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Sample records for bayou hebert prospect

  1. Geopressured geothermal resource potential of Miocene Bayou Hebert Prospect, Vermilion and Iberia parishes, Louisiana

    SciTech Connect

    McCulloh, R.P.; Pino, M.A.; Bebout, D.G.; Bachman, A.L.

    1981-01-01

    The Bayou Hebert prospect is a fault-bounded block of lower Miocene shale and sandstone which covers a 75-square-mile area in southeastern Vermilion and southwestern Iberia parishes, southwestern Louisiana. The average depth to the top of the geopressured zone is 12,500 feet. Detailed correlation of shale resistivity patterns on well logs from this area has delineated faults, local unconformities, and changes in thickness and facies of lithologic units. Most faults revealed by this method are associated with the boundary fault zones, but the few delineated in the interior of the prospect could reduce the volume of potential reservoir units. Cross sections show that the lower Miocene section thickens across growth faults by addition of new units as well as by expansion. Of the parameters of reservoir volume, salinity, temperature, and permeability, reservoir volume shows the most significant variation and indicates that the eastern fourth of the prospect has the most geopressured geothermal potential.

  2. Structural-stratigraphic setting of South Freshwater Bayou Prospect, Vermilion Parish, Louisiana

    SciTech Connect

    Cavanagh, T.; Pilger, R.H. Jr.; Bebout, D.G.; Bachman, A.L.

    1981-01-01

    The primary reservoir targets in South Freshwater Bayou Prospect are sands whose deposition appears to have been structurally controlled. The growth of a deep domal feature localized deepwater sand deposition on its flanks, thereby producing a significant thickness of subsequently geopressured sandstone. The area is, therefore, not only prospective in its own right, but provides an exploration model for other geopressured-geothermal prospects.

  3. VIEW NORTHWEST, EAST SIDE OF HEBERT'S 1949 HANGAR AND ONESTORY ...

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

    VIEW NORTHWEST, EAST SIDE OF HEBERT'S 1949 HANGAR AND ONE-STORY OFFICE, AND SOUTH SIDE OF HEBERT'S 1949 HANGAR - Capital City Airport, Capital City Aviation, North side of Grand River Avenue, Lansing, Ingham County, MI

  4. 2011 Bayou Regional

    NASA Image and Video Library

    2011-03-19

    Students from 38 high school teams in seven states competed for top honors during the 2011 FIRST (For Inspiration and Recognition of Science and Technology) Robotics Bayou Regional competition held March 17-19 in the New Orleans area. In this photo, members of the robotics team from Gulfport High School guide their robot during the annual tournament. The robotics competition is designed to help encourage students to pursue studies and careers in the areas of science, technology, engineering and mathematics. John C. Stennis Space Center is a supporter of FIRST activities and the Bayou Regional tournament.

  5. Big Bayou Creek and Little Bayou Creek Watershed Monitoring Program

    SciTech Connect

    Kszos, L.A.; Peterson, M.J.; Ryon; Smith, J.G.

    1999-03-01

    Biological monitoring of Little Bayou and Big Bayou creeks, which border the Paducah Site, has been conducted since 1987. Biological monitoring was conducted by University of Kentucky from 1987 to 1991 and by staff of the Environmental Sciences Division (ESD) at Oak Ridge National Laboratory (ORNL) from 1991 through March 1999. In March 1998, renewed Kentucky Pollutant Discharge Elimination System (KPDES) permits were issued to the US Department of Energy (DOE) and US Enrichment Corporation. The renewed DOE permit requires that a watershed monitoring program be developed for the Paducah Site within 90 days of the effective date of the renewed permit. This plan outlines the sampling and analysis that will be conducted for the watershed monitoring program. The objectives of the watershed monitoring are to (1) determine whether discharges from the Paducah Site and the Solid Waste Management Units (SWMUs) associated with the Paducah Site are adversely affecting instream fauna, (2) assess the ecological health of Little Bayou and Big Bayou creeks, (3) assess the degree to which abatement actions ecologically benefit Big Bayou Creek and Little Bayou Creek, (4) provide guidance for remediation, (5) provide an evaluation of changes in potential human health concerns, and (6) provide data which could be used to assess the impact of inadvertent spills or fish kill. According to the cleanup will result in these watersheds [Big Bayou and Little Bayou creeks] achieving compliance with the applicable water quality criteria.

  6. The Chickasaw Bayou Campaign.

    DTIC Science & Technology

    1991-06-07

    maze of swamps, bayous, and old river beds. From the Yazoo juncture with the Mississippi River, the first open and dry ground suitable for a landing...division would traverse. The Union skirmish line was fifty yards away from the bayou. That fifty yards was a maze of fallen timber. One hundred yards...Third Division. Receiving fire from the direction of the Indian Mound, Abbott had his troops lay down and sent a runner to Steele for instructions. In

  7. Taking Their Show on the Road: Becky Hebert & Siobhan Champ-Blackwell--National Network of Libraries of Medicine

    ERIC Educational Resources Information Center

    Library Journal, 2005

    2005-01-01

    They're two very different women with the same mission: outreach to medically underserved populations. Both work for the National Network of Libraries of Medicine. Becky Hebert (left) covers the Southeast/Atlantic region, and Siobhan Champ-Blackwell, the mid-continental region. They spend much of their lives on the road, exhibiting at minority…

  8. 33 CFR 117.301 - Massalina Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Massalina Bayou. 117.301 Section... DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.301 Massalina Bayou. The draw of the Tarpon Dock bascule span bridge, Massalina Bayou, mile 0.0 at Panama City, shall open on signal;...

  9. 33 CFR 117.301 - Massalina Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Massalina Bayou. 117.301 Section... DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.301 Massalina Bayou. The draw of the Tarpon Dock bascule span bridge, Massalina Bayou, mile 0.0 at Panama City, shall open on signal;...

  10. 33 CFR 117.301 - Massalina Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Massalina Bayou. 117.301 Section... DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.301 Massalina Bayou. The draw of the Tarpon Dock bascule span bridge, Massalina Bayou, mile 0.0 at Panama City, shall open on signal;...

  11. 33 CFR 117.301 - Massalina Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Massalina Bayou. 117.301 Section... DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.301 Massalina Bayou. The draw of the Tarpon Dock bascule span bridge, Massalina Bayou, mile 0.0 at Panama City, shall open on signal;...

  12. 33 CFR 117.301 - Massalina Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Massalina Bayou. 117.301 Section... DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.301 Massalina Bayou. The draw of the Tarpon Dock bascule span bridge, Massalina Bayou, mile 0.0 at Panama City, shall open on signal;...

  13. 88. (Credit CBF) Twelve Mile Bayou Pumping Station and force ...

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

    88. (Credit CBF) Twelve Mile Bayou Pumping Station and force main for pumping water over levee and into the canal (Blind Bayou), March 1913. - McNeil Street Pumping Station, McNeil Street & Cross Bayou, Shreveport, Caddo Parish, LA

  14. 86. (Credit CBF) Canal between Twelve Mile Bayou and Cross ...

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

    86. (Credit CBF) Canal between Twelve Mile Bayou and Cross Bayou in the bed of Blind Bayou (constructed 1901-1903). Photo taken in November of 1911. - McNeil Street Pumping Station, McNeil Street & Cross Bayou, Shreveport, Caddo Parish, LA

  15. 33 CFR 117.957 - Cedar Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Cedar Bayou. 117.957 Section 117.957 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.957 Cedar Bayou. The draw of the Union Pacific...

  16. 33 CFR 117.959 - Chocolate Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Chocolate Bayou. 117.959 Section 117.959 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.959 Chocolate Bayou. The draw of the Union...

  17. 33 CFR 117.965 - Cow Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Cow Bayou. 117.965 Section 117.965 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.965 Cow Bayou. The draws of the Orange...

  18. 33 CFR 117.435 - Carlin Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Carlin Bayou. 117.435 Section 117.435 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.435 Carlin Bayou. (a) The draw of the...

  19. 33 CFR 117.437 - Colyell Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Colyell Bayou. 117.437 Section 117.437 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.437 Colyell Bayou. The removable...

  20. 33 CFR 117.481 - Milhomme Bayou

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Milhomme Bayou 117.481 Section 117.481 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.481 Milhomme Bayou The draw of...

  1. 33 CFR 117.479 - Macon Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Macon Bayou. 117.479 Section 117.479 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.479 Macon Bayou. The draw of the S4 bridge,...

  2. 33 CFR 117.463 - Lacombe Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Lacombe Bayou. 117.463 Section 117.463 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.463 Lacombe Bayou. The draw of...

  3. 33 CFR 117.437 - Colyell Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Colyell Bayou. 117.437 Section 117.437 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.437 Colyell Bayou. The removable...

  4. 33 CFR 117.463 - Lacombe Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Lacombe Bayou. 117.463 Section 117.463 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.463 Lacombe Bayou. The draw of...

  5. 33 CFR 117.279 - Coffeepot Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Coffeepot Bayou. 117.279 Section 117.279 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.279 Coffeepot Bayou. The draw of...

  6. 33 CFR 117.505 - Terrebonne Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Terrebonne Bayou. 117.505 Section 117.505 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.505 Terrebonne Bayou. (a) The draw...

  7. 33 CFR 117.482 - Nezpique Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Nezpique Bayou. 117.482 Section 117.482 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.482 Nezpique Bayou. The draw of...

  8. 33 CFR 117.955 - Buffalo Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Buffalo Bayou. 117.955 Section 117.955 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.955 Buffalo Bayou. (a) The draw of...

  9. 33 CFR 117.341 - Whitcomb Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Whitcomb Bayou. 117.341 Section 117.341 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.341 Whitcomb Bayou. The draw of...

  10. 33 CFR 117.967 - Greens Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Greens Bayou. 117.967 Section 117.967 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.967 Greens Bayou. The draw of the Port...

  11. 33 CFR 117.497 - Stumpy Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Stumpy Bayou. 117.497 Section 117.497 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.497 Stumpy Bayou. The removable span of...

  12. 33 CFR 117.461 - Lacassine Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Lacassine Bayou. 117.461 Section 117.461 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.461 Lacassine Bayou. The draws of...

  13. 33 CFR 117.105 - Bayou Sara.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Bayou Sara. 117.105 Section 117.105 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Alabama § 117.105 Bayou Sara. The draw of the CSX...

  14. 33 CFR 117.425 - Black Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Black Bayou. 117.425 Section 117.425 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.425 Black Bayou. The draws of the...

  15. 33 CFR 117.279 - Coffeepot Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Coffeepot Bayou. 117.279 Section 117.279 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.279 Coffeepot Bayou. The draw of...

  16. 33 CFR 117.497 - Stumpy Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Stumpy Bayou. 117.497 Section 117.497 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.497 Stumpy Bayou. The removable span of...

  17. 33 CFR 117.459 - Kelso Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Kelso Bayou. 117.459 Section 117.459 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.459 Kelso Bayou. The draw of the S27 bridge...

  18. 33 CFR 117.965 - Cow Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Cow Bayou. 117.965 Section 117.965 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.965 Cow Bayou. The draws of the Orange...

  19. 33 CFR 117.425 - Black Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Black Bayou. 117.425 Section 117.425 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.425 Black Bayou. The draws of the...

  20. 33 CFR 117.497 - Stumpy Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Stumpy Bayou. 117.497 Section 117.497 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.497 Stumpy Bayou. The removable span of...

  1. 33 CFR 117.437 - Colyell Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Colyell Bayou. 117.437 Section 117.437 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.437 Colyell Bayou. The removable...

  2. 33 CFR 117.507 - Tigre Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Tigre Bayou. 117.507 Section 117.507 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.507 Tigre Bayou. The draw of the S330...

  3. 33 CFR 117.959 - Chocolate Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Chocolate Bayou. 117.959 Section 117.959 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.959 Chocolate Bayou. The draw of the...

  4. 33 CFR 117.488 - Plaquemine Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Plaquemine Bayou. 117.488 Section 117.488 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.488 Plaquemine Bayou. (a) The draw...

  5. 33 CFR 117.435 - Carlin Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Carlin Bayou. 117.435 Section 117.435 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.435 Carlin Bayou. The draw of the S14...

  6. 33 CFR 117.955 - Buffalo Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Buffalo Bayou. 117.955 Section 117.955 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.955 Buffalo Bayou. (a) The draw of...

  7. 33 CFR 117.481 - Milhomme Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Milhomme Bayou. 117.481 Section 117.481 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.481 Milhomme Bayou. The draw of...

  8. 33 CFR 117.469 - Liberty Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Liberty Bayou. 117.469 Section 117.469 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.469 Liberty Bayou. The draw of...

  9. 33 CFR 117.987 - Taylor Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Taylor Bayou. 117.987 Section 117.987 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.987 Taylor Bayou. The draws of the Union...

  10. 33 CFR 117.479 - Macon Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Macon Bayou. 117.479 Section 117.479 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.479 Macon Bayou. The draw of the S4 bridge,...

  11. 33 CFR 117.987 - Taylor Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Taylor Bayou. 117.987 Section 117.987 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.987 Taylor Bayou. The draws of the Union...

  12. 33 CFR 117.341 - Whitcomb Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Whitcomb Bayou. 117.341 Section 117.341 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.341 Whitcomb Bayou. The draw of...

  13. 33 CFR 117.469 - Liberty Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Liberty Bayou. 117.469 Section 117.469 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.469 Liberty Bayou. The draw of...

  14. 33 CFR 117.507 - Tigre Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Tigre Bayou. 117.507 Section 117.507 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.507 Tigre Bayou. The draw of the S330...

  15. 33 CFR 117.429 - Boeuf Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Boeuf Bayou. 117.429 Section 117.429 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.429 Boeuf Bayou. The draw of the S307...

  16. 33 CFR 117.479 - Macon Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Macon Bayou. 117.479 Section 117.479 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.479 Macon Bayou. The draw of the S4 bridge,...

  17. 33 CFR 117.459 - Kelso Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Kelso Bayou. 117.459 Section 117.459 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.459 Kelso Bayou. The draw of the S27 bridge...

  18. 33 CFR 117.967 - Greens Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Greens Bayou. 117.967 Section 117.967 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.967 Greens Bayou. The draw of the Port...

  19. 33 CFR 117.461 - Lacassine Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Lacassine Bayou. 117.461 Section 117.461 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.461 Lacassine Bayou. The draws of...

  20. 33 CFR 117.461 - Lacassine Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Lacassine Bayou. 117.461 Section 117.461 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.461 Lacassine Bayou. The draws of...

  1. 33 CFR 117.485 - Patout Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Patout Bayou. 117.485 Section 117.485 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.485 Patout Bayou. The draw of the S83...

  2. 33 CFR 117.435 - Carlin Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Carlin Bayou. 117.435 Section 117.435 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.435 Carlin Bayou. The draw of the S14...

  3. 33 CFR 117.459 - Kelso Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Kelso Bayou. 117.459 Section 117.459 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.459 Kelso Bayou. The draw of the S27 bridge...

  4. 33 CFR 117.505 - Terrebonne Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Terrebonne Bayou. 117.505 Section 117.505 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.505 Terrebonne Bayou. (a) The draw...

  5. 33 CFR 117.469 - Liberty Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Liberty Bayou. 117.469 Section 117.469 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.469 Liberty Bayou. The draw of...

  6. 33 CFR 117.429 - Boeuf Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Boeuf Bayou. 117.429 Section 117.429 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.429 Boeuf Bayou. The draw of the S307...

  7. 33 CFR 117.435 - Carlin Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Carlin Bayou. 117.435 Section 117.435 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.435 Carlin Bayou. (a) The draw of the...

  8. 33 CFR 117.341 - Whitcomb Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Whitcomb Bayou. 117.341 Section 117.341 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.341 Whitcomb Bayou. The draw of...

  9. 33 CFR 117.507 - Tigre Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Tigre Bayou. 117.507 Section 117.507 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.507 Tigre Bayou. The draw of the S330...

  10. 33 CFR 117.279 - Coffeepot Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Coffeepot Bayou. 117.279 Section 117.279 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.279 Coffeepot Bayou. The draw of...

  11. 33 CFR 117.485 - Patout Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Patout Bayou. 117.485 Section 117.485 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.485 Patout Bayou. The draw of the S83...

  12. 33 CFR 117.429 - Boeuf Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Boeuf Bayou. 117.429 Section 117.429 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.429 Boeuf Bayou. The draw of the S307...

  13. 33 CFR 117.105 - Bayou Sara.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Bayou Sara. 117.105 Section 117.105 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Alabama § 117.105 Bayou Sara. The draw of the CSX...

  14. 33 CFR 117.965 - Cow Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Cow Bayou. 117.965 Section 117.965 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.965 Cow Bayou. The draws of the Orange...

  15. 33 CFR 117.425 - Black Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Black Bayou. 117.425 Section 117.425 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.425 Black Bayou. The draws of the...

  16. 33 CFR 117.967 - Greens Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Greens Bayou. 117.967 Section 117.967 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.967 Greens Bayou. The draw of the Port...

  17. 33 CFR 117.501 - Teche Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Teche Bayou. 117.501 Section 117.501 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.501 Teche Bayou. (a) The draws of the...

  18. 33 CFR 117.497 - Stumpy Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Stumpy Bayou. 117.497 Section 117.497 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.497 Stumpy Bayou. The removable span of...

  19. 33 CFR 117.488 - Plaquemine Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Plaquemine Bayou. 117.488 Section 117.488 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.488 Plaquemine Bayou. (a) The draw...

  20. 33 CFR 117.987 - Taylor Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Taylor Bayou. 117.987 Section 117.987 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.987 Taylor Bayou. The draws of the Union...

  1. 33 CFR 117.469 - Liberty Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Liberty Bayou. 117.469 Section 117.469 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.469 Liberty Bayou. The draw of...

  2. 33 CFR 117.433 - Bonfouca Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Bonfouca Bayou. 117.433 Section 117.433 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.433 Bonfouca Bayou. The draw of...

  3. 33 CFR 117.433 - Bonfouca Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Bonfouca Bayou. 117.433 Section 117.433 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.433 Bonfouca Bayou. The draw of...

  4. 33 CFR 117.987 - Taylor Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Taylor Bayou. 117.987 Section 117.987 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.987 Taylor Bayou. The draws of the Union...

  5. 33 CFR 117.341 - Whitcomb Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Whitcomb Bayou. 117.341 Section 117.341 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.341 Whitcomb Bayou. The draw of...

  6. 33 CFR 117.959 - Chocolate Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Chocolate Bayou. 117.959 Section 117.959 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.959 Chocolate Bayou. The draw of the...

  7. 33 CFR 117.482 - Nezpique Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Nezpique Bayou. 117.482 Section 117.482 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.482 Nezpique Bayou. The draw of...

  8. 33 CFR 117.482 - Nezpique Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Nezpique Bayou. 117.482 Section 117.482 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.482 Nezpique Bayou. The draw of...

  9. 33 CFR 117.501 - Teche Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Teche Bayou. 117.501 Section 117.501 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.501 Teche Bayou. (a) The draws of the...

  10. 33 CFR 117.987 - Taylor Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Taylor Bayou. 117.987 Section 117.987 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.987 Taylor Bayou. The draws of the Union...

  11. 33 CFR 117.429 - Boeuf Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Boeuf Bayou. 117.429 Section 117.429 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.429 Boeuf Bayou. The draw of the S307...

  12. 33 CFR 117.485 - Patout Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Patout Bayou. 117.485 Section 117.485 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.485 Patout Bayou. The draw of the S83...

  13. 33 CFR 117.279 - Coffeepot Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Coffeepot Bayou. 117.279 Section 117.279 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.279 Coffeepot Bayou. The draw of...

  14. 33 CFR 117.501 - Teche Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Teche Bayou. 117.501 Section 117.501 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.501 Teche Bayou. (a) The draws of the...

  15. 33 CFR 117.437 - Colyell Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Colyell Bayou. 117.437 Section 117.437 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.437 Colyell Bayou. The removable...

  16. 33 CFR 117.481 - Milhomme Bayou

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Milhomme Bayou 117.481 Section 117.481 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.481 Milhomme Bayou The draw of...

  17. 33 CFR 117.485 - Patout Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Patout Bayou. 117.485 Section 117.485 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.485 Patout Bayou. The draw of the S83...

  18. 33 CFR 117.488 - Plaquemine Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Plaquemine Bayou. 117.488 Section 117.488 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.488 Plaquemine Bayou. (a) The draw...

  19. 33 CFR 117.435 - Carlin Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Carlin Bayou. 117.435 Section 117.435 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.435 Carlin Bayou. The draw of the S14...

  20. 33 CFR 117.105 - Bayou Sara.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Bayou Sara. 117.105 Section 117.105 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Alabama § 117.105 Bayou Sara. The draw of the CSX...

  1. 33 CFR 117.497 - Stumpy Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Stumpy Bayou. 117.497 Section 117.497 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.497 Stumpy Bayou. The removable span of...

  2. 33 CFR 117.505 - Terrebonne Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Terrebonne Bayou. 117.505 Section 117.505 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.505 Terrebonne Bayou. (a) The draw...

  3. 33 CFR 117.507 - Tigre Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Tigre Bayou. 117.507 Section 117.507 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.507 Tigre Bayou. The draw of the S330...

  4. 33 CFR 117.429 - Boeuf Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Boeuf Bayou. 117.429 Section 117.429 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.429 Boeuf Bayou. The draw of the S307...

  5. 33 CFR 117.505 - Terrebonne Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Terrebonne Bayou. 117.505 Section 117.505 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.505 Terrebonne Bayou. (a) The draw...

  6. 33 CFR 117.425 - Black Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Black Bayou. 117.425 Section 117.425 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.425 Black Bayou. The draws of the...

  7. 33 CFR 117.955 - Buffalo Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Buffalo Bayou. 117.955 Section 117.955 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.955 Buffalo Bayou. (a) The draw of...

  8. 33 CFR 117.967 - Greens Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Greens Bayou. 117.967 Section 117.967 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.967 Greens Bayou. The draw of the Port...

  9. 33 CFR 117.485 - Patout Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Patout Bayou. 117.485 Section 117.485 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.485 Patout Bayou. The draw of the S83...

  10. 33 CFR 117.105 - Bayou Sara.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Bayou Sara. 117.105 Section 117.105 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Alabama § 117.105 Bayou Sara. The draw of the CSX...

  11. 33 CFR 117.965 - Cow Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Cow Bayou. 117.965 Section 117.965 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.965 Cow Bayou. The draws of the Orange...

  12. 33 CFR 117.955 - Buffalo Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Buffalo Bayou. 117.955 Section 117.955 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.955 Buffalo Bayou. (a) The draw of...

  13. 33 CFR 117.505 - Terrebonne Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Terrebonne Bayou. 117.505 Section 117.505 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.505 Terrebonne Bayou. (a) The draw...

  14. 33 CFR 117.465 - Lafourche Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Lafourche Bayou. 117.465 Section 117.465 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.465 Lafourche Bayou. (a) The draws...

  15. 33 CFR 117.501 - Teche Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Teche Bayou. 117.501 Section 117.501 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.501 Teche Bayou. (a) The draws of the...

  16. 33 CFR 117.482 - Nezpique Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Nezpique Bayou. 117.482 Section 117.482 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.482 Nezpique Bayou. The draw of...

  17. 33 CFR 117.433 - Bonfouca Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Bonfouca Bayou. 117.433 Section 117.433 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.433 Bonfouca Bayou. The draw of...

  18. 33 CFR 117.459 - Kelso Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Kelso Bayou. 117.459 Section 117.459 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.459 Kelso Bayou. The draw of the S27 bridge...

  19. 33 CFR 117.479 - Macon Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Macon Bayou. 117.479 Section 117.479 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.479 Macon Bayou. The draw of the S4 bridge,...

  20. 33 CFR 117.463 - Lacombe Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Lacombe Bayou. 117.463 Section 117.463 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.463 Lacombe Bayou. The draw of...

  1. 33 CFR 117.279 - Coffeepot Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Coffeepot Bayou. 117.279 Section 117.279 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.279 Coffeepot Bayou. The draw of...

  2. 33 CFR 117.481 - Milhomme Bayou

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Milhomme Bayou 117.481 Section 117.481 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.481 Milhomme Bayou The draw of...

  3. 33 CFR 117.507 - Tigre Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Tigre Bayou. 117.507 Section 117.507 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.507 Tigre Bayou. The draw of the S330...

  4. 33 CFR 117.501 - Teche Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Teche Bayou. 117.501 Section 117.501 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.501 Teche Bayou. (a) The draws of the...

  5. 33 CFR 117.488 - Plaquemine Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Plaquemine Bayou. 117.488 Section 117.488 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.488 Plaquemine Bayou. (a) The draw...

  6. 33 CFR 117.488 - Plaquemine Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Plaquemine Bayou. 117.488 Section 117.488 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.488 Plaquemine Bayou. (a) The draw...

  7. 33 CFR 117.965 - Cow Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Cow Bayou. 117.965 Section 117.965 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.965 Cow Bayou. The draws of the Orange...

  8. 33 CFR 117.482 - Nezpique Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Nezpique Bayou. 117.482 Section 117.482 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.482 Nezpique Bayou. The draw of...

  9. 33 CFR 117.341 - Whitcomb Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Whitcomb Bayou. 117.341 Section 117.341 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Florida § 117.341 Whitcomb Bayou. The draw of...

  10. 33 CFR 117.433 - Bonfouca Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Bonfouca Bayou. 117.433 Section 117.433 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.433 Bonfouca Bayou. The draw of...

  11. 33 CFR 117.433 - Bonfouca Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Bonfouca Bayou. 117.433 Section 117.433 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.433 Bonfouca Bayou. The draw of...

  12. 33 CFR 117.437 - Colyell Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Colyell Bayou. 117.437 Section 117.437 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.437 Colyell Bayou. The removable...

  13. 33 CFR 117.461 - Lacassine Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Lacassine Bayou. 117.461 Section 117.461 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.461 Lacassine Bayou. The draws of...

  14. 33 CFR 117.459 - Kelso Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Kelso Bayou. 117.459 Section 117.459 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.459 Kelso Bayou. The draw of the S27 bridge...

  15. 33 CFR 117.463 - Lacombe Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Lacombe Bayou. 117.463 Section 117.463 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.463 Lacombe Bayou. The draw of...

  16. 33 CFR 117.425 - Black Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Black Bayou. 117.425 Section 117.425 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.425 Black Bayou. The draws of the...

  17. 33 CFR 117.955 - Buffalo Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Buffalo Bayou. 117.955 Section 117.955 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.955 Buffalo Bayou. (a) The draw of...

  18. 33 CFR 117.105 - Bayou Sara.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Bayou Sara. 117.105 Section 117.105 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Alabama § 117.105 Bayou Sara. The draw of the CSX...

  19. 33 CFR 117.967 - Greens Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Greens Bayou. 117.967 Section 117.967 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.967 Greens Bayou. The draw of the Port...

  20. 33 CFR 117.461 - Lacassine Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Lacassine Bayou. 117.461 Section 117.461 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.461 Lacassine Bayou. The draws of...

  1. 33 CFR 117.481 - Milhomme Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Milhomme Bayou. 117.481 Section 117.481 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.481 Milhomme Bayou. The draw of...

  2. 33 CFR 117.463 - Lacombe Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Lacombe Bayou. 117.463 Section 117.463 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.463 Lacombe Bayou. The draw of...

  3. 33 CFR 117.959 - Chocolate Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Chocolate Bayou. 117.959 Section 117.959 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.959 Chocolate Bayou. The draw of the...

  4. 33 CFR 117.469 - Liberty Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Liberty Bayou. 117.469 Section 117.469 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.469 Liberty Bayou. The draw of...

  5. 33 CFR 117.479 - Macon Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Macon Bayou. 117.479 Section 117.479 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.479 Macon Bayou. The draw of the S4 bridge,...

  6. 33 CFR 117.959 - Chocolate Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Chocolate Bayou. 117.959 Section 117.959 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Texas § 117.959 Chocolate Bayou. The draw of the...

  7. 33 CFR 117.684 - Bayou Portage.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Bayou Portage. 117.684 Section 117.684 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Mississippi § 117.684 Bayou Portage. The draw of...

  8. 33 CFR 117.684 - Bayou Portage.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Bayou Portage. 117.684 Section 117.684 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Mississippi § 117.684 Bayou Portage. The draw of...

  9. 33 CFR 117.684 - Bayou Portage.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Bayou Portage. 117.684 Section 117.684 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Mississippi § 117.684 Bayou Portage. The draw of...

  10. 33 CFR 117.684 - Bayou Portage.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Bayou Portage. 117.684 Section 117.684 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Mississippi § 117.684 Bayou Portage. The draw of...

  11. 33 CFR 117.684 - Bayou Portage.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Bayou Portage. 117.684 Section 117.684 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Mississippi § 117.684 Bayou Portage. The draw of...

  12. Lead Transport into Bayou Trepagnier Wetlands in Louisiana, USA

    Treesearch

    Margaret S. Devall; Leonard B. Thien; Erik Ellgaard; George Flowers

    2006-01-01

    Establishment of a petroleum refinery in 1916 near the headwaters of Bayou Trepagnier with subsequent dredging of the bayou resulted in spoil banks containing high levels of Pb. A large swamp abuts the eastern bank of the bayou. Cores were taken from 15 baldcypress [Taxodium distichum (L.) Richard] trees growing in the swamp along a 610-m transect (...

  13. 77 FR 29927 - Drawbridge Operation Regulation; Carlin Bayou, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-05-21

    ... SECURITY Coast Guard 33 CFR Part 117 RIN 1625-AA09 Drawbridge Operation Regulation; Carlin Bayou, LA AGENCY... Carlin Bayou in Delcambre, Iberia Parish, Louisiana. The bridge currently remains in the open-to... vertical lift span bridge crosses the Carlin Bayou at mile 6.4 in Delcambre, Iberia Parish, Louisiana....

  14. 33 CFR 117.103 - Bayou La Batre.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Bayou La Batre. 117.103 Section... DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Alabama § 117.103 Bayou La Batre. The draw of SR 188 Bridge, mile 2.3, at Bayou La Batre, will open on signal every hour on the hour daily between 4 a.m....

  15. 33 CFR 117.103 - Bayou La Batre.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Bayou La Batre. 117.103 Section... DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Alabama § 117.103 Bayou La Batre. The draw of SR 188 Bridge, mile 2.3, at Bayou La Batre, will open on signal every hour on the hour daily between 4 a.m....

  16. 77 FR 46286 - Drawbridge Operation Regulation; Bayou Boeuf, Amelia, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-08-03

    ... SECURITY Coast Guard 33 CFR Part 117 Drawbridge Operation Regulation; Bayou Boeuf, Amelia, LA AGENCY: Coast... that governs the Burlington Northern Santa Fe (BNSF) Railway Company swing span bridge across Bayou... temporary deviation from the operating schedule of the swing span railroad bridge across Bayou Boeuf,...

  17. 33 CFR 117.103 - Bayou La Batre.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Bayou La Batre. 117.103 Section... DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Alabama § 117.103 Bayou La Batre. The draw of SR 188 Bridge, mile 2.3, at Bayou La Batre, will open on signal every hour on the hour daily between 4 a.m....

  18. 33 CFR 117.103 - Bayou La Batre.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Bayou La Batre. 117.103 Section... DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Alabama § 117.103 Bayou La Batre. The draw of SR 188 Bridge, mile 2.3, at Bayou La Batre, will open on signal every hour on the hour daily between 4 a.m....

  19. 77 FR 22520 - Drawbridge Operation Regulation; Lafourche Bayou, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-04-16

    ... SECURITY Coast Guard 33 CFR Part 117 RIN 1625-AA09 Drawbridge Operation Regulation; Lafourche Bayou, LA... changing the regulation governing six bridges across Bayou Lafourche, south of the Gulf Intracoastal... draw bridges across Lafourche Bayou that are affected by this proposed rule are described as...

  20. 77 FR 42637 - Drawbridge Operation Regulation; Bayou Boeuf, Amelia, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-07-20

    ... SECURITY Coast Guard 33 CFR Part 117 Drawbridge Operation Regulation; Bayou Boeuf, Amelia, LA AGENCY: Coast... (BNSF) Railway Company swing span bridge across ] Bayou Boeuf, mile 10.2, at Amelia, St. Mary Parish... across Bayou Boeuf, mile 10.2, at Amelia, St. Mary Parish, Louisiana. The bridge provides no...

  1. 77 FR 43165 - Drawbridge Operation Regulation; Lafourche Bayou, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-07-24

    ... SECURITY Coast Guard 33 CFR Part 117 RIN 1625-AA09 Drawbridge Operation Regulation; Lafourche Bayou, LA... governing six bridges across Bayou Lafourche, south of the Gulf Intracoastal Waterway in Lafourche Parish... of proposed rulemaking (NPRM) entitled, ``Drawbridge Operation Regulation; Lafourche Bayou, LA,''...

  2. 76 FR 39775 - Drawbridge Operation Regulation; Lafourche Bayou, Lafourche, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-07-07

    ... SECURITY Coast Guard 33 CFR Part 117 Drawbridge Operation Regulation; Lafourche Bayou, Lafourche, LA AGENCY... the Cut Off vertical lift span bridge across the Lafourche Bayou, mile 36.3, at Cut Off, Lafourche... of the vertical lift span bridge across Lafourche Bayou, mile 36.3 in Cut Off, Lafourche Parish,...

  3. 77 FR 35897 - Drawbridge Operation Regulation; Lafourche Bayou, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-06-15

    ... SECURITY Coast Guard 33 CFR Part 117 RIN 1625-AA09 Drawbridge Operation Regulation; Lafourche Bayou, LA... change the regulation governing the six bridges across Bayou Lafourche, south of the Gulf Intracoastal..., ``Drawbridge Operation Regulation; Lafourche Bayou, LA,'' in the Federal Register (77 FR 22520). The...

  4. 78 FR 10523 - Drawbridge Operation Regulation; Bayou Boeuf, Amelia, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-02-14

    ... SECURITY Coast Guard 33 CFR Part 117 Drawbridge Operation Regulation; Bayou Boeuf, Amelia, LA AGENCY: Coast... (BNSF) Railway Company swing span bridge across Bayou Boeuf, mile 10.2, at Amelia, St. Mary Parish... operating schedule of the swing span railroad bridge across Bayou Boeuf, mile 10.2, at Amelia, St....

  5. 77 FR 69564 - Drawbridge Operation Regulation; Bayou Boeuf, Amelia, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-11-20

    ... SECURITY Coast Guard 33 CFR Part 117 Drawbridge Operation Regulation; Bayou Boeuf, Amelia, LA AGENCY: Coast... (BNSF) Railway Company swing span bridge across Bayou Boeuf, mile 10.2, at Amelia, St. Mary Parish... across Bayou Boeuf, mile 10.2, at Amelia, St. Mary Parish, Louisiana. The bridge provides no...

  6. 76 FR 52567 - Drawbridge Operation Regulation; Bonfouca Bayou, Slidell, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-08-23

    ... SECURITY Coast Guard 33 CFR Part 117 RIN 1625-AA09 Drawbridge Operation Regulation; Bonfouca Bayou, Slidell... governing the operation of the State Route (SR) 433 Swing Span Bridge across Bonfouca Bayou, mile 7.0, at... Bridge across Bonfouca Bayou, mile 7.0 at Slidell, Louisiana be changed in order to allow for...

  7. 75 FR 33505 - Drawbridge Operation Regulation; Teche Bayou, Morbihan, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-06-14

    ... SECURITY Coast Guard 33 CFR Part 117 Drawbridge Operation Regulation; Teche Bayou, Morbihan, LA AGENCY... the LA 44 swing span bridge across Teche Bayou, mile 56.7, at Morbihan, Iberia Parish, Louisiana. The... bridge across Teche Bayou at mile 56.7 in Morbihan, Iberia Parish, Louisiana. The closure is necessary...

  8. 33 CFR 117.103 - Bayou La Batre.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Bayou La Batre. 117.103 Section... DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Alabama § 117.103 Bayou La Batre. The draw of SR 188 Bridge, mile 2.3, at Bayou La Batre, will open on signal every hour on the hour daily between 4 a.m....

