ERIC Educational Resources Information Center

    Laegran, Anne Sofie

    2002-01-01

    A study in two Norwegian villages focused on the local gas station and the Internet cafe as "technospaces" for rural youth cultures--spaces at the intersection of technology and human interaction. The car and the Internet were given different symbolic and utility values in various youth subcultures. Local contexts influenced technology…

  5. Rural intentions

    PubMed Central

    Lu, Diane J.; Hakes, Jacquie; Bai, Meera; Tolhurst, Helen; Dickinson, James A.

    2008-01-01

    ABSTRACT OBJECTIVE To investigate the reasons for family medicine graduates’ career choices. DESIGN Qualitative study using focus groups and one-on-one interviews. SETTING University of Calgary in Alberta. PARTICIPANTS Seventeen male and female second-year family medicine residents, representing a range of ages and areas of origin, enrolled in the 2004 urban and rural south streams of the family medicine residency program at the University of Calgary. METHOD During the final month of training, 2 focus groups were conducted to determine graduating students’ career choices and the reasons for them. After focus-group data were analyzed, a questionnaire was constructed and subsequently administered to participants during face-to-face or telephone interviews. MAIN FINDINGS Most residents initially planned to do urban locums in order to gain experience. In the long term, they planned to open practices in urban areas for lifestyle and family reasons. Many residents from the rural stream had no long-term plans to establish rural practices. Most residents said they felt prepared for practice, but many indicated that an optional third year of paid training, with an emphasis on emergency medicine, obstetrics, and pediatrics, would be desirable. Reasons cited for not practising in rural areas were related to workload, lifestyle issues, family obligations, and perceived lack of medical support in the community. Only 4 female graduates and 1 male graduate intended to practise obstetrics. The main reason residents gave for this was inadequate training in obstetrics during residency. Finances were cited as a secondary reason for many choices, and might in fact be more important than at first apparent. CONCLUSION Despite its intention to recruit family medicine graduates to rural areas and to obstetrics, the University of Calgary residency training program was not successful in recruiting physicians to these areas. The program likely needs to re-examine the effectiveness of

  6. Integrated rural energy planning

    SciTech Connect

    El Mahgary, Y.; Biswas, A.K.

    1985-01-01

    This book presents papers on integrated community energy systems in developing countries. Topics considered include an integrated rural energy system in Sri Lanka, rural energy systems in Indonesia, integrated rural food-energy systems and technology diffusion in India, bringing energy to the rural sector in the Philippines, the development of a new energy village in China, the Niaga Wolof experimental rural energy center, designing a model rural energy system for Nigeria, the Basaisa village integrated field project, a rural energy project in Tanzania, rural energy development in Columbia, and guidelines for the planning, development and operation of integrated rural energy projects.

  7. Cadres for Rural Schools.

    ERIC Educational Resources Information Center

    Iagofarova, D. S.

    1990-01-01

    Considers qualities required of rural teachers in the USSR and implications for teacher education. Reports survey results of 430 rural teachers in the Tatar region concerning what a rural teacher must know and problems specific to rural teaching. Concludes that rural teachers must coordinate teaching with social work and face housing and material…

  8. Rural Prairie Women.

    ERIC Educational Resources Information Center

    Conrad, Kari

    "Rural Prairie Women" contains the work of two task forces: the Rural Social Work Task Force which looked at the forces active in North Dakota rural areas and the Rural Women Task Force which examined the position of women within those same rural communities. The relationship between the land, small towns, and sparse population is…

  9. Rural as Context.

    ERIC Educational Resources Information Center

    Howley, Craig B.; Howley, Aimee A.

    This essay explains two ways in which "the rural" serves as context. The common way interprets the rural lifeworld as an impediment to certain projects and goals, thus framing "the rural" as a subjugated and diminished reality. The other way is called "the rural circumstance" in order to situate the rural lifeworld as…

  10. Rural Prairie Women.

    ERIC Educational Resources Information Center

    Conrad, Kari

    "Rural Prairie Women" contains the work of two task forces: the Rural Social Work Task Force which looked at the forces active in North Dakota rural areas and the Rural Women Task Force which examined the position of women within those same rural communities. The relationship between the land, small towns, and sparse population is…

  11. Mediterranean California, Chapter 13

    Treesearch

    M.E. Fenn; E.B. Allen; L.H. Geiser

    2011-01-01

    The Mediterranean California ecoregion (CEC 1997; Fig 2.2) encompasses the greater Central Valley, Sierra foothills, and central coast ranges of California south to Mexico and is bounded by the Pacific Ocean, Sierra Nevada Mountains and Mojave Desert.

  12. California Bioresources Alliance Symposia

    EPA Pesticide Factsheets

    Past and upcoming events and infromation from the California Bioresources Alliance Symposium, focusing on management of organic residuals in California including manure, biosolids, food waste, agricultural wastes, green waste and wood waste.

  13. Hayward Fault, California Interferogram

    NASA Image and Video Library

    2000-08-17

    This image of California Hayward fault is an interferogram created using a pair of images taken by ESA ERS-1 and ERS-2 in June 1992 and September 1997 over the central San Francisco Bay in California.

  14. Exploring the promises of intersectionality for advancing women's health research.

    PubMed

    Hankivsky, Olena; Reid, Colleen; Cormier, Renee; Varcoe, Colleen; Clark, Natalie; Benoit, Cecilia; Brotman, Shari

    2010-02-11

    Women's health research strives to make change. It seeks to produce knowledge that promotes action on the variety of factors that affect women's lives and their health. As part of this general movement, important strides have been made to raise awareness of the health effects of sex and gender. The resultant base of knowledge has been used to inform health research, policy, and practice. Increasingly, however, the need to pay better attention to the inequities among women that are caused by racism, colonialism, ethnocentrism, heterosexism, and able-bodism, is confronting feminist health researchers and activists. Researchers are seeking new conceptual frameworks that can transform the design of research to produce knowledge that captures how systems of discrimination or subordination overlap and "articulate" with one another. An emerging paradigm for women's health research is intersectionality. Intersectionality places an explicit focus on differences among groups and seeks to illuminate various interacting social factors that affect human lives, including social locations, health status, and quality of life. This paper will draw on recently emerging intersectionality research in the Canadian women's health context in order to explore the promises and practical challenges of the processes involved in applying an intersectionality paradigm. We begin with a brief overview of why the need for an intersectionality approach has emerged within the context of women's health research and introduce current thinking about how intersectionality can inform and transform health research more broadly. We then highlight novel Canadian research that is grappling with the challenges in addressing issues of difference and diversity. In the analysis of these examples, we focus on a largely uninvestigated aspect of intersectionality research - the challenges involved in the process of initiating and developing such projects and, in particular, the meaning and significance of social

  15. Exploring the promises of intersectionality for advancing women's health research

    PubMed Central

    2010-01-01

    Women's health research strives to make change. It seeks to produce knowledge that promotes action on the variety of factors that affect women's lives and their health. As part of this general movement, important strides have been made to raise awareness of the health effects of sex and gender. The resultant base of knowledge has been used to inform health research, policy, and practice. Increasingly, however, the need to pay better attention to the inequities among women that are caused by racism, colonialism, ethnocentrism, heterosexism, and able-bodism, is confronting feminist health researchers and activists. Researchers are seeking new conceptual frameworks that can transform the design of research to produce knowledge that captures how systems of discrimination or subordination overlap and "articulate" with one another. An emerging paradigm for women's health research is intersectionality. Intersectionality places an explicit focus on differences among groups and seeks to illuminate various interacting social factors that affect human lives, including social locations, health status, and quality of life. This paper will draw on recently emerging intersectionality research in the Canadian women's health context in order to explore the promises and practical challenges of the processes involved in applying an intersectionality paradigm. We begin with a brief overview of why the need for an intersectionality approach has emerged within the context of women's health research and introduce current thinking about how intersectionality can inform and transform health research more broadly. We then highlight novel Canadian research that is grappling with the challenges in addressing issues of difference and diversity. In the analysis of these examples, we focus on a largely uninvestigated aspect of intersectionality research - the challenges involved in the process of initiating and developing such projects and, in particular, the meaning and significance of social

  16. Distribution of neutralizing antibodies to California and Bunyamwera serogroup viruses in horses and rodents in California.

    PubMed

    Campbell, G L; Reeves, W C; Hardy, J L; Eldridge, B F

    1990-03-01

    Neutralization tests were done on sera from 141 horses from high elevation regions of California. Antibody prevalences to Jamestown Canyon, snowshoe hare, and California encephalitis viruses in the California serogroup and Northway virus in the Bunyamwera serogroup were 55%, 43%, 18%, and 46%, respectively. In 51 horses from rural low elevation regions, seroprevalences were 31%, 35%, 35%, and 37%, respectively. Twenty-four horses from a suburban lowland area were seronegative, except for a single horse with a low titer to snowshoe hare virus. Seroprevalence to Jamestown Canyon and snowshoe hare viruses was associated with increasing age. Only 2 of 177 rodents from the Sierra Nevada had antibodies to Northway virus; none had antibodies to Jamestown Canyon or snowshoe hare viruses.

  17. Modeling Driver Behavior near Intersections in Hidden Markov Model

    PubMed Central

    Li, Juan; He, Qinglian; Zhou, Hang; Guan, Yunlin; Dai, Wei

    2016-01-01

    Intersections are one of the major locations where safety is a big concern to drivers. Inappropriate driver behaviors in response to frequent changes when approaching intersections often lead to intersection-related crashes or collisions. Thus to better understand driver behaviors at intersections, especially in the dilemma zone, a Hidden Markov Model (HMM) is utilized in this study. With the discrete data processing, the observed dynamic data of vehicles are used for the inference of the Hidden Markov Model. The Baum-Welch (B-W) estimation algorithm is applied to calculate the vehicle state transition probability matrix and the observation probability matrix. When combined with the Forward algorithm, the most likely state of the driver can be obtained. Thus the model can be used to measure the stability and risk of driver behavior. It is found that drivers’ behaviors in the dilemma zone are of lower stability and higher risk compared with those in other regions around intersections. In addition to the B-W estimation algorithm, the Viterbi Algorithm is utilized to predict the potential dangers of vehicles. The results can be applied to driving assistance systems to warn drivers to avoid possible accidents. PMID:28009838

  18. Modeling Driver Behavior near Intersections in Hidden Markov Model.

    PubMed

    Li, Juan; He, Qinglian; Zhou, Hang; Guan, Yunlin; Dai, Wei

    2016-12-21

    Intersections are one of the major locations where safety is a big concern to drivers. Inappropriate driver behaviors in response to frequent changes when approaching intersections often lead to intersection-related crashes or collisions. Thus to better understand driver behaviors at intersections, especially in the dilemma zone, a Hidden Markov Model (HMM) is utilized in this study. With the discrete data processing, the observed dynamic data of vehicles are used for the inference of the Hidden Markov Model. The Baum-Welch (B-W) estimation algorithm is applied to calculate the vehicle state transition probability matrix and the observation probability matrix. When combined with the Forward algorithm, the most likely state of the driver can be obtained. Thus the model can be used to measure the stability and risk of driver behavior. It is found that drivers' behaviors in the dilemma zone are of lower stability and higher risk compared with those in other regions around intersections. In addition to the B-W estimation algorithm, the Viterbi Algorithm is utilized to predict the potential dangers of vehicles. The results can be applied to driving assistance systems to warn drivers to avoid possible accidents.

  19. Numerical simulations of Mach stem formation via intersecting bow shocks

    NASA Astrophysics Data System (ADS)

    Hansen, E. C.; Frank, A.; Hartigan, P.; Yirak, K.

    2015-12-01

    Hubble Space Telescope observations show bright knots of Hα emission within outflowing young stellar jets. Velocity variations in the flow create secondary bow shocks that may intersect and lead to enhanced emission. When the bow shocks intersect at or above a certain critical angle, a planar shock called a Mach stem is formed. These shocks could produce brighter Hα emission since the incoming flow to the Mach stem is parallel to the shock normal. In this paper we report first results of a study using 2-D numerical simulations designed to explore Mach stem formation at the intersection of bow shocks formed by hypersonic ;bullets; or ;clumps;. Our 2-D simulations show how the bow shock shapes and intersection angles change as the adiabatic index γ changes. We show that the formation or lack of a Mach stem in our simulations is consistent with the steady-state Mach stem formation theory. Our ultimate goal, which is part of an ongoing research effort, is to characterize the physical and observational consequences of bow shock intersections including the formation of Mach stems.

  20. PowerSet: A Comprehensive Visualization of Set Intersections.

    PubMed

    Alsallakh, Bilal; Ren, Liu

    2017-01-01

    When analyzing a large amount of data, analysts often define groups over data elements that share certain properties. Using these groups as the unit of analysis not only reduces the data volume, but also allows detecting various patterns in the data. This involves analyzing intersection relations between these groups, and how the element attributes vary between these intersections. This kind of set-based analysis has various applications in a variety of domains, due to the generic and powerful notion of sets. However, visualizing intersections relations is challenging because their number grows exponentially with the number of sets. We present a novel technique based on Treemaps to provide a comprehensive overview of non-empty intersections in a set system in a scalable way. It enables gaining insight about how elements are distributed across these intersections as well as performing fine-grained analysis to explore and compare their attributes both in overview and in detail. Interaction allows querying and filtering these elements based on their set memberships. We demonstrate how our technique supports various use cases in data exploration and analysis by providing insights into set-based data, beyond the limits of state-of-the-art techniques.

  1. California Workforce: California Faces a Skills Gap

    ERIC Educational Resources Information Center

    Public Policy Institute of California, 2011

    2011-01-01

    California's education system is not keeping up with the changing demands of the state's economy--soon, California will face a shortage of skilled workers. Projections to 2025 suggest that the economy will continue to need more and more highly educated workers, but that the state will not be able to meet that demand. If current trends persist,…

  2. Particulate Concentration Levels in Chinatown, Oakland, California

    NASA Astrophysics Data System (ADS)

    Chen, B.; Yeung, A.; Yu, J. F.

    2007-12-01

    Chinatown is located near the center of the busy business district of downtown Oakland, California. It is one of the most inhabited and congested areas in the City of Oakland, averaging 4,000 vehicles and 3,000 pedestrians per hour at a key intersection in the center of the neighborhood. Particles produced by automobiles and construction can settle into the bronchi of lungs and induce asthma attacks, irritate cardiovascular tissue, and possibly lead to lung cancer and death. Particulate pollution is a serious problem that is estimated to cause between 20,000 and 50,000 deaths per year in the US alone. Hence, evaluation of the air quality of the Chinatown neighborhood is important, because it helps to address issues that are of great concern to residents of the area. The primary goal of our project was to measure particulate concentration levels at various intersections in Oakland's Chinatown to determine if the air quality met U.S. EPA standards, and to take note of any trends that may occur over a period of months. We were primarily concerned with particles that are 2.5 micrometers diameter and smaller, as smaller particles are easily inhaled and directly affect the respiratory system. We were interested in identifying any intersections that may have had significantly higher levels than other intersections. Using a map of Chinatown, we chose 12 intersections and made measurements at these points over the course of six months, beginning in February and ending in July of 2007. Particulate matter measurements were made using a FLUKE 893 Particle Counter. Measurements recorded on the first day of our study, February 4, 2007, which was the day of an annual street festival, yielded the highest values for particulate matter concentration in our dataset. This was followed by a significant drop in concentration the following week, and then a gradual increase of concentration as the months progressed. No one location yielded values significantly higher than any other, and

  3. Water use in California

    USGS Publications Warehouse

    Brandt, Justin; Sneed, Michelle; Rogers, Laurel Lynn; Metzger, Loren F.; Rewis, Diane; House, Sally F.