  9. 33 CFR 334.740 - Weekley Bayou, an arm of Boggy Bayou, Fla., at Eglin Air Force Base; restricted area.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... Bayou, Fla., at Eglin Air Force Base; restricted area. 334.740 Section 334.740 Navigation and Navigable... REGULATIONS § 334.740 Weekley Bayou, an arm of Boggy Bayou, Fla., at Eglin Air Force Base; restricted area. (a... permission of the Commander, Eglin Air Force Base, Florida, or his authorized representative. (2)...

  10. 33 CFR 334.740 - Weekley Bayou, an arm of Boggy Bayou, Fla., at Eglin Air Force Base; restricted area.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... Bayou, Fla., at Eglin Air Force Base; restricted area. 334.740 Section 334.740 Navigation and Navigable... REGULATIONS § 334.740 Weekley Bayou, an arm of Boggy Bayou, Fla., at Eglin Air Force Base; restricted area. (a... permission of the Commander, Eglin Air Force Base, Florida, or his authorized representative. (2)...

  11. 2010 FIRST Robotics Bayou Regional Tournament

    NASA Technical Reports Server (NTRS)

    2010-01-01

    Members of the robotics team from St. Patrick Catholic High School in Biloxi, Miss., focus on guiding their robot on the 2010 Bayou Regional playing field during the annual FIRST (For Inspiration and Recognition of Science and Technology) Robotics competition March 5-6. The event attracted 36 teams from eight states, including 25 teams from Louisiana and Mississippi high schools. The tournament was one of dozens of FIRST tournaments scheduled around the country in advance of the national robotics championship in Atlanta in April. The Bayou Regional competition was held at the Alario Center in Westwego, La.

  12. 2010 FIRST Robotics Bayou Regional Tournament

    NASA Technical Reports Server (NTRS)

    2010-01-01

    Members of the robotics team from St. Patrick Catholic High School in Biloxi, Miss., focus on guiding their robot on the 2010 Bayou Regional playing field during the annual FIRST (For Inspiration and Recognition of Science and Technology) Robotics competition March 5-6. The event attracted 36 teams from eight states, including 25 teams from Louisiana and Mississippi high schools. The tournament was one of dozens of FIRST tournaments scheduled around the country in advance of the national robotics championship in Atlanta in April. The Bayou Regional competition was held at the Alario Center in Westwego, La.

  13. Health assessment for Bayou Sorrel, Bayou Sorrel, Louisiana, Region 6. CERCLIS No. LAD980745541. Final report

    SciTech Connect

    Not Available

    1989-04-06

    The Bayou Sorrel National Priorities List Site is located in Iberville Parish, Louisiana, 6 miles northwest of the community of Bayou Sorrel. The population near Bayou Sorrel is a seasonal one. Fishing, hunting, and vegetable gardens provide a large portion of the diet for many of the inhabitants in the area. The waste types disposed of at Bayou Sorrel included process wastes from pesticide and herbicide manufacture, sulfide-containing wastes, and spent wash solutions from boiler cleaning. The Record of Decision signed November 1986 mandated several remedial actions which included installation of: a runoff control system; caps meeting Resource Conservation and Recovery Act specifications; a sand/geofabric drainage layer and collection system; a gas ventilation system; slurry walls around the former landfill area and Pond 4; a fence around all capped areas; and a ground-water monitoring system.

  14. 75 FR 52937 - Turtle Bayou Gas Storage Company, LLC; Notice of Application

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-08-30

    ... Energy Regulatory Commission Turtle Bayou Gas Storage Company, LLC; Notice of Application August 20, 2010. Take notice that on August 6, 2010, Turtle Bayou Gas Storage Company, LLC (Turtle Bayou), One Office... caverns and related facilities to be located in Chambers and Liberty Counties, Texas. Turtle Bayou...

  15. 76 FR 5685 - Drawbridge Operation Regulation; Bayou Tigre, Vermillion Parish, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-02-02

    ... SECURITY Coast Guard 33 CFR Part 117 Drawbridge Operation Regulation; Bayou Tigre, Vermillion Parish, LA... operation of the Bayou Tigre (LA 330) bridge across Bayou Tigre, mile 2.3, near Delcambre, Vermillion Parish... deviation from the published regulation for the Bayou Tigre (LA 330) bridge (5 feet vertical clearance...

  16. 2010 FIRST Robotics Bayou Regional Tournament

    NASA Technical Reports Server (NTRS)

    2010-01-01

    Student-built robots maneuver the course during the 2010 Bayou Regional FIRST (For Inspiration and Recognition of Science and Technology) Robotics competition in Westwego on March 5-6. The annual competition drew 36 high school teams from eight states. NASA's John C. Stennis Space Center supports FIRST Robotics by providing financing, mentors and training, as well as competition judges and referees, audiovisual staff and other volunteer personnel.

  17. 2010 FIRST Robotics Bayou Regional Tournament

    NASA Technical Reports Server (NTRS)

    2010-01-01

    Student-built robots maneuver the course during the 2010 Bayou Regional FIRST (For Inspiration and Recognition of Science and Technology) Robotics competition in Westwego on March 5-6. The annual competition drew 36 high school teams from eight states. NASA's John C. Stennis Space Center supports FIRST Robotics by providing financing, mentors and training, as well as competition judges and referees, audiovisual staff and other volunteer personnel.

  18. 2010 FIRST Robotics Bayou Regional Tournament

    NASA Image and Video Library

    2010-03-05

    Student-built robots maneuver the course during the 2010 Bayou Regional FIRST (For Inspiration and Recognition of Science and Technology) Robotics competition in Westwego on March 5-6. The annual competition drew 36 high school teams from eight states. NASA's John C. Stennis Space Center supports FIRST Robotics by providing financing, mentors and training, as well as competition judges and referees, audiovisual staff and other volunteer personnel.

  19. 77 FR 57020 - Drawbridge Operation Regulation; Carlin Bayou, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-09-17

    ... Louisiana and Delta Railroad (LDRR) vertical lift bridge across Carlin Bayou in Delcambre, Iberia Parish... LDRR vertical lift span bridge crosses the Carlin Bayou at mile 6.4 in Delcambre, Iberia Parish... lift span is in the closed-to-navigation position, mariners may call the LDRR Signal Supervisor at 337...

  20. 75 FR 63714 - Drawbridge Operation Regulation; Des Allemands Bayou, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-10-18

    ... Burlington Northern Santa Fe Railway swing bridge across Des Allemands Bayou, mile 14.0, in St. Charles and... Transportation, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC 20590... INFORMATION: The Burlington Northern Santa Fe Railway swing span drawbridge across Bayou Des Allemands, mile...

  1. 95. (Credit CBF) Red River syphon line cross Cross Bayou, ...

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

    95. (Credit CBF) Red River syphon line cross Cross Bayou, March 1913. The new low service pump pit and the receiving well for the syphon are in the background. - McNeil Street Pumping Station, McNeil Street & Cross Bayou, Shreveport, Caddo Parish, LA

  2. 94. (Credit CBF) Red River syphon line crossing Cross Bayou, ...

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

    94. (Credit CBF) Red River syphon line crossing Cross Bayou, March 1913. The new low service pump pit and the receiving well for the syphon are in the background. - McNeil Street Pumping Station, McNeil Street & Cross Bayou, Shreveport, Caddo Parish, LA

  3. 33 CFR 117.471 - Little Black Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Little Black Bayou. 117.471 Section 117.471 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.471 Little Black Bayou. The draw...

  4. 33 CFR 117.489 - Plaquemine Brule Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Plaquemine Brule Bayou. 117.489 Section 117.489 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.489 Plaquemine Brule Bayou. The...

  5. 33 CFR 117.494 - Schooner Bayou Canal.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Schooner Bayou Canal. 117.494 Section 117.494 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.494 Schooner Bayou Canal. The draw...

  6. 33 CFR 117.443 - Du Large Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Du Large Bayou. 117.443 Section 117.443 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.443 Du Large Bayou. The draw of...

  7. 33 CFR 117.460 - La Carpe Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false La Carpe Bayou. 117.460 Section 117.460 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.460 La Carpe Bayou. The draw of...

  8. 33 CFR 117.489 - Plaquemine Brule Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Plaquemine Brule Bayou. 117.489 Section 117.489 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.489 Plaquemine Brule Bayou. The...

  9. 33 CFR 117.460 - La Carpe Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false La Carpe Bayou. 117.460 Section 117.460 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.460 La Carpe Bayou. The draw of...

  10. 33 CFR 117.489 - Plaquemine Brule Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Plaquemine Brule Bayou. 117.489 Section 117.489 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.489 Plaquemine Brule Bayou. The...

  11. 33 CFR 117.494 - Schooner Bayou Canal.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Schooner Bayou Canal. 117.494 Section 117.494 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.494 Schooner Bayou Canal. The draw...

  12. 33 CFR 117.443 - Du Large Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Du Large Bayou. 117.443 Section 117.443 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.443 Du Large Bayou. The draw of...

  13. 33 CFR 117.494 - Schooner Bayou Canal.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Schooner Bayou Canal. 117.494 Section 117.494 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.494 Schooner Bayou Canal. The draw...

  14. 33 CFR 117.439 - Des Allemands Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Des Allemands Bayou. 117.439 Section 117.439 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.439 Des Allemands Bayou. (a) The...

  15. 33 CFR 117.494 - Schooner Bayou Canal.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Schooner Bayou Canal. 117.494 Section 117.494 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.494 Schooner Bayou Canal. The draw...

  16. 33 CFR 117.449 - Grosse Tete Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Grosse Tete Bayou. 117.449 Section 117.449 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.449 Grosse Tete Bayou. The...

  17. 33 CFR 117.449 - Grosse Tete Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Grosse Tete Bayou. 117.449 Section 117.449 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.449 Grosse Tete Bayou. (a) The draw...

  18. 33 CFR 117.449 - Grosse Tete Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Grosse Tete Bayou. 117.449 Section 117.449 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.449 Grosse Tete Bayou. The...

  19. 33 CFR 117.443 - Du Large Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Du Large Bayou. 117.443 Section 117.443 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.443 Du Large Bayou. The draw of...

  20. 33 CFR 117.460 - La Carpe Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false La Carpe Bayou. 117.460 Section 117.460 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.460 La Carpe Bayou. The draw of...

  1. 33 CFR 117.441 - D'Inde Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false D'Inde Bayou. 117.441 Section 117.441 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.441 D'Inde Bayou. The draw of the Union...

  2. 33 CFR 117.471 - Little Black Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Little Black Bayou. 117.471 Section 117.471 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.471 Little Black Bayou. The draw...

  3. 33 CFR 117.441 - D'Inde Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false D'Inde Bayou. 117.441 Section 117.441 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.441 D'Inde Bayou. The draw of the Union...

  4. 33 CFR 117.475 - Little (Petit) Caillou Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Little (Petit) Caillou Bayou. 117.475 Section 117.475 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY... Bayou. (a) The draws of the S58 bridge, mile 25.7 at Sarah, and the Terrebonne Parish...

  5. 33 CFR 117.447 - Grand Cabahanosse Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Grand Cabahanosse Bayou. 117.447 Section 117.447 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.447 Grand Cabahanosse Bayou. The...

  6. 33 CFR 117.471 - Little Black Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Little Black Bayou. 117.471 Section 117.471 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.471 Little Black Bayou. The draw...

  7. 33 CFR 117.475 - Little (Petit) Caillou Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Little (Petit) Caillou Bayou. 117.475 Section 117.475 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY... Bayou. (a) The draws of the S58 bridge, mile 25.7 at Sarah, and the Terrebonne Parish...

  8. 33 CFR 117.447 - Grand Cabahanosse Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Grand Cabahanosse Bayou. 117.447 Section 117.447 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.447 Grand Cabahanosse Bayou. The...

  9. 33 CFR 117.441 - D'Inde Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false D'Inde Bayou. 117.441 Section 117.441 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.441 D'Inde Bayou. The draw of the Union...

  10. 77 FR 27115 - Drawbridge Operation Regulation; Bayou Boeuf, Amelia, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-05-09

    ... SECURITY Coast Guard 33 CFR Part 117 Drawbridge Operation Regulation; Bayou Boeuf, Amelia, LA AGENCY: Coast... (BNSF) Railway Company swing span bridge across Bayou Boeuf, mile 10.2, at Amelia, St. Mary Parish... requested a temporary deviation from the operating schedule of the swing span railroad bridge across...

  11. 33 CFR 117.471 - Little Black Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Little Black Bayou. 117.471 Section 117.471 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.471 Little Black Bayou. The draw...

  12. 33 CFR 117.441 - D'Inde Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false D'Inde Bayou. 117.441 Section 117.441 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.441 D'Inde Bayou. The draw of the Union...

  13. 33 CFR 117.489 - Plaquemine Brule Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Plaquemine Brule Bayou. 117.489 Section 117.489 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.489 Plaquemine Brule Bayou. The...

  14. 33 CFR 117.475 - Little (Petit) Caillou Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Little (Petit) Caillou Bayou. 117.475 Section 117.475 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY... Bayou. (a) The draws of the S58 bridge, mile 25.7 at Sarah, and the Terrebonne Parish...

  15. 33 CFR 117.447 - Grand Cabahanosse Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Grand Cabahanosse Bayou. 117.447 Section 117.447 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.447 Grand Cabahanosse Bayou. The...

  16. 33 CFR 117.439 - Des Allemands Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Des Allemands Bayou. 117.439 Section 117.439 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.439 Des Allemands Bayou. (a) The...

  17. 33 CFR 117.447 - Grand Cabahanosse Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Grand Cabahanosse Bayou. 117.447 Section 117.447 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.447 Grand Cabahanosse Bayou. The...

  18. 33 CFR 117.449 - Grosse Tete Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Grosse Tete Bayou. 117.449 Section 117.449 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.449 Grosse Tete Bayou. (a) The draw...

  19. 33 CFR 117.489 - Plaquemine Brule Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Plaquemine Brule Bayou. 117.489 Section 117.489 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.489 Plaquemine Brule Bayou. The...

  20. 33 CFR 117.449 - Grosse Tete Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Grosse Tete Bayou. 117.449 Section 117.449 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.449 Grosse Tete Bayou. (a) The draw...

  1. 33 CFR 117.460 - La Carpe Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false La Carpe Bayou. 117.460 Section 117.460 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.460 La Carpe Bayou. The draw of...

  2. 33 CFR 117.494 - Schooner Bayou Canal.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Schooner Bayou Canal. 117.494 Section 117.494 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.494 Schooner Bayou Canal. The draw...

  3. 33 CFR 117.441 - D'Inde Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false D'Inde Bayou. 117.441 Section 117.441 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.441 D'Inde Bayou. The draw of the Union...

  4. 33 CFR 117.443 - Du Large Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Du Large Bayou. 117.443 Section 117.443 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.443 Du Large Bayou. The draw of...

  5. 33 CFR 117.439 - Des Allemands Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Des Allemands Bayou. 117.439 Section 117.439 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.439 Des Allemands Bayou. (a) The...

  6. 33 CFR 117.475 - Little (Petit) Caillou Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Little (Petit) Caillou Bayou. 117.475 Section 117.475 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY... Bayou. (a) The draws of the S58 bridge, mile 25.7 at Sarah, and the Terrebonne Parish...

  7. 33 CFR 117.443 - Du Large Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Du Large Bayou. 117.443 Section 117.443 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.443 Du Large Bayou. The draw of...

  8. 33 CFR 117.475 - Little (Petit) Caillou Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Little (Petit) Caillou Bayou. 117.475 Section 117.475 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY... Bayou. (a) The draws of the S58 bridge, mile 25.7 at Sarah, and the Terrebonne Parish...

  9. 33 CFR 117.447 - Grand Cabahanosse Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Grand Cabahanosse Bayou. 117.447 Section 117.447 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.447 Grand Cabahanosse Bayou. The...

  10. 33 CFR 117.460 - La Carpe Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false La Carpe Bayou. 117.460 Section 117.460 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.460 La Carpe Bayou. The draw of...

  11. 33 CFR 117.439 - Des Allemands Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Des Allemands Bayou. 117.439 Section 117.439 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.439 Des Allemands Bayou. (a) The...

  12. 33 CFR 117.439 - Des Allemands Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Des Allemands Bayou. 117.439 Section 117.439 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.439 Des Allemands Bayou. (a) The...

  13. 33 CFR 117.471 - Little Black Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Little Black Bayou. 117.471 Section 117.471 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Louisiana § 117.471 Little Black Bayou. The draw...

  14. 33 CFR 117.681 - Old Fort Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 1 2011-07-01 2011-07-01 false Old Fort Bayou. 117.681 Section 117.681 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Mississippi § 117.681 Old Fort Bayou. The draw of...

  15. 33 CFR 117.681 - Old Fort Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Old Fort Bayou. 117.681 Section 117.681 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Mississippi § 117.681 Old Fort Bayou. The draw of...

  16. 33 CFR 117.681 - Old Fort Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 1 2012-07-01 2012-07-01 false Old Fort Bayou. 117.681 Section 117.681 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Mississippi § 117.681 Old Fort Bayou. The draw of...

  17. 33 CFR 117.681 - Old Fort Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 1 2014-07-01 2014-07-01 false Old Fort Bayou. 117.681 Section 117.681 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Mississippi § 117.681 Old Fort Bayou. The draw of...

  18. 33 CFR 117.681 - Old Fort Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 1 2013-07-01 2013-07-01 false Old Fort Bayou. 117.681 Section 117.681 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY BRIDGES DRAWBRIDGE OPERATION REGULATIONS Specific Requirements Mississippi § 117.681 Old Fort Bayou. The draw of...

  19. Evaluation of potential geopressure geothermal test sites in southern Louisiana

    SciTech Connect

    Bassiouni, Z.

    1980-04-01

    Six geopressured-geothermal prospects in southern Louisiana were studied in detail to assess their potential use as test sites for the production of geopressure-geothermal energy. Each of the six sites contains substantial quantities of energy. Three of these prospects, Grand Lake, Lake Theriot, and Bayou Hebert, appear to be suitable for a test site. A summary of the findings is presented.

  20. The Bayou Choctaw Oil Shipment Test

    SciTech Connect

    Bauer, S.J.; Ballard, S.; Barker, G.T.

    1994-05-01

    In early October of 1993, an oil shipment of about 1 million barrels was made from the Bayou Choctaw Strategic Petroleum Reserve storage facility to St. James Terminal. During the shipment, oil temperatures and soil temperatures along the pipeline were recorded. The field data were used to make estimations of soil thermal properties, thermal conductivity and specific heat. These data were also used to validate and calibrate a heat transfer code, OILPIP, which has been used to calculate pipeline cooling of oil during a drawdown.

  1. 2. VIEW NORTHEAST AT NORTHERN BANK OF BAYOU LAFOURCHE; M/V ...

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

    2. VIEW NORTHEAST AT NORTHERN BANK OF BAYOU LAFOURCHE; M/V 'FOX' LIES UNDER TREES AT CENTER OF PHOTOGRAPH - Motorized Sailing Vessel "Fox", Beached on East Bank ofBayou Lafourche, Larose, Lafourche Parish, LA

  2. 75 FR 52363 - Black Bayou Lake National Wildlife Refuge, Ouachita Parish, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-08-25

    ...; 40136-1265-0000-S3] Black Bayou Lake National Wildlife Refuge, Ouachita Parish, LA AGENCY: Fish and...) for the environmental assessment for Black Bayou Lake National Wildlife Refuge (NWR). In the final CCP... . SUPPLEMENTARY INFORMATION Introduction With this notice, we finalize the CCP process for Black Bayou Lake NWR...

  3. 77 FR 57492 - Drawbridge Operation Regulation; Grosse Tete Bayou, Iberville Parish, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-09-18

    ... SECURITY Coast Guard 33 CFR Part 117 RIN 1625-AA09 Drawbridge Operation Regulation; Grosse Tete Bayou... existing drawbridge operation regulation for the Union Pacific railroad swing bridge over Grosse Tete Bayou... Bayou, mile 14.7, was modified into a fixed bridge in May of 2012. The modification of this bridge...

  4. 77 FR 24840 - Safety Zone; Crowley Barge 750-2, Bayou Casotte, Pascagoula, MS

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-04-26

    ... SECURITY Coast Guard 33 CFR Part 165 RIN 1625-AA00 Safety Zone; Crowley Barge 750-2, Bayou Casotte... establishing a temporary safety zone for the specified waters of Bayou Casotte, Pascagoula, Mississippi. This... facility located on Bayou Casotte in Pascagoula, Mississippi. The launching of vessels from this...

  5. Lake Brownwood Modification Pecan Bayou Watershed, Colorado River Basin, Texas.

    DTIC Science & Technology

    1974-09-01

    MICROCOPY RESOLUTION TEST CHART DRAFT ENVIROWNTAL IMPACT STATEMENT LAKE OIOWNWOO 14DDI F ICAT I ON PECAN BAYOU WATERSHED COLORADO R IVER B3AS IN. TEXAS ...cT1 U.S. AW E?0tNEER OISTRICT. FOY WORK4 TEXA SWTM 1974 .81 309 007 .No SECURITY CLASSIFICATION OF THIS PAGE ("an Data Ent.,.d) READ...Pecan Bayou Watershed’, Eniomna YPEac OFREOT PRODCO!O2 Colorado River Basin, Texas . 0 P9RFORMING ORG .REPOR NUMBER- 1 7. AUTHOR(s) 8. CONTRACT OR

  6. Watershed delineation and nitrogen source analysis for Bayou ...

    EPA Pesticide Factsheets

    Nutrient pollution in stormwater runoff from urbanized areas contributes to water quality degradation in streams and receiving waterbodies. Agriculture, population growth, and industrial activities are significant sources of nitrogen inputs for surface waters. Increased nitrogen loading stimulates eutrophication through algal blooms, which leads to an overall decrease in drinking water and aquatic habitat quality. Bayou Chico, a highly urbanized watershed in the Pensacola Bay system in northwest Florida, is a nutrient-impaired waterbody under management to reduce bacteria and nutrient loadings, in accordance with the Florida Department of Environmental Protection’s (FDEP) Basin Management Action Plan. Best management practices and green infrastructure (GI) throughout Bayou Chico help reduce nitrogen inputs by retaining and filtering water. GI can function as a nitrogen sink by sorption or infiltration into soils, sequestration into plant material, and denitrification through microbial processes. However, a better understanding of the efficiency of these systems is needed to better inform management practices on future nitrogen reduction. This project will address two issues relating to the presence of nitrogen in the Bayou Chico watershed: 1) the identification of specific nitrogen sources within urbanized areas, and 2) the potential rates of nitrogen removal and sequestration from GI and nitrogen transport throughout the bayou. To accomplish these goals, nitr

  7. Time dependent behavior of cores from the Pleasant Bayou wells

    SciTech Connect

    Thompson, T.W.; Jogi, P.N.; Gray, K.E.; Richardson, J.; Bebout, D.G.; Bachman, A.L.

    1981-01-01

    Results of constant-load creep tests on sands from the Pleasant Bayou wells are reported. Significant time dependent behavior under both hydrostatic and non-hydrostatic states of stress have been fit to linear rheological models. The data and models are reported.

  8. Regulatory effectiveness study for the Armand Bayou Coastal Preserve

    SciTech Connect

    Mitchell, G.; Windsor, D.

    1991-12-01

    The report contains a description and evaluation of essential regulatory activities governing Christmas Bay and its watershed. The report will be used in management planning for the preserve, and will also contribute to the baseline regulatory data for developing the Galveston Bay Comprehensive Conservation and Management Plan. A companion report was prepared for the Armand Bayou Coastal Preserve.

  9. Supriya Jindal visits 2009 FIRST Robotics Bayou Regionals

    NASA Technical Reports Server (NTRS)

    2009-01-01

    Louisiana First Lady Supriya Jindal takes a turn at the operating controls for a competing robot during the 2009 FIRST Robotics Bayou Regionals tournament in New Orleans on March 19-21. Jindal was hosted during her visit by the NASA Education Office at the John C. Stennis Space Center, a primary sponsor and supporter of the annual robotics competition.

  10. Supriya Jindal visits 2009 FIRST Robotics Bayou Regionals

    NASA Technical Reports Server (NTRS)

    2009-01-01

    Louisiana First Lady Supriya Jindal takes a turn at the operating controls for a competing robot during the 2009 FIRST Robotics Bayou Regionals tournament in New Orleans on March 19-21. Jindal was hosted during her visit by the NASA Education Office at the John C. Stennis Space Center, a primary sponsor and supporter of the annual robotics competition.

  11. Streamflow, specific-conductance, and temperature data for Bayou and Little Bayou Creeks near Paducah, Kentucky, August 15 and 16, 1989

    SciTech Connect

    Evaldi, R.D.; McClain, D.L.

    1989-12-31

    Discharge, temperature, and specific conductance measurements were made August 15 and 16, 1989, at 74 main channel sites and seven tributaries on Bayou and Little Bayou Creeks in the vicinity of the Paducah Gaseous Diffusion Plant. These measurements were made during base flow conditions to provide data for analysis of the interaction of surface and ground water. The discharge of Bayou Creek was 0.30 cubic feet per second (ft{sup 3}/s) at the most upstream site, and 5.8 ft{sup 3}/s at the most downstream site. Total measured tributary inflow of Bayou Greek was 5.7 ft{sup 3}/s. Specific conductance values in the Bayou Creek watershed ranged from 208 to 489 microsiemens per centimeter ({mu}S/cm), and water temperature ranged from 20.0 to 32.6 degrees Celsius ({degrees}C). The discharge of Little Bayou Creek was 0.65 ft{sup 3}/s at the most upstream site, and 1.8 ft{sup 3}/s at the most downstream site. Total measured tributary inflow of Little Bayou Creek was 0.38 ft{sup 3}/s. Specific conductance values in the Little Bayou Creek watershed ranged from 211 to 272 {mu}S/cm, and water temperature ranged from 14.5 to 24.9{degrees}C.

  12. Streamflow, specific-conductance, and temperature data for Bayou and Little Bayou Creeks near Paducah, Kentucky, August 15 and 16, 1989

    USGS Publications Warehouse

    Evaldi, R.D.; McClain, D.L.

    1989-01-01

    Discharge, temperature, and specific conductance measurements were made August 15 and 16, 1989, at 74 main channel sites and seven flowing tributaries on Bayou and Little Bayou Creeks, Kentucky in the vicinity of the Paducah Gaseous Diffusion Plant. These measurements were made during base flow conditions to provide data for analysis of the interaction of surface and groundwater. The discharge of Bayou Creek was 0.30 cfs at the most upstream site, and 5.8 cfs at the most downstream site. Total measured tributary inflow of Bayou Creek was 5.7 cfs. Specific conductance values in the Bayou Creek watershed ranged from 208 to 489 microsiemens/cm, and water temperature ranged from 20.0 to 32.6 C. The discharge of Little Bayou Creek was 0.65 cfs at the most upstream site, and 1.8 cfs at the most downstream site. Total measured tributary inflow of Little Bayou Creek was 0.38 cfs. Specific conductance values in the Little Bayou Creek watershed ranged from 211 to 272 microsiemens/cm, and water temperature ranged from 14.5 to 24.9 C. (USGS)

  13. Chemical and physical speciation of mercury in Offatts Bayou: A seasonally anoxic bayou in Galveston Bay

    SciTech Connect

    Han, Seunghee; Lehman, Ronald D.; Choe, Key-Young; Gill, Gary A.

    2007-07-01

    A chemical equilibrium model was used to predict the solution speciation of dissolved mercury (Hg) in the stratified water column of Offatts Bayou, a subestuary in Galveston Bay, Texas, which undergoes seasonal anoxia in bottom waters. Chemical equilibrium modeling was conducted using conditional stability constants and concentrations of Hg-complexing organic ligands experimentally determined by competitive ligand equilibration methods. Dissolved Hg complexation was dominated by interactions with sulfide and dissolved organic matter (DOM) (HOHgHS0, HOHgHS(DOM), HgSHS2, and HgS 2{ 2 ) at all depths. Sulfide and glutathione competed for methylmercury (MeHg) complexation in oxic layers; in anoxic waters, sulfide complexation dominated MeHg speciation. The particle–water distribution coefficient (Kd) of Hg decreased in the anoxic layer of the water column, where the dissolved sulfide concentration increased, providing evidence that sulfide complexation influences the solubility of Hg. The solubility of MeHg was elevated in the anoxic as compared to the oxic layers, and this distributional feature was coincident with a change in the solution speciation of dissolved MeHg from glutathione/sulfide complexation in the oxic layers to a predominantly sulfide complexation in the anoxic layers. Maximum enrichment of Hg, MeHg, and iron (Fe) in suspended particulate matter was observed in the lower layer of the pycnocline, most likely resulting from formation of insoluble Fe oxide, which scavenged dissolved Hg sulfide and MeHg-sulfide species. The concomitant decrease in dissolved inorganic Hg, Fe, and sulfide in the anoxic layers is suggested to result from scavenging of inorganic Hg by FeS, which is in accordance with the Hg speciation model. Overall, Hg cycling in the water column of Offatts Bayou was associated with sulfide and DOM complexation, Fe dissolution/precipitation, water column production of MeHg, and/or efflux of MeHg from anoxic sediment.

  14. Microseismic monitoring of Chocolate Bayou Texas: the Pleasant Bayou No. 2 geopressured/geothermal energy test-well program. 1981 annual progress report

    SciTech Connect

    Mauk, F.J.

    1982-01-01

    To investigate normal ambient seismicity as well as potentially enhanced seismic activity induced by brine production, a seismic monitoring program has been conducted in the vicinity of the Chocolate Bayou geopressured test well (the Pleasant Bayou No. 2) since September 1978. The Pleasant Bayou No. 2 well has been completed and perforated at depths of 14,467-14,707 feet (4464.4-4482.7m). The brines produced from the Pleasant Bayou No. 2 well are reinjected at a depth of 6226-6538 feet (1897.7-1992.8m) in the Pleasant Bayou No. 1 well. The seismic monitoring network and results obtained from January through November 1981 are described.

  15. Microseismic monitoring of Chocolate Bayou, Texas: The Pleasant Bayou no. 2 geopressured/geothermal energy test well program

    NASA Astrophysics Data System (ADS)

    Mauk, F. J.; Kimball, B.; Davis, R. A.

    The Brazoria seismic network, instrumentation, design, and specifications are described. The data analysis procedures are presented. Seismicity is described in relation to the Pleasant Bayou production history. Seismicity originating near the chemical plant east of the geopressured/geothermal well is discussed.

  16. Microseismic monitoring of Chocolate Bayou, Texas: the Pleasant Bayou No. 2 geopressured/geothermal energy test well program

    SciTech Connect

    Mauk, F.J.; Kimball, B.; Davis, R.A.

    1984-01-01

    The Brazoria seismic network, instrumentation, design, and specifications are described. The data analysis procedures are presented. Seismicity is described in relation to the Pleasant Bayou production history. Seismicity originating near the chemical plant east of the geopressured/geothermal well is discussed. (MHR)

  17. Archaeological Investigations at 3SF332: An Early Mississippian and Tenant Period Site on Cutoff Bayou, St. Francis County, Arkansas

    DTIC Science & Technology

    1991-06-01

    include Fifteenmile Bayou, Blackfish Bayou, and Cutoff Bayou, on which 3SF332 is located. SOILS The project area is situated on one of 10 major soil...on Big Creek (Dwyer 1978; LeeDecker 1979a; Klinger 1981, 1985; Klinger and Imhoff 1982; Kinger et al. 1983; McNeil 1984), Blackfish Bayou (LeeDecker...Memphis. Submitted to U.S. Army Corps of Engineers, Memphis District, Memphis. Arkansas Archeological Survey AMASDA Project File No. 682. 1979b Blackfish

  18. 76 FR 28311 - Drawbridge Operation Regulations; Bayou Liberty, Mile 2.0, St. Tammany Parish, Slidell, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-05-17

    ... SECURITY Coast Guard 33 CFR Part 117 Drawbridge Operation Regulations; Bayou Liberty, Mile 2.0, St. Tammany... deviation from the regulation governing the operation of the S433 Bridge over Bayou Liberty, mile 2.0, St... Bayou Liberty at mile 2.0, in St. Tammany Parish. The vertical clearance is 7.59 feet (2.31m) above the...

  19. 75 FR 9404 - Turtle Bayou Gas Storage Company, LLC; Amended Notice of Intent To Prepare an Environmental...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-03-02

    ... Energy Regulatory Commission Turtle Bayou Gas Storage Company, LLC; Amended Notice of Intent To Prepare an Environmental Assessment for the Planned Turtle Bayou Natural Gas Storage Project and Request for... environmental assessment (EA) that will discuss the environmental impacts of the Turtle Bayou Natural...

  20. 33 CFR 334.760 - Naval Support Activity Panama City and Alligator Bayou, a tributary of St. Andrew Bay, Fla...

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... City and Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. 334.760 Section... Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. (a) The area. The waters within... the south side of the entrance to Alligator Bayou; thence directly across the entrance to a point at...

  1. 33 CFR 334.760 - Naval Support Activity Panama City and Alligator Bayou, a tributary of St. Andrew Bay, Fla...

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... City and Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. 334.760 Section... Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. (a) The area. The waters within... the south side of the entrance to Alligator Bayou; thence directly across the entrance to a point at...

  2. 33 CFR 334.760 - Naval Support Activity Panama City and Alligator Bayou, a tributary of St. Andrew Bay, Fla...

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... City and Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. 334.760 Section... Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. (a) The area. The waters within... the south side of the entrance to Alligator Bayou; thence directly across the entrance to a point at...

  3. 33 CFR 334.760 - Naval Support Activity Panama City and Alligator Bayou, a tributary of St. Andrew Bay, Fla...

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... City and Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. 334.760 Section... Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. (a) The area. The waters within... the south side of the entrance to Alligator Bayou; thence directly across the entrance to a point at...

  4. 33 CFR 334.760 - Naval Support Activity Panama City and Alligator Bayou, a tributary of St. Andrew Bay, Fla...

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... City and Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. 334.760 Section... Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. (a) The area. The waters within... the south side of the entrance to Alligator Bayou; thence directly across the entrance to a point at...

  5. Testing of the Pleasant Bayou Well through October 1990

    SciTech Connect

    Randolph, P.L.; Hayden, C.G.; Mosca, V.L.; Anhaiser, J.L.

    1992-08-01

    Pleasant Bayou location was inactive from 1983 until the cleanout of the production and disposal wells in 1986. The surface facilities were rehabilitated and after shakedown of the system, additional repair of wellhead valves, and injection of an inhibitor pill, continuous long-term production was started in 1988. Over two years of production subsequent to that are reviewed here, including: production data, brine sampling and analysis, hydrocarbon sampling and analysis, solids sampling and analysis, scale control and corrosion monitoring and control.

  6. Brazoria County Re-Leveling Pleasant Bayou Geopressured Well Site

    SciTech Connect

    1984-07-01

    The purpose is to conduct first order leveling surveys as part of an ongoing environmental monitoring program for geopressured-geothermal test wells. The scope is to Conduct First Order, Class I, leveling to monitor subsidence of previously installed and leveled bench marks, established by the National Geodetic Survey (NGS) and Vernon F. Meyer and Associates, Inc., in the area of the Pleasant Bayou geopressured test well. All leveling surveys to conform to NGS standards and specifications.

  7. Pleasant Bayou Geopressured-Geothermal Reservoir Analysis - January 1991

    SciTech Connect

    Riney, T.D.