    2014-01-01

    For California, population data used to estimate public water-supply use comes from Urban Water Management Plans, California Department of Water Resources, California Department of Public Health, and U.S. Environmental Protection Agency data. Population data used to estimate domestic, self-supplied water use came from the difference between the Census population and the public-supply population.

  4. State summaries: California

    USGS Publications Warehouse

    Kohl, S. G.

    2006-01-01

    According to the United States Geological Survey (USGS), California ranked second behind Arizona among the states in nonfuel mineral production during 2005. It accounted for 7% of the US's total. The market value of mineral production for California amounted to $3.7 billion. During the year, California produced 30 varieties of industrial minerals. The nonfuel minerals came from 820 active mines.

  5. California: San Francisco Bay

    Atmospheric Science Data Center

    2014-05-15

    article title:  Northern California and San Francisco Bay     ... 17, 2000 (MISR) and August 25, 1997 (AirMISR) - Northern California and the San Francisco Bay. project:  MISR ... date:  Aug 17, 2000 Images:  California San Francisco Bay location:  United States ...

  6. California Burn Scars

    Atmospheric Science Data Center

    2014-05-15

    article title:  Burn Scars Across Southern California     ... California between October 21 and November 18, 2003. Burn scars and vegetation changes wrought by the fires are illustrated in these ... and Nov 18, 2003 Images:  California Burn Scars location:  United States region:  ...

  7. Rural Domestic Violence

    MedlinePlus

    ... higher in rural areas. These factors include: the geography of rural areas facilitates the kind of isolation ... differ for rural and urban women. Community-level barriers to enforce civil protective orders exist for women ...

  8. Rural Health Disparities

    MedlinePlus

    ... Health Gateway Evidence-based Toolkits Rural Health Models & Innovations Supporting Rural Community Health Tools for Success Am ... Update of the Rural-Urban Chartbook Highlights current trends and disparities across different levels of metro- and ...

  9. National Rural Health Association

    MedlinePlus

    ... and Roster NRHA Past Presidents NRHA Leadership Constituency Groups History of Rural Health History of Rural Health Globalization Urban Bias Dependency Theory Political Economy History of Rural Health IV: '60s ...

  10. Practical Private Set Intersection Protocols with Linear Complexity

    NASA Astrophysics Data System (ADS)

    de Cristofaro, Emiliano; Tsudik, Gene

    The constantly increasing dependence on anytime-anywhere availability of data and the commensurately increasing fear of losing privacy motivate the need for privacy-preserving techniques. One interesting and common problem occurs when two parties need to privately compute an intersection of their respective sets of data. In doing so, one or both parties must obtain the intersection (if one exists), while neither should learn anything about other set elements. Although prior work has yielded a number of effective and elegant Private Set Intersection (PSI) techniques, the quest for efficiency is still underway. This paper explores some PSI variations and constructs several secure protocols that are appreciably more efficient than the state-of-the-art.

  11. The field theory of intersecting D3-branes

    NASA Astrophysics Data System (ADS)

    Mintun, Eric; Polchinski, Joseph; Sun, Sichun

    2015-08-01

    We examine the defect gauge theory on two perpendicular D3-branes with a 1+1 dimensional intersection, consisting of U(1) fields on the D3-branes and charged hypermultiplets on the intersection. We argue that this gauge theory must have a magnetically charged soliton corresponding to the D-string stretched between the branes. We show that the hypermultiplets actually source magnetic as well as electric fields. The magnetic charges are confined if the hypermultiplet action is canonical, but considerations of periodicity of the hypermultiplet space in string theory imply a nontrivial Gibbons-Hawking metric, and we show that there is then the expected magnetic kink solution. The hypermultiplet metric has a singularity, which we argue must be resolved by embedding in the full string theory. Another interesting feature is that the classical field equations have logarithmic divergences at the intersection, which lead to a classical renormalization group flow in the action.

  12. Beyond dichotomies: Gender and intersecting inequalities in climate change studies.

    PubMed

    Djoudi, Houria; Locatelli, Bruno; Vaast, Chloe; Asher, Kiran; Brockhaus, Maria; Basnett Sijapati, Bimbika

    2016-12-01

    Climate change and related adaptation strategies have gender-differentiated impacts. This paper reviews how gender is framed in 41 papers on climate change adaptation through an intersectionality lens. The main findings show that while intersectional analysis has demonstrated many advantages for a comprehensive study of gender, it has not yet entered the field of climate change and gender. In climate change studies, gender is mostly handled in a men-versus-women dichotomy and little or no attention has been paid to power and social and political relations. These gaps which are echoed in other domains of development and gender research depict a 'feminization of vulnerability' and reinforce a 'victimization' discourse within climate change studies. We argue that a critical intersectional assessment would contribute to unveil agency and emancipatory pathways in the adaptation process by providing a better understanding of how the differential impacts of climate change shape, and are shaped by, the complex power dynamics of existing social and political relations.

  13. Dynamical Outcomes of Quenching: Reflections on a Conical Intersection

    NASA Astrophysics Data System (ADS)

    Lehman, Julia H.; Lester, Marsha I.

    2014-04-01

    This review focuses on experimental studies of the dynamical outcomes following collisional quenching of electronically excited OH A2Σ+ radicals by molecular partners. The experimental observables include the branching between reactive and nonreactive decay channels, kinetic energy release, and quantum state distributions of the products. Complementary theoretical investigations reveal regions of strong nonadiabatic coupling, known as conical intersections, which facilitate the quenching process. The dynamical outcomes observed experimentally are connected to the local forces and geometric properties of the nuclei in the conical intersection region. Dynamical calculations for the benchmark OH-H2 system are in good accord with experimental observations, demonstrating that the outcomes reflect the strong coupling in the conical intersection region as the system evolves from the excited electronic state to quenched products.

  14. Ion transport through a T-intersection of nanofluidic channels.

    PubMed

    Daiguji, Hirofumi; Adachi, Takuma; Tatsumi, Naoya

    2008-08-01

    Ion transport through a T-intersection of two silica nanochannels (a main channel, 5-mum long and 30-nm wide, and a subchannel, 5-microm long and 15-nm wide) with a surface charge distribution was investigated based on continuum dynamics calculations. The surface charge within 250 nm of the intersection in the main channel and the entire subchannel was positive and that in the main channel outside this intersection region was negative. This nanofluidic system is analogous to a p-n-p transistor. The calculation results revealed that, by adjusting the electric potentials at the ends of the nanochannels, the ionic current could be (1) cut off, (2) regulated in the main channel, (3) diverged into the main and subchannels, (4) turned from the main channel to the subchannel, and (5) merged into the subchannel. A series connection of this nanofluidic system can therefore be used in biotechnological applications for electrophoretic separation and for sorting of ions and biomolecules.

  15. Thermal Analysis of the European XFEL Intersection Control Rack

    NASA Astrophysics Data System (ADS)

    Concha, P.; Vazquez, C.

    2014-04-01

    The three undulator segments of the European X-ray Free Electron Laser contain a total of 88 intersections cells. Each intersection accommodates a quadrupole magnet on top of a high precision X-Y positioning table, a beam position monitor, four air coil correctors and a phase shifter. The Intersection Control Rack is an electrical cabinet containing the necessary electronics to control both the quadrupole and the phase shifter movements (which are stepper motor based) with a repeatability of less than 1 um and 10 um, respectively. Four different cabinets have been extensively tested to ensure that they meet specifications. These tests include a thermal analysis to study position measurements dependence on the temperature. This paper introduces a description of the thermal issue, analyses the causes and consequences of heating, presents the results of the different tests performed, and concludes the best design and operating conditions to achieve a good performance.

  16. Teleparallel loop quantum cosmology in a system of intersecting branes

    NASA Astrophysics Data System (ADS)

    Sepehri, Alireza; Pradhan, Anirudh; Beesham, Aroonkumar; de Haro, Jaume

    2016-09-01

    Recently, some authors have removed the big bang singularity in teleparallel Loop Quantum Cosmology (LQC) and have shown that the universe may undergo a number of oscillations. We investigate the origin of this type of teleparallel theory in a system of intersecting branes in M-theory in which the angle between them changes with time. This system is constructed by two intersecting anti-D8-branes, one compacted D4-brane and a D3-brane. These branes are built by joining M0-branes which develop in decaying fundamental strings. The compacted D4-brane is located between two intersecting anti-D8 branes and glues to one of them. Our universe is located on the D3 brane which wraps around the D4 brane from one end and sticks to one of the anti-D8 branes from the other one. In this system, there are three types of fields, corresponding to compacted D4 branes, intersecting branes and D3-branes. These fields interact with each other and make the angle between branes oscillate. By decreasing this angle, the intersecting anti-D8 branes approach each other, the D4 brane rolls, the D3 brane wraps around the D4 brane, and the universe contracts. By separating the intersecting branes and increasing the angle, the D4 brane rolls in the opposite direction, the D3 brane separates from it and the expansion branch begins. Also, the interaction between branes in this system gives us the exact form of the relevant Lagrangian for teleparallel LQC.

  17. Intersection Monitor for Traffic-Light-Preemption System

    NASA Technical Reports Server (NTRS)

    Bachelder, Aaron; Foster, Conrad

    2006-01-01

    The figure shows an intersection monitor that is a key subsystem of an emergency traffic-light-preemption system that could be any of the systems described in the three immediately preceding articles and in Systems Would Preempt Traffic Lights for Emergency Vehicles (NPO-30573), NASA Tech Briefs, Vol. 28, No. 10 (October 2004), page 36. This unit is so named because it is installed at an intersection, where it monitors the phases (in the sense of timing) of the traffic lights. The mode of operation of this monitor is independent of the type of traffic-light-controller hardware or software in use at the intersection. Moreover, the design of the monitor is such that (1) the monitor does not, by itself, affect the operation of the traffic- light controller and (2) in the event of a failure of the monitor, the trafficlight controller continues to function normally (albeit without preemption). The monitor is installed in series with the traffic-light controller at an intersection. The control signals of interest are monitored by use of high-impedance taps on affected control lines. These taps are fully isolated and further protected by high-voltage diodes that prevent any voltages or short circuits that arise within the monitor from affecting the controller. The signals from the taps are processed digitally and cleaned up by use of high-speed logic gates, and the resulting data are passed on to other parts of the traffic-light-preemption intersection subsystem. The data are compared continuously with data from vehicles and used to calculate timing for reliable preemption of the traffic lights. The pedestrian crossing at the intersection is also monitored, and pedestrians are warned not to cross during preemption.

  18. California rides the tiger

    SciTech Connect

    Garner, W.L.

    1995-01-01

    Revolutions rarely succeed without a struggle. At the California Public Utilities Commission (CPUC), the move to restructure the state`s electric utility industry is no exception. The stakes are enormous. For starters, annual revenues at the state`s investor-owned electric utilities (IOUs) exceed $18 billion, making up 2 percent of California`s gross state product. Competitively priced electricity is vital to California`s $800-billion-a-year economy, one would think. And with its sweeping restructing plan, the CPUC has found itself riding a tiger, hoping it won`t get swallowed whole in the process.

  19. Turbine component cooling channel mesh with intersection chambers

    DOEpatents

    Lee, Ching-Pang; Marra, John J

    2014-05-06

    A mesh (35) of cooling channels (35A, 35B) with an array of cooling channel intersections (42) in a wall (21, 22) of a turbine component. A mixing chamber (42A-C) at each intersection is wider (W1, W2)) than a width (W) of each of the cooling channels connected to the mixing chamber. The mixing chamber promotes swirl, and slows the coolant for more efficient and uniform cooling. A series of cooling meshes (M1, M2) may be separated by mixing manifolds (44), which may have film cooling holes (46) and/or coolant refresher holes (48).

  20. Phase structure of a single urban intersection: a simulation study

    NASA Astrophysics Data System (ADS)

    Ebrahim Foulaadvand, M.; Fukui, M.; Belbasi, S.

    2010-07-01

    We study the phase structure of a cellular automata model proposed by Belbasi and Foulaadvand to describe the vehicular traffic flow at the intersection of two perpendicular streets. A set of traffic lights operating in a fixed-time scheme controls the traffic flow. A closed boundary condition is applied to the streets, each of which conducts a unidirectional flow. Streets are single-lane and cars cannot turn upon reaching the intersection. Via extensive Monte Carlo simulations it is shown that the model phase diagram consists of ten phases. The flow characteristics in each phase are investigated and the types of phase transitions between phases are specified.

  1. The fuzzy intersection rule in variational analysis with applications

    NASA Astrophysics Data System (ADS)

    Wang, Bingwu

    2006-11-01

    The fuzzy intersection rule for Frechet normal cones in Asplund spaces was established by Mordukhovich and the author using the extremal principle, which appears more convenient to apply in some applications. In this paper, we present a complete discussion of this rule in various aspects. We show that the fuzzy intersection rule is another characterization of the Asplund property of the space. Various applications are considered as well. In particular, a complete set of fuzzy calculus rules for general lower semicontinuous functions are established.

  2. Intersection democracy for winding branes and stabilization of extra dimensions

    NASA Astrophysics Data System (ADS)

    Rador, Tonguç

    2005-08-01

    We show that, in the context of pure Einstein gravity, a democratic principle for intersection possibilities of branes winding around extra dimensions in a given partitioning yield stabilization, while what the observed space follows is matter-like dust evolution. Here democracy is used in the sense that, in a given decimation of extra dimensions, all possible wrappings and hence all possible intersections are allowed. Generally, the necessary and sufficient condition for this is that the dimensionality m of the observed space dimensions obey 3 ⩽ m ⩽ N for N ⩾ 3, where N is the decimation order of the extra dimensions.

  3. An Algorithm to Find the Intersection of Two Convex Polygons

    DTIC Science & Technology

    1993-09-01

    I NSWCDD/TR-93/345/ I AD-A274 722I I I~IIIIIIII IIlllllil llllllllllllili I AN ALGORITHM TO FIND THE INTERSECTION OF TWO CONVEX POLYGONSI I BY ARMIDO...CENTER DAHLGREN DIVISIONmIN A Dahlgren. Virginia 22448-5000 I* • ( 94-01450 I �I 12 0 43 ~~~l NSWCDD/TR-93/345 AN ALGORITHM TO FIND THE...Division (LIO) of the Strike Systems Department. A description of the analysis and software developed to find the intersection of two convex polygons is

  4. Viewing equitable practices through the lens of intersecting identities

    NASA Astrophysics Data System (ADS)

    Lyons, Renée; Dsouza, Nikeetha; Quigley, Cassie

    2016-12-01

    This review explores Archer, Dawson, Seakins, and Wong's "Disorienting, fun or meaningful? Disadvantaged families' experiences of a science museum visit" by examining the analytic frameworks guiding this study. To expand on Archer et al.'s use of feminist post-structuralist theories of identity we draw from the theory of intersectionality to provide a more robust framework for analyzing barriers to engagement within an informal learning space. Our response to this work ends by exploring the types of solutions generated from an intersectionality framework—solutions aimed at transforming institutional programs and practices to create more equitable spaces for learning.