    1991-01-01

    Many sedimentary basins contain formations with pore fluids at pressures higher than hydrostatic value; these formations are called geopressured. The pore pressure is generally well in excess of hydrostatic and the fluids vary in scalinity, temperature, and dissolved methane. As part of its program to define the magnitude and recoverability of the geopressured-geothermal energy resource, the US Department of Energy has drilled and tested deep wells in geopressured formations in the Texas-Louisiana Gulf Coast region. Geological information for the Pleasant Bayou geopressured geothermal resource is most extensive among the reservoirs tested. Earlier testing of the DOE well (Pleasant Bayou Well No.2) was conducted in several phases during 1979-1983. Long-term testing was resumed in May 1988 and is currently in progress. This report summarizes the pertinent field and laboratory test data available through December 31, 1990. A numerical reservoir simulator is employed as a tool for synthesizing and integrating the reservoir information, formation rock and fluid properties data from laboratory tests, well data from the earlier testing (1979-1983), and the ongoing long-term production testing (1988-1990) of Pleasant Bayou Well No.2. A reservoir simulation model has been constructed which provides a detailed match to the well test history to date. This model is constructed within a geologic framework described by the Texas Bureau of Economic Geology and relies heavily on the pressure transient data from the 1980 Reservoir Limits Test in conjunction with the 1988-1990 production testing.

  8. Integrated Migratory Bird Planning in a Corps of Engineers' Irrigation Project, Bayou Meto, Arkansas

    Treesearch

    Allan J. Mueller; Hayley M. Dikeman; Thomas L. Edwards; Robert S. Holbrook; Karen L. Rowe

    2005-01-01

    The Bayou Meto Agricultural Irrigation Project, in the Mississippi Alluvial Valley, is currently being studied by the U.S. Army Corps of Engineers in eastern Arkansas. As part of the planning process the Arkansas Field Office of the U.S. Fish and Wildlife Service and the Arkansas Game and Fish Commission wrote a migratory bird management plan for the Bayou Meto...

  9. Navigation Simulation Study, Galveston Causeway, Chocolate Bayou, Texas City Wye, Intracoastal Waterway, Texas

    DTIC Science & Technology

    1999-03-01

    Chocolate Bayou, and Texas City Wye was conducted. The purpose of the study was to determine the effect of proposed improvements on commercial tows navigating...the reaches. A numerical model of the existing channels at Galveston Causeway, Chocolate Bayou and Texas City Wye was developed. The model was

  10. 75 FR 71017 - Drawbridge Operation Regulations; Bayou Liberty, St. Tammany Parish, Slidell, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-11-22

    ... SECURITY Coast Guard 33 CFR Part 117 Drawbridge Operation Regulations; Bayou Liberty, St. Tammany Parish... regulation governing the operation of the S433 bridge over Bayou Liberty, mile 2.0, St. Tammany Parish... of this notice. Basis and Purpose The subject bridge is the S443 Swing Bridge across the...

  11. Bioavailability Assessment of a Contaminated Field Sediemtn from Patrick Bayou, Texas: TIE and Equilibrium Partitioning

    EPA Science Inventory

    Contaminated sediments are commonly found in urbanized harbors. Remediation is often necessary and diagnosing the cause of sediment toxicity becomes imperative. In the present study, sediments from Patrick Bayou, Texas were subjected to initial toxicity testing. All sediments ...

  12. Bayou Interfaith Shared Community Organizing (BISCO) Receives Gulf Guardian Award for Environmental Justice

    EPA Pesticide Factsheets

    DALLAS - (July 30, 2015) The Gulf of Mexico Program recently announced Bayou Interfaith Shared Community Organizing, Inc, (BISCO) will receive a First Place Gulf Guardian Award in the Environmental Justice Category. The awards ceremony will be held

  13. Bioavailability Assessment of a Contaminated Field Sediemtn from Patrick Bayou, Texas: TIE and Equilibrium Partitioning

    EPA Science Inventory

    Contaminated sediments are commonly found in urbanized harbors. Remediation is often necessary and diagnosing the cause of sediment toxicity becomes imperative. In the present study, sediments from Patrick Bayou, Texas were subjected to initial toxicity testing. All sediments ...

  14. Bayou virus-associated hantavirus pulmonary syndrome in Eastern Texas: identification of the rice rat, Oryzomys palustris, as reservoir host.

    PubMed Central

    Torrez-Martinez, N.; Bharadwaj, M.; Goade, D.; Delury, J.; Moran, P.; Hicks, B.; Nix, B.; Davis, J. L.; Hjelle, B.

    1998-01-01

    We describe the third known case of hantavirus pulmonary syndrome (HPS) due to Bayou virus, from Jefferson County, Texas. By using molecular epidemiologic methods, we show that rice rats (Oryzomys palustris) are frequently infected with Bayou virus and that viral RNA sequences from HPS patients are similar to those from nearby rice rats. Bayou virus is associated with O. palustris; this rodent appears to be its predominant reservoir host. PMID:9452404

  15. Interpretation of remote sensing data in the Bayou Lafourche Delta of south Louisiana

    NASA Technical Reports Server (NTRS)

    Whitehurst, C. A.

    1975-01-01

    Initial efforts were directed toward a comprehensive ground truth program for the Bayou Lafourche Delta. The impact of transportation systems on the marsh environment, impounded marsh areas, proposed jetty systems at Belle Pass, Louisiana, and erosion and sediment transport in the southwestern canal, Lafourche Parish, Louisiana are studied. The use of color IR imagery for a vegetation study of spoil banks in the Bayou Lafourche Region is also discussed.

  16. Features of Bayou Choctaw SPR caverns and internal structure of the salt dome.

    SciTech Connect

    Munson, Darrell E.

    2007-07-01

    The intent of this study is to examine the internal structure of the Bayou Choctaw salt dome utilizing the information obtained from graphical representations of sonar survey data of the internal cavern surfaces. Many of the Bayou Choctaw caverns have been abandoned. Some existing caverns were purchased by the Strategic Petroleum Reserve (SPR) program and have rather convoluted histories and complex cavern geometries. In fact, these caverns are typically poorly documented and are not particularly constructive to this study. Only two Bayou Choctaw caverns, 101 and 102, which were constructed using well-controlled solutioning methods, are well documented. One of these was constructed by the SPR for their use while the other was constructed and traded for another existing cavern. Consequently, compared to the SPR caverns of the West Hackberry and Big Hill domes, it is more difficult to obtain a general impression of the stratigraphy of the dome. Indeed, caverns of Bayou Choctaw show features significantly different than those encountered in the other two SPR facilities. In the number of abandoned caverns, and some of those existing caverns purchased by the SPR, extremely irregular solutioning has occurred. The two SPR constructed caverns suggest that some sections of the caverns may have undergone very regular solutioning to form uniform cylindrical shapes. Although it is not usually productive to speculate, some suggestions that point to the behavior of the Bayou Choctaw dome are examined. Also the primary differences in the Bayou Choctaw dome and the other SPR domes are noted.

  17. Bubbles, Bubbles, Tremors & Trouble: The Bayou Corne Sinkhole

    NASA Astrophysics Data System (ADS)

    Nunn, J. A.

    2013-12-01

    In May 2012, thermogenic methane bubbles were first observed in Bayou Corne in Assumption Parish, Louisiana. As of July 2013, ninety one bubbling sites have been identified. Gas was also found in the top of the Mississippi River Alluvial Aquifer (MRAA) about 125 ft below the surface. Vent wells drilled into the MRAA have flared more 16 million SCF of gas. Trace amounts of hydrogen sulfide also have been detected. Bayou Corne flows above the Napoleonville salt dome which has been an active area for oil and gas exploration since the 1920s. The dome is also a site of dissolution salt mining which has produced large caverns with diameters of up to 300 ft and heights of 2000 ft. Some caverns are used for storage of natural gas. Microseismic activity was confirmed by an Earthscope seismic station in White Castle, LA in July 2012. An array of microseismic stations set up in the area recorded more than 60 microseismic events in late July and early August, 2012. These microseismic events were located on the western side of the dome. Estimated focal depths are just above the top of salt. In August 2012, a sinkhole developed overnight just to the northwest of a plugged and abandoned brine filled cavern (see figure below). The sinkhole continues to grow in area to more than 20 acres and has consumed a pipeline right of way. The sinkhole is more than 750 ft deep at its center. Microseismic activity was reduced for several months following the formation of the sinkhole. Microseismic events have reoccurred episodically since then with periods of frequent events preceding slumping of material into the sinkhole or a 'burp' where fluid levels in the sinkhole drop and then rebound followed by a decrease in microseismic activity. Some gas and/or oil may appear at the surface of the sinkhole following a 'burp'. Very long period events also have been observed which are believed to be related to subsurface fluid movement. A relief well drilled into the abandoned brine cavern found that

  18. 76 FR 45421 - Safety Zone; Houma Navigation Canal, From Waterway Mile Markers 19.0 to 20.0, Southwest of Bayou...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-07-29

    ... Markers 19.0 to 20.0, Southwest of Bayou Plat, Bank to Bank, Terrebonne Parish, LA AGENCY: Coast Guard... the Houma Navigation Canal, from Waterway Mile Markers 19.0 to 20.0, Southwest of Bayou Plat, bank to.../Barriers in the Houma Navigation Canal, from Waterway Mile Markers 19.0 to 20.0, southwest of Bayou Plat...

  19. 33 CFR 165.T11-0523 - Safety Zone; Houma Navigation Canal, From Waterway Mile Markers 19.0 to 20.0, Southwest of Bayou...

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... Canal, From Waterway Mile Markers 19.0 to 20.0, Southwest of Bayou Plat, Bank to Bank, Terrebonne Parish... Bayou Plat, Bank to Bank, Terrebonne Parish, LA. (a) Location. Houma Navigation Canal, from Waterway Mile Markers 19.0 to 20.0, Southwest of Bayou Plat, bank to bank, Terrebonne Parish, Louisiana....

  20. Compaction measurements on cores from the Pleasant Bayou wells

    SciTech Connect

    Jogi, P.N.; Gray, K.E.; Ashman, T.R.; Thompson, T.W.; Bebout, D.G.; Bachman, A.L.

    1981-01-01

    Additional measurements of compressibility, compaction coefficients, porosities, permeabilities, and resistivities have been conducted on cores from Pleasant Bayou wells No. 1 and No. 2. All rock parameters show non-linear behavior with changing reservoir or pore pressure, which is of interest in modelling reservoir performance and subsidence. Compressibilities and uniaxial compaction coefficients decline by a factor of 2 to 3 as reservoir pressure declines from geopressured to normal hydrostatic conditions. Porosity reductions are 6 to 8% while permeability reductions are on the order of 10 to 30% over that reservoir pressure range. Measured formation factors were 2 to 4 times log derived values for F. Matrix compressibilities were not insignificant relative to bulk compressibilities.

  1. Three dimensional simulation for bayou choctaw strategic petroleum reserve (SPR).

    SciTech Connect

    Ehgartner, Brian L. (Sandia National Laboratories, Albuquerque, NM); Park, Byoung Yoon; Lee, Moo Yul

    2006-12-01

    Three dimensional finite element analyses were performed to evaluate the structural integrity of the caverns located at the Bayou Choctaw (BC) site which is considered a candidate for expansion. Fifteen active and nine abandoned caverns exist at BC, with a total cavern volume of some 164 MMB. A 3D model allowing control of each cavern individually was constructed because the location and depth of caverns and the date of excavation are irregular. The total cavern volume has practical interest, as this void space affects total creep closure in the BC salt mass. Operations including both cavern workover, where wellhead pressures are temporarily reduced to atmospheric, and cavern enlargement due to leaching during oil drawdowns that use water to displace the oil from the caverns, were modeled to account for as many as the five future oil drawdowns in the six SPR caverns. The impacts on cavern stability, underground creep closure, surface subsidence, infrastructure, and well integrity were quantified.

  2. 77 FR 23118 - Annual Marine Events in the Eighth Coast Guard District, Blessing of the Fleet; Bayou La Batre...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-04-18

    ... SECURITY Coast Guard 33 CFR Part 100 Annual Marine Events in the Eighth Coast Guard District, Blessing of the Fleet; Bayou La Batre; Bayou La Batre, AL AGENCY: Coast Guard, DHS. ACTION: Notice of enforcement of regulation. SUMMARY: The Coast Guard will enforce Special Local Regulations for the Blessing of...

  3. 76 FR 79145 - Drawbridge Operation Regulations; Bayou Liberty, Mile 2.0, St. Tammany Parish, Slidell, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-12-21

    ....0, St. Tammany Parish, Slidell, LA AGENCY: Coast Guard, DHS. ACTION: Proposed rule; withdrawal... operation of the SR 433 Bridge over Bayou Liberty, mile 2.0, St. Tammany Parish, Slidell, LA. The Louisiana... Notice of Proposed Rulemaking (NPRM) entitled ``Drawbridge Operation Regulations; Bayou Liberty, mile 2.0...

  4. 75 FR 71061 - Drawbridge Operation Regulations; Bayou Liberty, Mile 2.0, St. Tammany Parish, Slidell, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-11-22

    ....0, St. Tammany Parish, Slidell, LA AGENCY: Coast Guard, DHS. ACTION: Notice of proposed rulemaking... the regulation governing the operation of the S433 bridge over Bayou Liberty, mile 2.0, St. Tammany... of the S433 bridge over Bayou Liberty, mile 2.0, St. Tammany Parish, Slidell, LA. This change would...

  5. Water-quality, stream-habitat, and biological data for West Fork Double Bayou, Cotton Bayou, and Hackberry Gully, Chambers County, Texas, 2006-07

    USGS Publications Warehouse

    Brown, Dexter W.; Turco, Michael J.

    2009-01-01

    The U.S. Geological Survey (USGS), in cooperation with the Houston-Galveston Area Council and the Texas Commission on Environmental Quality, collected water-quality, stream-habitat, and biological data from two sites at West Fork Double Bayou, two sites at Cotton Bayou, and one site at Hackberry Gully in Chambers County, Texas, during July 2006-August 2007. Water-quality data-collection surveys consisted of synoptic 24-hour continuous measurements of water temperature, pH, specific conductance, and dissolved oxygen at the five sites and periodically collected samples at four sites analyzed for several properties and constituents of interest. Stream-habitat data were collected at each of four sites three times during the study. At each site, a representative stream reach was selected and within this reach, five evenly spaced stream transects were determined. At each transect, stream attributes (wetted channel width, water depth, bottom material, instream cover) and riparian attributes (bank slope and erosion potential, width of natural vegetation, type of vegetation, percentage tree canopy) were measured. Benthic macroinvertebrate and fish data were collected from the same reaches identified for habitat evaluation. A total of 2,572 macroinvertebrate individuals were identified from the four reaches; insect taxa were more abundant than non-insect taxa at all reaches. A total of 1,082 fish, representing 30 species and 13 families, were collected across all reaches. Stream-habitat and aquatic biota (benthic macroinvertebrates and fish) were assessed at the four sites to evaluate aquatic life use. Habitat quality index scores generally indicated 'intermediate' aquatic life use at most reaches. Benthic macroinvertebrate metrics scores indicated generally 'intermediate' aquatic life use for the West Fork Double Bayou reaches and generally 'high' aquatic life use for the Cotton Bayou and Hackberry Gully reaches. Index of biotic integrity scores for fish indicated generally

  6. Water quality in the Dickinson Bayou watershed (Texas, Gulf of Mexico) and health issues.

    PubMed

    Quigg, Antonietta; Broach, Linda; Denton, Winston; Miranda, Roger

    2009-06-01

    The Dickinson Bayou watershed (near Houston, Texas, Gulf of Mexico) provides habitat for numerous coastally influenced communities of wildlife, including scores of birds and fish. Encroaching development and impervious surfaces are altering the habitat and degrading water quality. Herein we have defined the current health of the bayou using water quality data collected between 2000 and 2006. Elevated bacteria (fecal coliform, Escherichia coli and Enterococcus) and depressed dissolved oxygen concentrations (often <3mgl(-1)) are the two major impairments to this ecosystem. While nutrient ratios indicate primary productivity may be nitrogen limited, concerns of eutrophication persist because the bayou has a low intrinsic flushing rate. Consistent with this is the magnitude of algal blooms (ca. 100microg chll(-1)) which often occur in spring/summer. The findings of this study will assist with the understanding of the influence of urban development on small watersheds.

  7. Time of travel of solutes in Buffalo Bayou and selected tributaries, Houston, Texas, August 1999

    USGS Publications Warehouse

    East, Jeffery W.; Schaer, Jasper D.

    2000-01-01

    The U.S. Geological Survey (USGS), in cooperation with the U.S. Environmental Protection Agency, conducted a time-of-travel study in the Buffalo Bayou watershed during low flow in August 1999. The study was done as part of the U.S. Environmental Protection Agency Environmental Monitoring for Public Access and Community Tracking (EMPACT) program. The EMPACT program was designed for the U.S. Environmental Protection Agency to work with communities to “make timely, accurate, and understandable environmental information available to millions of people in the largest metropolitan areas across the country.” (U.S. Environmental Protection Agency, 2000). Buffalo Bayou, located in Houston, Texas, was chosen as a pilot project because it is a frequently used recreational water source, it has many water-treatment facilities located along its stream segments, and it has a history of water-quality problems (Houston-Galveston Area Council, 2000). One component of the pilot project is to develop a water-quality simulation model that can be used to assess the effects of noncompliance events on Buffalo Bayou. Because accurate estimates of time of travel during low flow are required to develop the model, the time of travel of solutes in Buffalo Bayou and selected tributaries was determined using dye tracing methods. The study was conducted during low flow in a 38.7-mile reach of Buffalo Bayou, a 9.6-mile reach of Whiteoak Bayou, a 5.9-mile reach of Mason Creek, and a 6.6-mile reach of Bear Creek. Efforts to determine the time of travel in a 7.5-mile reach of Horsepen Creek were unsuccessful. This report explains the approach used to conduct the study and presents the results of the study

  8. Assessing the condition of bayous and estuaries: Bayou Chico Gulf of Mexico demonstration study

    SciTech Connect

    Dickson, K.; Acevedo, M.; Waller, T.; Kennedy, J.; Simons, J.; Mayer, F.; Lewis, M.; Walker, W.; Ammann, L.

    1995-12-31

    A demonstration study was conducted in May 1994 on Bayou Chico to assess the utility of various assessment and measurement endpoints in determining the condition of bayous and estuaries. Bayou Chico has water quality problems attributed to its low flushing rate and urban/industrial land use in its watershed. The sampling scheme assessed the within-sampling station and spatial variability of measurement endpoints. Fourteen sampling stations in Bayou Chico and 3 stations in Pensacola Bay were selected based on an intensified EMAP sampling grid. Time and space coordinated sampling was conducted for: sediment contaminants and properties, sediment toxicity, water quality, benthic infauna, zooplankton and phytoplankton populations. Fish and crabs were also collected and analyzed for a suite of biomarkers and organic chemical residues. Primary productivity was measured via the light bottle dark bottle oxygen method and via diurnal oxygen measurements made with continuous recording data sondes. Stream sites were evaluated for water and sediment quality, water and sediment toxicity, benthic invertebrates and fish. Watershed analyses included assessment of land use/landcover (via SPOT and TM images), soils, pollution sources (point and non-point) and hydrography. These data were coordinated via an Arc/Info GIS system for display and spatial analysis. 1994 survey data were used to parameterize environmental fate models such as SWMM (Storm Water Management Model), DYNHYD5 (WASP5 hydrodynamics model) and WASP5 (Water Quality Analysis Simulation Program) to make predictions about the dynamics and fate of chemical contaminants in Bayou Chico. This paper will present an overview, and report on the results in regards to within-site and spatial variability in Bayou Chico. Conclusions on the efficacy of the assessment and measurement endpoints in evaluating the condition (health) of Bayou Chico will be presented.

  9. Bayou Choctaw Caverns 15 and 17 web analysis

    SciTech Connect

    Ehgartner, B.

    1993-01-01

    The relatively thin web of salt that separates Bayou Choctaw Caverns 15 and 17 was evaluated using the finite-element method. The stability calculations provided insight as to whether or not any operationrestrictions or recommendations are necessary. Because of the uncertainty in the exact dimensions of the salt web, various web thicknesses were examined under different operating scenarios that included individual cavern workovers and drawdowns. Cavern workovers were defined by a sudden drop in the oil side pressure at the wellhead to atmospheric. Workovers represent periods of low cavern pressure. Cavern drawdowns were simulated by enlargening the cavern diameters, thus decreasing the thickness of the web. The calculations predict that Cavern 15 dominates the behavior of the web because of its larger diameter. Thus, giventhe choice of caverns, Cavern 17 should be used for oil withdrawal in order to minimize the adverse impacts on web resulting from pressure drops or cavern enlargement. From a stability point of view, maintaining normal pressures in Cavern 15 was found to be more important than operating the caverns as a gallery where both caverns are maintained at the same pressure. However, during a workover, it may be prudent to operate the caverns under similar pressures to avoid the possibility of a sudden pressure surge at the wellhead should the web fail.

  10. Public health assessment for Bayou Bonfouca, Slidell, St. Tammany Parish, Louisiana, Region 6. Cerclis No. LAD980745632. Final report

    SciTech Connect

    Not Available

    1994-09-06

    The Bayou Bonfouca site, located in Slidell, Louisiana, is an abandoned creosote wood treating facility formerly called the American Creosote Works plant. Contamination of soils, sediments, surface water, groundwater, and the biota of the bayou has resulted from past operating methods and/or disposal practices. The main contaminants of concern are the polycyclic aromatic hydrocarbons (PAH's) that compose creosote. Based on available data, the Bayou Bonfouca site is categorized as a public health hazard because of extensive soil, sediment, biota, surface water and groundwater contamination.

  11. Role of pressure, temperature, salinity, lithology, and structure in hydrocarbon accumulation in Constance Bayou, Deep Lake, and southeast Little Pecan Lake Fields, Cameron Parish, Louisiana

    SciTech Connect

    Harrison, F.W. III

    1980-01-01

    Pressure, temperature, salinity, lithology, and structural studies indicate that hydrocarbons in Deep Lake, Constance Bayou, and Little Pecan Lake Fields, were generated in the shale beds of the hard geopressured zone and migrated upward along major growth faults. The hydrocarbons were originally dissolved in hot fresh pore water and came out of solution in the overlying low temperature and pressure zones, accumulating in the sand beds of the first structural traps encountered. By examining regional cross sections and anomaly maps, fluid escape routes taken by the hot pore water containing dissolved hydrocarbons can be identified. Areas below which a vertical flush of hot fresh pore water from the hard geopressured zone has occurred have 3 identifying characteristics: low fluid pressures, high formation water salinity values, and presence of residual high pressure areas. These areas are considered to be highly prospective places to search for hydrocarbon accumulations.

  12. THE EFFECT OF PRECIPITATION ON ORGANIC CARBON COMPONENTS IN BAYOU TEXAR, FLORIDA

    EPA Science Inventory

    This study examined the relationship between precipitation and organic carbon in Bayou Texar, part of Florida's Pensacola Bay system in the northern Gulf of Mexico. Weekly samples were collected from five stations between March to June, 1999. Additionally, samples were taken befo...

  13. 33 CFR 207.185 - Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 33 Navigation and Navigable Waters 3 2013-07-01 2013-07-01 false Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation. 207.185 Section 207.185 Navigation and Navigable Waters CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE NAVIGATION...

  14. 33 CFR 207.185 - Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 33 Navigation and Navigable Waters 3 2012-07-01 2012-07-01 false Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation. 207.185 Section 207.185 Navigation and Navigable Waters CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE NAVIGATION...

  15. Allegations of diversion and substitution of crude oil. Bayou Choctaw Storage Site, Strategic Petroleum Reserve

    SciTech Connect

    Not Available

    1984-03-30

    Investigation did not substantiate allegations that crude oil destined for the Strategic Petroleum Reserve storage site at Bayou Choctaw was diverted to private use and some other material substituted in its place. However, recommendations are made for handling intermediate transport and storage systems for crude oil to tighten security aspects. (PSB)

  16. Contaminant exposure of barn swallows nesting on Bayou d'Inde, Calcasieu Estuary, Louisiana, USA.

    USGS Publications Warehouse

    Custer, T.W.; Custer, Christine M.; Goatcher, B.L.; Melancon, M.J.; Matson, C.W.; Bickham, J.W.

    2006-01-01

    Current and historical point source discharges, storm water runoff, and accidental spills have contaminated the water, sediment, and biota within the Calcasieu Estuary in southwestern Louisiana. In 2003, barn swallow (Hirundo rustica) eggs and nestlings were collected beneath two bridges that cross Bayou d'Inde, the most contaminated waterway within the Calcasieu Estuary. Samples were also collected from a bridge over Bayou Teche, a reference site in south central Louisiana. Polychlorinated biphenyl (PCB) concentrations in barn swallow eggs and nestlings were significantly higher at the downstream site on Bayou d'Inde (2.8 micro g/g PCBs in eggs and 1.5 micro g/g PCBs in nestlings) than at the other two sites (< 0.2 micro g/g PCBs in eggs and nestlings at both sites). Ethoxyresorufin-O-dealkylase activity in nestling livers was significantly higher at the downstream site on Bayou d'Inde (50 pmol/min/mg) compared to the other two locations (24 pmol/min/mg, each), probably because of exposure to PCBs. Polychlorinated dibenzo-p-dioxin and polychlorinated dibenzofuran concentrations in eggs and polycyclic aromatic hydrocarbons in nestlings were at background concentrations at all sites. Trace element concentrations in barn swallow eggs and nestling livers were at background levels and did not differ among the three sites. A biomarker of DNA damage did not differ among sites.

  17. Contaminant exposure of barn swallows nesting on Bayou d'Inde, Calcasieu Estuary, Louisiana, USA

    USGS Publications Warehouse

    Custer, T.W.; Custer, Christine M.; Goatcher, B.L.; Melancon, M.J.; Matson, C.W.; Bickham, J.W.

    2006-01-01

    Current and historical point source discharges, storm water runoff, and accidental spills have contaminated the water, sediment, and biota within the Calcasieu Estuary in southwestern Louisiana. In 2003, barn swallow (Hirundo rustica) eggs and nestlings were collected beneath two bridges that cross Bayou d'Inde, the most contaminated waterway within the Calcasieu Estuary. Samples were also collected from a bridge over Bayou Teche, a reference site in south central Louisiana. Polychlorinated biphenyl (PCB) concentrations in barn swallow eggs and nestlings were significantly higher at the downstream site on Bayou d'Inde (2.8 mu g/g PCBs in eggs and 1.5 mu g/g PCBs in nestlings) than at the other two sites (< 0.2 mu g/g PCBs in eggs and nestlings at both sites). Ethoxyresorufin-O-dealkylase activity in nestling livers was significantly higher at the downstream site on Bayou d'Inde (50 pmol/min/mg) compared to the other two locations (24 pmol/min/mg, each), probably because of exposure to PCBs. Polychlorinated dibenzo-p-dioxin and polychlorinated dibenzofuran concentrations in eggs and polycyclic aromatic hydrocarbons in nestlings were at background concentrations at all sites. Trace element concentrations in barn swallow eggs and nestling livers were at background levels and did not differ among the three sites. A biomarker of DNA damage did not differ among sites.

  18. 33 CFR 207.185 - Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 33 Navigation and Navigable Waters 3 2014-07-01 2014-07-01 false Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation. 207.185 Section 207.185 Navigation and Navigable Waters CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE NAVIGATION REGULATIONS...

  19. 33 CFR 207.185 - Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 33 Navigation and Navigable Waters 3 2011-07-01 2011-07-01 false Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation. 207.185 Section 207.185 Navigation and Navigable Waters CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE NAVIGATION REGULATIONS...

  20. 33 CFR 207.185 - Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 33 Navigation and Navigable Waters 3 2010-07-01 2010-07-01 false Taylors Bayou, Tex., Beaumont Navigation District Lock; use, administration, and navigation. 207.185 Section 207.185 Navigation and Navigable Waters CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE NAVIGATION REGULATIONS...

  1. 3-D seismic results in the discovery of significant reserves bypassed for 55 years in the Chocolate Bayou Field

    SciTech Connect

    Pennington, A.; Plant, C.; Davis, C.

    1994-12-31

    The Chocolate Bayou Field is located 25 miles south of Houston, in Southeast Brazoria County, Texas. Discovered in 1938, the field has produced over 2 trillion cubic feet of natural gas and 65 million barrels of oil from approximately 30 sands and 300 wellbores. The majority of the production is from the sands of the upper and middle Frio (Oligocene) section. Accumulation is found on structural highs on both the downthrown and upthrown side of a major basinward growth fault. A 3-D seismic survey was conducted over the field in 1988 in an effort to locate bypassed reserves. Interpretation of the data revealed and unexpected paleo structure associated with a buried and previously undetected counter-regional fault located almost 3 miles south of the structural crest at the Upper Frio level. Detailed structural and isochron mapping with adequate depth conversions indicated that the structure was prospective for trapping of the Lower Frio Sand which were well developed but wet under the Upper Frio structural crest. Although the feature was located on the absolute edge of the survey, the data were adequate to locate two wells which have now been completed in the Lower Frio (RA{sub 4}) section. The sands ranged in thickness from 65 to 115 feet of net pay with porosities from 27 to 30% with sustained production rates in excess of 10,000 million cubic feet of gas and 140 barrels of oil per day per completion.

  2. Late Holocene Hurricane Activity in the Gulf of Mexico from a Bayou Sediment Archive

    NASA Astrophysics Data System (ADS)

    Rodysill, J. R.; Donnelly, J. P.; Toomey, M.; Sullivan, R.; MacDonald, D.; Evans, R. L.; Ashton, A. D.

    2012-12-01

    Hurricanes pose a considerable threat to coastal communities along the Atlantic seaboard and in the Gulf of Mexico. The complex role of ocean and atmospheric dynamics in controlling storm frequency and intensity, and how these relationships could be affected by climate change, remains uncertain. To better predict how storms will impact coastal communities, it is vital to constrain their past behavior, in particular how storm frequency and intensity and the pattern of storm tracks have been influenced by past climate conditions. In an effort to characterize past storm behavior, our work contributes to the growing network of storm records along the Atlantic and Gulf coasts by reconstructing storm-induced deposits in the northern Gulf of Mexico during the Late Holocene. Previous work on the northern Gulf coast has shown considerable centennial-scale variability in the occurrence of intense hurricanes, much like the northern Atlantic coast and in the Caribbean Sea. The timing of active and quiet intervals during the last 1000 years amongst the Gulf Coast records appears to be anti-phased with stormy intervals along the North American east coast. The sparse spatial coverage of the existing intense hurricane reconstructions provides a limited view of the natural variability of intense hurricanes. A new, high resolution reconstruction of storms along the northern Gulf Coast would be beneficial in assembling the picture of the patterns of storminess during the Late Holocene. Our study site, Basin Bayou, is situated on the north side of Choctawhatchee Bay in northwest Florida. From 1851 to 2011, 68 storms have struck the coast within 75 miles of Basin Bayou, of which 10 were Category 3 or greater, making it a prime location to reconstruct intense hurricanes. Basin Bayou openly exchanges water with Choctawhatchee Bay through a narrow channel, which acts as a conduit for propagating storm surges, and potentially coarse-grained bay sediments, into the bayou. Our record is

  3. Nutrient and sediment concentrations and loads in the Steele Bayou Basin, northwestern Mississippi, 2010–14

    USGS Publications Warehouse

    Hicks, Matthew B.; Murphy, Jennifer C.; Stocks, Shane J.

    2017-06-01

    The U.S. Geological Survey, in cooperation with the U.S. Army Corps of Engineers-Vicksburg District, monitored streamflow, water quality, and sediment at two stations on the Steele Bayou in northwestern Mississippi from October 2010 through September 2014 to characterize nutrient and sediment concentrations and loads in areas where substantial implementation of conservation efforts have been implemented. The motivation for this effort was to quantify improvements, or lack thereof, in water quality in the Steele Bayou watershed as a result of implementing large- and small-scale best-management practices aimed at reducing nutrient and sediment concentrations and loads. The results of this study document the hydrologic, water-quality, and sedimentation status of these basins following over two decades of ongoing implementation of conservation practices.Results from this study indicate the two Steele Bayou stations have comparable loads and yields of total nitrogen, phosphorus, and suspended sediment when compared to other agricultural basins in the southeastern and central United States. However, nitrate plus nitrite yields from basins in the Mississippi River alluvial plain, including the Steele Bayou Basin, are generally lower than other agricultural basins in the southeastern and central United States.Seasonal variation in nutrient and sediment loads was observed at both stations and for most constituents. About 50 percent of the total annual nutrient and sediment load was observed during the spring (February through May) and between 25 and 50 percent was observed during late fall and winter (October through January). These seasonal patterns probably reflect a combination of seasonal patterns in precipitation, runoff, streamflow, and in the timing of fertilizer application.Median concentrations of total nitrogen, nitrate plus nitrite, total phosphorus, orthophosphate, and suspended sediment were slightly higher at the upstream station, Steele Bayou near Glen Allan

  4. Microseismic monitoring of Chocolate Bayou, Texas. The Pleasant Bayou No. 2 geopressured/geothermal energy test-well program. 1982 annual progress report

    SciTech Connect

    Mauk, F.J.; Davis, R.A.

    1982-01-01

    To investigate the seismic risks associated with geopressured fluid production from the Pleasant Bayou No. 2 design well a seismic monitoring program was conducted in the vicinity of the Brazoria County design wells since 1979. The monitoring program was designed first to establish the nature of the local ambient seismicity prior to production, and second to provide continued surveillance of the area during the well tests to determine if production altered ambient seismic conditions significantly. The operation, data analyses, results and conclusions of the Brazoria seismic network during the operational period from 1 January through 31 December 1982 are described.

  5. Evaluation of Magnetic Anomalies Located in Lower Bayou Teche, St. Mary Parish, Louisiana

    DTIC Science & Technology

    1991-07-01

    archeological resources (Figure 1; Goodwin, Hinks et al. 1990). The riverine survey of Bayou Teche utilized a Geometrics 806 proton precession ...Geometrics 806 proton procession magnetometer and a Linseis analog recorder; a Loran-C receiver was used to record the location of each of the identified...included relocation of each anomaly with a magnetometer : informal magnetic and fathometer survey of each anomaly and its vicinity, physical search of

  6. The Impact of Rainfall on Fecal Coliform Bacteria in Bayou Dorcheat (North Louisiana)

    PubMed Central

    Hill, Dagne D.; Owens, William E.; Tchounwou, Paul B.

    2006-01-01

    Fecal coliform bacteria are the most common pollutant in rivers and streams. In Louisiana, it has been reported that 37% of surveyed river miles, 31% of lakes, and 23% of estuarine water had some level of contamination. The objective of this research was to assess the effect of surface runoff amounts and rainfall amount parameters on fecal coliform bacterial densities in Bayou Dorcheat in Louisiana. Bayou Dorcheat has been designated by the Louisiana Department of Environmental Quality as a waterway that has uses such as primary contact recreation, secondary contact recreation, propagation of fish and wildlife, agriculture and as being an outstanding natural resource water. Samples from Bayou Dorcheat were collected monthly and analyzed for the presence of fecal coliforms. Fecal coliforms isolated from these samples were identified to the species level. The analysis of the bacterial levels was performed following standard test protocols as described in Standard Methods for the Examination of Water and Wastewater. Information regarding the rainfall amounts and surface runoff amounts for the selected years was retrieved from the Louisiana Office of State Climatology. It was found that a significant increase in the fecal coliform numbers may be associated with average rainfall amounts. Possible sources of elevated coliform counts could include sewage discharges from municipal treatment plants and septic tanks, storm water overflows, and runoff from pastures and range lands. It can be concluded that non-point source pollution that is carried by surface runoff has a significant effect on bacterial levels in water resources. PMID:16823083

  7. Conversion of the Bayou Choctaw geological site characterization report to a three-dimensional model.

    SciTech Connect

    Stein, Joshua S.; Rautman, Christopher Arthur

    2004-02-01

    The geologic model implicit in the original site characterization report for the Bayou Choctaw Strategic Petroleum Reserve Site near Baton Rouge, Louisiana, has been converted to a numerical, computer-based three-dimensional model. The original site characterization model was successfully converted with minimal modifications and use of new information. The geometries of the salt diapir, selected adjacent sedimentary horizons, and a number of faults have been modeled. Models of a partial set of the several storage caverns that have been solution-mined within the salt mass are also included. Collectively, the converted model appears to be a relatively realistic representation of the geology of the Bayou Choctaw site as known from existing data. A small number of geometric inconsistencies and other problems inherent in 2-D vs. 3-D modeling have been noted. Most of the major inconsistencies involve faults inferred from drill hole data only. Modem computer software allows visualization of the resulting site model and its component submodels with a degree of detail and flexibility that was not possible with conventional, two-dimensional and paper-based geologic maps and cross sections. The enhanced visualizations may be of particular value in conveying geologic concepts involved in the Bayou Choctaw Strategic Petroleum Reserve site to a lay audience. A Microsoft WindowsTM PC-based viewer and user-manipulable model files illustrating selected features of the converted model are included in this report.