  5. A Rural County Journeys to the Common Core

    ERIC Educational Resources Information Center

    Ceballos, Pansy T.

    2012-01-01

    Small, rural school districts face a special challenge when implementing the next generation of academic standards known as the Common Core State Standards. This is the task facing the instructional consultants with the Tulare County Office of Education. The county, located in central California with its dominant agricultural economy, has 45…

  6. Development of Road Traffic CA Model of 4-Way Intersection to Study Travel Time

    NASA Astrophysics Data System (ADS)

    Lawniczak, Anna T.; di Stefano, Bruno N.

    We describe our development of a road traffic CA (Cellular Automata) model of the four most common types of 4-way intersection (Yield-controlled intersections, Stop-controlled intersections, Signal-controlled intersections, and Roundabout-based intersection). We developed this model to study how these four different types of 4-way intersection affect road traffic flow and congestion in general and “travel time” in particular. In this paper we describe the model and 4WayCA.exe, the traffic simulator software package in which the model has been implemented. We focus in particular on the model abstractions and on the simulator architecture.

  7. Influences of hydraulic gradient, surface roughness, intersecting angle, and scale effect on nonlinear flow behavior at single fracture intersections

    NASA Astrophysics Data System (ADS)

    Li, Bo; Liu, Richeng; Jiang, Yujing

    2016-07-01

    Fluid flow tests were conducted on two crossed fracture models for which the geometries of fracture segments and intersections were measured by utilizing a visualization technique using a CCD (charged coupled device) camera. Numerical simulations by solving the Navier-Stokes equations were performed to characterize the fluid flow at fracture intersections. The roles of hydraulic gradient, surface roughness, intersecting angle, and scale effect in the nonlinear fluid flow behavior through single fracture intersections were investigated. The simulation results of flow rate agreed well with the experimental results for both models. The experimental and simulation results showed that with the increment of the hydraulic gradient, the ratio of the flow rate to the hydraulic gradient, Q/J, decreases and the relative difference of Q/J between the calculation results employing the Navier-Stokes equations and the cubic law, δ, increases. When taking into account the fracture surface roughness quantified by Z2 ranging 0-0.42 for J = 1, the value of δ would increase by 0-10.3%. The influences of the intersecting angle on the normalized flow rate that represents the ratio of the flow rate in a segment to the total flow rate, Ra, and the ratio of the hydraulic aperture to the mechanical aperture, e/E, are negligible when J < 10-3, whereas their values change significantly when J > 10-2. Based on the regression analysis on simulation results, a mathematical expression was proposed to quantify e/E, involving variables of J and Rr, where Rr is the radius of truncating circles centered at an intersection. For E/Rr > 10-2, e/E varies significantly and the scale of model has large impacts on the nonlinear flow behavior through intersections, while for E/Rr < 10-3, the scale effect is negligibly small. Finally, a necessary condition to apply the cubic law to fluid flow through fracture intersections is suggested as J < 10-3, E/Rr < 10-3, and Z2 = 0.

  8. Becoming Black Women: Intimate Stories and Intersectional Identities

    ERIC Educational Resources Information Center

    Wilkins, Amy C.

    2012-01-01

    In this article, I argue that intimate stories are an important resource for the achievement of intersectional identities. Drawing on in-depth interviews with black college students at two predominantly white universities, I examine the stories black college women tell about interracial relationships between black men and white women. I argue that…

  9. View of baseball back stop on sports field at intersection ...

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

    View of baseball back stop on sports field at intersection of South Twenty-Sixth Street and Foothill Avenue. Buildings No. 36, 37, 38, and 35, from to right. Foothill Avenue at center rear. Looking east-northeast - Easter Hill Village, Bordered by South Twenty-sixth Street, South Twenty-eighth Street, Hinkley Avenue, Foothill Avenue & Corto Square, Richmond, Contra Costa County, CA

  10. View of sports field from Easter Hill looking at intersection ...

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

    View of sports field from Easter Hill looking at intersection of South Twenty-Sixth Street and Foothill Avenue at left center rear. Buildings No. 36, 35, 25, 27, and 29, from left to right. Looking northeast - Easter Hill Village, Bordered by South Twenty-sixth Street, South Twenty-eighth Street, Hinkley Avenue, Foothill Avenue & Corto Square, Richmond, Contra Costa County, CA

  11. 12. Readville showing the intersection of the Franklin Branch crossing ...

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

    12. Readville showing the intersection of the Franklin Branch crossing the Northeast Corridor (formerly the Boston & Providence RR) on the bridge; Readville Station to the right of bridge. Readville, Suffolk Co., MA. Sec. 4116, MP 219.41. - Northeast Railroad Corridor, Amtrak Route between RI/MA State Line & South Station, Boston, Suffolk County, MA

  12. 4. VIEW LOOKING WEST DOWN CENTRAL AVENUE AT THE INTERSECTION ...

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

    4. VIEW LOOKING WEST DOWN CENTRAL AVENUE AT THE INTERSECTION WITH SEVENTH STREET. THE PLANT HAS MOST OF THE AMENITIES OF A SMALL TOWN - WATER SUPPLY, WASTE WATER TREATMENT, POLICE FORCE, FIRE DEPARTMENT, FOOD SERVICES, HOSPITAL, COMMUNICATIONS NETWORK, STEAM GENERATION, VEHICLE MAINTENANCE, TRANSPORTATION, AND A GOVERNMENT. - Rocky Flats Plant, Bounded by Indiana Street & Routes 93, 128 & 72, Golden, Jefferson County, CO

  13. 19. PIPELINE INTERSECTION AT THE MOUTH OF WAIKOLU VALLEY ON ...

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

    19. PIPELINE INTERSECTION AT THE MOUTH OF WAIKOLU VALLEY ON THE BEACH. VALVE AT RIGHT (WITH WRENCH NEARBY) OPENS TO FLUSH VALLEY SYSTEM OUT. VALVE AT LEFT CLOSES TO KEEP WATER FROM ENTERING SYSTEM ALONG THE PALI DURING REPAIRS. - Kalaupapa Water Supply System, Waikolu Valley to Kalaupapa Settlement, Island of Molokai, Kalaupapa, Kalawao County, HI

  14. Revisiting Street Intersections Using Slot-Based Systems.

    PubMed

    Tachet, Remi; Santi, Paolo; Sobolevsky, Stanislav; Reyes-Castro, Luis Ignacio; Frazzoli, Emilio; Helbing, Dirk; Ratti, Carlo

    2016-01-01

    Since their appearance at the end of the 19th century, traffic lights have been the primary mode of granting access to road intersections. Today, this centuries-old technology is challenged by advances in intelligent transportation, which are opening the way to new solutions built upon slot-based systems similar to those commonly used in aerial traffic: what we call Slot-based Intersections (SIs). Despite simulation-based evidence of the potential benefits of SIs, a comprehensive, analytical framework to compare their relative performance with traffic lights is still lacking. Here, we develop such a framework. We approach the problem in a novel way, by generalizing classical queuing theory. Having defined safety conditions, we characterize capacity and delay of SIs. In the 2-road crossing configuration, we provide a capacity-optimal SI management system. For arbitrary intersection configurations, near-optimal solutions are developed. Results theoretically show that transitioning from a traffic light system to SI has the potential of doubling capacity and significantly reducing delays. This suggests a reduction of non-linear dynamics induced by intersection bottlenecks, with positive impact on the road network. Such findings can provide transportation engineers and planners with crucial insights as they prepare to manage the transition towards a more intelligent transportation infrastructure in cities.

  15. Intersecting Scapes and New Millennium Identities in Language Learning

    ERIC Educational Resources Information Center

    Higgins, Christina

    2015-01-01

    This paper examines how flows of people, media, money, technology, and ideologies move through the world, with attention to how these scapes (Appadurai 1990, 1996, 2013) shape identity construction among language learners, both in and out of classrooms. After illustrating intersecting scapes in sociolinguistic terms, I explore the relevance of…

  16. Crossroads: Modern Interactive Intersections and Accessible Pedestrian Signals

    ERIC Educational Resources Information Center

    Barlow, Janet M.; Franck, Lukas

    2005-01-01

    This article discusses the interactive nature of modern actuated intersections and the effect of that interface on pedestrians who are visually impaired. Information is provided about accessible pedestrian signals (APS), the role of blindness professionals in APS installation decisions, and techniques for crossing streets with APS.

  17. 35. PHOTOCOPY OF PHOTOGRAPH. VIEW OF ARMORY FROM INTERSECTION OF ...

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

    35. PHOTOCOPY OF PHOTOGRAPH. VIEW OF ARMORY FROM INTERSECTION OF SOUTH 3RD AND EAST WALNUT STREET LOOKING SOUTHWEST CIRCA 1917. THIS IS A COPY OF A POST CARD SIZED PRINT LOANED BY THE YAKIMA VALLEY MUSEUM AND HISTORICAL ASSOCIATION. PHOTOGRAPHER UNKNOWN. - Yakima National Guard Armory, 202 South Third Street, Yakima, Yakima County, WA

  18. Mathematics and Language Intersections for Hispanic Bilingual Students.

    ERIC Educational Resources Information Center

    Kessler, Carolyn

    This paper examines intersections between mathematical and language performance in light of data collected from Hispanic students at varying stages of acquiring English as a second language at school. Emphasis is on aspects of the developing linguistic system as it affects underlying metacognitive processes related to mathematical performance.…

  19. Disciplinarity and Methodology in Intersectionality Theory and Research

    ERIC Educational Resources Information Center

    Syed, Moin

    2010-01-01

    Comments on the original article, "Intersectionality and research in psychology," by E. R. Cole. Cole's article, says the current author, makes a welcome and valuable contribution to the field of psychology. Particularly useful are the three questions that she posed, highlighting how these questions are relevant and pressing for all researchers,…

  20. Wind tunnel measurements of pollutant turbulent fluxes in urban intersections

    NASA Astrophysics Data System (ADS)

    Carpentieri, Matteo; Hayden, Paul; Robins, Alan G.

    2012-01-01

    Wind tunnel experiments have been carried out at the EnFlo laboratory to measure mean and turbulent tracer fluxes in geometries of real street canyon intersections. The work was part of the major DAPPLE project, focussing on the area surrounding the intersection between Marylebone Road and Gloucester Place in Central London, UK. Understanding flow and dispersion in urban streets is a very important issue for air quality management and planning, and turbulent mass exchange processes are important phenomena that are very often neglected in urban modelling studies. The adopted methodology involved the combined use of laser Doppler anemometry and tracer concentration measurements. This methodology was applied to quantify the mean and turbulent flow and dispersion fields within several street canyon intersections. Vertical profiles of turbulent tracer flux were also measured. The technique, despite a number of limitations, proved reliable and allowed tracer balance calculations to be undertaken in the selected street canyon intersections. The experience gained in this work will enable much more precise studies in the future as issues affecting the accuracy of the experimental technique have been identified and resolved.

  1. Using Dynamic Geometry Software for the Intersection Surfaces

    ERIC Educational Resources Information Center

    Koparan, Timur; Yilmaz, Gül Kaleli

    2015-01-01

    The purpose of this study is to define prospective teacher views about using dynamic geometry software for intersection surfaces. The study was conducted as a case study. For this purpose, data collection tool was developed based on the opinion of two experts. The data collection tool consists of 4 open-ended questions related to the intersection…

  2. Design unbiased estimation in line intersect sampling using segmented transects

    Treesearch

    David L.R. Affleck; Timothy G. Gregoire; Harry T. Valentine; Harry T. Valentine

    2005-01-01

    In many applications of line intersect sampling. transects consist of multiple, connected segments in a prescribed configuration. The relationship between the transect configuration and the selection probability of a population element is illustrated and a consistent sampling protocol, applicable to populations composed of arbitrarily shaped elements, is proposed. It...

  3. Intersections of Spirituality, Religion and Gender in Children's Literature

    ERIC Educational Resources Information Center

    Trousdale, Ann M.

    2005-01-01

    This paper explores the intersections of spirituality, religion and gender in contemporary children's books published in the United States. Background for the discussion includes a history of religion in children's literature and the history of women's roles in the Christian tradition. Representative works of realistic fiction--historical and…

  4. DEDRICK DRIVE, LOOKING SOUTH FROM NORTHEAST CORNER OF INTERSECTION OF ...

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

    DEDRICK DRIVE, LOOKING SOUTH FROM NORTHEAST CORNER OF INTERSECTION OF SECOND STREET AND DEDRICK DRIVE - Pacific Coast Torpedo Station, Keyport Industrial District, Both sides of Second Street, between Dedrick Drive and Liberty Bay and one building west of Dedrick Drive and south of Second Street, Keyport, Kitsap County, WA

  5. 1. EXTERIOR VIEW OF HILLSIDE PLANT FROM INTERSECTION OF LINCOLN ...

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

    1. EXTERIOR VIEW OF HILLSIDE PLANT FROM INTERSECTION OF LINCOLN STREET AND 2ND AVENUE. HILLSIDE PLANT WAS BUILT AS CALLAWAY MILLS HILLSIDE COTTON MILL (PARK A. DALLIS, 1914-15). THIS TWO-STORY SECTION WAS BUILT AS A WEAVE SHED. - Hillside Cotton Mill, 1300 Brownwood Avenue, La Grange, Troup County, GA

  6. Intersections of Spirituality, Religion and Gender in Children's Literature

    ERIC Educational Resources Information Center

    Trousdale, Ann M.

    2005-01-01

    This paper explores the intersections of spirituality, religion and gender in contemporary children's books published in the United States. Background for the discussion includes a history of religion in children's literature and the history of women's roles in the Christian tradition. Representative works of realistic fiction--historical and…

  7. Are intersecting staple lines a hazard in intestinal anastomosis?

    PubMed

    Zilling, T; Walther, B S

    1992-09-01

    To determine the safety of intersecting staple lines, 22 pigs were operated upon with a functional end-to-end enteroanastomosis 40 cm distal to the ligament of Treitz using linear stapling devices. The procedure was repeated on the colon, where a colocolostomy was created. The blood flow at intersecting staple lines and single-row staple lines for each anastomosis was studied with the reference organ method 24 hours after the first operation. The purpose was to evaluate whether there is a reduction in blood flow at the site of intersecting staple lines, causing an increased risk for anastomotic leakage. The reduction in mean blood flow in crossing compared with noncrossing staple lines was 6 percent (-5-17 percent) for small bowel anastomoses and 7 percent (-6-19 percent) for colonic anastomoses. An equivalence test showed that, if a reduction in blood flow exists between crossing and noncrossing staple lines, it is most likely less than 30 percent (P less than 0.001) for both small bowel and colonic anastomoses. This experimental study demonstrates that intersecting staple lines in small bowel and colonic anastomoses do not reduce anastomotic blood flow to a dangerous level.