  8. Utilizing an urban runoff model and GIS to assess pollutant loading to Bayou Chico, Florida

    SciTech Connect

    Schell, T.T.; Simons, J.D.; Dickson, K.L.; Acevedo, M.F.; Mayer, F.L.

    1995-12-31

    This paper describes a Geographic Information Systems (GIS) analysis of the Bayou Chico watershed and its integration with the Storm Water Management Model (SWMM) as part of a watershed approach to assessing the ecological health of this sub-estuary of Pensacola Bay. Bayou Chico is the receiving water body of a small, mostly residential and urban watershed located in southern Escambia County, Florida. The transport of pollutants into the bayou is primarily a function of precipitation. SWMM models the runoff from rainfall and uses the land use, size and physical characteristics of the watershed as factors in pollutant loading. The fate and transport of pollutants is represented by the flow of water through natural channelization as well as water management practices. A GIS database and the use of remotely sensed satellite images are used to determine the location of streets, storm drainage systems, surface runoff as well as the area and slope of the watershed. SWMM mathematically represents these physical characteristics and uses this information to determine both runoff and pollutant loading. Hydrographs and pollutographs from SWMM are to be then used in a transport and fate model (WASP). The authors discuss data required for SWMM, its analysis using GIS and model linkage with special attention given to the data acquisition and modeling process. Model results and calibration techniques will also be presented.

  9. Geomechanical testing of Bayou Choctaw 102B core for SPR analysis

    SciTech Connect

    Ingraham, Mathew Duffy; Broome, Scott Thomas; Bauer, Stephen J.; Barrow, Perry Carl; Flint, Gregory Mark

    2014-02-01

    A laboratory testing program was developed to examine the short-term mechanical and time-dependent (creep) behavior of salt from the Bayou Choctaw Salt Dome. This report documents the test methodologies, and constitutive properties inferred from tests performed. These are used to extend our understanding of the mechanical behavior of the Bayou Choctaw domal salt and provide a data set for numerical analyses. The resulting information will be used to support numerical analyses of the current state of the Bayou Choctaw Dome as it relates to its crude oil storage function as part of the US Strategic Petroleum Reserve. Core obtained from Drill Hole BC-102B was tested under creep and quasi-static constant mean stress axisymmetric compression, and constant mean stress axisymmetric extension conditions. Creep tests were performed at 100 degrees Fahrenheit, and the axisymmetric tests were performed at ambient temperatures (72-78 degrees Fahrenheit). The testing performed indicates that the dilation criterion is pressure and stress state dependent. It was found that as the mean stress increases, the shear stress required to cause dilation increases. The results for this salt are reasonably consistent with those observed for other domal salts. Also it was observed that tests performed under extensile conditions required consistently lower shear stress to cause dilation for the same mean stress, which is consistent with other domal salts. Young's moduli ranged from 3.95 x 106 to 8.51 x 106 psi with an average of 6.44 x 106 psi, with Poisson's ratios ranging from 0.10 to 0.43 with an average of 0.30. Creep testing indicates that the BC salt is intermediate in creep resistance when compared with other bedded and domal salt steady-state behavior.

  10. Nitrogen leak test of Strategic Petroleum Reserve Cavern Bayou Choctaw 2

    SciTech Connect

    Goin, K.L.

    1983-10-01

    A nitrogen leak test was made of the Strategic Petroleum Reserve Bayou Choctaw Cavern 2. Results of the test are inadequate for estimating the cavern leak rate with a high level of confidence. The interpretation of test results believed to be the most reasonable indicates an average nitrogen loss rate of 300 bbls/yr with an 84-percent probability the loss rate does not exceed 1950 bbls/yr. With maximum oil loss rates estimated at one third of nitrogen volume loss rates, corresponding oil loss rates are 100 and 650 bbls/yr. 3 references, 8 figures.

  11. Tremors in the Bayou: The Events on the Napoleonville Salt Dome, Louisiana

    NASA Astrophysics Data System (ADS)

    Ellsworth, W. L.; Horton, S.; Benz, H.; Hickman, S.; Leeds, A.; Leith, W. S.; Meremonte, M.; Rubinstein, J. L.; Withers, M. M.; Herrmann, R. B.

    2012-12-01

    Beginning in early June, 2012, an extended series of earth tremors were reported by residents of Bayou Corne in Assumption Parish, Louisiana, and at well control facilities on the nearby Napoleonville salt dome. The salt dome contains numerous caverns resulting from solution mining; some are used to store LPG and natural gas while others produce saltwater brine. Residents also reported natural gas bubbling at nearby locations in Bayou Corne and Grand Bayou. Some of the tremors were large enough to produce "cracks in sheet rock and foundations" (The Advocate, Baton Rouge, July 5, 2012). It was thus quite surprising to find that no earthquakes were detected in this region by either the USGS NEIC or the USArray Array Network Facility despite the presence of Transportable Array station 544A only 10 km from Bayou Corne. Careful inspection of the seismograms at 544A did reveal multiple events characterized by virtually no body wave energy and strong surface waves at the times of reported tremors. In response to a request for assistance from the State of Louisiana six temporary seismic stations with Trillium broad band sensors were deployed in the immediate epicentral region by the USGS and University of Memphis starting on July 12. Seismograms recorded by the temporary stations revealed a variable rate of tremor activity, with several hundred events registered on active days. Even at very close distance (S-P < 0.5 s) the body waves are weak and surface waves prominent, indicating a very shallow source depth. Precise location of the events is complicated by the presence of the high-seismic velocity and steep-sided Napoleonville salt dome that reaches to within 220 m of the surface and is overlain and surrounded by very low velocity sediments. Following several repositionings of the seismic network we have determined that the source region lies on the western edge of the salt dome top at very shallow depth and in the vicinity of an abandoned brine supply cavern. Tremor

  12. 77 FR 39422 - Eighth Coast Guard District Annual Safety Zones; Niceville July 4th Fireworks Show; Boggy Bayou...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-07-03

    ... SECURITY Coast Guard 33 CFR Part 165 RIN 1625-AA00 Eighth Coast Guard District Annual Safety Zones; Niceville July 4th Fireworks Show; Boggy Bayou; Niceville, FL AGENCY: Coast Guard, DHS. ACTION: Notice of enforcement of regulation. SUMMARY: The Coast Guard will enforce a Safety Zone for the Niceville July 4th...

  13. 76 FR 43226 - Drawbridge Operation Regulations; Bayou Liberty, Mile 2.0, St. Tammany Parish, Slidell, LA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-07-20

    ....0, St. Tammany Parish, Slidell, LA AGENCY: Coast Guard, DHS. ACTION: Supplemental notice of proposed... (S433) bridge across Liberty Bayou, mile 2.0, at Slidell, St. Tammany Parish, Louisiana. The proposed..., mile 2.0, St. Tammany Parish, Slidell, LA with a new modern swing bridge. Due to the fact that not all...

  14. Evaluation of an Educational Website for the Bayou Bend Collection and Gardens, Museum of Fine Arts, Houston.

    ERIC Educational Resources Information Center

    Jenkins, Ann G.; Robin, Bernard R.

    As educators increasingly integrate Web-based resources into their curriculum, there is a growing need for high quality, educationally relevant materials. This study evaluated the Bayou Bend Web site, the result of a collaboration between staff at the Museum of Fine Arts, Houston, Texas, and faculty and graduate students at the University of…

  15. Nutrient loading and selected water-quality and biological characteristics of Dickinson Bayou near Houston, Texas, 1995-97

    USGS Publications Warehouse

    East, Jeffery W.; Paul, Edna M.; Porter, Stephen D.

    1998-01-01

    Algal samples were collected at seven stations and were analyzed for periphyton identification and enumeration, and chlorophyll a and chlorophyll b concentrations. The large relative abundance of soil algae at stations in the middle of the watershed likely indicates the cumulative effects on water quality of agricultural nonpoint sources. Farther downstream near the State Highway 3 bridge, and downstream of three major tributary inflows, the increase in abundance of soil algae to a larger-than-expected level might reflect water-quality influences from predominantly urban nonpoint sources in the drainage basins of the three major tributary inflows. Nutrient concentrations do not appear to limit algal production in the upper (non-tidal) reach of Dickinson Bayou; but nutrient concentrations could have been limiting benthicalgal production in the lower (tidal) reach of the bayou during the time of the synoptic survey. If nitrogen is the limiting resource for algal productivity in the tidal reach of Dickinson Bayou, eutrophication of the system could be (at least partially) mitigated if nonpoint-source nutrient loads into the Bayou were reduced. 

  16. Evaluation of magnetic anomalies located in Lower Bayou Teche, St. Mary Parish, Louisiana

    NASA Astrophysics Data System (ADS)

    Goodwin, R. Christopher; Athens, William P.; Saltus, Allen R., Jr.

    1991-07-01

    This report presents results of testing and assessment of eleven previously recorded magnetic anomalies located in Lower Bayou Teche, St. Mary Parish, Louisiana. Maintenance dredging of Lower Bayou Teche may impact several of the eight anomalies evaluated in this study. Objectives of the study were to conduct detailed surveys and assessments of eight previously located anomalies. These were Anomalies 8, 13, 24a, 29, 30, 31, 33, and 58. Three orther anomalies, Anomaly nos. 23, 24b, and 55 were also briefly examined. Methods used during survey included relocation of each anomaly with a magnetometer; informal magnetic and fathometer survey of each anomaly and its vicinity, physical search of the river bottom at each anomaly location; use of a metal detector to assess the depth of the magnetic source of each anomaly; probing of the river bottom to locate buried structures; and limited excavation with a jet probe to document the source, nature, and research potential of each of the eight anomalies. Two of the anomalies, Anomaly nos. 30 and 58 could not be relocated. Four of the anomalies apparently are associated with modern debris: Anomaly nos. 8, 13, 29, and 31. Anomaly no. 33 appears to be an isolated object. Evidence of structure was observed 14 to 15 ft below water surface, however, it occurs below the project impact zone. One archeological site, the Anomaly no. 23/24 Complex (Site 16SMY76) was defined. It consists of two wooden barges and some twentieth century bridge remains.

  17. Threat of a sinkhole: A reevaluation of Cavern 4, Bayou Choctaw salt dome, Louisiana

    SciTech Connect

    Neal, J.T.; Todd, J.L.; Linn, J.K.; Magorian, T.R.

    1993-09-01

    Cavern Lake at Bayou Choctaw salt dome resulted from the failure of Cavern 7 in 1954. Uncontrolled solutioning of this cavern through the thin caprock had set the stage for overburden to collapse into the cavern below. A similar situation developed with nearby Cavern 4, but with less dissolutioning of the caprock. Because pressure loss was already a problem and because another 800 ft diameter lake would have endangered surface operations, solutioning of Cavern 4 was stopped and the cavern abandoned in 1957 in order to protect the already-small site. In 1978 the Strategic Petroleum Reserve (SPR) acquired a number of caverns at Bayou Choctaw, including Cavern 4, and the possible repeat of the Cavern 7 failure and formation of another lake thus became an issue. The cavern dimensions were re-sonared in 1980 for comparison with 1963 and 1977 surveys. Annual surface leveling between 1982--1992 showed less subsidence occurring than the site average, and a cavern monitoring system, installed in 1984, has revealed no anomalous motion. Repeat sonar surveys in 1992 showed very little, if any, change occurred since 1980 although a small amount of uncertainty exists as a result of changing sonar techniques. We conclude that significant additional solutioning or erosion of the caprock has not occurred and that there is no increased threat to SPR operations.

  18. Expansion analyses of strategic petroleum reserve in Bayou Choctaw : revised locations.

    SciTech Connect

    Ehgartner, Brian L.; Park, Byoung Yoon

    2010-11-01

    This report summarizes a series of three-dimensional simulations for the Bayou Choctaw Strategic Petroleum Reserve. The U.S. Department of Energy plans to leach two new caverns and convert one of the existing caverns within the Bayou Choctaw salt dome to expand its petroleum reserve storage capacity. An existing finite element mesh from previous analyses is modified by changing the locations of two caverns. The structural integrity of the three expansion caverns and the interaction between all the caverns in the dome are investigated. The impacts of the expansion on underground creep closure, surface subsidence, infrastructure, and well integrity are quantified. Two scenarios were used for the duration and timing of workover conditions where wellhead pressures are temporarily reduced to atmospheric pressure. The three expansion caverns are predicted to be structurally stable against tensile failure for both scenarios. Dilatant failure is not expected within the vicinity of the expansion caverns. Damage to surface structures is not predicted and there is not a marked increase in surface strains due to the presence of the three expansion caverns. The wells into the caverns should not undergo yield. The results show that from a structural viewpoint, the locations of the two newly proposed expansion caverns are acceptable, and all three expansion caverns can be safely constructed and operated.

  19. Construction of hexahedral elements mesh capturing realistic geometries of Bayou Choctaw SPR site

    SciTech Connect

    Park, Byoung Yoon; Roberts, Barry L.

    2015-09-01

    The three-dimensional finite element mesh capturing realistic geometries of Bayou Choctaw site has been constructed using the sonar and seismic survey data obtained from the field. The mesh is consisting of hexahedral elements because the salt constitutive model is coded using hexahedral elements. Various ideas and techniques to construct finite element mesh capturing artificially and naturally formed geometries are provided. The techniques to reduce the number of elements as much as possible to save on computer run time with maintaining the computational accuracy is also introduced. The steps and methodologies could be applied to construct the meshes of Big Hill, Bryan Mound, and West Hackberry strategic petroleum reserve sites. The methodology could be applied to the complicated shape masses for not only various civil and geological structures but also biological applications such as artificial limbs.

  20. Turtle Bayou - 1936 to 1983: case history of a major gas field in south Louisiana

    SciTech Connect

    Cronquist, C.

    1983-01-01

    Turtle Bayou field, located in the middle Miocene trend in S. Louisiana, is nearing the end of a productive life which spans over 30 yr. Discovered by Shell Oil Co. in 1949 after unsuccessful attempts by 2 other majors, the field is a typical, low relief, moderately faulted Gulf Coast structure, probably associated with deep salt movement. The productive interval includes 22 separate gas-bearing sands in a regressive sequence of sands and shales from approx. 6500 to 12,000 ft. Now estimated to have contained ca 1.2 trillion scf of gas in place, cumulative production through 1982 was 702 billion scf. Cumulative condensate-gas ratio has been 20 bbl/million. Recovery mechanisms in individual reservoirs include strong bottom water drive, partial edgewater drive, and pressure depletion. Recovery efficiencies in major reservoirs range from 40 to 75% of original gas in place.

  1. Water-quality investigation of the Flat Bayou watershed, Jefferson County, Arkansas

    USGS Publications Warehouse

    Lamb, T.E.

    1979-01-01

    The results of a 1-year study, in 1977-78, of surface-water quality in the Flat Bayou watershed, Jefferson County, Ark. are presented to document conditions before implementation of Soil Conservation Service programs. Analysis of samples collected at two sites showed that oxygen depletion, as low as 32 percent of saturation at times, and high concentrations of pesticides on the streambed were the most serious water-quality problems in the watershed. The pesticides aldrin, DDD, DDE, DDT, dieldrin, endrin, heptachlor epoxide, lindane, and toxaphene were found in samples of the bottom material. One sample of bottom material contained an unusually high toxaphene concentration of 160 micrograms per kilogram. (Woodard-USGS)

  2. Archaeological Investigations of the Little Cypress Bayou Site (3CT50) Crittenden County, Arkansas. Volume 2 - Appendices

    DTIC Science & Technology

    1986-01-01

    by the geomorphic features around 3CT50. Their relative ages are defined by cross-cutting relationships, supported by estimates of amounts of slope...Sediments Introduction Data from the backhoe trenches, supported and extended by stra- tigraphic sections from the archaeologists’ pits, is summarized in...CYPRESS BAYOU SITE (3CT50), CRITTENDEN COUNTY, ARKANSAS by Arthur E. Bogan Analysis of animal remains recovered from archaeological excava- tions on the

  3. Feasibility Report and Environmental Impact Statement for Navigation Improvements at Bayou La Batre, Alabama. Volume 2. Appendices.

    DTIC Science & Technology

    1988-09-12

    Sociology & Anthropology and Economics & Finance, University of South Alabama, Master Marine, Inc., and Messrs. Sam J. Kayser, Jr. and Art Dyas. A copy...the Gulf of Max - ico, such as white trout and croaker. The lintations an cmercial fishing and fish processing in Bayou La ftre are similar to those...37 .239185 Source: Kim M. Bloomquist, Ronald D. Webber , and Dennis P. Robinson, *An Interactive System for Generating Regional Input-output

  4. EAARL-B Topography—Big Thicket National Preserve: Little Pine Island Bayou Corridor Unit, Texas, 2014

    USGS Publications Warehouse

    Fredericks, Alexandra M.; Kranenburg, Christine J.; Hardy, Matthew; Nagle, David B.

    2015-01-01

    These mosaics, prepared by the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center, provide lidar-derived first-surface and bare-earth topography for the Little Pine Island Bayou Corridor Unit of Big Thicket National Preserve in Texas. Elevation measurements were acquired by the second-generation Experimental Advanced Airborne Research Lidar (EAARL-B) on January 15, 21, 22, 26, and 30, 2014, in cooperation with the National Park Service – Gulf Coast Network.

  5. Effects of polychlorinated dibenzo-p-dioxins and dibenzofurans on nesting wood ducks (Aix sponsa) at Bayou Meto, Arkansas

    SciTech Connect

    White, D.H.; Hoffman, D.J.

    1995-05-01

    Wood ducks (Aix sponsa) nesting along Bayou Meto downstream from a hazardous waste site in central Arkansas were contaminated with polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs). Residues in eggs, based on 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents (TCDD-EQ), ranged up to 611 parts per trillion (ppt), and egg arithmetic means were 90-fold higher at the site nearest the point source compared with a reference site. We monitored productivity of wood ducks in artificial nest boxes at three sites on the bayou and at a reference site on a separate drainage during 1988-1990. Productivity was suppressed (p<0.05) at the bayou sites compared with the reference site, and egg TCDD-EQs were inversely correlated (p<0.001) with productivity in corresponding nests. The threshold range of toxicity, where reduced productivity was evident in wood ducks (based on TCDD-EQs), was >20 to 50 ppt. Oxidative stress and teratogenic effects occurred in ducklings at the more contaminated nesting sites nearest the point source. These findings suggest that wood ducks may be more sensitive to PCDD and PCDF contamination than some other aquatic birds and could serve as an indicator species for monitoring biological impacts from these contaminants. 21 refs., 4 tabs.

  6. Effects of polychlorinated dibenzo-p-dioxins and dibenzofurans on nesting wood ducks (Aix sponsa) at Bayou Meto, Arkansas.

    PubMed

    White, D H; Hoffman, D J

    1995-05-01

    Wood ducks (Aix sponsa) nesting along Bayou Meto downstream from a hazardous waste site in central Arkansas were contaminated with polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs). Residues in eggs, based on 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents (TCDD-EQ), ranged up to 611 parts per trillion (ppt), and egg arithmetic means were 90-fold higher at the site nearest the point source compared with a reference site. We monitored productivity of wood ducks in artificial nest boxes at three sites on the bayou and at a reference site on a separate drainage during 1988-1990. Productivity was suppressed (p < 0.05) at the bayou sites compared with the reference site, and egg TCDD-EQs were inversely correlated (p < 0.001) with productivity in corresponding nests. The threshold range of toxicity, where reduced productivity was evident in wood ducks (based on TCDD-EQs), was > 20 to 50 ppt. Oxidative stress and teratogenic effects occurred in ducklings at the more contaminated nesting sites nearest the point source. These findings suggest that wood ducks may be more sensitive to PCDD and PCDF contamination than some other aquatic birds and could serve as an indicator species for monitoring biological impacts from these contaminants.

  7. Effects of polychlorinated dibenzo-p-dioxins and dibenzofurans on nesting wood ducks (Aix sponsa) at Bayou Meto, Arkansas.

    PubMed Central

    White, D H; Hoffman, D J

    1995-01-01

    Wood ducks (Aix sponsa) nesting along Bayou Meto downstream from a hazardous waste site in central Arkansas were contaminated with polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs). Residues in eggs, based on 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents (TCDD-EQ), ranged up to 611 parts per trillion (ppt), and egg arithmetic means were 90-fold higher at the site nearest the point source compared with a reference site. We monitored productivity of wood ducks in artificial nest boxes at three sites on the bayou and at a reference site on a separate drainage during 1988-1990. Productivity was suppressed (p < 0.05) at the bayou sites compared with the reference site, and egg TCDD-EQs were inversely correlated (p < 0.001) with productivity in corresponding nests. The threshold range of toxicity, where reduced productivity was evident in wood ducks (based on TCDD-EQs), was > 20 to 50 ppt. Oxidative stress and teratogenic effects occurred in ducklings at the more contaminated nesting sites nearest the point source. These findings suggest that wood ducks may be more sensitive to PCDD and PCDF contamination than some other aquatic birds and could serve as an indicator species for monitoring biological impacts from these contaminants. PMID:7556022

  8. Superfund Record of Decision (EPA Region 6): Bayou Sorrel, Louisiana, November 1986. First remedial action. Final report

    SciTech Connect

    Not Available

    1986-11-14

    The Bayou Sorrel site is located in Iberville Parish, Louisiana approximately 20 miles southwest of Baton Rouge, LA. Fifty acres of the 265-acre site have been used for waste disposal. The waste-disposal areas consist of four landfills: a spent-lime cell, a crushed-drum cell, four covered liquid-waste ponds, and a land farm. The remaining acres are covered by dense brush and trees. The entire site has a marshy, bayou-type environment and is prone to flooding and poor drainage. Early in 1977, the Environmental Purification Advancement Corporation (EPAC) began operating the Bayou Sorrel site. A sister firm, Clean Land Air Water, Inc. (CLAW) operated an injection well approximately six miles south of the site. EPAC operations included landfarming, open liquid impoundments, drum burial, and landfilling of chemically fixated wastes. The fixation process is unknown but may have included lime, cement, and native soils. EPAC and CLAW were two separate operations, however, it was suggested that wastes from the injection well were diverted to EPAC when process problems at the well caused a bottleneck. In the summer of 1978, a truck driver died at the site.

  9. Soil Biogeochemical Properties and Erosion Source Prediction Model Summary for the Buffalo Bayou Watershed, Houston, Texas

    NASA Astrophysics Data System (ADS)

    Ahmed, I.

    2015-12-01

    We draw conclusions on the research output and findings from a 4-year multidisciplinary USDA-CBG collaborative program in sustainable integrated monitoring of soil organic carbon (SOC) loss prediction via erosion. The underlying method uses the state-of-the-art stable isotope science of sediment tracing under uncertain hydrologic influences. The research finds are rooted in the (i) application of Bayesian Markov Chain Monte Carlo statistical models to assess the relationship between rainfall-runoff and soil erosion in space and time, (ii) capture of the episodic nature of rainfall events and its role in the spatial distribution of SOC loss from water erosion, (iii) stable isotope composition guided fingerprinting (source and quantity) of eroded soil, and (iv) the creation of an integrated watershed scale statistical soil loss monitoring model driven by spatial and temporal correlation of flow and stable isotope composition. The research theme was successfully applied on the urbanized Buffalo Bayou Watershed in Houston, Texas. The application brought to light novel future research conceptual outlines which will also be discussed in this deliverable to the AGU meeting. These include but not limited to: regional rainfall cluster research, physics of muddy river-bank soil and suspended sediment interaction, and friction & mobility that together make up the plasticity of soil aggregates that control erosion processes and landscape changes in a riparian corridor. References: Ahmed, I., Karim, A., Boutton, T.W., and Strom, K.B. (2013a). "Monitoring Soil Organic Carbon Loss from Erosion Using Stable Isotopes." Proc., Soil Carbon Sequestration, International Conference, May 26-29, Reykjavik, Iceland. Ahmed, I, Bouttom, T.W., Strom, K. B., Karim, A., and Irvin-Smith, N. (2013b). "Soil carbon distribution and loss monitoring in the urbanized Buffalo Bayou watershed, Houston, Texas." Proc., 4th Annual All Investigators Meeting of the North American Carbon Program, February 4

  10. Hexahedral Finite Element Mesh Capturing Realistic Geometries of Bayou Choctaw Strategic Petroleum Reserve

    NASA Astrophysics Data System (ADS)

    Park, B. Y.; Roberts, B. L.; Sobolik, S. R.

    2016-12-01

    The U.S. Strategic Petroleum Reserve (SPR) stores crude oil in 60 caverns located at four sites located along the Gulf Coast. As a matter of normal operation of caverns in a salt dome, the continuous mechanical creep of salt, along with the change in internal cavern and casing pressure due to cavern closure and fluid exchanges, impose several mechanical conditions on the skin, well, and casing of a cavern that could potentially create damage. Sandia, on behalf of DOE, is evaluating the structural integrity of the salt surrounding existing caverns in the Bayou Choctaw (BC) salt dome in Louisiana. In reality, the geometry, spacing, and depths of the caverns are irregular. It is not easy to realize the naturally and artificially formed cavern and salt dome for numerical analysis. It is harder to convert the geometries into the meshed mass consisting of only hexahedral finite elements. A three-dimensional (3D) finite element mesh capturing realistic geometries of the Bayou Choctaw site has been constructed using the seismic and sonar survey data obtained from the field (see Figures below). The mesh consists of hexahedral elements because the salt constitutive model is coded using hexahedral elements. Techniques to reduce the number of elements as much as possible to save on computer run time while maintaining computational accuracy are also developed. These methodologies could also be applied to construct computational meshes for the Big Hill, Bryan Mound, and West Hackberry SPR sites. The methodology could be applied to the complicated shape masses for not only various civil and geological structures but also biological applications such as artificial limbs. The newly developed mesh is expected to provide more accurate solutions of geotechnical concerns that arise due to the close proximity of the caverns to each other or to the edge of salt. Also, there are nine abandoned caverns, one of which is believed to be in a quasi-stable condition. Stability issues for these

  11. Bioaccumulation of human pharmaceuticals in fish across habitats of a tidally influenced urban bayou.

    PubMed

    Du, Bowen; Haddad, Samuel P; Luek, Andreas; Scott, W Casan; Saari, Gavin N; Burket, S Rebekah; Breed, Christopher S; Kelly, Martin; Broach, Linda; Rasmussen, Joseph B; Chambliss, C Kevin; Brooks, Bryan W

    2016-04-01

    Though pharmaceuticals and other contaminants of emerging concern are increasingly observed in inland water bodies, the occurrence and bioaccumulation of pharmaceuticals in estuaries and coastal ecosystems are poorly understood. In the present study, bioaccumulation of select pharmaceuticals and other contaminants of emerging concern was examined in fish from Buffalo Bayou, a tidally influenced urban ecosystem that receives effluent from a major (∼200 million gallons per day) municipal wastewater treatment plant in Houston, Texas, USA. Using isotope dilution liquid chromatography-tandem mass spectrometry, various target analytes were observed in effluent, surface water, and multiple fish species. The trophic position of each species was determined using stable isotope analysis. Fish tissue levels of diphenhydramine, which represented the only pharmaceutical detected in all fish species, did not significantly differ between freshwater and marine fish predominantly inhabiting benthic habitats; however, saltwater fish with pelagic habitat preferences significantly accumulated diphenhydramine to the highest levels observed in the present study. Consistent with previous observations from an effluent-dependent freshwater river, diphenhydramine did not display trophic magnification, which suggests site-specific, pH-influenced inhalational uptake to a greater extent than dietary exposure in this tidally influenced urban ecosystem. The findings highlight the importance of understanding differential bioaccumulation and risks of ionizable contaminants of emerging concern in habitats of urbanizing coastal systems. © 2015 SETAC.

  12. Turtle Bayou 1936-1983: case history of a major gas field in south Louisiana

    SciTech Connect

    Cronquist, C.

    1984-11-01

    Turtle Bayou field, located in the middle Miocene trend in south Louisiana, is nearing the end of a productive life spanning more than 30 years. Discovered by Shell Oil Co. in 1949 after unsuccessful attempts by two other companies, the field is a typical, low-relief, moderately faulted U.S. Gulf Coast structure, probably associated with deep salt movement. The productive interval includes 22 separate gas-bearing sands in a regressive sequence of sands and shales from approximately 6,500 to 12,000 ft (1980 to 3660 m). Now estimated to have contained about 1.2 trillion scf (34 X 10/sup 9/ std m/sup 3/) of gas in place, cumulative production through 1982 was 702 billion scf (20 X 10/sup 9/ std m/sup 3/). Cumulative condensate/gas ration (CGR) has been 20 bbl/MMcf (110 X 10/sup -6/ m/sup 3//m/sup 3/. Recovery mechanisms in individual reservoirs include strong bottomwater drive, partial edgewater drive, and pressure depletion. Recovery efficiencies in major reservoirs range form 40 to 83% of original gas in place (OGIP). On decline since 1973, it is anticipated the field will be essentially depleted in the next 5 years.

  13. Reservoir Modeling and Prediction at Pleasant Bayou Geopressured-Geothermal Reservoir

    SciTech Connect

    Shook, Mike

    1992-03-24

    Modeling and prediction of geopressured-geothermal reservoirs is an excellent example of an engineering problem that can be solved through many different means. The problem may be approached from a purely numerical viewpoint, where a successful history match ''demonstrates'' the validity of the reservoir model, or from an analytical point of view. Each method has its own inherent limitations and weaknesses. Such limitations can be minimized by using some combination of both numerical and analytical methods, taking advantage of the strengths of each without the attendant weaknesses. This paper describes a combined numerical/analytical approach to reservoir engineering at the Pleasant Bayou geopressured-geothermal reservoir. A reservoir description had previously been developed, through which a successful history match was performed. Certain details of the reservoir can also be obtained through analysis of pressure and flow transients; these can then be used to constrain the numerical model. Methods for extracting such reservoir data are discussed, and the manner in which they can be used as constraints in the numerical models are presented.

  14. Pleasant Bayou geopressured/geothermal testing project, Brazoria County, Texas. Final report

    SciTech Connect

    Ortego, P.K.

    1985-07-01

    Phase II-B production testing of the Pleasant Bayou No. 2 well began September 22, 1982. The test plan was designed to evaluate the capabilities of the geopressured-geothermal reservoir during an extended flow period. Tests were conducted to determine reservoir areal extent; aquifer fluid properties; fluid property change with production; information on reservoir production drive mechanism; long-term scale and corrosion control methods; and disposal well operations. Operatinal aspects of geopressured-geothermal production were also evaluated. The test was discontinued prematurely in May 1983 because of a production tubing failure. Most of the production tubing was recovered from the well and cause of the failure was determined. Plans for recompletion of the well were prepared. However, the well was not recompleted because of funding constraints and/or program rescheduling. In March 1984, the Department of Energy, Nevada Operations Office (DOE/NV) directed that the site be placed in a standby-secured condition. In August 1984, the site was secured. Routine site maintenance and security was provided during the secured period.

  15. A validation test for Adagio through replication of Big Hill and Bayou Choctaw JAS3D models.

    SciTech Connect

    Park, Byoung Yoon

    2013-06-01

    JAS3D, a three dimensional iterative solid mechanics code, has been used for structural analyses for the Strategic Petroleum Reserve system since the 1990s. JAS3D is no longer supported by Sandia National Laboratories, and has been replaced by Adagio. To validate the transition from JAS3D to Adagio, the existing JAS3D input decks and user subroutines for Bayou Choctaw and Big Hill models were converted for use with Adagio. The calculation results from the Adagio runs are compared to the JAS3D. Since the Adagio results are very similar to the JAS3D results, Adagio is judged to be performing satisfactorily.

  16. Strategic Petroleum Reserve (SPR) additional geologic site characterization studies, Bayou Choctaw salt dome, Louisiana

    SciTech Connect

    Neal, J.T.; Magorian, T.R.; Byrne, K.O.; Denzler, S.

    1993-09-01

    This report revises and updates the geologic site characterization report that was published in 1980. Revised structure maps and sections show interpretative differences in the dome shape and caprock structural contours, especially a major east-west trending shear zone, not mapped in the 1980 report. Excessive gas influx in Caverns 18 and 20 may be associated with this shear zone. Subsidence values at Bayou Choctaw are among the lowest in the SPR system, averaging only about 10 mm/yr but measurement and interpretation issues persist, as observed values often approximate measurement accuracy. Periodic, temporary flooding is a continuing concern because of the low site elevation (less than 10 ft), and this may intensify as future subsidence lowers the surface even further. Cavern 4 was re-sonared in 1992 and the profiles suggest that significant change has not occurred since 1980, thereby reducing the uncertainty of possible overburden collapse -- as occurred at Cavern 7 in 1954. Other potential integrity issues persist, such as the proximity of Cavern 20 to the dome edge, and the narrow web separating Caverns 15 and 17. Injection wells have been used for the disposal of brine but have been only marginally effective thus far; recompletions into more permeable lower Pleistocene gravels may be a practical way of increasing injection capacity and brinefield efficiency. Cavern storage space is limited on this already crowded dome, but 15 MMBBL could be gained by enlarging Cavern 19 and by constructing a new cavern beneath and slightly north of abandoned Cavern 13. Environmental issues center on the low site elevation: the backswamp environment combined with the potential for periodic flooding create conditions that will require continuing surveillance.

  17. Soft-water zone in the Chicot Aquifer, Bayou Teche area, Louisiana

    USGS Publications Warehouse

    Hosman, R.L.

    1974-01-01

    Test drilling in the vicinity of Bayou Teche in St. Martin Parish in southern Louisiana has disclosed a zone of soft water in the basal unit of the Chicot aquifer; the Chicot aquifer system blankets all southwestern Louisiana. Fresh water, which is defined as containing 250 milligrams per liter chloride or less, in the Chicot aquifer is characteristically hard and high in iron concentration; in this area the hardness is generally 200-300 milligrams per liter. The soft-water zone, containing water with a hardness of less than 60 milligrams per liter, is anomalous and occurs in an area where the basal part of the aquifer is separated from the main body of the aquifer by a thick clay layer. The zone has been mapped in parts of St. Martin and adjoining Lafayette Parishes. Although the exact areal extent of the zone cannot be determined with available data, it appears to be sufficiently large that the soft water should prove to be an important asset to the area. The water could be used by itself or mixed with either hard or slightly salty water (more than 250 milligrams per liter chloride) to provide a blend that would require little or no treatment for most purposes. Because of the proximity of salty water in much of the area, careful planning and monitoring will be necessary to maintain the soft-water zone as a dependable supply of usable water. The soft water appears to be an exhaustible supply; however, its useful life as a resource can be maximized by proper management.

  18. Predicting diagenetic history and reservoir quality in the Frio Formation of Brazoria County, Texas and Pleasant Bayou test wells

    SciTech Connect

    Kaiser, W.R.; Richmann, D.L.

    1981-01-01

    Good-quality geothermal reservoirs displaying secondary porosity exist on the upper Texas coast (Brazoria County), site of the Pleasant Bayou No. 1 and No. 2 wells, and are attributed to a moderately stable mineral assemblage, normal geothermal gradients, and low in situ pH. Major authigenic minerals are calcite, quartz, and kaolinite. Detrital feldspar has been extensively albitized at depth. Major diagenetic events overlapped, occurring in the general order-precipitation of calcite, formation of quartz overgrowths, albitization, leaching of calcite to form secondary porosity, and precipitation of kaolinite. Seventeen Brazoria County water analyses including two from the Pleasant Bayou No. 2 well were thermodynamically tested. Predictions based on equilibrium thermodynamics add new insight on mineral stabilities and are consistent with the paragenetic sequence developed from petrographic data. Early precipitation of calcite at shallow depths of burial is predicted. Low temperture and low in situ pH explain the general absence of chlorite. The use of solution-mineral equilibria as a predictor of reservoir quality is inconclusive, but well-defined clustering of waters indicates that identification of regional trends will probably be possible. Shallow waters may be the key to predicting reservoir quality at depth.

  19. Effects of polychlorinated dibenzo-p-dioxins and dibenzofurans on nesting wood ducks (Aix Sponsa) at Bayou Meto, Arkansas

    USGS Publications Warehouse

    White, D.H.; Hoffman, D.J.

    1995-01-01

    Wood ducks (Aix sponsa) nesting along Bayou Meto downstream from a hazardous waste site in central Arkansas were contaminated with polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs). Residues in eggs, based on 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents (TCDD-EQ), ranged up to 611 parts per trillion (ppt), and egg arithmetic means were 90-fold higher at the site nearest the point source compared with a reference site. We monitored productivity of wood ducks in artificial nest boxes at three sites on the bayou and at a reference site on a separate drainage during 1988-1990. Productivity was suppressed (p 20 to 50 ppt. Oxidative stress and teratogenic effects occurred in ducklings at the more contaminated nesting sites nearest the point source. These findings suggest that wood ducks may be more sensitive to PCDD and PCDF contamination than some other aquatic birds and could serve as an indicator species for monitoring biological impacts from these contaminants.

  20. Characterizing Micro- and Macro-Scale Seismicity from Bayou Corne, Louisiana

    NASA Astrophysics Data System (ADS)

    Baig, A. M.; Urbancic, T.; Karimi, S.

    2013-12-01

    The initiation of felt seismicity in Bayou Corne, Louisiana, coupled with other phenomena detected by residents on the nearby housing development, prompted a call to install a broadband seismic network to monitor subsurface deformation. The initial deployment was in place to characterize the deformation contemporaneous with the formation of a sinkhole located in close proximity to a salt dome. Seismic events generated during this period followed a swarm-like behaviour with moment magnitudes culminating around Mw2.5. However, the seismic data recorded during this sequence suffer from poor signal to noise, onsets that are very difficult to pick, and the presence of a significant amount of energy arriving later in the waveforms. Efforts to understand the complexity in these waveforms are ongoing, and involve invoking the complexities inherent in recording in a highly attenuating swamp overlying a complex three-dimensional structure with the strong material property contrast of the salt dome. In order to understand the event character, as well as to locally lower the completeness threshold of the sequence, a downhole array of 15 Hz sensors was deployed in a newly drilled well around the salt dome. Although the deployment lasted a little over a month in duration, over 1000 events were detected down to moment magnitude -Mw3. Waveform quality tended to be excellent, with very distinct P and S wave arrivals observable across the array for most events. The highest magnitude events were seen as well on the surface network and allowed for the opportunity to observe the complexities introduced by the site effects, while overcoming the saturation effects on the higher-frequency downhole geophones. This hybrid downhole and surface array illustrates how a full picture of subsurface deformation is only made possible by combining the high-frequency downhole instrumentation to see the microseismicity complemented with a broadband array to accurately characterize the source

  1. A Possible Source Model for VLP Signals in Bayou Corne, LA

    NASA Astrophysics Data System (ADS)

    Leidig, M.; Stroujkova, A. F.

    2013-12-01

    Very Long Period (VLP) signals have been recorded in the Bayou Corne area since the formation of a sinkhole resulting from failed a salt cavern. Sediment and/or water migration is hypothesized to be responsible for these signals. Some key observations regarding these signals include: 1. VLP signals are best recorded at an individual station (LA12) to the southwest of the sinkhole. 2. First VLP event detected 3 days after the sinkhole formed, months after the first seismic events. 3. VLP events increase dramatically in the days preceding sinkhole activity. 4. Natural gas migration potentially occurred for a period of time, possibly months, prior to first VLP event detection. 5. Area near LA12 has undergone at least 2 m of subsidence. 6. VLP activity has continued, even as the cavern has nearly filled with sediment. We have examined various possible source mechanisms in order to understand the origin of the VLP signals. A damped oscillator model in which a surface layer vibrates in response to external disturbances best describes the observed VLP events. The model likely represents the shallow Upper Aquitard (UA) oscillating on top of the Mississippi River Alluvial Aquifer (MRAA). In order for the clay layer of the UA to undulate, the sediments in the MRAA would need to be in a fluidized state, with a viscosity similar to tar or magma. The MRAA is fully saturated with water, and small injections of water into the MRAA could temporarily and locally fluidize the sands and disturb the UA creating a VLP event. In addition, small earthquakes can disturb the system and trigger the oscillations. Lateral movement of fluidized sediments could also disturb the UA and generate a VLP in addition to explaining subsidence near LA12. Lateral extrusion of material into the sinkhole also fits with the lack of detected VLP events prior to the sinkhole formation and the increase in VLP events prior to sinkhole activity. Repeated mappings of the sinkhole geometry indicate the maximum

  2. Quantifying the Spatial Configuration of Impervious Cover and its Effect on Runoff Generation in the Whiteoak Bayou Watershed In Texas

    NASA Astrophysics Data System (ADS)

    Olivera, F.; Defee, B. B.

    2005-12-01

    This study examines the relationship between the developing landscape and the water flowing through it in the Whiteoak Bayou watershed located in the coastal plains in Harris County, Texas, on the northwest outskirts of Houston. The area was 223-km2 and the analysis period spanned from January 1, 1949, to December 31, 2000. Daily streamflow data for the 52 years was obtained from USGS and coincident precipitation data was obtained from NOAA. Georeferenced parcel-level land use data was obtained from the Harris County Appraisal District with sufficient detail to determine the parcel area, the year of development, and the building area. Watershed boundaries were obtained from the Harris County Flood Control District. The analysis of the flow series showed striking changes in the flow regime around years 1972 and 1985, which were not associated to changes in the somewhat steady increasing trend of the watershed total developed area or impervious cover. This study aimed at determining measures of development that could explain the flow regime changes in the Whiteoak Bayou watershed. As part of the analysis, geographic information systems (GIS) and spatial metrics were utilized to describe the changes in the broad-scale patterns of the human-developed portion of the landscape, and to relate them to changes in streamflow over time. FRAGSTATS was used to quantify spatial patterns in the developed landscape on an annual basis. It was found that models based on the spatial configuration of the developed landscape capture better the flow regime changes. In particular, it was found that the decline in the number of developed patches, caused by the filling of the gaps in the built areas, coincided with an identifiable increase in flow rates.

  3. Summary statistics and graphical comparisons of specific conductance, temperature, and dissolved oxygen data, Buffalo Bayou, Houston, Texas, April 1986-March 1991

    USGS Publications Warehouse

    Brown, D.W.; Paul, E.M.

    1995-01-01

    Buffalo Bayou is the major stream that drains the Houston, Texas, metropolitan area. The U.S. Geological Survey has provided specific conductance, temperature, and dissolved oxygen data to the City of Houston for three sites along a 7.7-mile reach of Buffalo Bayou since 1986. Summary statistics and graphical comparisons of the data show substantial variability in the properties during 1986-91. Specific conductance ranged from about 100 microsiemens per centimeter at 25 degrees Celsius at each of the three sites to 17,100 microsiemens per centimeter at 25 degrees Celsius at the most downstream site, at the headwaters of the Houston Ship Channel. Water temperatures ranged from 5 to 33 degrees Celsius. Temperatures were very similar at the two upstream sites and slightly warmer at the most downstream site. Dissolved oxygen ranged from zero at the most downstream site to 11.7 milligrams per liter at the most upstream site.

  4. Superfund Record of Decision (EPA Region 6): Petro-Chemical (Turtle Bayou), Liberty County, TX. (Second remedial action), September 1991. Final report

    SciTech Connect

    Not Available

    1991-09-06

    The 500-acre Petro-Chemical (Turtle Bayou) site is in Liberty County, Texas. Current land use in the area is divided among cropland, pasture, range, forest, and small rural communities. Since 1971, numerous undocumented disposal activities occurred onsite involving primarily petrochemical wastes. The ROD for OU2 focuses on three areas of contamination at the site affecting soil and ground water contamination, known as the main waste area, the east disposal area, and the Bayou disposal area. The primary contaminants of concern affecting the soil and ground water are VOCs including benzene and xylenes; other organics including PAHs; and metals including lead. The selected remedial action for the site includes treating 302,800 cubic yards of contaminated soil onsite using in-situ vapor extraction to remove VOCs, controlling vertical air infiltration using an engineered soil and synthetic liner cap; consolidating lead-contaminated soil in the Main Waste Area, followed by capping.

  5. Pharmaceuticals and personal care products (PPCPs) and endocrine disrupting chemicals (EDCs) in stormwater canals and Bayou St. John in New Orleans, Louisiana, USA.

    PubMed

    Boyd, Glen R; Palmeri, Jordan M; Zhang, Shaoyuan; Grimm, Deborah A

    2004-10-15

    Samples were collected from two stormwater canals and a recreational urban waterway known as Bayou St. John in New Orleans, Louisiana, USA and analyzed for a range of pharmaceuticals and personal care products (PPCPs) and endocrine disrupting chemicals (EDCs). Concentrations of 7 PPCPs and EDCs were measured by a method that provides for simultaneous extraction and quantification of the following compounds: clofibric acid, naproxen, ibuprofen, fluoxetine, clorophene, triclosan, bisphenol A. The method also was used as an indicator of the occurrence of estrogenic compounds by targeting estrone and 17beta-estradiol. The two canals (Orleans and London) are used to drain a portion of the city's stormwater directly into the Mississippi River or Lake Pontchartrain. Bayou St. John is located between the two canals and supplied with water from Lake Pontchartrain. Results from the 6-month sampling period indicated the following concentration ranges for the two stormwater canals: naproxen (ND - 145 ng/l), ibuprofen (ND - 674 ng/l), triclosan (ND - 29 ng/l) and bisphenol A (1.9-158 ng/l). Concentrations of these target analytes increased with cumulative rainfall. For bayou waters, only naproxen (2.1-4.8 ng/l) and bisphenol A (0.9-44 ng/l) were detected. Estrone was detected but determined non-quantifiable for multiple sampling events at the 3 sites. None of the other target analytes (clofibric acid, fluoxetine, clorophene, and 17beta-estradiol) were detected above their method detection levels. Results of this study demonstrate the occurrence of PPCPs and EDCs in New Orleans stormwater canals and Bayou St. John. Results also demonstrate the use of this analytical technique as an indicator of non-point source sewage contamination in New Orleans stormwater canals.

  6. Subsurface geology and potential for geopressured-geothermal energy in the Turtle Bayou field-Kent Bayou field area, Terrebonne Parish, Louisiana

    SciTech Connect

    Moore, D.R.

    1982-09-01

    A 216 square mile area approximately 65 miles southwest of New Orleans, Louisiana, has been geologically evaluated to determine its potential for geopressured-geothermal energy production. The structural and stratigraphic analyses were made with emphasis upon the Early and Middle Miocene age sediments which lie close to and within the geopressured section. Three geopressured sands, the Robulus (43) sand, Cibicides opima sand, and Cristellaria (I) sand, are evaluated for their potential of producing geothermal energy. Two of these sands, the Robulus (43) sand and the Cibicides opima sand, meet several of the United States Department of Energy's suggested minimum requirements for a prospective geopressured-geothermal energy reservoir.

  7. Sonar atlas of caverns comprising the U.S. Strategic Petroleum Reserve. Volume 1, Bayou Choctaw site, Louisiana.

    SciTech Connect

    Rautman, Christopher Arthur; Lord, Anna Snider

    2007-10-01

    Downhole sonar surveys from the four active U.S. Strategic Petroleum Reserve sites have been modeled and used to generate a four-volume sonar atlas, showing the three-dimensional geometry of each cavern. This volume 1 focuses on the Bayou Choctaw SPR site, located in southern Louisiana. Volumes 2, 3, and 4, respectively, present images for the Big Hill SPR site, Texas, the Bryan Mound SPR site, Texas, and the West Hackberry SPR site, Louisiana. The atlas uses a consistent presentation format throughout. The basic geometric measurements provided by the down-cavern surveys have also been used to generate a number of geometric attributes, the values of which have been mapped onto the geometric form of each cavern using a color-shading scheme. The intent of the various geometrical attributes is to highlight deviations of the cavern shape from the idealized cylindrical form of a carefully leached underground storage cavern in salt. The atlas format does not allow interpretation of such geometric deviations and anomalies. However, significant geometric anomalies, not directly related to the leaching history of the cavern, may provide insight into the internal structure of the relevant salt dome.

  8. National Water-Quality Assessment Program; summary of pesticide data collected on Whites Bayou near Anahuac, Texas, March to September 1994

    USGS Publications Warehouse

    ,

    1995-01-01

    One water-quality monitoring site was established on Whites Bayou, at the downstream end of the study area. Sampling began in March 1994 and will continue for 1 year. Sampling frequency ranges from four times per month in May and June to once per month in July. Stream-stage measurements were made three times per week from April to September. Field measurements during sampling include stream stage and discharge, water temperature, pH, dissolved oxygen, and specific conductance. Laboratory analyses include major inorganic ions, nutrients, sediment, and pesticides.

  9. Combustible Cartridge Cases: Current Status and Future Prospects

    DTIC Science & Technology

    1992-08-01

    and Munitions Division ATTN: J. Hebert Code G301, D. Wilson J. Frankle Code G32, Gun Systems Branch D. Cleveland Code E23, Technical Library P.O. Box...Laboratories Richland, WA 99352 ATIN: Mr. Victor Levin 505 King Ave. Stevens Institute of Technology Columbus, OH 43201-2693 Davidson Laboratory ATTN

  10. Pipeline corridors through wetlands - impacts on plant communities: Bayou Grand Cane, De Soto Parish, Louisiana. Topical report, August 1991--July 1993

    SciTech Connect

    Shem, L.M.; Zimmerman, R.E.; Hayes, D.; Van Dyke, G.D. |

    1994-12-01

    The goal of the Gas Research Institute Wetland Corridors Program is to document impacts of existing pipeline on the wetlands they traverse. To accomplish this goal, 12 existing wetland crossings were surveyed. These sites varied in elapsed time since pipeline construction, wetland type, pipeline installation techniques, and night of-way (ROW) management practices. This report presents the results of a survey conducted over the period of August 12-13, 1991, at the Bayou Grand Cane crossing in De Soto Parish, Louisiana, where a pipeline constructed three years prior to the survey crosses the bayou through mature bottomland hardwoods. The sit was not seeded or fertilized after construction activities. At the time of sampling, a dense herb stratum (composed of mostly native species) covered the 20-m-wide ROW, except within drainage channels. As a result of the creation of the ROW, new habitat was created, plant diversity increased, and forest habitat became fragmented. The ROW must be maintained at an early stage of succession to allow access to the pipeline however, impacts to the wetland were minimized by decreasing the width of the ROW to 20 m and recreating the drainage channels across the ROW. The canopy trees on the ROW`s edge shaded part of the ROW, which helped to minimize the effects of the ROW.

  11. Simulation of the effects of groundwater withdrawals on water-level altitudes in the Sparta aquifer in the Bayou Meto-Grand Prairie area of eastern Arkansas, 2007-37

    USGS Publications Warehouse

    Clark, Brian R.; Westerman, Drew A.; Fugitt, D. Todd

    2011-01-01

    A groundwater-flow model of the Mississippi embayment was used to evaluate changes in water-level altitudes before (scenario 1) and after (scenario 2) the addition of wells that simulate potential future pumping from the Sparta aquifer in the Bayou Meto-Grand Prairie area of eastern Arkansas for the 30-year period from 2007 through 2037. Water-level altitudes at six model cell locations from the two different scenarios were compared for the period 2007 through 2037. Potential future pumping wells were added to the Mississippi Embayment Regional Aquifer Study model at a rate of 13 wells per year within areas of potential future pumping. Change maps for the Bayou Meto-Grand Prairie area were constructed for each scenario and water-level hydrographs were constructed for each scenario for each of the six model cell locations. The additional pumping from wells in the Sparta aquifer created greater water-level declines in the Bayou Meto-Grand Prairie area. In scenario 1, simulated water-level altitude declines range from 20 to 40 feet from 2007 through 2037. In scenario 2, the cone of depression in Lonoke County is the deepest, with a maximum water-level decline of approximately 102 feet. Water-level altitude declines range from 40 to 50 feet over most of the remainder of the Bayou Meto-Grand Prairie area in scenario 2. Simulated water-level altitudes across the Bayou Meto-Grand Prairie area and at all six model cell locations indicate substantial declines when additional wells pumping from the Sparta aquifer are introduced into the model from 2007 through 2037.

  12. Streamflow and nutrient data for the Yazoo River below Steele Bayou near Long Lake, Mississippi, 1996-2000

    USGS Publications Warehouse

    Runner, Michael S.; Turnipseed, D. Phil; Coupe, Richard H.

    2002-01-01

    Increased nutrient loading to the Gulf of Mexico from off-continent flux has been identified as contributing to the increase in the areal extent of the low dissolved-oxygen zone that develops annually off the Louisiana and Texas coast. The proximity of the Yazoo River Basin in northwestern Mississippi to the Gulf of Mexico, and the intensive agricultural activities in the basin have led to speculation that the Yazoo River Basin contributes a disproportionate amount of nitrogen and phosphorus to the Mississippi River and ultimately to the Gulf of Mexico. An empirical measurement of the flux of nitrogen and phosphorus from the Yazoo Basin has not been possible due to the hydrology of the lower Yazoo River Basin. Streamflow for the Yazoo River below Steele Bayou is affected by backwater from the Mississippi River. Flow at the gage is non-uniform and varying, with bi-directional and reverse flows possible. Streamflow was computed by using remote sensing and acoustic and conventional discharge and velocity measurement techniques. Streamflow from the Yazoo River for the 1996-2000 period accounted for 2.8 percent of the flow of the Mississippi River for the same period. Water samples from the Yazoo River were collected from February 1996 through December 2000 and were analyzed for total nitrogen, nitrate, total phosphorus, and orthophosphorus as part of the U.S. Geological Survey National Water-Quality Assessment Program. These data were used to compute annual loads of nitrogen and phosphorus discharged from the Yazoo River for the period 1996-2000. Annual loads of nitrogen and phosphorus were calculated by two methods. The first method used multivariate regression and the second method multiplied the mean annual concentration by the total annual flow. Load estimates based on the product of the mean annual concentration and the total annual flow were within the 95 percent confidence interval for the load calculated by multivariate regression in 10 of 20 cases. The Yazoo

  13. Factors controlling porosity and permeability in geopressured Frio sandstone reservoirs, general crude oil/Department of Energy Pleasant Bayou test wells, Brazoria County, Texas

    SciTech Connect

    Loucks, R.G.; Richman, D.L.; Milliken, K.L.

    1980-06-01

    Reservoir characteristics of Frio sandstones in the GCO/DOE Pleasant Bayou No. 1 and No. 2 wells are influenced by depositional environment, sandstone composition, and diagenetic history. The sandstones and shales were deposited in deltaic and continental slope environments. Fluvial channel and distributary-mouth bar sandstones are most favorable for development and preservation of the porosity needed for a geothermal reservoir. Sandstones in the geopressured zone are lithic arkoses and feldspathic litharenites. Depositional matric (detrital material less than 20 micrometers in size) occluded most or all of the potential primary porosity between grains in many of the fine-grained sandstones at the time of deposition. Even if cements are present, dissolution of grains and development of secondary porosity do take place. Permeable geopressured sandstone reservoirs are characterized by porosity that is dominantly secondary. 12 references.

  14. Final report for the geothermal well site restoration and plug and abandonment of wells: DOE Pleasant Bayou test site, Brazoria County, Texas

    SciTech Connect

    Rinehart, Ben N.; Seigel, Ben H.

    1994-03-13

    For a variety of reasons, thousands of oil and gas wells have been abandoned in the Gulf Coast Region of the United States. Many of these wells penetrated geopressured zones whose resource potential for power generation was undervalued or ignored. The U.S. Department of Energy (DOE) Geopressured-Geothermal Research Program was chartered to improve geothermal technology to the point where electricity could be commercially produced from a substantial number of geopressured resource sites. This research program focused on relatively narrow technical issues that are unique to geopressured resources such as the ability to predict reservoir production capacity based on preliminary flow tests. Three well sites were selected for the research program. These are the Willis Hulin and Gladys McCall sites in Louisiana, and the Pleasant Bayou site in Texas. The final phase of this research project consists of plug and abandonment (P&A) of the wells and site restoration.

  15. Environmental baseline monitoring in the area of general crude oil - Department of Energy Pleasant Bayou Number 2: a geopressured geothermal test well, 1979. Annual report, Volume I

    SciTech Connect

    Gustavson, T.C.; Howard, R.C.; McGookey, D.

    1980-01-01

    A program to monitor baseline air and water quality, subsidence, microseismic activity, and noise in the vicinity of Brazoria County geopressured geothermal test wells, Pleasant Bayou No. 1 and No. 2, has been underway since March 1978. The initial report on environmental baseline monitoring at the test well contained descriptions of baseline air and water quality, a noise survey, an inventory of microseismic activity, and a discussion of the installation of a liquid tilt meter (Gustavson, 1979). The following report continues the description of baseline air and water quality of the test well site, includes an inventory of microseismic activity during 1979 with interpretations of the origin of the events, and discusses the installation and monitoring of a liquid tilt meter at the test well site. In addition, a brief description of flooding at the test site is presented.

  16. National Water-Quality Assessment Program; summary of pesticide data collected on East Fork Double Bayou, near Anahuac, Texas, March to September 1994

    USGS Publications Warehouse

    ,

    1995-01-01

    The Trinity River Basin study-unit assessment began in October 1991, with 2 years dedicated to planning, analyzing existing information, and designing data-collection networks, surveys, and studies. Then, a 3-year intensive data-collection program was initiated. The assessment followed guidelines provided by the National Water-Quality Assessment (NAWQA) Program National Synthesis team and considered suggestions made by the study unit's liaison committee. One of the issues selected for study concerned the quality of runoff in the coastal prairie. The study includes collecting streamflow, water-quality and watershed data on three streams, each representing watersheds in different parts of the coastal prairie. This fact sheet presents a summary of the pesticide data collected on East Fork Double Bayou from March to September 1994.

  17. Water-quality, sediment-quality, stream-habitat, and biological data for Mustang Bayou near Houston, Texas, 2004-05

    USGS Publications Warehouse

    Sneck-Fahrer, Debra A.; East, Jeffery W.

    2007-01-01

    The U.S. Geological Survey, in cooperation with the Houston-Galveston Area Council and the Texas Commission on Environmental Quality, collected water-quality, stream-habitat, and biological data from six sites (downstream order M6-M1) primarily in Brazoria County southeast of Houston, Texas, during September 2004-August 2005 and collected bed sediment data from one site in September 2005. Water-quality data collection consisted of continuously monitored (for periods of 24 hours to several days, six times) water temperature, pH, specific conductance, and dissolved oxygen and periodically collected samples of several properties and constituents. Monitored dissolved oxygen measurements were below minimum and 24-hour criteria at all sites except M2. Nitrogen compounds, phosphorus, biochemical oxygen demand, chlorophyll-a, E. coli, chloride, sulfate, solids, suspended sediment concentration, and pesticides were assessed at all sites. Concentrations of nitrogen compounds and phosphorus did not exceed Texas State screening levels. Biochemical oxygen demand was less than 4.0 milligrams per liter at all sites except M6, where the maximum concentration was 8.1 milligrams per liter. Concentrations of chlorophyll-a were less than the State screening level at all sites except M6, where four of eight samples equaled or exceeded the screening level. Twenty of 48 samples from Mustang Bayou had E. coli densities that exceeded the State single-sample water-quality standard. Median chloride concentrations from each site were between 42.2 and 123 milligrams per liter. Fifteen pesticide compounds (six herbicides and nine insecticides) were detected in 24 water samples. The most frequently detected pesticide was atrazine, which was found in every sample. Other frequently detected pesticides were 2-chloro-4-isopropylamino-6-amino-s-triazine (CIAT), prometon, tebuthiuron, fipronil, and the pesticide degradates, fipronil sulfide and fipronil sulfone. Sediment samples were collected from

  18. Biodiversity Prospecting.

    ERIC Educational Resources Information Center

    Sittenfeld, Ana; Lovejoy, Annie

    1994-01-01

    Examines the use of biodiversity prospecting as a method for tropical countries to value biodiversity and contribute to conservation upkeep costs. Discusses the first agreement between a public interest organization and pharmaceutical company for the extraction of plant and animal materials in Costa Rica. (LZ)

  19. Prospective Optimization

    PubMed Central

    Sejnowski, Terrence J.; Poizner, Howard; Lynch, Gary; Gepshtein, Sergei; Greenspan, Ralph J.

    2014-01-01

    Human performance approaches that of an ideal observer and optimal actor in some perceptual and motor tasks. These optimal abilities depend on the capacity of the cerebral cortex to store an immense amount of information and to flexibly make rapid decisions. However, behavior only approaches these limits after a long period of learning while the cerebral cortex interacts with the basal ganglia, an ancient part of the vertebrate brain that is responsible for learning sequences of actions directed toward achieving goals. Progress has been made in understanding the algorithms used by the brain during reinforcement learning, which is an online approximation of dynamic programming. Humans also make plans that depend on past experience by simulating different scenarios, which is called prospective optimization. The same brain structures in the cortex and basal ganglia that are active online during optimal behavior are also active offline during prospective optimization. The emergence of general principles and algorithms for goal-directed behavior has consequences for the development of autonomous devices in engineering applications. PMID:25328167

  20. Prospective Optimization.

    PubMed

    Sejnowski, Terrence J; Poizner, Howard; Lynch, Gary; Gepshtein, Sergei; Greenspan, Ralph J

    2014-05-01

    Human performance approaches that of an ideal observer and optimal actor in some perceptual and motor tasks. These optimal abilities depend on the capacity of the cerebral cortex to store an immense amount of information and to flexibly make rapid decisions. However, behavior only approaches these limits after a long period of learning while the cerebral cortex interacts with the basal ganglia, an ancient part of the vertebrate brain that is responsible for learning sequences of actions directed toward achieving goals. Progress has been made in understanding the algorithms used by the brain during reinforcement learning, which is an online approximation of dynamic programming. Humans also make plans that depend on past experience by simulating different scenarios, which is called prospective optimization. The same brain structures in the cortex and basal ganglia that are active online during optimal behavior are also active offline during prospective optimization. The emergence of general principles and algorithms for goal-directed behavior has consequences for the development of autonomous devices in engineering applications.

  1. Tulane/Xavier Center for Bioenvironmental Research; project: hazardous materials in aquatic environments; subproject: biomarkers and risk assessment in Bayou Trepagnier, LA

    SciTech Connect

    Ide, C.

    1996-12-31

    Tulane and Xavier Universities have singled out the environment as a major strategic focus for research and training for now and beyond the year 2000. the Tulane/Xavier Center for Bioenvironmental Research (CBR) was established in 1989 as the umbrella organization to coordinate environmental research at both universities. CBR projects funded by the DOE under the Hazardous Materials in Aquatic Environments grant are defining the following: (1) the complex interactions that occur during the transport of contaminants through wetlands environments, (2) the actual and potential impact of contaminants on ecological systems and health, (3) the mechanisms and new technologies through which these impacts might be remediated, and (4) new programs aimed at educating and training environmental workers of the future. The subproject described in this report, `Biomarkers and Risk Assessment in Bayou Trepagnier, LN`, is particularly relevant to the US Department of Energy`s Environmental Restoration and Waste Management program aimed at solving problems related to hazard monitoring and clean-up prioritization at sites with aquatic pollution problems in the DOE complex.

  2. Prospect redux

    NASA Technical Reports Server (NTRS)

    Jacquemoud, S.; Ustin, S. L.; Verdebout, J.; Schmuck, G.; Andreoli, G.; Hosgood, B.

    1995-01-01

    The remote estimation of leaf biochemical content from spaceborne platforms has been the subject of many studies aimed at better understanding of terrestrial ecosystem functioning. The major ecological processes involved in exchange of matter and energy, like photosynthesis, primary production, evaportranspiration, respiration, and decomposition can be related to plant properties e.g., chlorophyll, water, protein, cellulose and lignin contents. As leaves represent the most important plant surfaces interacting with solar energy, a top priority has been to relate optical properties to biochemical constituents. Two different approaches have been considered: first, statistical correlations between the leaf reflectance (or transmittance) and biochemical content, and second, physically based models of leaf scattering and absorption developed using the laws of optics. Recently reviewed by Verdebout et al., the development of models of leaf optical properties has resulted in better understanding of the interaction of light with plant leaves. Present radiative transfer models mainly use chlorophyll and/or water contents as input parameters to calculate leaf reflectance. Inversion of these models allows to retrieve these constituents from spectrophotometric measurements. Conel et al. recently proposed a two-stream Kubelka-Munk model to analyze the influence of protein, cellulose, lignin, and starch on leaf reflectance, but in fact, the estimation of leaf biochemistry from remote sensing is still an open question. In order to clarify it, a laboratory experiment associating visible/infrared spectra of plan leaves both with physical measurements and biochemical analyses was conducted at the Joint Research Center during the summer of 1993. This unique data set has been used to upgrade the PROSPECT model, by including leaf biochemistry.

  3. Sled-Mounted Geophone Arrays for Near-Surface (0-4m) Seismic Profiling in Highly-attenuating Sedimentary Facies: Atchafalaya Basin Indian Bayou, Louisiana

    NASA Astrophysics Data System (ADS)

    Lorenzo, J. M.; Saanumi, A. A.; Westbrook, C. C.; Egnew, S. F.; Bentley, S. J.

    2004-12-01

    Towed land-geophone seismic arrays have the potential to increase markedly the efficiency for collecting near-surface (0-100m) high-resolution seismic data, but viable cases are few and have been limited to a narrow range of near-surface sedimentary facies. During November 2003 through June 2004 we conducted extensive seismic tests with traditional geophones mounted on low-cost Π -shaped sleds. We targeted human habitation surfaces within the upper few meters of a crevasse splay complex in the Atchafalaya Basin study area, Indian Bayou Wildlife Management Area, Louisiana, U.S. For seismic-to-core correlation, sealed, continuous test cores were run through a multi-sensor to test for magnetic susceptibility, bulk sediment density and electrical resistivity. We compared 24-channel seismic data using a variety of seismic source-receiver combinations. Sources comprised a 12-gauge pipe-gun, a 0.22 caliber-powered piston gun, an accelerated weight drop, and a small claw hammer. Commercial blanks, 2g-black-powder, and primer-only shells were fired by the pipe gun. Receivers included 100-Hz vertical-, and 14-Hz-horizontal-component geophones. For comparison, both ground-planted and geophones mounted on wooden and iron sleds 0.3 and 1.2m long respectively. Geophones mounted on steel sleds produced data of adequate quality. Whereas traditional ground-planted geophones showed better data quality, time and cost efficiency make mounted phones more feasible for regional studies as traditional arrays are prohibitively expensive. Because of the high seismic attenuation, only horizontal-component geophones mounted on heavy (9-kg) steel sleds provided useful data, although the shallowest reflection observed in the shear wave data came from a boundary at ~ 19m depth, too far below the target depth of 4-5 m. Instead, we forward-modeled refraction traveltime data to derive the acoustic and SH velocity structure.

  4. Influence of Changing Hydrology on Pedogenic Calcite Precipitation in Vertisols, Dance Bayou, Brazoria County, Tx: Implications for Estimating Paleoatmospheric PCO2

    NASA Astrophysics Data System (ADS)

    Mintz, J. S.; Driese, S. G.; Ludvigson, G. A.; Breecker, D. O.

    2010-12-01

    Pedogenic (soil formed) calcites preserved in the sedimentary record enable estimation of paleoatmospheric pCO2 using the calcite paleobarometer. A fundamental assumption for applying this paleobarometer is that the calcite precipitated while the soil was in communication with the atmosphere so that atmospheric CO2 concentrations had a direct influence on the calcite δ13C value. Here we address the timing of calcite precipitation in relation to the soil saturation state and atmosphere connectivity in a modern Vertisol (smectitic, clay-rich soil, seasonally saturated) in Brazoria County, Texas. Luminescent phases of calcite growth have more negative δ13C values (avg. δ13C = -11.1 ‰ PDB) than the non-luminescent phases (avg. δ13C = -2.8 ‰ PDB). The luminescent phase formed during the water-saturated portion of the year limiting the soil connectivity with the atmosphere, minimizing the incorporation of atmospheric CO2 and negating its use for pCO2 estimations. The non-luminescent phase formed during the well-drained portion of the year when atmospheric CO2 mixed with soil-respired CO2 and is therefore useful for pCO2 estimation. From these results we present a model to independently test the saturation state of a paleosol at the time of pedogenic carbonate precipitation. Finally we calculate soil respiration rates that are an order of magnitude lower than those that are typically assumed in the paleobarometer equation. Many of the pCO2 estimates through the Phanerozoic are based on carbonate in paleo-Vertisols and may therefore be overestimated or potentially invalid. A) Comparisons of typical morphotype isotope values with interpreted soil conditions at the time of calcite precipitation. B) Model of carbonate precipitation of non-luminescent calcite nodules (dark circles) in the well-drained portion of the season (top) and luminescent calcite nodules (light circles) in the saturated portion of the season (bottom), in a Vertisol at Dance Bayou, Brazoria Co

  5. Psychophysiology of prospective memory.

    PubMed

    Rothen, Nicolas; Meier, Beat

    2014-01-01

    Prospective memory involves the self-initiated retrieval of an intention upon an appropriate retrieval cue. Cue identification can be considered as an orienting reaction and may thus trigger a psychophysiological response. Here we present two experiments in which skin conductance responses (SCRs) elicited by prospective memory cues were compared to SCRs elicited by aversive stimuli to test whether a single prospective memory cue triggers a similar SCR as an aversive stimulus. In Experiment 2 we also assessed whether cue specificity had a differential influence on prospective memory performance and on SCRs. We found that detecting a single prospective memory cue is as likely to elicit a SCR as an aversive stimulus. Missed prospective memory cues also elicited SCRs. On a behavioural level, specific intentions led to better prospective memory performance. However, on a psychophysiological level specificity had no influence. More generally, the results indicate reliable SCRs for prospective memory cues and point to psychophysiological measures as valuable approach, which offers a new way to study one-off prospective memory tasks. Moreover, the findings are consistent with a theory that posits multiple prospective memory retrieval stages.

  6. Prospects from Korean Reunification

    DTIC Science & Technology

    2008-04-01

    South Korea , China, the United States and, to a lesser extent, Japan and Russia will be examined to determine prospects from Korean reunification...the “tilt” of a unified Korea , and with it, the future Northeast Asian strategic environment. 1 PROSPECTS FROM KOREAN REUNIFCATION Throughout most of...the 20th century, the Korean people have yearned for the establishment of an independent and unified Korea . Before World War II, this was denied to

  7. Screening of three proposed DOE geopressured-geothermal aquifer natural gas project areas for potential conflicting commercial production: Freshwater Bayou, Lake Theriot, and Kaplan, Louisiana

    SciTech Connect

    Knutson, C.F.; Rogers, L.A.