  8. Investigating the Intersection of Race and Histories in the Classroom

    ERIC Educational Resources Information Center

    Martell, Christopher C.

    2012-01-01

    In this practitioner research study, a social studies teacher examined the intersection between his students' race/ethnicity and their experiences learning history. Using the theory of culturally relevant pedagogy as a lens, this study employed mixed methods, analyzing teacher journaling, classroom artifacts, and student reflections, as well as…

  9. Indices of 1-forms, intersection indices, and Newton polyhedra

    NASA Astrophysics Data System (ADS)

    Esterov, A. I.

    2006-08-01

    The intersection indices of a certain kind of analytic set (resultant cycles) are expressed in terms of the Newton polyhedra of the corresponding defining systems of functions, provided that the principal parts of the functions are in general position. Among special cases of resultant cycles are complete intersections and the loci of matrix rank drop. Among special cases of the intersection indices of such sets are the index of a singularity of a Poincaré-Hopf vector field and its generalizations to the case of singular varieties, the index of a system of germs of 1-forms at an isolated singularity of a Gusein-Zade-Ebeling complete intersection, and the Suwa residue of a system of germs of sections of a vector bundle. One also obtains as a consequence the well-known Kushnirenko-Oka formula for the Milnor number of the germ of a map in terms of the Newton polyhedra of its components. A generalization of the well-known equality of the above-mentioned invariants of singularities to the dimensions of certain local rings is also presented.

  10. Becoming Black Women: Intimate Stories and Intersectional Identities

    ERIC Educational Resources Information Center

    Wilkins, Amy C.

    2012-01-01

    In this article, I argue that intimate stories are an important resource for the achievement of intersectional identities. Drawing on in-depth interviews with black college students at two predominantly white universities, I examine the stories black college women tell about interracial relationships between black men and white women. I argue that…

  11. View of northern portion of Mueller property from the intersection ...

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

    View of northern portion of Mueller property from the intersection of East Avenue and Highland Avenue, looking south. North side of the Mueller House visible in the background. Remnants of citrus grove in background. - Ernst Mueller House, 6563 East Avenue, Rancho Cucamonga, San Bernardino County, CA

  12. 8. INTERIOR, EMERGENCY ROOM, NORTHEAST OF MAIN CORRIDOR INTERSECTION (NEAR ...

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

    8. INTERIOR, EMERGENCY ROOM, NORTHEAST OF MAIN CORRIDOR INTERSECTION (NEAR WESTERN, MAIN ENTRY), FROM ENTRY IN NORTHWESTERN CORNER, LOOKING SOUTHEAST. - Oakland Naval Supply Center, Administration Building-Dental Annex-Dispensary, Between E & F Streets, East of Third Street, Oakland, Alameda County, CA

  13. The Intersectional Workings of Whiteness: A Representative Anecdote

    ERIC Educational Resources Information Center

    Zingsheim, Jason; Goltz, Dustin Bradley

    2011-01-01

    In this article, the authors engage critical performance pedagogy scholarship on whiteness to both question and extend two persistent trends in the literature. Although intersectionality is commonly referenced in the literature, the larger impulse underscoring Crenshaw's (1991) concept is often footnoted, tangentially marked, or given mere surface…

  14. Ethnic, Gender and Class Intersections in British Women's Leadership Experiences

    ERIC Educational Resources Information Center

    Showunmi, Victoria; Atewologun, Doyin; Bebbington, Diane

    2016-01-01

    A qualitative study was conducted to examine how gender and ethnicity influenced leadership experiences of a mixed ethnic sample of British women. An intersectional framework was used which took the viewpoint that socio-demographic identities should be considered simultaneously in order to challenge universalist, gender and ethnic neutral…

  15. 1. Intersection of US Route 4 and NH Route 143, ...

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

    1. Intersection of US Route 4 and NH Route 143, showing farmhouse on left, barn at right. Looking east. - Batchelder-Edgerly Farmstead, Barn, U.S. Route 4, southwest side, southeast corner of New Hampshire Route 43, Northwood, Rockingham County, NH

  16. Revisiting Street Intersections Using Slot-Based Systems

    PubMed Central

    Tachet, Remi; Santi, Paolo; Sobolevsky, Stanislav; Reyes-Castro, Luis Ignacio; Frazzoli, Emilio; Helbing, Dirk; Ratti, Carlo

    2016-01-01

    Since their appearance at the end of the 19th century, traffic lights have been the primary mode of granting access to road intersections. Today, this centuries-old technology is challenged by advances in intelligent transportation, which are opening the way to new solutions built upon slot-based systems similar to those commonly used in aerial traffic: what we call Slot-based Intersections (SIs). Despite simulation-based evidence of the potential benefits of SIs, a comprehensive, analytical framework to compare their relative performance with traffic lights is still lacking. Here, we develop such a framework. We approach the problem in a novel way, by generalizing classical queuing theory. Having defined safety conditions, we characterize capacity and delay of SIs. In the 2-road crossing configuration, we provide a capacity-optimal SI management system. For arbitrary intersection configurations, near-optimal solutions are developed. Results theoretically show that transitioning from a traffic light system to SI has the potential of doubling capacity and significantly reducing delays. This suggests a reduction of non-linear dynamics induced by intersection bottlenecks, with positive impact on the road network. Such findings can provide transportation engineers and planners with crucial insights as they prepare to manage the transition towards a more intelligent transportation infrastructure in cities. PMID:26982532

  17. 7. MAIN STREET LOOKING NORTH FROM INTERSECTION OF WEST THIRD ...

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

    7. MAIN STREET LOOKING NORTH FROM INTERSECTION OF WEST THIRD STREET. THE 1932 POST OFFICE IS ON THE LEFT. SANDSTONE FROM INDIANA AND BRICK WERE USED FOR THE EXTERIOR WALLS, WHILE WASTE BRICK FROM THE SMELTER WAS USED FOR THE INTERIOR FOUNDATION AND BASEMENT WALLS - Anaconda Historic District, Park & Commercial Streets, Main Street vicinity, Anaconda, Deer Lodge County, MT

  18. The Intersectional Workings of Whiteness: A Representative Anecdote

    ERIC Educational Resources Information Center

    Zingsheim, Jason; Goltz, Dustin Bradley

    2011-01-01

    In this article, the authors engage critical performance pedagogy scholarship on whiteness to both question and extend two persistent trends in the literature. Although intersectionality is commonly referenced in the literature, the larger impulse underscoring Crenshaw's (1991) concept is often footnoted, tangentially marked, or given mere surface…

  19. Dyslexia, Mothering and Work: Intersecting Identities, Reframing, "Drowning" and Resistance

    ERIC Educational Resources Information Center

    Skinner, Tina

    2011-01-01

    This paper focuses on the ways in which mothering, work and dyslexia intersect in lived experience. The theoretical framework used to interpret these experiences draws on competing discourses variously imposed on and internalised by the individual; however, it also stresses the ability (however limited) of the individual to reframe and therefore…

  20. 3. GENERAL VIEW LOOKING NORTH FROM THE INTERSECTION OF WALKER ...

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

    3. GENERAL VIEW LOOKING NORTH FROM THE INTERSECTION OF WALKER AND LUMBER STREETS, SHOWING TWO HOUSES FRONTING ON LUMBER STREET, AND CENTRAL OF GEORGIA COACH AND PAINT SHOP IN BACKGROUND AT END OF STREET - Frogtown District, Bounded by Jones, I-66 Ramp, & West Boundary Streets, Savannah, Chatham County, GA

  1. VIEW OF PIEDMONT AVENUE TRAFFIC CIRCLE AT INTERSECTION OF CHANNING ...

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

    VIEW OF PIEDMONT AVENUE TRAFFIC CIRCLE AT INTERSECTION OF CHANNING WAY. SEEN FROM NE CORNER LOOKING SW. Photograph by Fredrica Drotos and Michael Kelly, July 9, 2006 - Piedmont Way & the Berkeley Property Tract, East of College Avenue between Dwight Way & U.C. Memorial Stadium, Berkeley, Alameda County, CA

  2. VIEW OF PIEDMONT AVENUE TRAFFIC CIRCLE AT INTERSECTION OF CHANNING ...

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

    VIEW OF PIEDMONT AVENUE TRAFFIC CIRCLE AT INTERSECTION OF CHANNING WAY VIEW OF 2401 PIEDMONT, ALPHA EPSILON PHI HOUSE BY RATCLIFF & RATCLIFF, 1958. SEEN FROM NW CORNER LOOKING SE. Photograph by Brian Grogan, July 8, 2007 - Piedmont Way & the Berkeley Property Tract, East of College Avenue between Dwight Way & U.C. Memorial Stadium, Berkeley, Alameda County, CA

  3. View of Hinkley Avenue from former intersection with Hoffman Boulevard. ...

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

    View of Hinkley Avenue from former intersection with Hoffman Boulevard. Note reconstructed Easter Hill Buildings No. 2, 3, and 4 from left to right at rear. Looking north - Easter Hill Village, Bordered by South Twenty-sixth Street, South Twenty-eighth Street, Hinkley Avenue, Foothill Avenue & Corto Square, Richmond, Contra Costa County, CA

  4. View of Hinkley Avenue looking towards former intersection with Hoffman ...

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

    View of Hinkley Avenue looking towards former intersection with Hoffman Boulevard. Note former building site of Building No. 1 at right rear. Looking southwest - Easter Hill Village, Bordered by South Twenty-sixth Street, South Twenty-eighth Street, Hinkley Avenue, Foothill Avenue & Corto Square, Richmond, Contra Costa County, CA

  5. Intersecting Discourses of Militarism: Military and Academic Gendered Organizations

    ERIC Educational Resources Information Center

    Taber, Nancy

    2015-01-01

    This article explores the ways in which military constructions of gender intersect with academic ones. Its focus is to connect military discourses of duty, honour and service before self with academic ones of commitment and productivity. As such, it engages in an institutional analysis of the gendered organizations of the military and academia and…

  6. Conclusion: The Intersection of Student Voice and Policy Research

    ERIC Educational Resources Information Center

    Mitra, Dana L.

    2015-01-01

    This concluding chapter examines how this book on student voice intersects with previous research about policy, especially policy implementation and sustainability. Mapping onto the themes of this volume, Discovering, Developing, and Demonstrating the power of student voice, I focus on three issues--legitimizing the role of young people in the…

  7. Facilitating Difficult Dialogues at the Intersections of Religious Privilege

    ERIC Educational Resources Information Center

    Watt, Sherry K.

    2009-01-01

    A core definition of a "difficult dialogue" is a verbal or written exchange of ideas or opinions among citizens within a community that centers on an awakening of potentially conflicting views about beliefs and values. As informed by Fried's definition of religious privilege (2007), difficult dialogue at the intersections of religious privilege…

  8. Intersectional Identity Negotiation: The Case of Young Immigrant Children

    ERIC Educational Resources Information Center

    Compton-Lilly, Catherine; Papoi, Kristin; Venegas, Patricia; Hamman, Laura; Schwabenbauer, Briana

    2017-01-01

    We cast our lens on intersectional networks of identity negotiated by young children in immigrant families. Although some scholars discuss identity construction, we reference identity negotiation to capture the active, strategic, and agential work that we witnessed in our study. We begin by synthesizing relevant research on children's identity…

  9. Ethnic, Gender and Class Intersections in British Women's Leadership Experiences

    ERIC Educational Resources Information Center

    Showunmi, Victoria; Atewologun, Doyin; Bebbington, Diane

    2016-01-01

    A qualitative study was conducted to examine how gender and ethnicity influenced leadership experiences of a mixed ethnic sample of British women. An intersectional framework was used which took the viewpoint that socio-demographic identities should be considered simultaneously in order to challenge universalist, gender and ethnic neutral…

  10. Intersections of adelic groups on a surface

    SciTech Connect

    Budylin, R Ya; Gorchinskiy, S O

    2013-12-31

    We solve a technical problem related to adeles on an algebraic surface. Given a finite set of natural numbers, one can associate with it an adelic group. We show that this operation commutes with taking intersections if the surface is defined over an uncountable field, and we provide a counterexample otherwise. Bibliography: 12 titles.

  11. Intersection of Trajectories: A Newcomer in a Community of Practice

    ERIC Educational Resources Information Center

    Campbell, Matthew; Verenikina, Irina; Herrington, Anthony

    2009-01-01

    Purpose: The purpose of this paper is to provide a case study of a newcomer to the practice of policing to explore conceptualisations of learning through practice. It aims to position learning as the intersections of trajectories of being and becoming within a community of practice. The paper seeks to argue that learners need to be understood with…

  12. Biased estimation of forest log characteristics using intersect diameters

    Treesearch

    Lisa J. Bate; Torolf R. Torgersen; Michael J. Wisdom; Edward O. Garton

    2009-01-01

    Logs are an important structural feature of forest ecosystems, and their abundance affects many resources and forest processes, including fire regimes, soil productivity, silviculture, carbon cycling, and wildlife habitat. Consequently, logs are often sampled to estimate their frequency, percent cover, volume, and weight. The line-intersect method (LIM) is one of the...

  13. Intersectional Identity Negotiation: The Case of Young Immigrant Children

    ERIC Educational Resources Information Center

    Compton-Lilly, Catherine; Papoi, Kristin; Venegas, Patricia; Hamman, Laura; Schwabenbauer, Briana

    2017-01-01

    We cast our lens on intersectional networks of identity negotiated by young children in immigrant families. Although some scholars discuss identity construction, we reference identity negotiation to capture the active, strategic, and agential work that we witnessed in our study. We begin by synthesizing relevant research on children's identity…

  14. Intersecting Scapes and New Millennium Identities in Language Learning

    ERIC Educational Resources Information Center

    Higgins, Christina

    2015-01-01

    This paper examines how flows of people, media, money, technology, and ideologies move through the world, with attention to how these scapes (Appadurai 1990, 1996, 2013) shape identity construction among language learners, both in and out of classrooms. After illustrating intersecting scapes in sociolinguistic terms, I explore the relevance of…

  15. DETAIL VIEW OF PIEDMONT AVENUE TRAFFIC CIRCLE AT INTERSECTION OF ...

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

    DETAIL VIEW OF PIEDMONT AVENUE TRAFFIC CIRCLE AT INTERSECTION OF CHANNING WAY. SEEN FROM EAST SIDE OF CIRCLE LOOKING NORTH AT 2395 PIEDMONT, SIGMA PI HOUSE BY FREDERICK H. REIMERS, 1928. Photograph by Brian Grogan, July 8, 2007 - Piedmont Way & the Berkeley Property Tract, East of College Avenue between Dwight Way & U.C. Memorial Stadium, Berkeley, Alameda County, CA

  16. VIEW OF PIEDMONT AVENUE TRAFFIC CIRCLE AT INTERSECTION OF CHANNING ...

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

    VIEW OF PIEDMONT AVENUE TRAFFIC CIRCLE AT INTERSECTION OF CHANNING WAY. SEEN FROM SW CORNER TOWARDS 2395 PIEDMONT, SIGMA PI HOUSE BY FREDERICK H. REIMERS, 1928. LOOKING NORTH. Photograph by Brian Grogan, July 8, 2007 - Piedmont Way & the Berkeley Property Tract, East of College Avenue between Dwight Way & U.C. Memorial Stadium, Berkeley, Alameda County, CA

  17. VIEW OF PIEDMONT AVENUE AT INTERSECTION OF HASTE STREET, NOTE ...

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

    VIEW OF PIEDMONT AVENUE AT INTERSECTION OF HASTE STREET, NOTE RECONSTRUCTION OF MEDIAN FROM PREVIOUS VIEW IN PHOTOGRAPH CA-2-5. LOOKING NW. Photograph by Brian Grogan, July 8, 2007 - Piedmont Way & the Berkeley Property Tract, East of College Avenue between Dwight Way & U.C. Memorial Stadium, Berkeley, Alameda County, CA

  18. Disciplinarity and Methodology in Intersectionality Theory and Research

    ERIC Educational Resources Information Center

    Syed, Moin

    2010-01-01

    Comments on the original article, "Intersectionality and research in psychology," by E. R. Cole. Cole's article, says the current author, makes a welcome and valuable contribution to the field of psychology. Particularly useful are the three questions that she posed, highlighting how these questions are relevant and pressing for all researchers,…

  19. View of southeast elevation of Building No. 42. Intersection of ...

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

    View of southeast elevation of Building No. 42. Intersection of Foothill Avenue (at left) and South 28th Street (at right) in foreground, Building No. 40 at left rear. Looking northwest - Easter Hill Village, Building No. 42, Northwest corner of Foothill Avenue & South Twenty-eighth Street, Richmond, Contra Costa County, CA

  20. Intersecting Discourses of Militarism: Military and Academic Gendered Organizations

    ERIC Educational Resources Information Center

    Taber, Nancy

    2015-01-01

    This article explores the ways in which military constructions of gender intersect with academic ones. Its focus is to connect military discourses of duty, honour and service before self with academic ones of commitment and productivity. As such, it engages in an institutional analysis of the gendered organizations of the military and academia and…

  1. Conclusion: The Intersection of Student Voice and Policy Research

    ERIC Educational Resources Information Center

    Mitra, Dana L.

    2015-01-01

    This concluding chapter examines how this book on student voice intersects with previous research about policy, especially policy implementation and sustainability. Mapping onto the themes of this volume, Discovering, Developing, and Demonstrating the power of student voice, I focus on three issues--legitimizing the role of young people in the…

  2. VIEW OF PIEDMONT AVENUE AT INTERSECTION OF HASTE STREET, CHATEAU ...

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

    VIEW OF PIEDMONT AVENUE AT INTERSECTION OF HASTE STREET, CHATEAU APARTMENTS BY CLARENCE CASEBOLT DAKIN, 1929 AT 2747 HASTE ON WEST SIDE OF PIEDMONT. LOOKING NORTH. Photograph by Fredrica Drotos and Michael Kelly, July 8, 2006 - Piedmont Way & the Berkeley Property Tract, East of College Avenue between Dwight Way & U.C. Memorial Stadium, Berkeley, Alameda County, CA

  3. Older driver distraction: a naturalistic study of behaviour at intersections.

    PubMed

    Charlton, Judith L; Catchlove, Matthew; Scully, Michelle; Koppel, Sjaan; Newstead, Stuart

    2013-09-01

    This study examined older driver engagement in distracting behaviours (secondary activities) at intersections using naturalistic driving data from a larger study based in Melbourne, Australia. Of interest was whether engagement in secondary activities at intersections was influenced by factors such as driver gender and situational variables, in particular, those relating to the complexity of the driving environment. Specifically we expected that when making left/right turns, older drivers would reduce the proportion of time engaged in secondary behaviours at intersections which required gap judgements (partly controlled or uncontrolled) compared with intersections that were fully controlled by traffic signals. Consideration was given to engagement in secondary activity with hands off the wheel and when the vehicle was moving versus stationary. Older drivers aged between 65 and 83 years drove an instrumented vehicle (IV) on their regular trips for approximately two weeks. The IV was equipped with a video camera system, enabling recording of the road environment and driver and a data acquisition unit, enabling recording of trip distance, vehicle speed, braking, accelerating, steering and indicator use. Driving experience and demographics were collected and functional abilities were assessed using the Useful Field of View (UFOV), Trail Making Test B, Mini Mental Status Examination (MMSE), visual acuity and contrast sensitivity. The study yielded a total of 371 trips with 4493 km (99.8 h) of naturalistic driving data including 1396 left and right turns. Trips were randomly selected from the dataset and in-depth analysis was conducted on 200 intersection manoeuvres (approximately 50% left turns, 50% right turns). The most frequently observed secondary activities were scratching/grooming (42.5%), talking/singing (30.2%) and manipulating the vehicle control panel (12.2%). Glances "off road" 2s or longer were associated with reading, reaching and manipulation of the

  4. Safety effectiveness of converting signalized intersections to roundabouts.

    PubMed

    Gross, Frank; Lyon, Craig; Persaud, Bhagwant; Srinivasan, Raghavan

    2013-01-01

    Roundabouts may be new builds but often are conversions from existing intersections. When contemplating the later, there is a need to estimate the safety effects of conversions. Several studies have estimated large reductions in crashes and severity; however, these results pertain mainly to conversions from unsignalized intersections. Results for conversions from signalized intersections have been less conclusive or consistent and tend to be somewhat dated. The objective of this study was to fill this void by estimating the safety effectiveness of converting signalized intersections to roundabouts. Several states helped to identify signalized intersections that were converted to roundabouts in the recent past. In total, 28 conversions were identified in the United States. The empirical Bayes (EB) method was employed in an observational before-after study to estimate the safety effects. Data from select states were also used in a cross-sectional analysis to investigate the compatibility of results from cross-sectional and before-after studies. The EB results indicated a safety benefit for converting signalized intersections to roundabouts. There were reductions in both total and injury crashes, with a larger benefit for injury crashes. Further analysis indicated that the safety benefit of roundabouts for total crashes decreased as traffic volumes increase, a result that suggests the need for the development of a crash modification function, a task for which more data would be required. The safety benefit for injury crashes was sustained across all traffic volumes. Both trends were supported by the cross-sectional analysis. Based on the analysis, it appears that roundabouts have the potential to significantly reduce crashes and severity at signalized intersections. A key aspect of the study was the estimation of the standard deviation of the distribution of the CMF in addition to the conventionally estimated standard error of the mean CMF value. For some CMFs

  5. Intersecting kink bands quantified by laser scanning and differential geometry

    NASA Astrophysics Data System (ADS)

    Dunham, R. E.; Crider, J. G.

    2010-12-01

    Microtopography derived from laser scanning is expressed by DEMs that can be analyzed using differential geometry. We apply this technique to rock hand samples containing intersecting kink bands in order to quantitatively describe the shape of a folded surface and understand the localization of strain in deformed rocks. This study is the first to apply laser scanning and geometric curvature analysis to intersecting kink bands in order to better describe the variation of kink band geometries and intersections in plan view and to evaluate relationships between different kink band parameters. A complex set of monoclinal contractional kink bands is well exposed in outcrops of the Darrington Phyllite on Samish Island, northwestern Washington, which provide a three-dimensional view of kink band geometries. Kink bands in cross section have straight, parallel boundaries that deform a well-defined foliation; in plan view, however, kink band hinges curve and anastomose across the foliation surface, and adjacent bands commonly intersect. Three types of intersections are common: crossing (X), bifurcating (Y), and obliquely truncating (λ); many kink bands also taper out along strike. Geometric curvature analyses were performed on millimeter-resolution DEMs of hand samples containing intersecting kink bands. Maps of different curvature parameters (e.g. mean curvature, geologic curvature) clearly outline kink bands in the samples and illuminate the behavior of kink band hinges in each type of intersection. In X-type intersections, curvature increases where two hinges of similar kink sense cross (i.e. anticlinal/anticlinal hinges), increasing strain; where two hinges of opposing sense cross (anticlinal/synclinal), curvature decreases and the surface is effectively unfolded. In Y-type intersections, a single parent band widens and splits into two equally narrow daughter bands, and new inner hinges are nucleated below the bifurcation point. The two daughter bands accommodate

  6. What Is Rural? Revised

    ERIC Educational Resources Information Center

    US Department of Agriculture, 2016

    2016-01-01

    Many people have definitions for the term rural, but seldom are these rural definitions in agreement. For some, rural is a subjective state of mind. For others, rural is an objective quantitative measure. In this brief report the United States Department of Agriculture presents the following information along with helpful links for the reader: (1)…

  7. The Rural Bellwether.

    ERIC Educational Resources Information Center

    Walker, Sherry Freeland, Ed.

    2001-01-01

    This theme issue of "State Education Leader" contains eight articles on rural education. "The Rural Bellwether" (Kathy Christie) discusses declining enrollment in rural schools, rural problems with teacher shortages and special education funding, issues related to school size and school district size, and distance learning…

  8. Rural Development Issues.

    ERIC Educational Resources Information Center

    Economic Research Service (USDA), Washington, DC. Economic Development Div.

    Elements essential to an adequate framework for rural development in the U.S. are a national growth and development policy which includes a rural development strategy and definition of common problems and programmatic actions required to deal with them. Many past federal rural development programs (lacking a federal rural policy focus) have failed…

  9. Leadership for Rural Schools.

    ERIC Educational Resources Information Center

    Stephens, E. Robert; Turner, Walter G.

    The rural school superintendency is, in many ways, as demanding and difficult as the urban superintendency. Chapter 1 of this book provides a working definition of a rural small school district, an estimation of the number of rural systems in the nation that fit the criteria, and a profile of rural small school superintendents. Chapter 2 discusses…

  10. The Rural Development Dilemma.

    ERIC Educational Resources Information Center

    Swanson, Louis E.

    1991-01-01

    Progress toward rural development has been hampered by flawed views of rural America; serious limitations to existing social and economic data on sparsely populated areas; treatment of rural America as a geographical entity unconnected to the larger U.S. economy and society; perceived lack of feasible political solution to rural problems; and…

  11. Rural-Urban Connections.

    ERIC Educational Resources Information Center

    Perkins, Daniel F.; LaGreca, Anthony J.; Mullis, Ronald L.

    This publication combines three papers on rural and urban youth issues. "Key Issues Facing Rural Youth" (Daniel F. Perkins) notes that rural adolescents share the same concerns and exhibit the same problem behaviors as their urban counterparts. But in addition, geographic isolation presents problems unique to rural areas. A framework is proposed…

  12. Tectonic framework of the Northern California continental margin

    USGS Publications Warehouse

    Clarke, S.H.

    1992-01-01

    The northern coast of California is one of the most seismically active regions in the continental United States. This activity is largely due to tectonic forces resulting from differing relative motions between three extensive lithospheric plates that meet in this region. These crustal plates are bounded by long fault systems-the Cascadia subduction zone, the San Andreas fault system, and the Mendocino fault- that accommodate these differences in plate motion and that are capable of periodically producing damaging earthquakes. Historic earthquake locations are concentrated in the victinity of the tectonically unstable intersection of these tthree plates and their bounding fault systems. 

  13. Agencies and the Migrant: Theory and Reality of the Migrant Condition. First Papers on Migrancy and Rural Poverty: An Introduction to the Education of Mexican-Americans in Rural Areas.

    ERIC Educational Resources Information Center

    Abeytia, Hector; And Others

    Lectures included in this volume are: Operation SER (Service, Education Rehabilitation); Unions and Farm Labor; California Plan for the Education of Migrant Children; Housing Camps for Migrants; and California Legal Rural Assistance. These lectures have been chosen from those presented as part of the pre-service phase of a 2-year Teacher Corps…

  14. Quantitative Intersectionality: A Critical Race Analysis of the Chicana/o Educational Pipeline

    ERIC Educational Resources Information Center

    Covarrubias, Alejandro

    2011-01-01

    Utilizing the critical race framework of intersectionality, this research reexamines the Chicana/o educational pipeline through a quantitative intersectional analysis. This approach disaggregates data along the intersection of race, class, gender, and citizenship status to provide a detailed portrait of the educational trajectory of Mexican-origin…

  15. Quantitative Intersectionality: A Critical Race Analysis of the Chicana/o Educational Pipeline

    ERIC Educational Resources Information Center

    Covarrubias, Alejandro

    2011-01-01

    Utilizing the critical race framework of intersectionality, this research reexamines the Chicana/o educational pipeline through a quantitative intersectional analysis. This approach disaggregates data along the intersection of race, class, gender, and citizenship status to provide a detailed portrait of the educational trajectory of Mexican-origin…

  16. Information Points and Optimal Discharging Speed: Effects on the Saturation Flow at Signalized Intersections

    ERIC Educational Resources Information Center

    Gao, Lijun

    2015-01-01

    An information point was defined in this study as any object, structure, or activity located outside of a traveling vehicle that could potentially attract the visual attention of the driver. Saturation flow rates were studied for three pairs of signalized intersections in Toledo, Ohio. Each pair of intersections consisted of one intersection with…

  17. Information Points and Optimal Discharging Speed: Effects on the Saturation Flow at Signalized Intersections

    ERIC Educational Resources Information Center

    Gao, Lijun

    2015-01-01

    An information point was defined in this study as any object, structure, or activity located outside of a traveling vehicle that could potentially attract the visual attention of the driver. Saturation flow rates were studied for three pairs of signalized intersections in Toledo, Ohio. Each pair of intersections consisted of one intersection with…

  18. Landsat View: Ontario, California

    NASA Image and Video Library

    2017-09-27

    Thirty-five miles due east of downtown Los Angeles lies the city of Ontario, California. In 1881 two Canadian brothers established the town, naming it after their native city. By 1891 Ontario, Calif., was incorporated as a city. The farming-based economy (olives, citrus, dairy) of the city helped it grow to 20,000 by the 1960s. Subsequently, warehousing and freight trafficking took over as the major industry and the city’s population was over 160,000 by 2010. The L.A./Ontario International Airport is now America’s 15th busiest cargo airport. In these natural color Landsat 5 images, the massive growth of the city between 1985 and 2010 can be seen. The airport, found in the southwest portion of the images, added a number of runways and large warehousing structures now dominate the once rural areas surrounding the airport. In these images vegetation is green and brown and urban structures are bright white and gray. (Note there is a large dry riverbed in the northeast corner that is also bright white, but its nonlinear appearance sets it apart visually). ---- NASA and the U.S. Department of the Interior through the U.S. Geological Survey (USGS) jointly manage Landsat, and the USGS preserves a 40-year archive of Landsat images that is freely available over the Internet. The next Landsat satellite, now known as the Landsat Data Continuity Mission (LDCM) and later to be called Landsat 8, is scheduled for launch in 2013. In honor of Landsat’s 40th anniversary in July 2012, the USGS released the LandsatLook viewer – a quick, simple way to go forward and backward in time, pulling images of anywhere in the world out of the Landsat archive. NASA image use policy. NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission

  19. Starting rural, staying rural: how can we strengthen the pathway from rural upbringing to rural practice?

    PubMed

    Strasser, Roger; Hogenbirk, John C; Lewenberg, Michael; Story, Margot; Kevat, Ajay

    2010-12-01

      To determine if selecting rural background students into the Monash Bachelor of Medicine and Bachelor of Surgery (MBBS) program affects vocational training location and intended practice location after training.   Retrospective cohort mail survey.   Australia.   Rural-background students at Monash 1992-1994 (n=24/40) and 1995-1999 (n=59/120) and urban background students (n=36/93 and 104/300, respectively). Overall study population: 62% female, average age of 28 years; 79% Australian-born; and 60% married/partnered.   Rural or urban background, rural undergraduate exposure.   Intent towards rural medical practice, vocational training location and subsequent practice location.   There was a positive and significant (P ≤0.05) association between rural background and rural practice intent when respondents began (10-times higher than urban graduates) and completed (three times higher) their MBBS course. Rural practice intent increased fourfold in urban background graduates. There was a positive and significant association between rural background and preferred place of practice in 5-10 years in a Rural, Remote and Metropolitan Area (RRMA) 3-7 community (three times higher). There was a positive, but non-significant association between rural background and RRMA 3-7 community as their current location and first place of practice once vocationally qualified.   Interest in rural practice is not fully reflected in location during or after vocational training. The beneficial effects of rural undergraduate exposure might be lost if internship and vocational training programs provide insufficient rural clinical experiences and curriculum content. Continuation of the rural pathway might be needed to maintain rural practice intent. © 2010 The Authors. Australian Journal of Rural Health © National Rural Health Alliance Inc.