    1982-02-01

    Three proposed DOE geopressured geothermal prospects defined by the Louisiana State University resource assessment group were screened for possible conflict with existing gas production. The analysis used the public records available at the Louisiana Department of Conservation offices in Baton Rouge and structural and statigraphic interpretations made by the L.S.U. resource assessment group. (MHR)

  8. The PROSPECT physics program

    SciTech Connect

    Ashenfelter, J.; Balantekin, A. B.; Band, H. R.; Barclay, G.; Bass, C. D.; Berish, D.; Bignell, L.; Bowden, N. S.; Bowes, A.; Brodsky, J. P.; Bryan, C. D.; Cherwinka, J. J.; Chu, R.; Classen, T.; Commeford, K.; Conant, A. J.; Davee, D.; Dean, D.; Deichert, G.; Diwan, M. V.; Dolinski, M. J.; Dolph, J.; DuVernois, M.; Erickson, A. S.; Febbraro, M. T.; Gaison, J. K.; Galindo-Uribarri, A.; Gilje, K.; Glenn, A.; Goddard, B. W.; Green, M.; Hackett, B. T.; Han, K.; Hans, S.; Heeger, K. M.; Heffron, B.; Insler, J.; Jaffe, D. E.; Jones, D.; Langford, T. J.; Littlejohn, B. R.; Caicedo, D. A. Martinez; Matta, J. T.; McKeown, R. D.; Mendenhall, M. P.; Mueller, P. E.; Mumm, H. P.; Napolitano, J.; Neilson, R.; Nikkel, J. A.; Norcini, D.; Pushin, D.; Qian, X.; Romero, E.; Rosero, R.; Seilhan, B. S.; Sharma, R.; Sheets, S.; Surukuchi, P. T.; Trinh, C.; Varner, R. L.; Viren, B.; Wang, W.; White, B.; White, C.; Wilhelmi, J.; Williams, C.; Wise, T.; Yao, H.; Yeh, M.; Yen, Y-R; Zangakis, G. Z.; Zhang, C.; Zhang, X.

    2016-10-17

    The precision reactor oscillation and spectrum experiment, PROSPECT, is designed to make a precise measurement of the antineutrino spectrum from a highly-enriched uranium reactor and probe eV-scale sterile neutrinos by searching for neutrino oscillations over a distance of several meters. The subject of this paper, PROSPECT, is conceived as a 2-phase experiment utilizing segmented 6Li-doped liquid scintillator detectors for both efficient detection of reactor antineutrinos through the inverse beta decay reaction and excellent background discrimination. PROSPECT Phase I consists of a movable 3 ton antineutrino detector at distances of 7–12 m from the reactor core. It will probe the best-fit point of the νe disappearance experiments at 4σ in 1 year and the favored region of the sterile neutrino parameter space at > 3σ in 3 years. With a second antineutrino detector at 15–19 m from the reactor, Phase II of PROSPECT can probe the entire allowed parameter space below 10 eV2 at 5σ in 3 additional years. Finally, the measurement of the reactor antineutrino spectrum and the search for short-baseline oscillations with PROSPECT will test the origin of the spectral deviations observed in recent θ13 experiments, search for sterile neutrinos, and conclusively address the hypothesis of sterile neutrinos as an explanation of the reactor anomaly.

  9. The PROSPECT physics program

    DOE PAGES

    Ashenfelter, J.; Balantekin, A. B.; Band, H. R.; ...

    2016-10-17

    The precision reactor oscillation and spectrum experiment, PROSPECT, is designed to make a precise measurement of the antineutrino spectrum from a highly-enriched uranium reactor and probe eV-scale sterile neutrinos by searching for neutrino oscillations over a distance of several meters. The subject of this paper, PROSPECT, is conceived as a 2-phase experiment utilizing segmented 6Li-doped liquid scintillator detectors for both efficient detection of reactor antineutrinos through the inverse beta decay reaction and excellent background discrimination. PROSPECT Phase I consists of a movable 3 ton antineutrino detector at distances of 7–12 m from the reactor core. It will probe the best-fitmore » point of the νe disappearance experiments at 4σ in 1 year and the favored region of the sterile neutrino parameter space at > 3σ in 3 years. With a second antineutrino detector at 15–19 m from the reactor, Phase II of PROSPECT can probe the entire allowed parameter space below 10 eV2 at 5σ in 3 additional years. Finally, the measurement of the reactor antineutrino spectrum and the search for short-baseline oscillations with PROSPECT will test the origin of the spectral deviations observed in recent θ13 experiments, search for sterile neutrinos, and conclusively address the hypothesis of sterile neutrinos as an explanation of the reactor anomaly.« less

  10. The PROSPECT physics program

    NASA Astrophysics Data System (ADS)

    Ashenfelter, J.; Balantekin, A. B.; Band, H. R.; Barclay, G.; Bass, C. D.; Berish, D.; Bignell, L.; Bowden, N. S.; Bowes, A.; Brodsky, J. P.; Bryan, C. D.; Cherwinka, J. J.; Chu, R.; Classen, T.; Commeford, K.; Conant, A. J.; Davee, D.; Dean, D.; Deichert, G.; Diwan, M. V.; Dolinski, M. J.; Dolph, J.; DuVernois, M.; Erikson, A. S.; Febbraro, M. T.; Gaison, J. K.; Galindo-Uribarri, A.; Gilje, K.; Glenn, A.; Goddard, B. W.; Green, M.; Hackett, B. T.; Han, K.; Hans, S.; Heeger, K. M.; Heffron, B.; Insler, J.; Jaffe, D. E.; Jones, D.; Langford, T. J.; Littlejohn, B. R.; Martinez Caicedo, D. A.; Matta, J. T.; McKeown, R. D.; Mendenhall, M. P.; Mueller, P. E.; Mumm, H. P.; Napolitano, J.; Neilson, R.; Nikkel, J. A.; Norcini, D.; Pushin, D.; Qian, X.; Romero, E.; Rosero, R.; Seilhan, B. S.; Sharma, R.; Sheets, S.; Surukuchi, P. T.; Trinh, C.; Varner, R. L.; Viren, B.; Wang, W.; White, B.; White, C.; Wilhelmi, J.; Williams, C.; Wise, T.; Yao, H.; Yeh, M.; Yen, Y.-R.; Zangakis, G. Z.; Zhang, C.; Zhang, X.; PROSPECT Collaboration

    2016-11-01

    The precision reactor oscillation and spectrum experiment, PROSPECT, is designed to make a precise measurement of the antineutrino spectrum from a highly-enriched uranium reactor and probe eV-scale sterile neutrinos by searching for neutrino oscillations over a distance of several meters. PROSPECT is conceived as a 2-phase experiment utilizing segmented 6Li-doped liquid scintillator detectors for both efficient detection of reactor antineutrinos through the inverse beta decay reaction and excellent background discrimination. PROSPECT Phase I consists of a movable 3 ton antineutrino detector at distances of 7-12 m from the reactor core. It will probe the best-fit point of the {ν }e disappearance experiments at 4σ in 1 year and the favored region of the sterile neutrino parameter space at \\gt 3σ in 3 years. With a second antineutrino detector at 15-19 m from the reactor, Phase II of PROSPECT can probe the entire allowed parameter space below 10 eV2 at 5σ in 3 additional years. The measurement of the reactor antineutrino spectrum and the search for short-baseline oscillations with PROSPECT will test the origin of the spectral deviations observed in recent {θ }13 experiments, search for sterile neutrinos, and conclusively address the hypothesis of sterile neutrinos as an explanation of the reactor anomaly.

  11. PROSPECT: Optical Calibration System

    NASA Astrophysics Data System (ADS)

    Trinh, Ken; Prospect Collaboration

    2016-09-01

    The Precision Reactor Oscillation and SPECTrum Experiment (PROSPECT), is a short baseline, reactor neutrino experiment which focuses on measurements of the flux and energy spectrum of antineutrinos emitted from the High Flux Isotope Reactor (HFIR) at Oak Ridge National Laboratory. Using these measurements, PROSPECT will probe for eV-scale sterile neutrinos while making a high precision measurement of the U-235 antineutrino spectrum. PROSPECT contains two phases; the first phase consists of a mobile detector near the reactor core while the second phase adds a larger fixed detector further from the core. The PROSPECT Phase 1 detector consists of a 2ton optically segmented liquid scintillator with each segment read-out by two photomultiplier tubes (PMTs). The PMTs are calibrated with a photon source generated by a nanosecond pulsed laser. In this project, we developed a plan to determine the effectiveness of a 450nm fiber-pigtailed diode laser as it coupled with several modules including an optical fiber splitter, an optical diffuser, and an attenuator. The project tested for the system ability to deliver light uniformly to each of the cells in the detector. We will present the design and result of this project as well as discuss how it will be implemented in PROSPECT.

  12. Prospective memory: A comparative perspective

    PubMed Central

    Crystal, Jonathon D.; Wilson, A. George

    2014-01-01

    Prospective memory consists of forming a representation of a future action, temporarily storing that representation in memory, and retrieving it at a future time point. Here we review the recent development of animal models of prospective memory. We review experiments using rats that focus on the development of time-based and event-based prospective memory. Next, we review a number of prospective-memory approaches that have been used with a variety of non-human primates. Finally, we review selected approaches from the human literature on prospective memory to identify targets for development of animal models of prospective memory. PMID:25101562

  13. Interior prospect and refuge.

    PubMed

    Stamps, Arthur E

    2006-12-01

    Prospect and refuge theory has usually been applied to landscapes but recent work suggests that it could also be applied to interiors. This article reports two experiments, covering 14 environments and 97 respondents, in which five hypotheses regarding prospect, refuge, and comfort were tested: H1: the transition from small, dark, and low to large, light, and high and vice-versa; H2: the transition from dark to light vs vice-versa; H3: the transition from low to high vs vice-versa; H4: the transition from small to big horizontally vs vice-versa; and H5: width. Results varied. The effect of width on comfort was substantial (r = .35); effects for the other hypotheses were either subtle or contrary to expectations.

  14. Prospecting for lunar resources

    NASA Astrophysics Data System (ADS)

    Taylor, G.; Martel, L.

    Large space settlements on the Moon (thousands of people) will require use of indigenous resources to build and maintain the infrastructure and generate products for export. Prospecting for these resources is a crucial step in human migration to space and needs to begin before settlement and the establishment of industrial complexes. We are devising a multi-faceted approach to prospect for resources. A central part of this work is developing the methodology for prospecting the Moon and other planetary bodies. This involves a number of investigations: (1) It is essential to analyze the economics of planetary ore deposits. Ore deposits are planetary materials that we can mine, process, and deliver to customers at a profit. The planetary context tosses in some interesting twists to this definition. (2) We are also making a comprehensive theoretical assessment of potential lunar ore deposits. Our understanding of the compositions, geological histories, and geological processes on the Moon will lead to significant differences in how we assess wh a t types of ores could be present. For example, the bone-dry nature of the Moon (except at the poles) eliminates all ore deposits associated with hydrothermal fluids. (3) We intend to search for resources using existing data for the Moon. Thus, prospecting can begin immediately. We have a wealth of remote sensing data for the Moon. We also have a good sampling of the Moon by the Apollo and Luna missions, and from lunar meteorites. We can target specific types of deposits already identified (e.g. lunar pyroclastic deposits) and look for other geological settings that might have produced ores and other materials of economic value. Another approach we will take is to examine all data available to look for anomalies. Examples are unusual spectral properties, large disagreements between independent techniques that measure the same property, unusual elemental ratios, or simply exceptional properties such as elemental abundances much

  15. Applied Astronomy: Asteroid Prospecting

    NASA Astrophysics Data System (ADS)

    Elvis, M.

    2013-09-01

    In the age of asteroid mining the ability to find promising ore-bearing bodies will be valuable. This will give rise to a new discipline- "Applied Astronomy". Just as most geologists work in industry, not in academia, the same will be true of astronomers. Just how rare or common ore-rich asteroids are likely to be, and the skills needed to assay their value, are discussed here, with an emphasis on remote - telescopic - methods. Also considered are the resources needed to conduct extensive surveys of asteroids for prospecting purposes, and the cost and timescale involved. The longer-term need for applied astronomers is also covered.

  16. Suggestions for prospecting

    USGS Publications Warehouse

    ,

    1989-01-01

    Prospectors have contributed much to the development of this Nation's mineral resources. Since the time of the earliest settlement, the need for iron for tools and guns, lead for bullets, and copper for utensils has prompted a search for sources of these metals. The lure of gold and silver provided the impetus for much of the development in the West between 1850 and 1910. Later, prospectors carried out successful ventures to fulfill the country's expanding industrial demands for other metals such as zinc, molybdenum, tungsten, chromium, vanadium, and many others. Even America's uninhabited rugged mountains or barren deserts have been prospected although perhaps only at a reconnaissance scale.

  17. Methane Clathrate Hydrate Prospecting

    NASA Technical Reports Server (NTRS)

    Duxbury, N.; Romanovsky, V.

    2003-01-01

    A method of prospecting for methane has been devised. The impetus for this method lies in the abundance of CH4 and the growing shortages of other fuels. The method is intended especially to enable identification of subpermafrost locations where significant amounts of methane are trapped in the form of methane gas hydrate (CH4(raised dot)6H2O). It has been estimated by the U.S. Geological Survey that the total CH4 resource in CH4(raised dot) 6H2O exceeds the energy content of all other fossil fuels (oil, coal, and natural gas from non-hydrate sources). Also, CH4(raised dot)6H2O is among the cleanest-burning fuels, and CH4 is the most efficient fuel because the carbon in CH4 is in its most reduced state. The method involves looking for a proxy for methane gas hydrate, by means of the combination of a thermal-analysis submethod and a field submethod that does not involve drilling. The absence of drilling makes this method easier and less expensive, in comparison with prior methods of prospecting for oil and natural gas. The proposed method would include thermoprospecting in combination with one more of the other non-drilling measurement techniques, which could include magneto-telluric sounding and/or a subsurface-electrical-resistivity technique. The method would exploit the fact that the electrical conductivity in the underlying thawed region is greater than that in the overlying permafrost.

  18. Prospecting with neutrinos

    NASA Astrophysics Data System (ADS)

    Bell, Peter M.

    One of the latest attempts to explore the interface between physics and geophysics is the extravagant scheme of Alvaro De Rújula, Sheldon Glashow, Robert Wilson, and Georges Charpak, to be published in Physics Reports. In what these theoretical and experimental physicists described recently as “our mad project” (Physics Today, August 1983), a high-energy neutrino beam is to be used as a geophysical prospecting tool.The beam would be able to look for oil, natural gas, and high-atomic-number metal ores, and it would be able to profile the vertical density distribution of the earth. De Rújula et al. come to this project from the world of big physics machines, so it is natural to expect that the “Geotron,” the field instrument to supply and focus the neutrino beam, is to be big also.

  19. Prospects at high energies

    SciTech Connect

    Quigg, C.

    1988-11-01

    I discuss some possibilities for neutrino experiments in the fixed-target environment of the SPS, Tevatron, and UNK, with their primary proton beams of 0.4, 0.9, and 3.0 TeV. The emphasis is on unfinished business: issues that have been recognized for some time, but not yet resolved. Then I turn to prospects for proton-proton colliders to explore the 1-TeV scale. I review the motivation for new physics in the neighborhood of 1 TeV and mention some discovery possibilities for high-energy, high-luminosity hadron colliders and the implications they would have for neutrino physics. I raise the possibility of the direct study of neutrino interactions in hadron colliders. I close with a report on the status of the SSC project. 38 refs., 17 figs.

  20. The Prospects Study and Desegregation.

    ERIC Educational Resources Information Center

    Puma, Michael J.

    1997-01-01

    Argues that greater caution is required when drawing conclusions from statistical results than the Armor study has done, and describes the "Prospects" study (begun in 1989), the largest longitudinal study of educational outcomes conducted in the United States. "Prospects" provides much data useful in evaluating the school…

  1. Prospect Theory and Coercive Bargaining

    ERIC Educational Resources Information Center

    Butler, Christopher K.

    2007-01-01

    Despite many applications of prospect theory's concepts to explain political and strategic phenomena, formal analyses of strategic problems using prospect theory are rare. Using Fearon's model of bargaining, Tversky and Kahneman's value function, and an existing probability weighting function, I construct a model that demonstrates the differences…

  2. The Prospects Study and Desegregation.

    ERIC Educational Resources Information Center

    Puma, Michael J.

    1997-01-01

    Argues that greater caution is required when drawing conclusions from statistical results than the Armor study has done, and describes the "Prospects" study (begun in 1989), the largest longitudinal study of educational outcomes conducted in the United States. "Prospects" provides much data useful in evaluating the school…

  3. Prospect Theory and Coercive Bargaining

    ERIC Educational Resources Information Center

    Butler, Christopher K.

    2007-01-01

    Despite many applications of prospect theory's concepts to explain political and strategic phenomena, formal analyses of strategic problems using prospect theory are rare. Using Fearon's model of bargaining, Tversky and Kahneman's value function, and an existing probability weighting function, I construct a model that demonstrates the differences…

  4. Prospects of photoacoustic tomography

    PubMed Central

    Wang, Lihong V.

    2008-01-01

    Commercially available high-resolution three-dimensional optical imaging modalities—including confocal microscopy, two-photon microscopy, and optical coherence tomography—have fundamentally impacted biomedicine. Unfortunately, such tools cannot penetrate biological tissue deeper than the optical transport mean free path (∼1 mm in the skin). Photoacoustic tomography, which combines strong optical contrast and high ultrasonic resolution in a single modality, has broken through this fundamental depth limitation and achieved superdepth high-resolution optical imaging. In parallel, radio frequency-or microwave-induced thermoacoustic tomography is being actively developed to combine radio frequency or microwave contrast with ultrasonic resolution. In this Vision 20∕20 article, the prospects of photoacoustic tomography are envisaged in the following aspects: (1) photoacoustic microscopy of optical absorption emerging as a mainstream technology, (2) melanoma detection using photoacoustic microscopy, (3) photoacoustic endoscopy, (4) simultaneous functional and molecular photoacoustic tomography, (5) photoacoustic tomography of gene expression, (6) Doppler photoacoustic tomography for flow measurement, (7) photoacoustic tomography of metabolic rate of oxygen, (8) photoacoustic mapping of sentinel lymph nodes, (9) multiscale photoacoustic imaging in vivo with common signal origins, (10) simultaneous photoacoustic and thermoacoustic tomography of the breast, (11) photoacoustic and thermoacoustic tomography of the brain, and (12) low-background thermoacoustic molecular imaging. PMID:19175133

  5. German energy technology prospects.

    PubMed

    Popp, M

    1982-12-24

    After more than 25 years of development of nuclear power and almost 10 years of research and development in numerous areas of nonnuclear energy, there is now a good basis for judging the future prospects of energy technologies in the Federal Republic of Germany. The development of nuclear power has provided an important and economically advantageous new source of energy. Further efforts are needed to establish the nuclear fuel cycle in all stages and to exploit the potential of advanced reactors. In all other areas of energy technology, including energy conservation, new energy sources, and coal, economics has turned out to be the key problem, even at today's energy prices. Opportunities to overcome these economic problems through additional R & D are limited. There is some potential for special applications, and there are many technologies that could contribute to the energy supply of developing countries. In general, however, progress in energy conservation and the use of renewable energy sources will depend on the degree to which energy policy measures can improve their economic basis. For some technologies, such as solar thermal power stations and coal liquefaction, large-scale economic deployment cannot be foreseen today. Instead of establishing costly demonstration projects, emphasis will be put on improving key components of these technologies with the aim of having the most advanced technology available when the economic parameters are more favorable.

  6. IPY Progress and Prospects

    NASA Astrophysics Data System (ADS)

    Carlson, D.

    2008-12-01

    We can summarize the IPY goals as: (a) make major advances in polar knowledge and understanding; (b) leave a legacy of new or enhanced observational systems, facilities and infrastructure; (c) excite a new generation of polar scientists and engineers, and (d) elicit exceptional interest and participation from polar residents, schoolchildren, the general public, and decision-makers, worldwide. This talk reports on the progress and prospects in each of those areas from an overall international view; separate talks will describe details of future researcher and the IPY outreach efforts. To achieve major advances in knowledge, IPY has entrained the intellectual resources of thousands of scientists, many more than expected, often from 'non- polar' nations, and representing an unprecedented breadth of scientific specialties; integration of those efforts across disciplines to achieve integrated system-level understanding remains a substantial challenge. Many national and international organizations prepare plans to sustain new and improved observational systems, but clear outcomes and the necessary resources remain elusive. International outreach networks gradually build breadth and strength, largely through IPY Polar Science Days and other internationally- coordinated IPY events. A new Association of Polar Early Career Scientists (APECS) devotes talent and energy to shaping the future of polar research. These activities and networks may, with time and with continued international coordination, achieve an exceptional level of interest and participation. In all areas, much work remains.

  7. Prospective FORSCOM Energy Intensities

    SciTech Connect

    Brown, Daryl R.; Dirks, James A.; Wells, Joyce

    2003-01-01

    The U.S. Army's Forces Command (FORSCOM) has seen its energy intensity (MBtu/ksf building floor space) drop from 118.8 in 1985 to 95.9 in 2000. Executive Order 13123 requires that energy intensity be reduced by 35% relative to 1985 by 2010. Thus, FORSCOM must further reduce its energy intensity to 77.2 by the end of this decade. The objective of this study was to estimate the potential impact on FORSCOM?s energy intensity in 2010 from key planned or prospective changes to the installation energy-related infrastructure. This includes changes from the natural turnover of certain energy-related equipment, ongoing or currently planned programs, and retrofit with cost-effective energy efficiency measures. The study results indicate that the combination of currently planned infrastructure changes coupled with cost-effective energy efficiency measures would allow FORSCOM to meet its energy goals. This paper describes these infrastructure changes, documents the analytical approach, and presents the results from the study.

  8. ATLAS Detector Upgrade Prospects

    NASA Astrophysics Data System (ADS)

    Dobre, M.; ATLAS Collaboration

    2017-01-01

    After the successful operation at the centre-of-mass energies of 7 and 8 TeV in 2010-2012, the LHC was ramped up and successfully took data at the centre-of-mass energies of 13 TeV in 2015 and 2016. Meanwhile, plans are actively advancing for a series of upgrades of the accelerator, culminating roughly ten years from now in the high-luminosity LHC (HL-LHC) project, which will deliver of the order of five times the LHC nominal instantaneous luminosity along with luminosity levelling. The ultimate goal is to extend the dataset from about few hundred fb ‑1 expected for LHC running by the end of 2018 to 3000 fb ‑1 by around 2035 for ATLAS and CMS. The challenge of coping with the HL-LHC instantaneous and integrated luminosity, along with the associated radiation levels, requires further major changes to the ATLAS detector. The designs are developing rapidly for a new all-silicon tracker, significant upgrades of the calorimeter and muon systems, as well as improved triggers and data acquisition. ATLAS is also examining potential benefits of extensions to larger pseudorapidity, particularly in tracking and muon systems. This report summarizes various improvements to the ATLAS detector required to cope with the anticipated evolution of the LHC luminosity during this decade and the next. A brief overview is also given on physics prospects with a pp centre-of-mass energy of 14 TeV.

  9. ANAIS: Status and prospects

    NASA Astrophysics Data System (ADS)

    Amaré, J.; Cebrián, S.; Cuesta, C.; García, E.; Ginestra, C.; Martínez, M.; Oliván, M. A.; Ortigoza, Y.; Ortiz de Solórzano, A.; Pobes, C.; Puimedón, J.; Sarsa, M. L.; Villar, J. A.; Villar, P.

    2016-04-01

    ANAIS (Annual modulation with NAI Scintillators) experiment aims to look for dark matter annual modulation with 250 kg of ultra-pure NaI(Tl) scintillators at the Canfranc Underground Laboratory (LSC), in order to confirm the DAMA/LIBRA positive signal in a model-independent way. The detector will consists in an array of close-packed single modules, each of them coupled to two high efficiency Hamamatsu photomultipliers. Two 12.5 kg each NaI(Tl) crystals provided by Alpha Spectra are currently taking data at the LSC. These modules have shown an outstanding light collection efficiency (12-16 phe/keV), about the double of that from DAMA/LIBRA phase 1 detectors, which could enable reducing the energy threshold down to 1 keVee. ANAIS crystal radiopurity goals are fulfilled for 232Th and 238U chains, assuming equilibrium, and in the case of 40K, present crystals activity (although not at the required 20 ppb level) could be acceptable. However, a 210Pb contamination out-of-equilibrium has been identified and its origin traced back, so we expect it will be avoided in next prototypes. Finally, current status and prospects of the experiment considering several exposure and background scenarios are presented.

  10. ANAIS: Status and prospects

    NASA Astrophysics Data System (ADS)

    Amaré, J.; Cebrián, S.; Cuesta, C.; García, E.; Ginestra, C.; Martínez, M.; Oliván, M. A.; Ortigoza, Y.; Ortiz de Solórzano, A.; Pobes, C.; Puimedón, J.; Sarsa, M. L.; Villar, J. A.; Villar, P.

    2016-07-01

    ANAIS experiment will look for dark matter annual modulation with large mass of ultra-pure NaI(Tl) scintillators at the Canfranc Underground Laboratory (LSC), aiming to confirm the DAMA/LIBRA positive signal in a model-independent way. Two 12.5 kg each NaI(Tl) crystals provided by Alpha Spectra are currently taking data at the LSC. Present status of ANAIS detectors background and general performance is summarized; in particular, thanks to the high light collection efficiency prospects of lowering the threshold down to 1 keVee are reachable. Crystal radiopurity goals are fulfilled for 232Th and 238U chains and 40K activity, although higher than original goal, could be accepted; however, high 210Pb contamination out-of-equilibrium has been identified. More radiopure detectors are being built by Alpha Spectra. The ongoing high quantum efficiency PMT tests and muon veto characterization are also presented. Finally, the sensitivity of the experiment for the annual modulation in the WIMP signal, assuming the already achieved threshold and background in ANAIS-25 is shown. Further improvement should be achieved by reducing both threshold and background, as expected.

  11. Prospective issues for error detection.

    PubMed

    Blavier, Adélaïde; Rouy, Emmanuelle; Nyssen, Anne-Sophie; de Keyser, Véronique

    2005-06-10

    From the literature on error detection, the authors select several concepts relating error detection mechanisms and prospective memory features. They emphasize the central role of intention in the classification of the errors into slips/lapses/mistakes, in the error handling process and in the usual distinction between action-based and outcome-based detection. Intention is again a core concept in their investigation of prospective memory theory, where they point out the contribution of intention retrievals, intention persistence and output monitoring in the individual's possibilities for detecting their errors. The involvement of the frontal lobes in prospective memory and in error detection is also analysed. From the chronology of a prospective memory task, the authors finally suggest a model for error detection also accounting for neural mechanisms highlighted by studies on error-related brain activity.

  12. Resolution in Electromagnetic Prospecting

    NASA Astrophysics Data System (ADS)

    Aldridge, D. F.; Bartel, L. C.; Knox, H. A.; Schramm, K. A.

    2014-12-01

    Low-frequency electromagnetic (EM) signals are commonly used in geophysical exploration of the shallow subsurface. Sensitivity to conductivity implies they are particularly useful for inferring fluid content of porous media. However, low-frequency EM wavefields are diffusive, and have significantly larger wavelengths compared to seismic signals of equal frequency. The wavelength of a 30 Hz sinusoid propagating with seismic velocity 3000 m/s is 100 m, whereas an analogous EM signal diffusing through a conductive body of 0.1 S/m (clayey shale) has wavelength 1825 m. The larger wavelength has implications for resolution of the EM prospecting method. We are investigating resolving power of the EM method via theoretical and numerical experiments. Normal incidence plane wave reflection/transmission by a thin geologic bed is amenable to analytic solution. Responses are calculated for beds that are conductive or resistive relative to the host rock. Preliminary results indicate the classic seismic resolution/detection limit of bed thickness ~1/8 wavelength is not achieved. EM responses for point or line current sources recorded by general acquisition geometries are calculated with a 3D finite-difference algorithm. These exhibit greater variability which may allow inference of bed thickness. We also examine composite responses of two point scatterers with separation when illuminated by an incident EM field. This is analogous to the Rayleigh resolution problem of estimating angular separation between two light sources. The First Born Approximation implies that perturbations in permittivity, permeability, and conductivity have different scattering patterns, which may be indicators of EM medium properties. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the US Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000.

  13. Prospecting from Orbit

    NASA Image and Video Library

    2017-09-04

    The combination of morphological and topographic information from stereo images from NASA's Mars Reconnaissance Orbiter, as well as compositional data from near-infrared spectroscopy has been proven to be a powerful tool for understanding the geology of Mars. Beginning with the OMEGA instrument on the European Space Agency's Mars Express orbiter in 2003, the surface of Mars has been examined at near-infrared wavelengths by imaging spectrometers that are capable of detecting specific minerals and mapping their spatial extent. The CRISM (Compact Reconnaissance Imaging Spectrometer for Mars) instrument on our orbiter is a visible/near-infrared imaging spectrometer, and the HiRISE camera works together with it to document the appearance of mineral deposits detected by this orbital prospecting. Mawrth Vallis is one of the regions on Mars that has attracted much attention because of the nature and diversity of the minerals identified by these spectrometers. It is a large, ancient outflow channel on the margin of the Southern highlands and Northern lowlands. Both the OMEGA and CRISM instruments have detected clay minerals here that must have been deposited in a water-rich environment, probably more than 4 billion years ago. For this reason, Mawrth Vallis is one of the two candidate landing sites for the future Mars Express Rover Mission planned by the European Space Agency. This image was targeted on a location where the CRISM instrument detected a specific mineral called alunite, KAl3(SO4)2(OH)6. Alunite is a hydrated aluminum potassium sulfate, a mineral that is notable because it must have been deposited in a wet acidic environment, rich in sulfuric acid. Our image shows that the deposit is bright and colorful, and extensively fractured. The width of the cutout is 1.2 kilometers. https://photojournal.jpl.nasa.gov/catalog/PIA21936

  14. Bacterial Exopolysaccharides: Functionality and Prospects

    PubMed Central

    Nwodo, Uchechukwu U.; Green, Ezekiel; Okoh, Anthony I.

    2012-01-01

    Diverse structural, functional and valuable polysaccharides are synthesized by bacteria of all taxa and secreted into the external environment. These polysaccharides are referred to as exopolysaccharides and they may either be homopolymeric or heteropolymeric in composition and of diverse high molecular weights (10 to 1000 kDa). The material properties of exopolysaccharides have revolutionized the industrial and medical sectors due to their retinue of functional applications and prospects. These applications have been extensive in areas such as pharmacological, nutraceutical, functional food, cosmeceutical, herbicides and insecticides among others, while prospects includes uses as anticoagulant, antithrombotic, immunomodulation, anticancer and as bioflocculants. Due to the extensive applications of bacterial exopolysaccharides, this overview provides basic information on their physiologic and morphologic functions as well as their applications and prospects in the medical and industrial sectors. PMID:23203046

  15. Buffalo Bayou National Heritage Area Act

    THOMAS, 111th Congress

    Sen. Hutchison, Kay Bailey [R-TX

    2010-04-27

    09/29/2010 Committee on Energy and Natural Resources Subcommittee on Public Lands and Forests. Hearings held. (All Actions) Tracker: This bill has the status IntroducedHere are the steps for Status of Legislation:

  16. Buffalo Bayou National Heritage Area Act

    THOMAS, 112th Congress

    Sen. Hutchison, Kay Bailey [R-TX

    2011-01-25

    05/11/2011 Committee on Energy and Natural Resources Subcommittee on National Parks. Hearings held. With printed Hearing: S.Hrg. 112-124. (All Actions) Tracker: This bill has the status IntroducedHere are the steps for Status of Legislation:

  17. Buffalo Bayou National Heritage Area Act

    THOMAS, 112th Congress

    Sen. Hutchison, Kay Bailey [R-TX

    2011-01-25

    05/11/2011 Committee on Energy and Natural Resources Subcommittee on National Parks. Hearings held. With printed Hearing: S.Hrg. 112-124. (All Actions) Tracker: This bill has the status IntroducedHere are the steps for Status of Legislation:

  18. Buffalo Bayou National Heritage Area Act

    THOMAS, 111th Congress

    Sen. Hutchison, Kay Bailey [R-TX

    2010-04-27

    09/29/2010 Committee on Energy and Natural Resources Subcommittee on Public Lands and Forests. Hearings held. (All Actions) Tracker: This bill has the status IntroducedHere are the steps for Status of Legislation:

  19. Buffalo Bayou National Heritage Area Act

    THOMAS, 111th Congress

    Sen. Hutchison, Kay Bailey [R-TX

    2010-04-27

    Senate - 09/29/2010 Committee on Energy and Natural Resources Subcommittee on Public Lands and Forests. Hearings held. (All Actions) Tracker: This bill has the status IntroducedHere are the steps for Status of Legislation:

  20. Buffalo Bayou National Heritage Area Act

    THOMAS, 112th Congress

    Sen. Hutchison, Kay Bailey [R-TX

    2011-01-25

    Senate - 05/11/2011 Committee on Energy and Natural Resources Subcommittee on National Parks. Hearings held. With printed Hearing: S.Hrg. 112-124. (All Actions) Tracker: This bill has the status IntroducedHere are the steps for Status of Legislation:

  1. 33 CFR 117.465 - Lafourche Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... if at least forty-eight hours notice is given. (g) The draws of the Burlington Northern Santa Fe railroad bridge, mile 69.0 at Lafourche, and all bridges upstream of the Burlington Northern Santa...

  2. 33 CFR 117.465 - Lafourche Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... if at least forty-eight hours notice is given. (g) The draws of the Burlington Northern Santa Fe railroad bridge, mile 69.0 at Lafourche, and all bridges upstream of the Burlington Northern Santa...

  3. 33 CFR 117.465 - Lafourche Bayou.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... if at least forty-eight hours notice is given. (g) The draws of the Burlington Northern Santa Fe railroad bridge, mile 69.0 at Lafourche, and all bridges upstream of the Burlington Northern Santa...

  4. 33 CFR 117.465 - Lafourche Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... Burlington Northern Santa Fe railroad bridge, mile 69.0 at Lafourche, and all bridges upstream of the Burlington Northern Santa Fe railroad bridge need not be opened for the passage of vessels. Editorial...

  5. 33 CFR 117.957 - Cedar Bayou.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 81.4 feet above mean high water, the flashing red lights stopped, and the navigation lights changed... vertical clearance of 81.4 feet above mean high water. Fixed green navigation lights shall be displayed in... from green to red, alternating flashing red lights turned on, and a horn sounded for six minutes....

  6. 33 CFR 117.957 - Cedar Bayou.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 81.4 feet above mean high water, the flashing red lights stopped, and the navigation lights changed... vertical clearance of 81.4 feet above mean high water. Fixed green navigation lights shall be displayed in... from green to red, alternating flashing red lights turned on, and a horn sounded for six minutes....

  7. 33 CFR 117.957 - Cedar Bayou.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 81.4 feet above mean high water, the flashing red lights stopped, and the navigation lights changed... vertical clearance of 81.4 feet above mean high water. Fixed green navigation lights shall be displayed in... from green to red, alternating flashing red lights turned on, and a horn sounded for six minutes....

  8. 33 CFR 117.957 - Cedar Bayou.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 81.4 feet above mean high water, the flashing red lights stopped, and the navigation lights changed... vertical clearance of 81.4 feet above mean high water. Fixed green navigation lights shall be displayed in... from green to red, alternating flashing red lights turned on, and a horn sounded for six minutes....