  20. More than culture: structural racism, intersectionality theory, and immigrant health.

    PubMed

    Viruell-Fuentes, Edna A; Miranda, Patricia Y; Abdulrahim, Sawsan

    2012-12-01

    Explanations for immigrant health outcomes often invoke culture through the use of the concept of acculturation. The over reliance on cultural explanations for immigrant health outcomes has been the topic of growing debate, with the critics' main concern being that such explanations obscure the impact of structural factors on immigrant health disparities. In this paper, we highlight the shortcomings of cultural explanations as currently employed in the health literature, and argue for a shift from individual culture-based frameworks, to perspectives that address how multiple dimensions of inequality intersect to impact health outcomes. Based on our review of the literature, we suggest specific lines of inquiry regarding immigrants' experiences with day-to-day discrimination, as well as on the roles that place and immigration policies play in shaping immigrant health outcomes. The paper concludes with suggestions for integrating intersectionality theory in future research on immigrant health. Copyright © 2012 Elsevier Ltd. All rights reserved.

  1. Pedestrian Behavior at Five Dangerous and Busy Manhattan Intersections.

    PubMed

    Basch, Corey H; Ethan, Danna; Zybert, Patricia; Basch, Charles E

    2015-08-01

    Technology-related distracted behavior is an emergent national concern. Listening to, looking at or talking into an electronic device while walking divides attention, increasing the risk of injury. The purpose of this study was to quantify technology-related distracted pedestrian behavior at five dangerous and busy Manhattan intersections. Data were collected over ten cycles of signal changes at each of the four corners of five intersections at four times of day. Data for 'Walk' and 'Don't Walk' signals were tallied separately. A total of 21,760 pedestrians were observed. Nearly one-third crossing on a 'Walk' signal (n = 5414, 27.8%), and nearly half crossing on a 'Don't Walk' signal (n = 974; 42.0%) were wearing headphones, talking on a mobile phone, and/or looking down at an electronic device. Headphone use was the most common distraction.

  2. Multiple intersection properties of optical resonance modes in metallic metamaterials

    NASA Astrophysics Data System (ADS)

    Tokuda, Yasunori; Sakaguchi, Koichiro; Yamaguchi, Yuki; Takano, Keisuke

    2017-03-01

    Unusual behavior of Fabry-Perot-like waveguide resonance modes is presented for a quasi-dielectric metamaterial that consists of two metallic sub-wavelength cut-through slit-array slabs separated by an air-gap region. Simulations based on the finite-difference time-domain method were conducted. The unique optical properties were interpreted in terms of multiple intersection of the resonance modes. Depending on the intersection conditions of the optical modes, furthermore, a variety of crossing characteristics, i.e., fade-out crossing with/without an isolated loop, anticrossing with/without intensity reduction, and anticrossing with/without frequency repulsion, were identified for the air-gap dependence of the transmission spectra. These findings, which were obtained by careful observation of the properties of this type of metamaterial, present a novel and interesting aspect of the behavior of the optical resonance modes.

  3. Holomorphic Yukawa couplings for complete intersection Calabi-Yau manifolds

    NASA Astrophysics Data System (ADS)

    Blesneag, Stefan; Buchbinder, Evgeny I.; Lukas, Andre

    2017-01-01

    We develop methods to compute holomorphic Yukawa couplings for heterotic compactifications on complete intersection Calabi-Yau manifolds, generalising results of an earlier paper for Calabi-Yau hypersurfaces. Our methods are based on constructing the required bundle-valued forms explicitly and evaluating the relevant integrals over the projective ambient space. We also show how our approach relates to an earlier, algebraic one to calculate the holomorphic Yukawa couplings. A vanishing theorem, which we prove, implies that certain Yukawa couplings allowed by low-energy symmetries are zero due to topological reasons. To illustrate our methods, we calculate Yukawa couplings for SU(5)-based standard models on a co-dimension two complete intersection manifold.

  4. 36. PHOTOCOPY OF PHOTOGRAPH. VIEW OF ARMORY FROM INTERSECTION OF ...

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

    36. PHOTOCOPY OF PHOTOGRAPH. VIEW OF ARMORY FROM INTERSECTION OF SOUTH 3RD STREET AND EAST WALNUT STREET CIRCA 1937. NOTE PAVED STREETS, STREET LIGHTS AND WINDOWS ON MONITOR OPEN FOR VENTILATION. THIS IS A COPY OF A POST CARD SIZED PRINT LOANED BY THE YAKIMA VALLEY MUSEUM AND HISTORICAL ASSOCIATION. PHOTOGRAPHER UNKNOWN. - Yakima National Guard Armory, 202 South Third Street, Yakima, Yakima County, WA

  5. Conical intersection dynamics of the primary photoisomerization event in vision.

    PubMed

    Polli, Dario; Altoè, Piero; Weingart, Oliver; Spillane, Katelyn M; Manzoni, Cristian; Brida, Daniele; Tomasello, Gaia; Orlandi, Giorgio; Kukura, Philipp; Mathies, Richard A; Garavelli, Marco; Cerullo, Giulio

    2010-09-23

    Ever since the conversion of the 11-cis retinal chromophore to its all-trans form in rhodopsin was identified as the primary photochemical event in vision, experimentalists and theoreticians have tried to unravel the molecular details of this process. The high quantum yield of 0.65 (ref. 2), the production of the primary ground-state rhodopsin photoproduct within a mere 200 fs (refs 3-7), and the storage of considerable energy in the first stable bathorhodopsin intermediate all suggest an unusually fast and efficient photoactivated one-way reaction. Rhodopsin's unique reactivity is generally attributed to a conical intersection between the potential energy surfaces of the ground and excited electronic states enabling the efficient and ultrafast conversion of photon energy into chemical energy. But obtaining direct experimental evidence for the involvement of a conical intersection is challenging: the energy gap between the electronic states of the reacting molecule changes significantly over an ultrashort timescale, which calls for observational methods that combine high temporal resolution with a broad spectral observation window. Here we show that ultrafast optical spectroscopy with sub-20-fs time resolution and spectral coverage from the visible to the near-infrared allows us to follow the dynamics leading to the conical intersection in rhodopsin isomerization. We track coherent wave-packet motion from the photoexcited Franck-Condon region to the photoproduct by monitoring the loss of reactant emission and the subsequent appearance of photoproduct absorption, and find excellent agreement between the experimental observations and molecular dynamics calculations that involve a true electronic state crossing. Taken together, these findings constitute the most compelling evidence to date for the existence and importance of conical intersections in visual photochemistry.

  6. 79. Conoco Gas Station (1927) at the intersection of Wyoming ...

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

    79. Conoco Gas Station (1927) at the intersection of Wyoming and Granite Streets. This was one of the first gas stations in Butte, and has a wooden canopy supported on steel beams on brick piers, with a pressed metal ceiling. The roof turns upwards on the north side, and the east and west ends have jerkin-headed gables. The pumps date from the 1950s. - Butte Historic District, Bounded by Copper, Arizona, Mercury & Continental Streets, Butte, Silver Bow County, MT

  7. View from intersection. Ninestory reinforced concrete building infilled with brick. ...

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

    View from intersection. Nine-story reinforced concrete building infilled with brick. The street facades on beaubien and east grand are faced with stone accents and elaborate brick work. Brick pilasters run the entire height of the building. Steel tiebacks are apparent running up the height of the building on the east side. The large tower appears at the northeast and southeast corners - Detroit Storage Company, 2937 East Grand Boulevard, Detroit, MI

  8. 2. GENERAL VIEW, LOOKING EAST, SHOWING INTERSECTION OF THREE RAILROADS ...

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

    2. GENERAL VIEW, LOOKING EAST, SHOWING INTERSECTION OF THREE RAILROADS AT THREE LEVELS. AT GROUND LEVEL IS THE FORMER RICHMOND & YORK RIVER RAILROAD (NOW THE WEST POINT BRANCH OF THE SOUTHERN); THE VIADUCT STRUCTURE APPEARING AT THE UPPER LEFT CORNER OF THE PHOTOGRAPH WAS CONSTRUCTED BY THE CHESAPEAKE & OHIO RAILROAD IN 1900. IT PASSES OVER THE SEABOARD AIRLINE BRIDGE WHICH ALSO WAS BUILT IN 1900. - Triple Railroad Crossing, East Byrd Street at Sixteenth Street, Richmond, Independent City, VA

  9. Cryptanalysis and improvement of a quantum private set intersection protocol

    NASA Astrophysics Data System (ADS)

    Cheng, Xiaogang; Guo, Ren; Chen, Yonghong

    2017-02-01

    A recent Quantum Private Set Intersection (QPSI) scheme is crypt-analyzed. The original claimed communication overhead is shown to be not accurate. And the original security definition is passive and not fair. To ensure fairness, a passive third party is introduced. It is also shown that unconditional fairness of QPSI protocol is impossible. Since otherwise, it would violate a well-known impossible quantum cryptography result.

  10. Fuels Performance: Navigating the Intersection of Fuels and Combustion (Brochure)

    SciTech Connect

    Not Available

    2014-12-01

    Researchers at the National Renewable Energy Laboratory (NREL), the only national laboratory dedicated 100% to renewable energy and energy efficiency, recognize that engine and infrastructure compatibility can make or break the impact of even the most promising fuel. NREL and its industry partners navigate the intersection of fuel chemistry, ignition kinetics, combustion, and emissions, with innovative approaches to engines and fuels that meet drivers' expectations, while minimizing petroleum use and GHGs.

  11. View southwest showing the intersection of Routes 6 and 169 ...

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

    View southwest showing the intersection of Routes 6 and 169 and the Brooklyn Town Hall with the Unitarian Church to the south - Brooklyn Green, North Green, South Green, & West Green, parts of Brown Road, Canterbury Road (Route 169), Hartford Road (Route 6), Hyde Road, Pomfret Road (Route 169), Prince Hill Road, Providence Road (Route 6), Wauregan Road (Routes 169 & 205), & Wolf Den Road, Brooklyn, Windham County, CT

  12. Highline Canal, Sand Creek Lateral, Beginning at intersection of Peoria ...

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

    Highline Canal, Sand Creek Lateral, Beginning at intersection of Peoria Street & Highline Canal in Arapahoe County (City of Aurora), Sand Creek lateral Extends 15 miles Northerly through Araphoe County, City & County of Denver, & Adams County to its end point, approximately 1/4 mile Southest of intersectioin of D Street & Ninth Avenue in Adams County (Rocky Mountain Arsenal, Commerce City Vicinity), Commerce City, Adams County, CO

  13. The Molecular Geometric Phase and Light-Induced Conical Intersections

    NASA Astrophysics Data System (ADS)

    Zak, Emil J.

    2017-06-01

    Potential energy surfaces for electronic states of molecules in strong electromagnetic fields can be described in the dressed-state formalism, which introduces light-induced potentials. A light-induced conical intersection (LICI) [1] appears when two electronic states intersect due to the presence of an external electric field and when the dipole coupling between the field and the molecule vanishes. There are several aspects of quantum dynamics near LICIs, which still require a thorough investigation. How do non-adiabatic effects manifest themselves in polyatomic molecules in strong electromagnetic fields? Are the natural conical-intersections (NCI) and the light-induced conical intersections identical in nature? Do topological effects (Berry phase) [2] influence the nuclear dynamics around NCIs and LICIs? To answer these questions, a computer code for time-propagation of the ro-vibronic wavefunction on multiple coupled potential energy surfaces has been developed. The time-independent zero-order basis is taken from the DUO suite [3], which solves the full ro-vibronic Schrödinger equation for diatomic molecules. Non-adiabatic nuclear dynamics near LICIs will be presented on the examples of NaH and CaF molecules, with a perspective for extension to polyatomics. G. J. Halász, A Vibók, M. Sindelka, N. Moiseyev, L. S. Cederbaum, 2011 J. Phys. B: At. Mol. Opt. Phys. 44 175102 C. Wittig, Phys. Chem. Chem. Phys., 2012, 14, 6409-6432 S. N. Yurchenko, L. Lodi, J. Tennyson, A. V. Stolyarov, Comput. Phys. Commun., 202, 262, 2016

  14. 18. THIRD STREET FROM ITS INTERSECTION WITH F STREET, LOOKING ...

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

    18. THIRD STREET FROM ITS INTERSECTION WITH F STREET, LOOKING NORTH, For the purpose of clarity and simplicity, directions relate to the nearly north-south orientation of the Naval Supply Center, and not to true north. The alignment of streets and buildings in the NSC are roughly related to magnetic north, and are thus about 10 degrees clockwise from true north. WITH BUILDINGS 222 AND 221 ON LEFT. - Oakland Naval Supply Center, Maritime Street at Seventh Street, Oakland, Alameda County, CA

  15. 7. VIEW LOOKING WEST DOWN CENTRAL AVENUE AT THE INTERSECTION ...

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

    7. VIEW LOOKING WEST DOWN CENTRAL AVENUE AT THE INTERSECTION WITH SEVENTH STREET. THE PLANT WAS BUILT ON THE SITE WITH FOUR SEPARATE PRODUCTION AREAS, AND AN ADMINISTRATION AND SUPPORT AREA. THIS PHOTOGRAPH SHOWS THE EASTERN EDGE OF THE CORE ADMINSTRATION AND SUPPORT AREA, BUILT IN THE EARLY 1950S. IN THE LEFT FOREGROUND OF THE PHOTOGRAPH IS BUILDING 442, USED TO TEST ALL HEPA FILTERS ON SITE. - Rocky Flats Plant, Bounded by Indiana Street & Routes 93, 128 & 72, Golden, Jefferson County, CO

  16. 5. VIEW LOOKING SOUTH DOWN SIXTH STREET AT THE INTERSECTION ...