  9. Bayou Vista: A Market-Driven Development

    ERIC Educational Resources Information Center

    Izzo, G. Martin; Teal, Elisabeth J.

    2012-01-01

    The case touches on several areas of marketing: ethics, sales issues, conflicts of interest, marketing forecasts, and issues of pricing. Joe Brice, the visionary and real estate broker for a 36-lot subdivision of moderately priced single-family homes targeting the $190,000 to $260,000 range, seems to have identified an unmet housing market,…

  10. Bayou Vista: A Market-Driven Development

    ERIC Educational Resources Information Center

    Izzo, G. Martin; Teal, Elisabeth J.

    2012-01-01

    The case touches on several areas of marketing: ethics, sales issues, conflicts of interest, marketing forecasts, and issues of pricing. Joe Brice, the visionary and real estate broker for a 36-lot subdivision of moderately priced single-family homes targeting the $190,000 to $260,000 range, seems to have identified an unmet housing market,…

  11. Autism Research: Prospects and Priorities.

    ERIC Educational Resources Information Center

    Rutter, Michael

    1996-01-01

    Research prospects and priorities in autism are discussed with respect to: (1) diagnosis, classification, and epidemiology; (2) clinical research; (3) neuropsychological research; (4) genetics; (5) structural and functional brain imaging; (6) postmortem studies; (7) other biological research; and (8) treatment research. Application of research…

  12. Electron Polarimetry: Status and Prospects

    SciTech Connect

    Eugene Chudakov

    2005-04-01

    Polarized electron beams are used widely for DIS, parity violation, and other experiments. I discuss the methods and instrumentation used to measure the electron beam polarization, as well as the prospects for the future facilities. A number of recent achievements and projects are discussed.

  13. Classroom Videos and Prospective Teachers

    ERIC Educational Resources Information Center

    Chval, Kathryn B.; Lannin, John K.; Arbaugh, Fran; Bowzer, Angela D.

    2009-01-01

    Prospective teachers enter methods courses and classroom field experiences with robust mental pictures and strongly held beliefs about teaching elementary school mathematics, which impact their professional growth. Teachers filter information about new ways of teaching (from methods courses and field experiences) through their previous knowledge…

  14. Prospective Teachers' Images of Management.

    ERIC Educational Resources Information Center

    Morine-Dershimer, Greta; Reeve, Peggy Tarpley

    1994-01-01

    Prospective teachers' images of lesson management were examined in relation to pupil engagement in lessons taught. In more engaging lessons, teachers' images of management emphasized pupil contributions to lesson progress; in less engaging lessons, teachers' images of management emphasized teacher control of lesson progress combined with teacher…

  15. Job Prospects for Aerospace Engineers.

    ERIC Educational Resources Information Center

    Basta, Nicholas

    1987-01-01

    Discusses the recent trends in job opportunities for aerospace engineers. Mentions some of the political, technological, and economic factors affecting the overall employment picture. Includes a description of the job prospects created by the general upswing of the large commercial aircraft market. (TW)

  16. Job Prospects for Metallurgical Engineering.

    ERIC Educational Resources Information Center

    Basta, Nicholas

    1985-01-01

    Job prospects in mining, metal-extraction, steel, and refining industries are depressed, but technological discoveries are opening up new fields for metallurgical engineers. Enrollment/employment opportunities and salaries in these areas are discussed a well as the roles of foreign competition, plastics applications, and ceramics research and…

  17. Job Prospects for Electrical Engineers.

    ERIC Educational Resources Information Center

    Basta, Nicholas

    1986-01-01

    Discusses the career outlook for electrical/electronics engineers. Explains that the number of bachelor degree graduates continues to rise, along with average starting salaries. Reveals that although the availability of jobs in the computer industry is leveling off, prospects in the robotics and telecommunication fields are growing. (TW)

  18. Prospects: Student Outcomes. Final Report.

    ERIC Educational Resources Information Center

    Puma, Michael J.; Karweit, Nancy; Price, Cristofer; Ricciuti, Anne; Thompson, William; Vaden-Kiernan, Michael

    This report is one of a series presenting findings from "Prospects: The Congressionally Mandated Study of Educational Growth and Opportunity." This study, conducted in response to the 1988 Hawkins-Stafford Amendments, was a major effort to examine the effects of Chapter 1 on student achievement and other school-related educational…

  19. Job Prospects for Marine Engineers.

    ERIC Educational Resources Information Center

    Basta, Nicholas

    1986-01-01

    Marine engineering is one of the smaller disciplines that have grown during recent decades. Job prospects in this field, salaries, types of employers (particularly Navy shipbuilding and infrastructure work), and marine/ocean engineers involvement with environmental issues are discussed. (JN)

  20. Job Prospects for Electrical Engineers.

    ERIC Educational Resources Information Center

    Basta, Nicholas

    1986-01-01

    Discusses the career outlook for electrical/electronics engineers. Explains that the number of bachelor degree graduates continues to rise, along with average starting salaries. Reveals that although the availability of jobs in the computer industry is leveling off, prospects in the robotics and telecommunication fields are growing. (TW)

  1. Scientific knowledge and modern prospecting

    USGS Publications Warehouse

    Neuerburg, G.J.

    1985-01-01

    Modern prospecting is the systematic search for specified and generally ill-exposed components of the Earth's crust known as ore. This prospecting depends entirely on reliable, or scientific knowledge for guidance and for recognition of the search objects. Improvement in prospecting results from additions and refinements to scientific knowledge. Scientific knowledge is an ordered distillation of observations too numerous and too complex in themselves for easy understanding and for effective management. The ordering of these observations is accomplished by an evolutionary hierarchy of abstractions. These abstractions employ simplified descriptions consisting of characterization by selected properties, sampling to represent much larger parts of a phenomenon, generalized mappings of patterns of geometrical and numerical relations among properties, and explanation (theory) of these patterns as functional relations among the selected properties. Each abstraction is predicated on the mode of abstraction anticipated for the next higher level, so that research is a deductive process in which the highest level, theory, is indispensible for the growth and refinement of scientific knowledge, and therefore of prospecting methodology. ?? 1985 Springer-Verlag.

  2. PROFESSIONAL INSECURITIES OF PROSPECTIVE TEACHERS.

    ERIC Educational Resources Information Center

    LUECK, WILLIAM R.

    TO DETERMINE WHICH COMMON TEACHING PROBLEMS CAUSE THE GREATEST CONCERN OR INSECURITY AMONG PROSPECTIVE TEACHERS, 445 JUNIORS (243 IN 1962-63 AND 205 IN 1963-64) TAKING A SECONDARY SCHOOL METHODS COURSE WERE ASKED TO RANK TWELVE MAJOR PROBLEMS IN THE ORDER IN WHICH THEY CAUSED CONCERN. THE PROBLEMS WERE COMPILED FROM THOSE OCCURRING FREQUENTLY IN…

  3. Remote sensors - Prospects and limitations

    NASA Technical Reports Server (NTRS)

    Lehmann, J.

    1973-01-01

    Review of the history, present status, and future prospects and limitations of remote sensing systems for satellite-based earth resources surveys. The objectives and special areas of interest of ongoing sensor development experiments are summarized, and the measurement and performance goals of current potential sensor research is discussed.

  4. Job Prospects for Civil Engineers.

    ERIC Educational Resources Information Center

    Basta, Nicholas

    1985-01-01

    Government programs and renewed industrial activity have combined with stable enrollments to create bright job prospects for civil engineers. Areas with good opportunities include highway reconstruction and rehabilitation, water-resource management, and new factory construction. The subspecialty of structural engineering has a growing need in…

  5. New prospects for ointment photophoresis

    NASA Astrophysics Data System (ADS)

    Gerasimenko, Marina U.; Varavva, Andrey S.; Fevraleva, A. Y.; Filatova, E. V.; Barybin, Vitaliy F.; Zdanov, Evgeniy V.; Skovorod'ko, Sergey N.

    2004-02-01

    This paper is devoted to new prospects for ointment photophoresis. The clinical applications of ointment photophoresis are presented. Obtained results of clinical investigations are discussed. The goal of our study has been to corroborate some physical and pharmacological principles for photophoresis of selected ointments.

  6. Prospects for the upgraded Tevatron

    SciTech Connect

    Flaugher, B.

    1995-07-01

    Plans and prospects for the next Fermilab collider running period, Run II (beginning in 1999), are described. The upgrades to the accelerator are discussed in the context of expected achievable instantaneous and integrated luminosity. Upgrades to the two collider detectors, CDF and D0, along with physics potential for Run II are also described. Options for Fermilab beyond Run II are mentioned.

  7. UV and Optical Detectors: Status and Prospects

    NASA Technical Reports Server (NTRS)

    Woodgate, Bruce; Oegerle, William (Technical Monitor)

    2002-01-01

    UV and visible detectors - status and prospects. The status and prospects for UV and visible detectors for space astrophysics missions will be described, based on the findings of the NASA working group roadmap report, hopefully updated.

  8. UV and Optical Detectors: Status and Prospects

    NASA Technical Reports Server (NTRS)

    Woodgate, Bruce; Oegerle, William (Technical Monitor)

    2002-01-01

    UV and visible detectors - status and prospects. The status and prospects for UV and visible detectors for space astrophysics missions will be described, based on the findings of the NASA working group roadmap report, hopefully updated.

  9. Questions for Your Prospective Massage Therapist

    MedlinePlus

    ... Your Prospective Massage Therapist Questions for Your Prospective Massage Therapist Searching for a massage therapist? Get the ... questions. Are you a member of the American Massage Therapy Association (AMTA)? AMTA members commit to the ...

  10. Examining Prospective Teachers' Understanding of Proportional Reasoning

    ERIC Educational Resources Information Center

    Kitchen, Richard; DePree, Julie

    2004-01-01

    In this article, the authors describe their efforts to assess prospective K-8 teachers' knowledge of proportional reasoning. Based upon their analysis of prospective K-8 teachers' work on a mathematics performance task, they discuss the implications for preparing prospective teachers to teach proportional reasoning to their students. In general,…

  11. Prospective Memory Training in Older Adults.

    ERIC Educational Resources Information Center

    Schmidt, Iris W.; Berg, Ina J.; Deelman, Betto G.

    2001-01-01

    Twenty adults received training in prospective memory; 23 who received training in reducing worries about forgetfulness and 22 controls formed a comparison group. Results of a telephone task and a prospective categorization task revealed significant but small effects for the prospective memory group. After 3 months, the comparison group's…

  12. 36 CFR 228.60 - Prospecting permits.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... conferred. On acquired National Forest lands, prospecting permits may be issued which grant the permittee... negotiated sale. (b) Limitations. Mineral material may be removed from lands under a prospecting permit only... prospecting permit may not cover more than 640 acres. No individual or group may have an interest at any one...

  13. Prospective errors determine motor learning

    PubMed Central

    Takiyama, Ken; Hirashima, Masaya; Nozaki, Daichi

    2015-01-01

    Diverse features of motor learning have been reported by numerous studies, but no single theoretical framework concurrently accounts for these features. Here, we propose a model for motor learning to explain these features in a unified way by extending a motor primitive framework. The model assumes that the recruitment pattern of motor primitives is determined by the predicted movement error of an upcoming movement (prospective error). To validate this idea, we perform a behavioural experiment to examine the model’s novel prediction: after experiencing an environment in which the movement error is more easily predictable, subsequent motor learning should become faster. The experimental results support our prediction, suggesting that the prospective error might be encoded in the motor primitives. Furthermore, we demonstrate that this model has a strong explanatory power to reproduce a wide variety of motor-learning-related phenomena that have been separately explained by different computational models. PMID:25635628

  14. Productivity management within prospective payment.

    PubMed

    Cruden, J E; Millstine, J

    1985-01-01

    Productivity measurement and management is introduced as a means of maximizing profits under prospective payment. Methodologies are developed for productivity standards using the workload recording system and engineered time standards. These methodologies can be used to improve labor resource budgeting, scheduling, and internal labor reallocation; project the impact of new services, equipment, and facilities; and analyze revenue and expenses. Finally, a model for implementing a hospital productivity measurement system is described.

  15. Prospects for nuclear safety research

    SciTech Connect

    Beckjord, E.S.

    1995-04-01

    This document is the text of a paper presented by Eric S. Beckjord (Director, Nuclear Regulatory Research/NRC) at the 22nd Water Reactor Safety Meeting in Bethesda, MD in October 1994. The following topics are briefly reviewed: (1) Reactor vessel research, (2) Probabilistic risk assessment, (3) Direct containment heating, (4) Advanced LWR research, (5) Nuclear energy prospects in the US, and (6) Future nuclear safety research. Subtopics within the last category include economics, waste disposal, and health and safety.

  16. Prospectively gated cardiac computed tomography.

    PubMed

    Moore, S C; Judy, P F; Garnic, J D; Kambic, G X; Bonk, F; Cochran, G; Margosian, P; McCroskey, W; Foote, F

    1983-01-01

    A fourth-generation scanner has been modified to perform prospectively gated cardiac computed tomography (CT). A computer program monitors the electrocardiogram (ECG) and predicts when to initiate the next scan in a gated series in order to acquire all projection data for a desired phase of the heart cycle. The system has been tested with dogs and has produced cross-sectional images of all phases of the cardiac cycle. Eight to ten scans per series were sufficient to obtain reproducible images of each transverse section in the end-diastolic and end-systolic phases. The radiation dose to the skin was approximately 1.4 cGy per scan. The prospectively gated system is more than twice as efficient as a retrospectively gated system in obtaining complete angular projection data for a 10% heart cycle window. A temporal smoothing technique to suppress reconstruction artifacts due to sorting inconsistent projection data was developed and evaluated. Image noise was reduced by averaging together any overlapping projection data. Prospectively gated cardiac CT has also been used to demonstrate that the error in attenuation measured with a single nongated CT scan through the heart can be as large as 50-60 CT numbers outside the heart in the lung field.

  17. Prospective memory across the lifespan: investigating the contribution of retrospective and prospective processes.

    PubMed

    Mattli, Florentina; Schnitzspahn, Katharina M; Studerus-Germann, Aline; Brehmer, Yvonne; Zöllig, Jacqueline

    2014-01-01

    Prospective memory performance follows an inverted U-shaped function across the lifespan. Findings on the relative contribution of purely prospective memory and retrospective memory processes within prospective memory to this trajectory are scarce and inconclusive. We analyzed age-related differences in prospective memory performance across the lifespan in a cross-sectional design including six age groups (N = 99, 7-83 years) and investigated possible mechanisms by experimentally disentangling the relative contributions of retrospective memory and purely prospective memory processes. Results confirmed the inverted U-shaped function of prospective memory performance across the lifespan. A significant interaction between process type and age group was observed indicating differential relative contributions of retrospective memory and purely prospective memory processes on the development of prospective memory performance. Our results showed that mainly the pure prospective memory processes within prospective memory lead to lower prospective memory performance in young children and old adults. Moreover, the relative contributions of the retrospective memory and purely prospective memory processes are not uniform at both ends of the lifespan, i.e., in later adulthood the purely prospective memory processes seem to determine performance to an even greater extent than in childhood. Nevertheless, age effects were also observed in the retrospective component which thus contributed to the prospective memory performance differences between the age groups.

  18. Lattice QCD: Status and Prospect

    SciTech Connect

    Ukawa, Akira

    2006-02-08

    A brief review is given of the current status and near-future prospect of lattice QCD studies of the Standard Model. After summarizing a bit of history, we describe current attempts toward inclusion of dynamical up, down and strange quarks. Recent results on the light hadron mass spectrum as well as those on the heavy quark quantities are described. Recent work on lattice pentaquark search is summarized. We touch upon the PACS-CS Project for building our next machine for lattice QCD, and conclude with a summary of computer situation and the physics possibilities over the next several years.

  19. Prospects of thermionic power systems

    NASA Technical Reports Server (NTRS)

    Shimada, K.

    1978-01-01

    Potential thermionic power systems for space or terrestrial applications are described so that the development goals can be clearly identified. The thermionic power systems considered are a space nuclear power system, a fossil-fuel thermionic topping steam power system, a solar thermionic topping steam power system, and advanced systems. Attention is given to a discussion of the current status of technology development in thermionic converters and associated elements in power systems. Future prospects of thermionic power systems are also discussed. It is concluded that thermionic conversion has a great potential for a variety of applications.

  20. HTS Wire: status and prospects

    NASA Astrophysics Data System (ADS)

    Malozemoff, A. P.; Verebelyi, D. T.; Fleshler, S.; Aized, D.; Yu, D.

    2003-04-01

    Practical, robust high temperature superconducting (HTS) wire is a composite of high temperature superconductor and metal. The composite provides many advantages, including improved mechanical properties and stability. Multi-filamentary composite fabricated with the BSCCO HTS material has achieved performance for commercial applications, and commercial price/performance is on the near horizon. This wire enables HTS applications such as power cables, marine propulsion motors, utility generators and magnets for materials processing. Coated conductor is also a composite, combining the YBCO HTS material with a metal or metal-alloy substrate; this technology is in the stage of research and development. The status and commercial prospects of these wire technologies are reviewed.

  1. Nanocarbon Technologies: Prospects and Risks

    NASA Astrophysics Data System (ADS)

    Kozyrev, S.; Yakutseni, P.

    In this paper we review the current state and prospects of carbon nano-technologies as a new emerging point for atomic-molecular manipulation, design and discovery connected with fullerenes, carbon nanotubes and biology. The merging nanoscale interface between carbon and biology structures are shortly discussed in terms of fundamental insights and possible applications encompassing nanobionics as lessons from animate nature, artificial modifications of living systems as well as multicomponent molecular structures for biology, physics, chemistry, engineering, and medicine. Protein-based as well as carbohydrates-, lipids-, or DNA-based molecular assemblies loaded with nanocarbon are addressed in the context of the engineering systems design. Several examples from our collaborative work are used to demonstrate connections between points of nano and bio and to show how such an interdisciplinary approach has led us to new ideas and applications. Nanocarbons have little similarity with the well-known biologically active substances. There is no oxygen, nitrogen, phosphorous-containing or other typical moieties, such as common pharmacophoric anchors or groups. In the same time fullerenes demonstrated a wide spectrum of biological activity. Mechanisms of their biological action are still unknown. For this reason our work was focused on the computer-based molecular modeling of the action of nanocarbon structures on the well-known biological structures: proteins, DNA, carbohydrates, and lipid molecules. Possible biological hazards, fundamental questions and prospects associated with nano-carbon technologies are highlighted.

  2. Fluoride Glass Fiber Sources: Problems and Prospects

    DTIC Science & Technology

    2010-09-01

    Fluoride glass fiber sources: Problems and prospects Marcel Poulain and Gwenael Mazé Rennes University and Le V erre Fluoré Report Documentation Page...A 3. DATES COVERED - 4. TITLE AND SUBTITLE Fluoride glass fiber sources:Problems and prospects 5a. CONTRACT NUMBER 5b. GRANT NUMBER 5c...Introduction 2 Fluoride glass technology 3 Specifications of active fibers 4 Achievements 5 Problems and prospects 6 Conclusion INTRODUCTION The

  3. Model for reworked deltaic sands - Example from South Lake Arthur, Bayou Gentily, and Bayou Lery Fields

    SciTech Connect

    Saxena, R.S. )

    1990-09-01

    Reworked deltaic sands are beach-barrier sand bodies that are produced by the reworking of abandoned deltaic lobes. The facies association of these sand bodies makes them ideal reservoirs, and although abundant hydrocarbons are trapped in this type of sandstone, their genesis is seldom understood in the petroleum world. Criteria and models are developed for the recognition of reworked deltaic sand bodies from the subsurface by comparing a Holocene analog from the eastern periphery of the modern Mississippi delta with an ancient example from the Carboniferous of the northern Appalachian plateau. A simulated seismic model and several subsurface examples are presented.

  4. Prospects For Quantum Integrated Circuits

    NASA Astrophysics Data System (ADS)

    Bate, R. T.; Frazier, G. A.; Frensley, W. R.; Lee, J. W.; Reed, M. A.

    1987-08-01

    Recent progress in research on resonant tunneling diodes, and on lateral quantization effects in quantum wells renews hope for the development of active unipolar heterojunction devices which incorporate no depletion layers, and hence can be extremely compact in both vertical and lateral dimensions. If such devices meeting the fundamental requirements for ultrahigh density integrated circuits can be developed, and if revolutionary chip architectures which overcome current interconnection limitations can be devised, then a new generation of integrated circuits approaching the ultimate limits of functional density and functional throughput may eventually ensue. Although many of the most challenging problems in this scenario have not yet been addressed, progress is being made in the areas of fabrication and characterization of resonant tunneling devices, simulation of such devices using quantum transport theory, and simulation of nearest-neighbor connected (two-dimensional cellular automaton) architectures. This paper reviews the progress in these areas at Texas Instruments, and discusses the prospects for the future.

  5. Radiation detectors: needs and prospects

    SciTech Connect

    Armantrout, G.A.

    1981-01-01

    Important applications for x- and ..gamma..-ray spectroscopy are found in prospecting, materials characterization, environmental monitoring, the life sciences, and nuclear physics. The specific requirements vary for each application with varying degrees of emphasis on either spectrometer resolution, detection efficiency, or both. Since no one spectrometer is ideally suited to this wide range of needs, compromises are usually required. Gas and scintillation spectrometers have reached a level of maturity, and recent interest has concentrated on semiconductor spectrometers. Germanium detectors are showing continuing refinement and are the spectrometers of choice for high resolution applications. The new high-Z semiconductors, such as CdTe and HgI/sub 2/, have shown steady improvement but are limited in both resolution and size and will likely be used only in applications which require their unique properties.

  6. Prospecting Rovers for Lunar Exploration

    NASA Technical Reports Server (NTRS)

    Graham, Jerry B.; Vaughn, Jason A.; Farmer, Jeffery T.

    2007-01-01

    A study of lunar rover options for exploring the permanently shadowed regions of the lunar environment is presented. The potential for nearly continuous solar illumination coupled with the potential for water ice, focus exploration planner's attention on the polar regions of the moon. These regions feature craters that scientists have reason to believe may contain water ice. Water ice can be easily converted to fuel cell reactants, breathing oxygen, potable water, and rocket propellant. For these reasons, the NASA Robotic Lunar Exploration Program (RLEP) sponsored a study of potential prospecting rover concepts as one part of the RLEP-2 Pre-Phase A. Numerous vehicle configurations and power, thermal, and communication options are investigated. Rover options in the 400kg to 530kg class are developed which are capable of either confirming the presence of water ice at the poles, or conclusively demonstrating its absence.

  7. Rosamond Prospect, Kern county, California

    USGS Publications Warehouse

    Walker, George W.

    1953-01-01

    Small quantities of autunite and gummite (?) occur in tuffaceous sedimentary rocks of the Rosamond formation of Miocene age at the Rosamond prospect. The property is about 10 miles south of Mojave, Jern County, California, in the western Mojave Desert. Examination of the propert in January 1952, by George W. Walker and Luther H. Baumgardner of the U.S. Geological Survey, indicates the the autunite occurs principally as coating on fracture and joint surfaces and, to a less extent, as disseminations in the tuffaceous rocks adjacent to faults. A waxy, reddish-brown, radioactive mineral, here called gummite (?), is found in small quantities on slickensided fault surfaces associated with iron oxides and chlorite (?). The uranium minerals are erratically distributed over an area of about 15 acres. Assay of 12 samples indicate a uranium content ranging from 0.002 to 0.59 percent and an average content of slightly less than 0.08 percent uranium.

  8. Arm transplantation: prospects and visions.

    PubMed

    Jones, N F; Schneeberger, S

    2009-03-01

    Based on the results of above-elbow replantation, it is possible that above-elbow arm transplantation will be successful and result in a superior functional outcome as defined by the Chen criteria. Above-elbow arm transplantation is probably technically simpler than distal forearm or wrist transplantation, especially since the macroanastomoses do not require microsurgical expertise. However, hand function depends on reinnervation of forearm muscles and the distance for nerves to regenerate for reinnervation of intrinsic muscles of the hand is significant. The vascularized bone marrow transplanted with the arm holds potential to induce chimerism and promote tolerance but could also make the recipient more susceptible to graft-versus-host disease. Prospective trials comparing the functional results after above-elbow arm transplantation with the functional results achieved by the best neuronal-controlled above-elbow prosthesis are warranted and will determine the gold standard of upper-extremity reconstruction.

  9. Hadron therapy: history, status, prospects

    NASA Astrophysics Data System (ADS)

    Klenov, G. I.; Khoroshkov, V. S.

    2016-08-01

    A brief historical review is given of external radiation therapy (RT), one of the main cancer treatment methods along with surgery and chemotherapy. Cellular mechanisms of radiation damage are described. Special attention is paid to hadron (proton and ion) therapy, its history, results, problems, challenges, current trends, and prospects. Undeniably great contributions to proton therapy have been made by Russian researchers, notably at the experimental centers that have operated since the mid-20th century at the Joint Institute for Nuclear Research, the A I Alikhanov Institute for Theoretical and Experimental Physics (ITEP), and the B P Konstantinov Petersburg Institute of Nuclear Physics. A quarter of the global clinical experience was accumulated by 1990 at the world's largest ITEP-hosted multicabin proton therapy center.

  10. Prospecting Rovers for Lunar Exploration

    NASA Technical Reports Server (NTRS)

    Graham, Jerry B.; Vaughn, Jason A.; Farmer, Jeffery T.

    2007-01-01

    A study of lunar rover options for exploring the permanently shadowed regions of the lunar environment is presented. The potential for nearly continuous solar illumination coupled with the potential for water ice, focus exploration planner's attention on the polar regions of the moon. These regions feature craters that scientists have reason to believe may contain water ice. Water ice can be easily converted to fuel cell reactants, breathing oxygen, potable water, and rocket propellant. For these reasons, the NASA Robotic Lunar Exploration Program (RLEP) sponsored a study of potential prospecting rover concepts as one part of the RLEP-2 Pre-Phase A. Numerous vehicle configurations and power, thermal, and communication options are investigated. Rover options in the 400kg to 530kg class are developed which are capable of either confirming the presence of water ice at the poles, or conclusively demonstrating its absence.

  11. GPR prospection in ancient Ephesos

    NASA Astrophysics Data System (ADS)

    Hruska, Jiri; Fuchs, Gerald

    1999-03-01

    Urban area of ancient Ephesos (present Turkey) is too large to be fully excavated, so geophysical prospection and mapping can help with the investigation. Georadar is one of the most effective tools for it. Two different tasks solved by georadar are presented. The first problem was the interconnection between the city and the temple of Artemis. By historical records, it was made by two sacred procession roads, which had character of Graeco-Roman stoa, i.e., a roofed road. Only small parts of these roads were discovered in ruins or excavated. Some hundreds of metres from total length of a few kilometres became known, but the questions above were not solved. Then, the area was prospected by georadar. Series of GPR lines were scanned gradually from the last known points and evaluated right on the spot. As a result, a plan of georadar indications could be drawn. These indications created two lines tracing unknown parts of both roads joining together and then continuing till the entry of the temple. The results were confirmed by two boreholes. The second task was mapping of Hellenistic level of Tetragonos agora. At present, it is under the Roman level, and is visible only in some excavation pits. About a half the square was covered by detailed georadar survey. Numerous anomalies indicated presence of underground objects. Compared with the results of excavations, they were interpreted as ancient remains in several levels. Then plans of these indications were compiled for separated levels. Hellenistic buildings remains were mapped, forming an older agora, smaller and slightly different by its shape from the Roman building plan. Besides it, uncovered parts of Roman ruins were detected, as well as some remains of Classic and Archaic settlement levels. Some traces of even older human presence were found under them. Georadar results will serve as a guideline for future excavations.

  12. Prospective Evaluation of Ventriculostomy Infections

    PubMed Central

    Worley, Emmagene; Astle, Sonia

    2015-01-01

    Introduction: Hospital-acquired infections associated with external drainage of ventricular cerebrospinal fluid (CSF) are a significant source of concern for the patients and the provider team alike. Traditional rates of ventriculostomy infection range from 10-17% in a time-dependent fashion. Changing physician and nursing practices fueled this concern over infections.  Objective: We sought to prospectively identify the risk factors associated with ventriculostomy infections as part of a quality assurance project.  Methods: One hundred consecutive patients were evaluated and data were collected on 91. The primary indications for ventriculostomy were subarachnoid hemorrhage (46%), intracerebral hemorrhage (24%), and trauma (22%). Variables prospectively evaluated included pre-incision antibiotics, sterile technique bundling, setting of placement (operating room versus intensive care unit), experience of operator (attending, resident, or physician assistant), catheter type (antibiotic impregnated or not), use of a post-insertion dressing, and in-dwell time of the catheter.  Results: There was only one infection in 91 patients (1.1%). This infection occurred in a patient without an antibiotic-impregnated catheter that was inserted by a resident physician. Compliance with pre-insertion antibiotics was very high, but most other variables had modest deviations in compliance. Conclusion: Infection rate related to external ventricular drainage is very low. Our data suggest that non-antibiotic impregnated catheters may be associated with infection, but that other variables thought to be critical may be of less value. PMID:26430586

  13. Prospective Teachers' Perspectives on Microteaching Lesson Study

    ERIC Educational Resources Information Center

    Fernandez, Maria L.; Robinson, Matthew

    2006-01-01

    Microteaching Lesson Study [MLS] is a cooperative learning experience that we felt could challenge our prospective teachers thinking about teaching and support their connection of theory and practice during an initial course on learning to teach mathematics. We studied seventy-four prospective teachers' perspectives on MLS over four sections of…

  14. Nucleon decay experiments: status and prospects

    SciTech Connect

    Ayres, D.S.; Beier, E.W.; D'Ettorre Piazzoli, B.; Ernwein, J.; Gaisser, T.K.; Seidel, S.; Sulak, L.R.

    1986-01-01

    We survey the current status and future prospects of experiments to search for nucleon decay. Results from current experiments are summarized, and the background rejection capabilities of various techniques are described. We discuss the prospects for improved sensitivity in the new experiments that are now coming into operation, and the opportunities for the next generation of detectors. 33 refs., 2 figs., 4 tabs.

  15. Prescriptions Guiding Prospective Teachers in Teaching Mathematics

    ERIC Educational Resources Information Center

    Zembat, Ismail Özgür; Aslan, Mustafa

    2016-01-01

    This study aims to investigate the nature of different mathematics teaching modes (prescriptions) that guide prospective teachers during their instruction. The participants were 24 junior prospective middle school mathematics teachers (19 females and 5 males) who were attending a mathematics methods course at a private university in central…

  16. Prospective Teachers' Personal Characteristics to Multicultural Education

    ERIC Educational Resources Information Center

    Eskici, Menekse

    2016-01-01

    The aim of this paper is to determine prospective teachers' personal characteristics to multicultural education. It is also aimed to reveal whether there are meaningful differences in prospective teachers' personal characteristics to multicultural education according to their genders, age and number of siblings. The descriptive model was chosen to…

  17. Prospect Follow Up Pays Dividends in Enrollment.

    ERIC Educational Resources Information Center

    Wassom, Julie

    1993-01-01

    Describes a follow-up program for enrolling day care center prospects. Follow-up within the center utilizes contact management software and a prospect profile system to record information about potential customers. External follow-up includes a telephone call to confirm an appointment to the center or to provide additional information to the…

  18. Prospective Teachers' Perspectives on Microteaching Lesson Study

    ERIC Educational Resources Information Center

    Fernandez, Maria L.; Robinson, Matthew

    2006-01-01

    Microteaching Lesson Study [MLS] is a cooperative learning experience that we felt could challenge our prospective teachers thinking about teaching and support their connection of theory and practice during an initial course on learning to teach mathematics. We studied seventy-four prospective teachers' perspectives on MLS over four sections of…

  19. Prospective Biology Teachers' Understanding of Genetics Concepts.

    ERIC Educational Resources Information Center

    Cakir, Mustafa; Crawford, Barbara

    The purpose of this study is to examine one possible source of misconceptions that are held by students of genetics--the teachers. Is there evidence to suggest that prospective biology teachers might have misconceptions about genetics and related concepts? If prospective biology teachers have misconceptions in genetics, how do these misconceptions…

  20. Prospect Follow Up Pays Dividends in Enrollment.

    ERIC Educational Resources Information Center

    Wassom, Julie

    1993-01-01

    Describes a follow-up program for enrolling day care center prospects. Follow-up within the center utilizes contact management software and a prospect profile system to record information about potential customers. External follow-up includes a telephone call to confirm an appointment to the center or to provide additional information to the…

  1. Change, Stability and Context: Prospective Teachers' Perceptions

    ERIC Educational Resources Information Center

    Sahin, Abdurrahman; Cokadar, Hulusi

    2009-01-01

    This study aims to explore and compare first-year and fourth-year prospective teachers' perceptions of good teaching, a good teacher, and a good student. A questionnaire with close- and open-ended questions was administered to 142 first-year and 138 fourth-year prospective teachers enrolled in the Faculty of Education at Pamukkale University.…

  2. Perceptions of Prospective Teachers about Tolerance Education

    ERIC Educational Resources Information Center

    Sahin, Cavus

    2011-01-01

    The purpose of this study is to ascertain the perceptions of prospective teachers about tolerance education. This research is a descriptive, qualitative study. A semi-structured and non-directive interview technique is used for collecting data. Research is carried out with 30 prospective teachers who attend Canakkale Onsekiz Mart University…

  3. 36 CFR 228.60 - Prospecting permits.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 36 Parks, Forests, and Public Property 2 2012-07-01 2012-07-01 false Prospecting permits. 228.60 Section 228.60 Parks, Forests, and Public Property FOREST SERVICE, DEPARTMENT OF AGRICULTURE MINERALS Disposal of Mineral Materials Types and Methods of Disposal § 228.60 Prospecting permits. (a)...

  4. Prospective Science Teachers' Conceptions about Astronomical Subjects

    ERIC Educational Resources Information Center

    Küçüközer, Hüseyin

    2007-01-01

    The main objective of this study was to identify prospective science teachers' conceptions on basic astronomical phenomena. A questionnaire consisting of nine open-ended questions was administered to 327 prospective science teachers. The questionnaire was constructed after extensive review of the literature and took into consideration the reported…

  5. Prospects for European labour demand.

    PubMed

    Lindley, R M

    1988-07-01

    The impact of economic and technological trends upon the level and structure of labor demand is examined, exploring the methods used to model the labor market and making special reference to demography and technology. Evidence on recent and prospective changes in labor demand is reviewed for France, Germany, Italy, the Netherlands, and the UK. The models used to explore future employment scenarios usually fail to incorporate the linkages required to fully analyze the various demographic-economic interactions. Further, this is not generally viewed as a limitation, given the time frame of most employment projections and their preoccupation with changes in the structure of labor demand. Medium-term multisectoral models tend to pay more attention to both demographic and technical change, but the treatment of both aspects is limited. The projections provide a framework for considering how both socioeconomic behavior and policy might change to achieve different outcomes. The greater a model's behavioral content, as expressed in its relationships between different variables, the greater the insight obtainable from simulation exercises. The 1st half of the 1970s was characterized by a reduction in German employment, representing the severest of European reactions to the oil crisis. The 2nd half of the decade recorded rapid growth in Italy and the Netherlands. The 1980s started with marked declines in Germany and the UK. Overall, the net gains of the 1970s were lost in the recession following the 2nd oil crisis. In none of the 5 countries studied does any realistic prospect emerge of achieving full employment before 2000. The most optimistic outcome is that unemployment will decline only slowly, it at all. The growth of both new forms and areas of employment will not compensate sufficiently for the loss of jobs elsewhere and the growth of labor supply. The industrial sector will continue to experience change in favor of the service sector but at a slower rate than during

  6. Squid Systems For Archaeomagnetic Prospection

    NASA Astrophysics Data System (ADS)

    Schultze, V.; Chwala, A.; Ijsselsteijn, R.; Stolz, R.; Schüler, T.; Meyer, H.-G.