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

    5. VIEW LOOKING SOUTH DOWN SIXTH STREET AT THE INTERSECTION WITH CENTRAL AVENUE. AS PART OF THE INITIAL SITE DEVELOPMENT, A RAILROAD SPUR, ACCESS ROADS, POWER LINES, AND TELEPHONE LINES WERE BUILT. ALL FACILITIES WERE HEATED BY STEAM GENERATED IN BUILDING 443 AND PIPED THROUGHOUT THE SITE. THE BUILDING IN THE BACKGROUND OF THE PHOTOGRAPH IS BUILDING 664, A LOW - LEVEL WASTE STORAGE FACILITY. - Rocky Flats Plant, Bounded by Indiana Street & Routes 93, 128 & 72, Golden, Jefferson County, CO

  17. California wood energy program

    Treesearch

    Gary Brittner

    1983-01-01

    Many varieties of eucalyptus adapt well to growing conditions in the coastal and central valley regions of California. The California Department of Forestry is conducting growth research on a variety of sites throughout the state with many species. Eucalyptus is an excellent fuelwood and has potential for other uses, including chemical feedstocks. Plantations...

  18. California: Library Information Technologies.

    ERIC Educational Resources Information Center

    Will, Barbara, Ed.

    1996-01-01

    Describes six information technology projects in California libraries, including Internet access in public libraries; digital library developments at the University of California, Berkeley; the World Wide Web home page for the state library; Pacific Bell's role in statewide connectivity; state government initiatives; and services of the state…

  19. How California Ranks

    ERIC Educational Resources Information Center

    EdSource, 2010

    2010-01-01

    Public education supports California's economic growth and creates opportunities for the state's youth. Given that, it is important for Californians to understand how much the state is investing in its schools and how that money is being spent. Comparing California with the nation and other similar states can provide a useful perspective in…

  20. California's English Learner Students

    ERIC Educational Resources Information Center

    Hill, Laura E.

    2012-01-01

    English Learner (EL) students in California's schools are numerous and diverse, and they lag behind their native-English-speaking peers. Closing the achievement gap for EL students has been a long-standing goal for California educators, and there are some signs of success. Now that EL funding and curriculum issues are receiving a fresh level of…

  1. California's English Learner Students

    ERIC Educational Resources Information Center

    Hill, Laura E.

    2012-01-01

    English Learner (EL) students in California's schools are numerous and diverse, and they lag behind their native-English-speaking peers. Closing the achievement gap for EL students has been a long-standing goal for California educators, and there are some signs of success. Now that EL funding and curriculum issues are receiving a fresh level of…

  2. California tree seed zones

    Treesearch

    John M. Buck; Ronald S. Adams; Jerrold Cone; M. Thompson Conkle; William J. Libby; Cecil J. Eden; Michel J. Knight

    1970-01-01

    California forest tree seed zones were established originally by Fowells (1946), with revisions proposed by Roy (1963) and Schubert (1966). The Forest Tree Seed Committee of the Northern California Section, Society of American Foresters, has revised the original zones and updated the recording system described in the earlier reports. Fowells' (1946) Research Note...

  3. [California State Archives.

    ERIC Educational Resources Information Center

    Rea, Jay W.

    The first paper on the California State Archives treats the administrative status, legal basis of the archives program, and organization of the archives program. The problem areas in this States' archival program are discussed at length. The second paper gives a crude sketch of the legal and administrative history of the California State Archives,…

  4. Office of Rural Health Policy

    MedlinePlus

    ... Information Hub Rural Health Research Gateway Rural Community Health Gateway White House Rural Council  Eligibility Analyzer Contact Us Subscribe to FORHP weekly announcement for rural health grantees and stakeholders by e-mail Subscribe to ...

  5. A Perspective on Rural Education.

    ERIC Educational Resources Information Center

    Miller, W. Wade; And Others

    1995-01-01

    Includes "Perspective on Rural Education" (Miller); "You Want Them to Learn What?" (Jones); "Rural Education" (Baker, Burns); "Metnet" (Frick); "Rural Education and Training in Egypt" (Swan, Aly); "Mentors, Youth at Risk, and Rural Education Programs" (Wingenbach); "Designing…

  6. A Perspective on Rural Education.

    ERIC Educational Resources Information Center

    Miller, W. Wade; And Others

    1995-01-01

    Includes "Perspective on Rural Education" (Miller); "You Want Them to Learn What?" (Jones); "Rural Education" (Baker, Burns); "Metnet" (Frick); "Rural Education and Training in Egypt" (Swan, Aly); "Mentors, Youth at Risk, and Rural Education Programs" (Wingenbach); "Designing…

  7. Rural Policies for the 1990s. Rural Studies Series.

    ERIC Educational Resources Information Center

    Flora, Cornelia B., Ed.; Christenson, James A., Ed.

    Written by some of the foremost experts on rural America, this book focuses on policy-relevant research on the problems of rural areas. In each chapter, rural policy needs are identified by examining the flow of events and rural sociology of the 1980s. Chapters are: (1) "Critical Times for Rural America: The Challenge for Rural Policy in the…

  8. Rural Policies for the 1990s. Rural Studies Series.

    ERIC Educational Resources Information Center

    Flora, Cornelia B., Ed.; Christenson, James A., Ed.

    Written by some of the foremost experts on rural America, this book focuses on policy-relevant research on the problems of rural areas. In each chapter, rural policy needs are identified by examining the flow of events and rural sociology of the 1980s. Chapters are: (1) "Critical Times for Rural America: The Challenge for Rural Policy in the…

  9. Droplets coalescence at microchannel intersection chambers with different shapes

    NASA Astrophysics Data System (ADS)

    Liu, Zhaomiao; Wang, Xiang; Cao, Rentuo; Pang, Yan

    2016-11-01

    The influence of microchannel intersection chamber shape on droplets coalescence process is investigated in this study. Three kinds of chamber shapes (half-round, triangle and camber) are designed to realize head-on droplets coalescence. The coalescence processes are visualized with high-speed camera system and the internal flow patterns are resolved with micro-PIV system. Experimental analyses on droplets coalescence position, coalescence time and the critical conditions are discussed. Both direct coalescence and late coalescence can be observed in the camber junction while only the late coalescence is present for the half-round and the triangle junction. The critical capillary number Ca* varies for different working systems or intersection shapes. Ca* in the camber junction is larger than that in the other two junctions for each working system and it decreases with the increase of the viscosity ratios for each intersection shape. Moreover, the characteristics of the velocity fields for different coalescence cases are analyzed for in-depth understanding of the process. The authors do appreciate the financial support of No.11572013 of National Nature Scicence Funding of China.

  10. Conical intersection seams in polyenes derived from their chemical composition.

    PubMed

    Nenov, Artur; de Vivie-Riedle, Regina

    2012-08-21

    The knowledge of conical intersection seams is important to predict and explain the outcome of ultrafast reactions in photochemistry and photobiology. They define the energetic low-lying reachable regions that allow for the ultrafast non-radiative transitions. In complex molecules it is not straightforward to locate them. We present a systematic approach to predict conical intersection seams in multifunctionalized polyenes and their sensitivity to substituent effects. Included are seams that facilitate the photoreaction of interest as well as seams that open competing loss channels. The method is based on the extended two-electron two-orbital method [A. Nenov and R. de Vivie-Riedle, J. Chem. Phys. 135, 034304 (2011)]. It allows to extract the low-lying regions for non-radiative transitions, which are then divided into small linear segments. Rules of thumb are introduced to find the support points for these segments, which are then used in a linear interpolation scheme for a first estimation of the intersection seams. Quantum chemical optimization of the linear interpolated structures yields the final energetic position. We demonstrate our method for the example of the electrocyclic isomerization of trifluoromethyl-pyrrolylfulgide.

  11. Injury severity, vehicle safety features, and intersection crashes.

    PubMed

    Obeng, K

    2008-01-01

    This article examines injury severity in crashes that occur within signalized intersections and identifies some factors that explain them. It uses a random effect ordered logit model and an unbalanced longitudinal panel data for 303 intersections for one medium-size city. Among its findings are 3% and 0.29% lower probabilities of sustaining evident and disabling injuries respectively when vehicle occupants wear three-point seat belts and corresponding 1.71% and 0.16% lower probabilities when they wear only shoulder belts. Also, the probabilities of sustaining evident and disabling injuries reduce by 0.87% and 0.08% when vehicles with airbags are involved in crashes. But, when front airbags deploy the probabilities of sustaining disabling, evident, and possible injuries increase by 1.3%, 11.93%, and 26.80%, respectively. Similarly, both side airbags deploying increases disabling and evident injuries by 1.8% and 15.53%, respectively. In addition, we find that the probability of sustaining severe injuries increases in head-on crashes. These results emphasize the effectiveness of seat belt use, especially three-point seat belts, the inclusion of airbags in all vehicles, increased awareness of possible injuries from airbags deploying, signalized intersection designs that include pedestrian crossing signals, and additional research to identify the predominant types of injuries associated with airbags deploying.

  12. Substituent effects on dynamics at conical intersections: cycloheptatrienes.

    PubMed

    Schalk, Oliver; Boguslavskiy, Andrey E; Schuurman, Michael S; Brogaard, Rasmus Y; Unterreiner, Andreas N; Wrona-Piotrowicz, Anna; Werstiuk, Nick H; Stolow, Albert

    2013-10-10

    Using selective methyl substitution, we study the effects of vibrational dynamics at conical intersections in unsaturated hydrocarbons. Here, we investigate the excited state nonadiabatic dynamics of cycloheptatriene (CHT) and its relation to dynamics in other polyenes by comparing CHT with 7-methyl CHT, 7-ethyl CHT, and perdeuterated CHT using time-resolved photoelectron spectroscopy and photoelectron anisotropy. Our results suggest that, upon ππ*-excitation to the bright 2A" state, we observe an early intersection with the dark 2A' state close to the Franck-Condon region with evidence of wavepacket bifurcation. This indicates that the wavepacket evolves on both states, likely along a planarization coordinate, with the majority of the flux undergoing nonadiabatic transition via conical intersections within 100 fs following light absorption. In CHT, large amplitude motion along the planarization coordinate improves the intra-ring π-overlap, yielding a delocalized electronic density. However, substitutions in 7 position, chosen to modify the inertia of the planarization motion, did not markedly alter the first step in the sequential kinetic scheme. This suggests that there is a crossing of potential energy surfaces before planarization is achieved and, thus, nonadiabatic transition likely takes place far away from a local minimum.

  13. Conical intersection seams in polyenes derived from their chemical composition

    NASA Astrophysics Data System (ADS)

    Nenov, Artur; de Vivie-Riedle, Regina

    2012-08-01

    The knowledge of conical intersection seams is important to predict and explain the outcome of ultrafast reactions in photochemistry and photobiology. They define the energetic low-lying reachable regions that allow for the ultrafast non-radiative transitions. In complex molecules it is not straightforward to locate them. We present a systematic approach to predict conical intersection seams in multifunctionalized polyenes and their sensitivity to substituent effects. Included are seams that facilitate the photoreaction of interest as well as seams that open competing loss channels. The method is based on the extended two-electron two-orbital method [A. Nenov and R. de Vivie-Riedle, J. Chem. Phys. 135, 034304 (2011)], 10.1063/1.3608924. It allows to extract the low-lying regions for non-radiative transitions, which are then divided into small linear segments. Rules of thumb are introduced to find the support points for these segments, which are then used in a linear interpolation scheme for a first estimation of the intersection seams. Quantum chemical optimization of the linear interpolated structures yields the final energetic position. We demonstrate our method for the example of the electrocyclic isomerization of trifluoromethyl-pyrrolylfulgide.

  14. Caregiver Well-Being: Intersections of Relationship and Gender.

    PubMed

    Chappell, Neena L; Dujela, Carren; Smith, André

    2015-08-01

    We know much about caregiving women compared with caregiving men and caregiving spouses compared with caregiving adult children. We know less about the intersections of relationship and gender. This article explores this intersection through the well-being (burden and self-esteem) of caregivers to family members with dementia. Throughout British Columbia, Canada, 873 caregivers were interviewed in person for on average, over 1½ hours. The results reveal that daughters experience the highest burden but also the highest self-esteem, suggesting the role is less salient for their self-identities. Wives emerge as the most vulnerable of the four groups when both burden and self-esteem are considered. The data confirm the usefulness of the intersectionality framework for understanding co-occupancy of more than one status and indicate that positive cognitive well-being and negative affective well-being can be differentially related. Multivariate analyses confirm the importance of caregiver, not patient, characteristics for burden and self-esteem. © The Author(s) 2014.

  15. Failure at Frame-Stringer Intersections in PRSEUS Panels

    NASA Technical Reports Server (NTRS)

    Jegley, Dawn C.

    2012-01-01

    NASA, the Air Force Research Laboratory and The Boeing Company have worked to develop new low-cost, light-weight composite structures for aircraft. A Pultruded Rod Stitched Efficient Unitized Structure (PRSEUS) concept has been developed which offers advantages over traditional metallic structures. In this concept a stitched carbon-epoxy material system has been developed with the potential for reducing the weight and cost of transport aircraft structure by eliminating fasteners, thereby reducing part count and labor. By adding unidirectional carbon rods to the top of stiffeners, the panel becomes more structurally efficient. This combination produces a more damage tolerant design. This study focuses on the intersection between the rod-stiffener and the foam-filled frame in a PRSEUS specimen. Compression loading is considered, which induces stress concentrations at the intersection point that can lead to failures. An experiment with accompanying analysis for a single-frame specimen is described, followed by a parametric study of simple reinforcements to reduce strains in the intersection region.

  16. Conical intersection seams in polyenes derived from their chemical composition

    SciTech Connect

    Nenov, Artur; Vivie-Riedle, Regina de

    2012-08-21

    The knowledge of conical intersection seams is important to predict and explain the outcome of ultrafast reactions in photochemistry and photobiology. They define the energetic low-lying reachable regions that allow for the ultrafast non-radiative transitions. In complex molecules it is not straightforward to locate them. We present a systematic approach to predict conical intersection seams in multifunctionalized polyenes and their sensitivity to substituent effects. Included are seams that facilitate the photoreaction of interest as well as seams that open competing loss channels. The method is based on the extended two-electron two-orbital method [A. Nenov and R. de Vivie-Riedle, J. Chem. Phys. 135, 034304 (2011)]. It allows to extract the low-lying regions for non-radiative transitions, which are then divided into small linear segments. Rules of thumb are introduced to find the support points for these segments, which are then used in a linear interpolation scheme for a first estimation of the intersection seams. Quantum chemical optimization of the linear interpolated structures yields the final energetic position. We demonstrate our method for the example of the electrocyclic isomerization of trifluoromethyl-pyrrolylfulgide.

  17. Ion transport through a T-intersection of nanofluidic channels

    NASA Astrophysics Data System (ADS)

    Daiguji, Hirofumi; Adachi, Takuma; Tatsumi, Naoya

    2008-08-01

    Ion transport through a T-intersection of two silica nanochannels (a main channel, 5-μm long and 30-nm wide, and a subchannel, 5-μm long and 15-nm wide) with a surface charge distribution was investigated based on continuum dynamics calculations. The surface charge within 250nm of the intersection in the main channel and the entire subchannel was positive and that in the main channel outside this intersection region was negative. This nanofluidic system is analogous to a p-n-p transistor. The calculation results revealed that, by adjusting the electric potentials at the ends of the nanochannels, the ionic current could be (1) cut off, (2) regulated in the main channel, (3) diverged into the main and subchannels, (4) turned from the main channel to the subchannel, and (5) merged into the subchannel. A series connection of this nanofluidic system can therefore be used in biotechnological applications for electrophoretic separation and for sorting of ions and biomolecules.

  18. Binary Interval Search: a scalable algorithm for counting interval intersections

    PubMed Central

    Layer, Ryan M.; Skadron, Kevin; Robins, Gabriel; Hall, Ira M.; Quinlan, Aaron R.

    2013-01-01

    Motivation: The comparison of diverse genomic datasets is fundamental to understand genome biology. Researchers must explore many large datasets of genome intervals (e.g. genes, sequence alignments) to place their experimental results in a broader context and to make new discoveries. Relationships between genomic datasets are typically measured by identifying intervals that intersect, that is, they overlap and thus share a common genome interval. Given the continued advances in DNA sequencing technologies, efficient methods for measuring statistically significant relationships between many sets of genomic features are crucial for future discovery. Results: We introduce the Binary Interval Search (BITS) algorithm, a novel and scalable approach to interval set intersection. We demonstrate that BITS outperforms existing methods at counting interval intersections. Moreover, we show that BITS is intrinsically suited to parallel computing architectures, such as graphics processing units by illustrating its utility for efficient Monte Carlo simulations measuring the significance of relationships between sets of genomic intervals. Availability: https://github.com/arq5x/bits. Contact: arq5x@virginia.edu Supplementary information: Supplementary data are available at Bioinformatics online. PMID:23129298

  19. Comparison of Two Algebraic Methods for Curve/curve Intersection

    NASA Technical Reports Server (NTRS)

    Demontaudouin, Y.; Tiller, W.

    1985-01-01

    Most geometric modeling systems use either polynomial or rational functions to represent geometry. In such systems most computational problems can be formulated as systems of polynomials in one or more variables. Classical elimination theory can be used to solve such systems. Here Cayley's method of elimination is summarized and it is shown how it can best be used to solve the curve/curve intersection problem. Cayley's method was found to be a more straightforward approach. Furthermore, it is computationally simpler, since the elements of the Cayley matrix are one variable instead of two variable polynomials. Researchers implemented and tested both methods and found Cayley's to be more efficient. Six pairs of curves, representing mixtures of lines, circles, and cubic arcs were used. Several examples had multiple intersection points. For all six cases Cayley's required less CPU time than the other method. The average time ratio of method 1 to method 2 was 3.13:1, the least difference was 2.33:1, and the most dramatic was 6.25:1. Both of the above methods can be extended to solve the surface/surface intersection problem.

  20. Traffic light detection and intersection crossing using mobile computer vision

    NASA Astrophysics Data System (ADS)

    Grewei, Lynne; Lagali, Christopher

    2017-05-01

    The solution for Intersection Detection and Crossing to support the development of blindBike an assisted biking system for the visually impaired is discussed. Traffic light detection and intersection crossing are key needs in the task of biking. These problems are tackled through the use of mobile computer vision, in the form of a mobile application on an Android phone. This research builds on previous Traffic Light detection algorithms with a focus on efficiency and compatibility on a resource-limited platform. Light detection is achieved through blob detection algorithms utilizing training data to detect patterns of Red, Green and Yellow in complex real world scenarios where multiple lights may be present. Also, issues of obscurity and scale are addressed. Safe Intersection crossing in blindBike is also discussed. This module takes a conservative "assistive" technology approach. To achieve this blindBike use's not only the Android device but, an external bike cadence Bluetooth/Ant enabled sensor. Real world testing results are given and future work is discussed.

  1. Chapter 4: Ultrafast Internal Conversion of Pyrazine via Conical Intersection

    NASA Astrophysics Data System (ADS)

    Suzuki, T.; Suzuki, Y. I.

    2014-04-01

    We describe recent experimental studies of internal conversion via conical intersection in pyrazine. Ultrafast S2 - S1 internal conversion is observed in real time using a time-resolved photoelectron imaging (TRPEI) method with a time resolution of 22 fs. This method enables us to obtain a time-energy map of the photoelectron angular anisotropy, which unambiguously reveals the signature of internal conversion. Furthermore, the time-energy map of the photoelectron kinetic energy distribution (PKED) exhibits vibrational quantum beats of totally symmetric modes in S1 after internal conversion. We also studied similar conical intersections between D1(π-1) and D0(n-1) by He(I) photoelectron spectroscopy and pulsed field ionization photoelectron spectroscopy. The existence of ultrafast internal conversion from D1 to D0 is confirmed by broadening of He(I) photoelectron spectra of pyrazine and deuterated pyrazine. Comparison of these spectra with one-color resonance-enhanced multiphoton ionization (REMPI) spectra of the 3s Rydberg states clearly indicates that the conical intersection between D1 and D0 induces ultrafast internal conversion from the Rydberg state with a D1 ion core to that with a D0 ion core.

  2. Traditional medicine of Baja California Sur (Mexico). II.

    PubMed

    Encarnacion Dimayuga, R; Fort Murillo, R; Luis Pantoja, M

    1987-08-01

    Continuing our studies of traditional medicine, as used in rural areas of Baja California Sur, now we wish to report on the medicinal uses of 49 more plants. Some of the more complex recipes of these medicinal plants, are discussed in the present paper. The information presented here was collected in the Municipio of Los Cabos and part of the Municipio of La Paz, B.C.S., Mexico.

  3. Predicting crash-relevant violations at stop sign-controlled intersections for the development of an intersection driver assistance system.

    PubMed

    Scanlon, John M; Sherony, Rini; Gabler, Hampton C

    2016-09-01

    Intersection crashes resulted in over 5,000 fatalities in the United States in 2014. Intersection Advanced Driver Assistance Systems (I-ADAS) are active safety systems that seek to help drivers safely traverse intersections. I-ADAS uses onboard sensors to detect oncoming vehicles and, in the event of an imminent crash, can either alert the driver or take autonomous evasive action. The objective of this study was to develop and evaluate a predictive model for detecting whether a stop sign violation was imminent. Passenger vehicle intersection approaches were extracted from a data set of typical driver behavior (100-Car Naturalistic Driving Study) and violations (event data recorders downloaded from real-world crashes) and were assigned weighting factors based on real-world frequency. A k-fold cross-validation procedure was then used to develop and evaluate 3 hypothetical stop sign warning algorithms (i.e., early, intermediate, and delayed) for detecting an impending violation during the intersection approach. Violation detection models were developed using logistic regression models that evaluate likelihood of a violation at various locations along the intersection approach. Two potential indicators of driver intent to stop-that is, required deceleration parameter (RDP) and brake application-were used to develop the predictive models. The earliest violation detection opportunity was then evaluated for each detection algorithm in order to (1) evaluate the violation detection accuracy and (2) compare braking demand versus maximum braking capabilities. A total of 38 violating and 658 nonviolating approaches were used in the analysis. All 3 algorithms were able to detect a violation at some point during the intersection approach. The early detection algorithm, as designed, was able to detect violations earlier than all other algorithms during the intersection approach but gave false alarms for 22.3% of approaches. In contrast, the delayed detection algorithm sacrificed

  4. Rural Wellness and Prevention

    MedlinePlus

    ... I Rural? Economic Impact Analysis Tool Planning for Sustainability Rural Health IT Curriculum Resources Testing New Approaches ... health of all groups Create social and physical environments that promote good health for all Promote quality ...

  5. Rural People with Disabilities

    MedlinePlus

    ... Topics & States Topics View more Rural People with Disabilities People with disabilities, young and old, who live ... Act for local government? How many people with disabilities live in rural areas? According to the U.S. ...

  6. Medicaid and Rural Health

    MedlinePlus

    ... How does Medicaid impact rural healthcare and the economy? In many ways, Medicaid plays a larger role ... the report states that “Medicaid contributes to rural economic development in four important ways: providing opportunity for ...

  7. Rural ground water contamination

    SciTech Connect

    D'Itri, F.M.

    1987-01-01

    The contents of this book are: Remedial Actions; Analysis and Control of Rural Ground Wate; Ground Water Contamination Sources; Research Theory, and Practice; and Regulations Pertaining to Rural Ground Water.

  8. Supporting Sustainable Rural Communities

    EPA Pesticide Factsheets

    Supporting Sustainable Rural Communities summarizes the findings of a work group of EPA, HUD, DOT, and USDA and creates a framework for the Partnership for Sustainable Communities’ future work with rural communities.

  9. Medicare and Rural Health

    MedlinePlus

    ... differences exist in rural and urban Medicare enrollee populations? According to MedPAC’s Report to the Congress (June ... rural people make up 19% of the U.S. population and you will see why the Medicare program ...

  10. Unsupervised firearm handling by California adolescents

    PubMed Central

    Miller, M; Hemenway, D

    2004-01-01

    Objective: Relatively little is known about the behavior of adolescents around firearms. The present investigation was undertaken to estimate the proportion of community-residing adolescents who report that they have ever handled a gun without adult knowledge or supervision. Methods: A random digit dial interview was conducted with 5801 California adolescents as part of the California Health Interview Survey. Respondents were asked whether they have ever held a gun and whether they have ever done so without adult knowledge or supervision. Study design and population weights were applied to these data. In addition, adolescents' reports about the most recent unsupervised handling incident were coded to ascertain what they were doing with the gun as well as with whom and where the incident occurred. Results: One third (33%) of California adolescents report that they have handled a firearm; 5% report that they have done so without adult knowledge or supervision. Half (49%) of all unsupervised handling involved shooting and only 11% occurred in the respondent's home. Several demographic variables (being male, African American, living in a rural area) and risk behaviors (smoking, drinking, being the victim of a gun related threat), as well as having a gun in the home and parents not knowing the adolescent's whereabouts in the afternoon were each associated with unsupervised gun handling. Conclusions: Unsupervised gun handling is associated with other health risk behaviors. Unsupervised gun handling typically involves shooting the gun and usually occurs with friends, away from the home. PMID:15178673

  11. Energy, the Environment, and the California - Baja California Border Region

    SciTech Connect

    Powers, Bill

    2005-07-01

    The continued development of Baja California as an electricity and natural gas supply source for California is not in the best public interest of the citizens of Baja California or California. Siting power plants in the badly contaminated Imperial County - Mexicali air basin to serve Southern California load center raises serious environmental justice issues on both sides of the border that are not adequately addressed by existing environmental protection regulations.

  12. Rural Youths' Images of the Rural

    ERIC Educational Resources Information Center

    Rye, Johan Fredrik

    2006-01-01

    Following the cultural turn within the social sciences, recent debates on how to conceptualise "the rural" have focused on "rurality" as a phenomenon produced by processes of social construction. This paper presents an empirical account of the outcome of these social construction processes through an analysis of how teenagers…

  13. Rural Education and Rural Community Viability.

    ERIC Educational Resources Information Center

    Hammer, Patricia Cahape

    This thesis examines the ways in which rural schools support or undermine rural community viability in the United States. Beginning in the late 19th century, the diverse people of the United States came under the power of a single ideology of modernization and the superiority of urban culture. This ideology has resulted in the American transition…

  14. Rural Education Issues: Rural Administrators Speak Out

    ERIC Educational Resources Information Center

    Williams, Julia; Nierengarten, Gerry

    2010-01-01

    The purpose of this study was to identify the issues that most affect Minnesota's rural public school administrators as they attempt to fulfill the mandates required from state legislation and communities. A second purpose was to identify exemplary practices valued by individual Minnesota rural schools and districts. Electronic surveys were sent…

  15. Rural Education: Learning to Be Rural Teachers

    ERIC Educational Resources Information Center

    Barter, Barbara

    2008-01-01

    Purpose: This paper draws on research which began in 2006 with students in a graduate course on rural education. Its purpose was to find out what graduate students saw as current issues of rural education, how that compared to the literature, and what they thought supporting agencies such as government and universities needed to be doing to…

  16. Geocoding police collision report data from California: a comprehensive approach

    PubMed Central

    2009-01-01

    Background Collision geocoding is the process of assigning geographic descriptors, usually latitude and longitude coordinates, to a traffic collision record. On California police reports, relative collision location is recorded using a highway postmile marker or a street intersection. The objective of this study was to create a geocoded database of all police-reported, fatal and severe injury collisions in the California Statewide Integrated Traffic Records System (SWITRS) for years 1997-2006 for use by public agencies. Results Geocoding was completed with a multi-step process. First, pre-processing was performed using a scripting language to clean and standardize street name information. A state highway network with postmile values was then created using a custom tool written in Visual Basic for Applications (VBA) in ArcGIS software. Custom VBA functionality was also used to incorporate the offset direction and distance. Intersection and address geocoding was performed using ArcGIS, StreetMap Pro 2003 digital street network, and Google Earth Pro. A total of 142,007 fatal and severe injury collisions were identified in SWITRS. The geocoding match rate was 99.8% for postmile-coded collisions and 86% for intersection-coded collisions. The overall match rate was 91%. Conclusions The availability of geocoded collision data will be beneficial to clinicians, researchers, policymakers, and practitioners in the fields of traffic safety and public health. Potential uses of the data include studies of collision clustering on the highway system, examinations of the associations between collision occurrence and a variety of variables on environmental and social characteristics, including housing and personal demographics, alcohol outlets, schools, and parks. The ability to build maps may be useful in research planning and conduct and in the delivery of information to both technical and non-technical audiences. PMID:20040106

  17. Rural Poverty and Welfare.

    ERIC Educational Resources Information Center

    Rural Housing Alliance, Washington, DC.

    Today poverty in rural America remains pervasive and persistent. A decade ago, 14 million rural Americans were classified as "officially" poor. In 1973, nearly 9.2 million were classified poor. The decline in rural poverty over the years has been minimal. This paper briefly documents the poverty statistics according to the living standards used by…

  18. [Accessible Rural Housing.

    ERIC Educational Resources Information Center

    Baker, Nick, Ed.

    1995-01-01

    This issue of the quarterly newsletter "Rural Exchange" provides information and resources on accessible rural housing for the disabled. "Accessible Manufactured Housing Could Increase Rural Home Supply" (Nick Baker) suggests that incorporation of access features such as lever door handles and no-step entries into manufactured housing could help…

  19. Rural Research Needs.

    ERIC Educational Resources Information Center

    Jones, Lewis W.

    The following rural sociological research needs were identified: (1) acceptance of general sociological theory and methodology for use in "Rural" research; (2) recognition of bench marks and probable base lines in rural sociological research; (3) collection of widely scattered reports for examination and perhaps respecification; (4) establishment…

  20. Reaching Rural Families.

    ERIC Educational Resources Information Center

    Bernard van Leer Foundation Newsletter, 1995

    1995-01-01

    This newsletter issue focuses on programming undertaken to address the health and educational needs of rural families in developing and developed nations. After examining the nature of rural families and rural poverty, the newsletter discusses: (1) the Mon Women's Organization in Thailand; (2) The "Contact With Kids" parent education…