    Two SQUID (Superconducting Quantum Interference Device) systems have been de- veloped for archaeomagnetic prospection. Both were tested on a Neolithic double ring ditch enclosure near Weimar, Germany, in comparison with conventional Cs vapour magnetometers. The first SQUID system uses "high-Tc" SQUIDs working with liquid nitrogen at a temperature of 77 K. Two separate magnetometers with a vertical distance of z = 0.5 m form an electronic gradiometer measuring the gradient dBz/dz of the verti- cal component of the magnetic field. Except for the measurement of the total vertical gradient dB/dz by the Cs gradiometer these two systems are set up in the same man- ner. Additionally, the resolutionof the magnetic field gradient is of the same order of magnitude 100fT/(cm · Hz). Consequently, both systems yield comparable mappings of the archaeological site. However, in contrast to the Cs gradiometer sys- tem, whose sampling frequency is limited to several Hz for the highest resolution, the SQUID system permits sampling frequencies as high as 1 kHz or more. This would allow the mapping of large objects in a passable measurement time. The second SQUID system uses "low-Tc" SQUIDs working with liquid helium at a temperature of 4.2K. Because of this rather exotic coolant in contrast to the "high- Tc" SQUID system its use is restricted to more exclusive cases. However, it yields much better performance than any other sensor system. The gradiometer is formed intrinsically by two loops of a gradiometric superconducting antenna whose distance z is only 4 cm. This intrinsic gradiometer measures the vertical gradient dBx/dz of the horizontal component of the magnetic field. Based on the ultimate sensitivity of "low-Tc" SQUIDs the resolution of the magnetic field gradient is of the order of only 1fT/(cm· Hz). The mapping of the archaeological site with this system exhibits extraordinary sharp pictures with a very clear resolution not available otherwise. By an excavation in the

  7. Soap production: A green prospective.

    PubMed

    Félix, Sandra; Araújo, Joana; Pires, Ana Maria; Sousa, Ana Cláudia

    2017-08-01

    A green prospective based on the reuse of waste materials such as almond shells, orange peel and used cooking oil to manufacture soap is presented. In Portugal, thousands of tons of waste are generated from used cooking oil and production of nut shells' residues is growing every year. In addition, the high consumption of citrus fruits, oranges in particular, generates large amounts of citrus peel. Therefore, it is necessary to diversify reuse mechanisms of these wastes, in order to make them back into raw materials. Complying with this trend, this work was carried out by processing and grinding almond shells, treating used oil, processing orange peels and extracting limonene, formulating and producing soap, and performing an acceptance study of the final product. Results validated a high potential of the idea in the field of environmental education, so it can be replicated in practical classes. It can also be useful for waste management, and it can support the development of community projects on an ecological approach. Copyright © 2017 Elsevier Ltd. All rights reserved.

  8. [Prospective study in 2 hospitals].

    PubMed

    Jiménez-Buñuales, M T; Martínez-Sáenz, M S; González-Diego, P; Vallejo-García, M; Gallardo-Anciano, J; Cestafe-Martínez, A

    2016-06-01

    The purpose of this study is to know the incidence rate of medication reconciliation at admission and discharge in patients of La Rioja and to improve the patient safety on medication reconciliation. An observational prospective study, part of the Joint Action PaSQ, Work Package 5, European Union Network for Patient Safety and Quality of Care. The study has taken into account the definitions of the Institute for Safe Medication Practices. Any unintended discrepancy in medication between chronic treatment and the treatment prescribed in the hospital was considered as a reconciliation error. A total of 750 patients were included, 9 (1.2%) of whom showed at least one discrepancy. The patients had a total of 3,156 mediations registered: 2,313 prescriptions (73.4%) showed no differences, while 821 prescriptions (26%) were intended discrepancies and 21 prescriptions (0.6%) unintended discrepancies were considered by the physician as reconciliation errors. A percentage of 1.2 of the patients, which represents 0.6% of the medicines (one in 166 medications registered) had reconciliation errors during their hospital stay. A proceeding has been implemented by means of the physician doing the medication reconciliation and reviewing it with the help of a medication reconciliation form. The medication reconciliation is a priority strategic objective to improve the safety of patients. Copyright © 2016 SECA. Published by Elsevier Espana. All rights reserved.

  9. Structural correlates of prospective memory.

    PubMed

    Gordon, Brian A; Shelton, Jill T; Bugg, Julie M; McDaniel, Mark A; Head, Denise

    2011-12-01

    Prospective memory (PM) includes the encoding and maintenance of an intention, and the retrieval and execution of this intention at the proper moment in the future. The present study expands upon previous behavioral, electrophysiological, and functional work by examining the association between grey matter volume and PM. Estimates of grey matter volume in theoretically relevant regions of interest (prefrontal, parietal, and medial temporal) were obtained in conjunction with performance on two PM tasks in a sample of 39 cognitively normal and very mildly demented older adults. The first PM task, termed focal in the literature, is supported by spontaneous retrieval of the PM intention whereas the second, termed non-focal, relies on strategic monitoring processes for successful intention retrieval. A positive relationship was observed between medial temporal volume and accuracy on the focal PM task. An examination of medial temporal lobe subregions revealed that this relationship was strongest for the hippocampus, which is considered to support spontaneous memory retrieval. There were no significant structure-behavior associations for the non-focal PM task. These novel results confirm a relationship between behavior and underlying brain structure proposed by the multiprocess theory of PM, and extend findings on cognitive correlates of medial temporal lobe integrity.

  10. Prospective evaluation of myopic keratomileusis.

    PubMed

    Swinger, C A; Barker, B A

    1984-07-01

    The initial results of a prospective evaluation of myopic keratomileusis are reported. The procedure was attempted on 42 eyes, with an average follow-up of 10 months. The average reductions of myopia were 7.05 D and 11.59 D when measured by keratometry and refraction, respectively. Regular astigmatism increased by 0.50 D on keratometry, but there was no change in the refractive cylinder. The majority of patients had some irregular astigmatism on corneoscopy. The average percent correction, based on refraction, was 94.1 +/- 24%, and the correlation coefficient was 0.43. Visual rehabilitation was rapid. No patient followed for 1 year or more had a decrease in the best-corrected acuity, and 63% of this group had an average improvement of 1.5 lines with as much as five lines. The final refraction may take up to 6 months to stabilize. Complications consisted of epithelium and debris in the interface and focal necrosis of Bowman's membrane. The technique is difficult but may have application in the visual rehabilitation of the high myope.

  11. Prospects for Tokamak Fusion Reactors

    SciTech Connect

    Sheffield, J.; Galambos, J.

    1995-04-01

    This paper first reviews briefly the status and plans for research in magnetic fusion energy and discusses the prospects for the tokamak magnetic configuration to be the basis for a fusion power plant. Good progress has been made in achieving fusion reactor-level, deuterium-tritium (D-T) plasmas with the production of significant fusion power in the Joint European Torus (up to 2 MW) and the Tokamak Fusion Test Reactor (up to 10 MW) tokamaks. Advances on the technologies of heating, fueling, diagnostics, and materials supported these achievements. The successes have led to the initiation of the design phases of two tokamaks, the International Thermonuclear Experimental Reactor (ITER) and the US Toroidal Physics Experiment (TPX). ITER will demonstrate the controlled ignition and extended bum of D-T plasmas with steady state as an ultimate goal. ITER will further demonstrate technologies essential to a power plant in an integrated system and perform integrated testing of the high heat flux and nuclear components required to use fusion energy for practical purposes. TPX will complement ITER by testing advanced modes of steady-state plasma operation that, coupled with the developments in ITER, will lead to an optimized demonstration power plant.

  12. North American tidal power prospects

    NASA Astrophysics Data System (ADS)

    Wayne, W. W., Jr.

    1981-07-01

    Prospects for North American tidal power electrical generation are reviewed. Studies by the US Army Corps of Engineers of 90 possible generation schemes in Cobscook Bay, ME, indicated that maximum power generation rather than dependable capacity was the most economic method. Construction cost estimates for 15 MW bulb units in a single effect mode from basin to the sea are provided; five projects were considered ranging from 110-160 MW. Additional tidal power installations are examined for: Half-Moon Cove, ME (12 MW, 18 ft tide); Cook Inlet, AK, which is shown to pose severe environmental and engineering problems due to fish migration, earthquake hazards, and 300 ft deep silt deposits; and the Bay of Fundy, Canada. This last has a 17.8 MW plant under construction in a 29 ft maximum tide area. Other tidal projects of the Maritime Provinces are reviewed, and it is noted that previous economic evaluations based on an oil price of $16/barrel are in need of revision.

  13. Procreative beneficence and the prospective parent

    PubMed Central

    Herissone‐Kelly, P

    2006-01-01

    Julian Savulescu has given clear expression to a principle—that of “procreative beneficence”—which underlies the thought of many contemporary writers on bioethics. The principle of procreative beneficence (PPB) holds that parents or single reproducers are at least prima facie obliged to select the child, out of a range of possible children they might have, who will be likely to lead the best life. My aim in this paper is to argue that prospective parents, just by dint of their being prospective parents, are in fact not obliged to act on PPB. That is, there is something about their filling the role of prospective parents that exempts them from selecting the child with the best life. I urge that it is more realistic to view prospective parents as bound by a principle of acceptable outlook, which holds that they ought not to select children whose lives will contain an unacceptable amount of suffering. PMID:16507665

  14. Fairness in prospective payment: a clustering approach.

    PubMed Central

    Stefos, T; LaVallee, N; Holden, F

    1992-01-01

    Problems of fairness in prospective payment have existed since the inception of this regulatory method in the early 1980s. While prospective payment ostensibly has sought to reward efficient producers and provide disincentives for inefficient producers of health care, many hospitals have been penalized financially as a consequence of facing systematic factors beyond their control. This article defines homogenous peer groups of Department of Veterans Affairs providers for the purpose of establishing competitive prospective reimbursement rates. An econometric analysis classifies hospitals into six categories: small affiliated, small general, midsize affiliated/tertiary, large affiliated/tertiary, midsize general, and psychiatric. The Department of Veterans Affairs adopted this classification to alter its prospective payment system in 1988. PMID:1592607

  15. Nuclear radiation cleanup and uranium prospecting

    DOEpatents

    Mariella, Jr., Raymond P.; Dardenne, Yves M.

    2017-01-03

    Apparatus, systems, and methods for nuclear radiation cleanup and uranium prospecting include the steps of identifying an area; collecting samples; sample preparation; identification, assay, and analysis; and relating the samples to the area.

  16. Nuclear radiation cleanup and uranium prospecting

    DOEpatents

    Mariella, Jr., Raymond P.; Dardenne, Yves M.

    2016-02-02

    Apparatus, systems, and methods for nuclear radiation cleanup and uranium prospecting include the steps of identifying an area; collecting samples; sample preparation; identification, assay, and analysis; and relating the samples to the area.

  17. Some findings on prospect and refuge: I.

    PubMed

    Stamps, Arthur E

    2008-02-01

    Prospect and refuge theory suggests that preferences for environments are based on prospect (the unimpeded opportunity to see) and refuge (the opportunity to hide). This article reports two experiments on how well four factors derived from prospect and refuge theory predicted responses of comfort or liking. The factors were prospect (depth of view), refuge (presence of protective regions in front of the observer or occluding edges that might indicate possibilities of escape), direction of light (either front lighting or back lighting), and venue (natural or built environments). Exp. 1 had 16 landscape scenes and 29 participants; Exp. 2 had 16 landscapes, 14 rooms, and 18 participants. Empirical support was obtained for the claim that people will like gazing out over scenes of distant mountains. For venue, built scenes were preferred over scenes of nature. Results for refuge were ambiguous, and those for di rection of light were nill.

  18. Hypnosis Attenuates Executive Cost of Prospective Memory.

    PubMed

    Demeter, Gyula; Szendi, István; Juhász, Marianna; Kovács, Zoltán Ambrus; Boncz, István; Keresztes, Attila; Pajkossy, Péter; Racsmány, Mihály

    2016-01-01

    Prospective memory is the ability to formulate and carry out actions at the appropriate time or in the appropriate context. This study aimed to identify the effect of hypnosis on prospective memory performance and to analyze the involvement of executive control processes in intention realization in a hypnotically altered state of consciousness. In 1 experiment, manipulating hypnotic instruction in a within-subject fashion, the authors explored the event-based prospective memory performance of 23 volunteers in 3 conditions: baseline, expectation, and execution. The primary result was that executing prospective memory responses, at the same accuracy rate, produced a significantly lower cost of ongoing responses in terms of response latency in the hypnotic state than in wake condition.

  19. Prospective Optimization with Limited Resources

    PubMed Central

    Snider, Joseph; Lee, Dongpyo; Poizner, Howard; Gepshtein, Sergei

    2015-01-01

    The future is uncertain because some forthcoming events are unpredictable and also because our ability to foresee the myriad consequences of our own actions is limited. Here we studied how humans select actions under such extrinsic and intrinsic uncertainty, in view of an exponentially expanding number of prospects on a branching multivalued visual stimulus. A triangular grid of disks of different sizes scrolled down a touchscreen at a variable speed. The larger disks represented larger rewards. The task was to maximize the cumulative reward by touching one disk at a time in a rapid sequence, forming an upward path across the grid, while every step along the path constrained the part of the grid accessible in the future. This task captured some of the complexity of natural behavior in the risky and dynamic world, where ongoing decisions alter the landscape of future rewards. By comparing human behavior with behavior of ideal actors, we identified the strategies used by humans in terms of how far into the future they looked (their “depth of computation”) and how often they attempted to incorporate new information about the future rewards (their “recalculation period”). We found that, for a given task difficulty, humans traded off their depth of computation for the recalculation period. The form of this tradeoff was consistent with a complete, brute-force exploration of all possible paths up to a resource-limited finite depth. A step-by-step analysis of the human behavior revealed that participants took into account very fine distinctions between the future rewards and that they abstained from some simple heuristics in assessment of the alternative paths, such as seeking only the largest disks or avoiding the smaller disks. The participants preferred to reduce their depth of computation or increase the recalculation period rather than sacrifice the precision of computation. PMID:26367309

  20. Prospective Coding by Spiking Neurons

    PubMed Central

    Brea, Johanni; Gaál, Alexisz Tamás; Senn, Walter

    2016-01-01

    Animals learn to make predictions, such as associating the sound of a bell with upcoming feeding or predicting a movement that a motor command is eliciting. How predictions are realized on the neuronal level and what plasticity rule underlies their learning is not well understood. Here we propose a biologically plausible synaptic plasticity rule to learn predictions on a single neuron level on a timescale of seconds. The learning rule allows a spiking two-compartment neuron to match its current firing rate to its own expected future discounted firing rate. For instance, if an originally neutral event is repeatedly followed by an event that elevates the firing rate of a neuron, the originally neutral event will eventually also elevate the neuron’s firing rate. The plasticity rule is a form of spike timing dependent plasticity in which a presynaptic spike followed by a postsynaptic spike leads to potentiation. Even if the plasticity window has a width of 20 milliseconds, associations on the time scale of seconds can be learned. We illustrate prospective coding with three examples: learning to predict a time varying input, learning to predict the next stimulus in a delayed paired-associate task and learning with a recurrent network to reproduce a temporally compressed version of a sequence. We discuss the potential role of the learning mechanism in classical trace conditioning. In the special case that the signal to be predicted encodes reward, the neuron learns to predict the discounted future reward and learning is closely related to the temporal difference learning algorithm TD(λ). PMID:27341100

  1. Prospective Optimization with Limited Resources.

    PubMed

    Snider, Joseph; Lee, Dongpyo; Poizner, Howard; Gepshtein, Sergei

    2015-09-01

    The future is uncertain because some forthcoming events are unpredictable and also because our ability to foresee the myriad consequences of our own actions is limited. Here we studied how humans select actions under such extrinsic and intrinsic uncertainty, in view of an exponentially expanding number of prospects on a branching multivalued visual stimulus. A triangular grid of disks of different sizes scrolled down a touchscreen at a variable speed. The larger disks represented larger rewards. The task was to maximize the cumulative reward by touching one disk at a time in a rapid sequence, forming an upward path across the grid, while every step along the path constrained the part of the grid accessible in the future. This task captured some of the complexity of natural behavior in the risky and dynamic world, where ongoing decisions alter the landscape of future rewards. By comparing human behavior with behavior of ideal actors, we identified the strategies used by humans in terms of how far into the future they looked (their "depth of computation") and how often they attempted to incorporate new information about the future rewards (their "recalculation period"). We found that, for a given task difficulty, humans traded off their depth of computation for the recalculation period. The form of this tradeoff was consistent with a complete, brute-force exploration of all possible paths up to a resource-limited finite depth. A step-by-step analysis of the human behavior revealed that participants took into account very fine distinctions between the future rewards and that they abstained from some simple heuristics in assessment of the alternative paths, such as seeking only the largest disks or avoiding the smaller disks. The participants preferred to reduce their depth of computation or increase the recalculation period rather than sacrifice the precision of computation.

  2. Prospects of bipolar diamond devices

    NASA Astrophysics Data System (ADS)

    Aleksov, A.; Denisenko, A.; Kohn, E.

    2000-02-01

    The prospects of diamond bipolar devices are analysed theoretically and experimentally in respect to the problem of deep doping, especially the deep donor in diamond. For this purpose a set of p- n- p bipolar junction transistors (BJTs) is fabricated on p-type diamond substrates by epitaxial growth using boron ( EA=0.4 eV) and nitrogen ( ED=1.7 eV) as the p- and n-type dopants respectively. It is shown that at the boron/nitrogen junction a p- n junction is formed. The built-in potential of the junction is determined by the ionised boron/nitrogen impurities. The specific features of the fabricated devices are the high resistivity of the nitrogen doped base (10 GΩ·cm at 20°C) and a significant leakage current of the reverse biased p- n junctions. These factors limit the transistor action to d.c.-operation in the nA-current range and to temperatures below 200°C where leakage starts to dominate. The values of the static current gain IC/ IB are measured in the common base mode 200 and in the common emitter mode 1.1. The theoretical section of the paper deals with the calculation of the static current gain of diamond pnp transistor structures in dependence of the donor energy level, temperature and frequency. Both the theoretical and the experimental results indicate that diamond bipolar transistors with a nitrogen doped n-type base can exhibit a current gain β of up to 30,000 in the d.c.-regime provided the leakage of the p- n junctions is sufficiently low. High-gain diamond transistors operating in GHz-frequency can be expected as soon as n-doping by shallow donor like phosphorous ( ED<0.5 eV) becomes available.

  3. Prospecting for marine gas hydrate resources

    USGS Publications Warehouse

    Boswell, Ray; Shipp, Craig; Reichel, Thomas; Shelander, Dianna; Saeki, Tetsuo; Frye, Matthew; Shedd, William; Collett, Timothy S.; McConnell, Daniel R.

    2016-01-01

    As gas hydrate energy assessment matures worldwide, emphasis has evolved away from confirmation of the mere presence of gas hydrate to the more complex issue of prospecting for those specific accumulations that are viable resource targets. Gas hydrate exploration now integrates the unique pressure and temperature preconditions for gas hydrate occurrence with those concepts and practices that are the basis for conventional oil and gas exploration. We have aimed to assimilate the lessons learned to date in global gas hydrate exploration to outline a generalized prospecting approach as follows: (1) use existing well and geophysical data to delineate the gas hydrate stability zone (GHSZ), (2) identify and evaluate potential direct indications of hydrate occurrence through evaluation of interval of elevated acoustic velocity and/or seismic events of prospective amplitude and polarity, (3) mitigate geologic risk via regional seismic and stratigraphic facies analysis as well as seismic mapping of amplitude distribution along prospective horizons, and (4) mitigate further prospect risk through assessment of the evidence of gas presence and migration into the GHSZ. Although a wide range of occurrence types might ultimately become viable energy supply options, this approach, which has been tested in only a small number of locations worldwide, has directed prospect evaluation toward those sand-hosted, high-saturation occurrences that were presently considered to have the greatest future commercial potential.

  4. Development of the PROSPECT Source Calibration System

    NASA Astrophysics Data System (ADS)

    Bykadorova, Arina; Prospect Collaboration

    2016-09-01

    PROSPECT, the Precision Reactor Oscillation and Spectrum Experiment, is a short-baseline antineutrino experiment consisting of a movable liquid scintillator detector operated near Oak Ridge National Laboratory's High Flux Isotope Reactor (HFIR). PROSPECT is designed to make a precise measurement of the antineutrino spectrum emitted from 235U fissions in a highly-enriched uranium reactor core, and to probe for eV-scale sterile neutrinos by examining neutrino oscillations at a distance of 7-12 m from the reactor. These measurements will address the observed reactor anomalies: the deficit in the reactor flux and the deviation in the spectral shape. PROSPECT consists of a 2-ton segmented liquid scintillator detector. Each segment is read out with two photomultipliers. Energy response and position reconstruction are calibrated using radioactive gamma and neutron sources. We have developed a retractable source deployment system that allows the placement of sources along the length of the detector segments and tested it using PROSPECT-50, a 50-liter detector prototype consisting of two segments. We will present the design of the PROSPECT source calibration system and results from PROSPECT-50. Wright Laboratory, Department of Physics, Yale University, New Haven, CT, USA.

  5. Prospect Theory for Online Financial Trading

    NASA Astrophysics Data System (ADS)

    Liu, Yang-Yu; Nacher, Jose C.; Ochiai, Tomoshiro; Martino, Mauro; Altshuler, Yaniv

    2014-03-01

    Prospect theory is widely viewed as the best available descriptive model of how people evaluate risk in experimental settings. According to prospect theory, people make decisions based on the potential value of losses and gains rather than the final outcome. People are risk-averse with respect to gains and risk-seeking with respect to losses, a phenomenon called ``loss aversion''. Despite of the fact that prospect theory has been well studied in behavioral economics at the theoretical level, there exist very few empirical research and most of them has been undertaken with micro-panel data. Here we analyze the trading activities of over 1.5 million members of an online financial trading community over 28 months, aiming to explore the large-scale empirical aspect of prospect theory. By analyzing and comparing the behaviour of ``winners'' and ``losers'', i.e., traders with positive or negative final net profit, we find clear evidence of the loss aversion phenomenon, an essence in prospect theory. This work demonstrates an unprecedented large-scale empirical evidence of prospect theory. It has immediate implication in financial trading, e.g., developing new trading strategies by minimizing the effect of loss aversion. It also provides opportunity to augment online social trading, where users are allowed to watch and follow the trading activity of others, by predicting potential winners based on their historical trading behaviour.

  6. Age effects in emotional prospective memory: cue valence differentially affects the prospective and retrospective component.

    PubMed

    Schnitzspahn, Katharina M; Horn, Sebastian S; Bayen, Ute J; Kliegel, Matthias

    2012-06-01

    While first studies suggested that emotional task material may enhance prospective memory performance in young and older adults, the extent and mechanisms of this effect are under debate. The authors explored possible differential effects of cue valence on the prospective and retrospective component of prospective memory in young and older adults. Forty-five young and 41 older adults performed a prospective memory task in which emotional valence of the prospective memory cue was manipulated (positive, negative, neutral). The multinomial model of event-based prospective memory was used to analyze effects of valence and age on the two prospective memory components separately. Results revealed an interaction indicating that age differences were smaller in both emotional valence conditions. For older adults positive cues improved the prospective component, while negative cues improved the retrospective component. No main effect of valence was found for younger adults on an overt accuracy measure, but model-based analyses showed that the retrospective component was enhanced in the positive compared with the negative cue condition. The study extends the literature in demonstrating that processes underlying emotional effects on prospective memory may differ depending on valence and age. PsycINFO Database Record (c) 2012 APA, all rights reserved

  7. Prospective very young asteroid pairs

    NASA Astrophysics Data System (ADS)

    Galád, A.; Vokrouhlický, D.; Zizka, J.

    2014-07-01

    Several tens of asteroid pairs can be discerned from the background main-belt asteroids. The majority of them are thought to have formed within only the last few 10^6 yr. The youngest recognized pairs have formed more than ≈ 10 kyr ago. As some details of pair formation are still not understood well, the study of young pairs is of great importance. It is mainly because the conditions at the time of the pair formation could be deduced much more reliably for young pairs. For example, space weathering on the surfaces of the components, or changes in their rotational properties (in spin rates, tumbling, coordinates of rotational pole) could be negligible since the formation of young pairs. Also, possible strong perturbations by main-belt bodies on pair formation can be reliably studied only for extremely young pairs. Some pairs can quickly blend in with the background asteroids, so even the frequency of asteroid pair formation could be determined more reliably based on young pairs (though only after a statistically significant sample is at disposal). In our regular search for young pairs in the growing asteroid database, only multiopposition asteroids with very similar orbital and proper elements are investigated. Every pair component is represented by a number of clones within orbital uncertainties and drifting in semimajor axis due to the Yarkovsky effect. We found that, if the previously unrecognized pairs (87887) 2000 SS_{286} - 2002 AT_{49} and (355258) 2007 LY_{4} - 2013AF_{40} formed at the recent very close approach of their components, they could become the youngest known pairs. In both cases, the relative encounter velocities of the components were only ˜ 0.1 m s^{-1}. However, the minimum distances between some clones are too large and a few clones of the latter pair did not encounter recently (within ≈ 10 kyr). The age of some prospective young pairs cannot be determined reliably without improved orbital properties (e.g., the second component of a pair

  8. Prospective Ukrainian lunar orbiter mission

    NASA Astrophysics Data System (ADS)

    Shkuratov, Y.; Litvinenko, L.; Shulga, V.; Yatskiv, Y.; Kislyuk, V.

    Ukraine has launch vehicles that are able to deliver about 300 kg to the lunar orbit. Future Ukrainian lunar program may propose a polar orbiter. This orbiter should fill principal information gaps in our knowledge about the Moon after Clementine and Lunar Prospector missions and the future missions, like Smart-1, Lunar-A, and Selene. We consider that this can be provided by radar studies of the Moon with supporting optical polarimetric observations from lunar polar orbit. These experiments allow one to better understand global structure of the lunar surface in a wide range of scales, from microns to kilometers. We propose three instruments for the prospective lunar orbiter. They are: a synthetic aperture imaging radar (SAR), ground-penetrating radar (GPR), and imaging polarimeter (IP). The main purpose of SAR is to study with high resolution (50 m) the permanently shadowed sites in the lunar polar regions. These sites are cold traps for volatiles, and have a potential of resource utilization. Possible presence of water ice in the regolith in the sites makes them interesting for permanent manned bases on the Moon. Radar imaging and mapping of other interesting regions could be also planned. Multi-frequencies multi-polarization soun d ing of the lunar surface with GPR can provide information about internal structure of the lunar surface from meters to several hundred meters deep. GPR can be used for measuring the megaregolith layer properties, detection of cryptomaria, and studies of internal structure of the largest craters. IP will be a CCD camera with an additional suite of polarizers. Modest spatial resolution (100 m) should provide a total coverage or a large portion of the lunar surface in oblique viewing basically at large phase angles. Polarization degree at large (>90°) phase angles bears information about characteristic size of the regolith particles. Additional radiophysical experiments are considered with the use of the SAR system, e.g., bistatic radar

  9. Sterile Neutrino Search with the PROSPECT Experiment

    NASA Astrophysics Data System (ADS)

    Surukuchi Venkata, Pranava Teja

    2017-01-01

    PROSPECT is a multi-phased short-baseline reactor antineutrino experiment with primary goals of performing a search for sterile neutrinos and making a precise measurement of 235U reactor antineutrino spectrum from the High Flux Isotope Reactor at Oak Ridge National Laboratory. PROSPECT will provide a model independent oscillation measurement of electron antineutrinos by performing relative spectral comparison between a wide range of baselines. By covering the baselines of 7-12 m with Phase-I and extending the coverage to 19m with Phase-II, the PROSPECT experiment will be able to address the current eV-scale sterile neutrino oscillation best-fit region within a single year of data-taking and covers a major portion of suggested parameter space within 3 years of Phase-II data-taking. Additionally, with a Phase-II detector PROSPECT will be able to distinguish between 3+1 mixing, 3+N mixing and other non-standard oscillations. In this talk, we describe the PROSPECT oscillation fitting framework and expected detector sensitivity to the oscillations arising from eV-scale sterile neutrinos. DOE

  10. PROSPECT - A Precision Oscillation and Spectrum Experiment

    NASA Astrophysics Data System (ADS)

    Zhang, Xianyi; Prospect Collaboration

    2017-01-01

    PROSPECT, the PRecision Oscillation and SPECTrum Experiment, is a multi-phased short baseline reactor antineutrino experiment that aims to precisely measure the U-235 antineutrino spectrum and prob for oscillation effects involving a possible Δm2 1 eV2 scale sterile neutrino. In PROSPECT Phase-I, an optically segmented Li-6 loaded liquid scintillator detector will be deployed at at the baseline of 7-12m from the High Flux Isotope Reactor at the Oak Ridge National Laboratory. PROSPECT will measure the spectrum of U-235 to aid in resolving the unexplained inconsistency between predictive spectral models and recent experimental measurements using LEU cores, while the oscillation measurement will probe the best fit region suggested by global fitting studies within 1-year data taking. This talk will introduce the design of PROSPECT Phase-I, the discovery potential of the experiment, and the progress the collaboration has made toward realizing PROSPECT Phase-I. Department of Energy

  11. Prospecting for gold in the United States

    USGS Publications Warehouse

    ,

    1967-01-01

    Prospecting for gold is something that probably everyone dreams of trying at least once. To the person who is mainly concerned with this activity as a vacation diversion, prospecting offers a special excitement. There is a constant hope that the next pan of sediment may be "pay dirt," and no other thrill can compare with that experienced when one sees even a few tiny flecks of gold glittering in the black sand at the bottom of his pan. The search itself is its own reward for the efforts expended by the vacation prospector. The would-be prospector hoping for financial gain, however, should carefully consider all the facts of the situation before deciding to set out on a prospecting expedition.

  12. Dissociable Neural Routes to Successful Prospective Memory

    PubMed Central

    McDaniel, Mark A.; LaMontagne, Pamela; Beck, Stefanie M.; Scullin, Michael K.; Braver, Todd S.

    2015-01-01

    Identifying the processes by which people remember to execute an intention at an appropriate moment (prospective memory) remains a fundamental theoretical challenge. One account is that top-down attentional control is required to maintain activation of the intention, self-initiate intention retrieval, or support monitoring. A diverging account suggests bottom-up spontaneous retrieval can be triggered by cues that have been associated with the intention; sustained attentional processes are not required. We used a specialized experimental design and fMRI methods to selectively marshal and identify each process. Results revealed a clear dissociation. One prospective memory task recruited sustained activity in attentional control areas, such as anterior prefrontal cortex; the other engaged purely transient activity in parietal and ventral brain regions associated with attentional capture, target detection, and episodic retrieval. These patterns provide critical evidence that there are two neural routes to prospective memory, with each route emerging under different circumstances. PMID:23907544

  13. Prospective Memory in Children and Chimpanzees

    PubMed Central

    Perdue, Bonnie M.; Evans, Theodore A.; Williamson, Rebecca A.; Gonsiorowski, Anna; Beran, Michael J.

    2013-01-01

    Prospective memory involves remembering to do something at a specific time in the future. Here we investigate the beginnings of this ability in young children (3-year-olds; Homo sapiens) and chimpanzees (Pan troglodytes) using an analogous task. Subjects were given a choice between two toys (children) or two food items (chimpanzees). The selected item was delivered immediately, whereas the unselected item was hidden in an opaque container. After completing an ongoing quantity discrimination task, subjects could request the hidden item by asking for it (children) or by pointing to the container and identifying the item on a symbol board (chimpanzees). Children and chimpanzees showed evidence of prospective-like memory in this task, as evidenced by successful retrieval of the item at the end of the task, sometimes spontaneously with no prompting from the experimenter. These findings contribute to our understanding of prospective memory from an ontogenetic and comparative perspective. PMID:23884791

  14. Prospect theory for online financial trading.

    PubMed

    Liu, Yang-Yu; Nacher, Jose C; Ochiai, Tomoshiro; Martino, Mauro; Altshuler, Yaniv

    2014-01-01

    Prospect theory is widely viewed as the best available descriptive model of how people evaluate risk in experimental settings. According to prospect theory, people are typically risk-averse with respect to gains and risk-seeking with respect to losses, known as the "reflection effect". People are much more sensitive to losses than to gains of the same magnitude, a phenomenon called "loss aversion". Despite of the fact that prospect theory has been well developed in behavioral economics at the theoretical level, there exist very few large-scale empirical studies and most of the previous studies have been undertaken with micro-panel data. Here we analyze over 28.5 million trades made by 81.3 thousand traders of an online financial trading community over 28 months, aiming to explore the large-scale empirical aspect of prospect theory. By analyzing and comparing the behavior of winning and losing trades and traders, we find clear evidence of the reflection effect and the loss aversion phenomenon, which are essential in prospect theory. This work hence demonstrates an unprecedented large-scale empirical evidence of prospect theory, which has immediate implication in financial trading, e.g., developing new trading strategies by minimizing the impact of the reflection effect and the loss aversion phenomenon. Moreover, we introduce three novel behavioral metrics to differentiate winning and losing traders based on their historical trading behavior. This offers us potential opportunities to augment online social trading where traders are allowed to watch and follow the trading activities of others, by predicting potential winners based on their historical trading behavior.

  15. Prospect Theory for Online Financial Trading

    PubMed Central

    Martino, Mauro; Altshuler, Yaniv

    2014-01-01

    Prospect theory is widely viewed as the best available descriptive model of how people evaluate risk in experimental settings. According to prospect theory, people are typically risk-averse with respect to gains and risk-seeking with respect to losses, known as the “reflection effect”. People are much more sensitive to losses than to gains of the same magnitude, a phenomenon called “loss aversion”. Despite of the fact that prospect theory has been well developed in behavioral economics at the theoretical level, there exist very few large-scale empirical studies and most of the previous studies have been undertaken with micro-panel data. Here we analyze over 28.5 million trades made by 81.3 thousand traders of an online financial trading community over 28 months, aiming to explore the large-scale empirical aspect of prospect theory. By analyzing and comparing the behavior of winning and losing trades and traders, we find clear evidence of the reflection effect and the loss aversion phenomenon, which are essential in prospect theory. This work hence demonstrates an unprecedented large-scale empirical evidence of prospect theory, which has immediate implication in financial trading, e.g., developing new trading strategies by minimizing the impact of the reflection effect and the loss aversion phenomenon. Moreover, we introduce three novel behavioral metrics to differentiate winning and losing traders based on their historical trading behavior. This offers us potential opportunities to augment online social trading where traders are allowed to watch and follow the trading activities of others, by predicting potential winners based on their historical trading behavior. PMID:25330203

  16. Making better estimates of prospect reserves

    SciTech Connect

    Rose, P.R. )

    1996-01-01

    Most geoscientists predict reserve-sizes of successful exploratory prospects poorly. They are overconfident as to possible ranges of reserves; strongly overoptimistic; and therefore frequently surprised, usually on the downside. So investors suffer, and exploration staffs lose credibility. Prospect reserves (ultimate recoverable bbl/mcf) depends on three variables: Area of accumulation (ac); Average net feet of pay (ft); and Hydrocarbon-recovery factor (bbl or mcf/ac-ft). These variables are nearly always independent, and appear to be distributed lognormally. Their product, the prospect reserves distribution, commonly generated by Monte Carlo simulation, is also lognormal. Prospectors can learn to make better forecasts of prospect reserves through routine use of six different but mutually supportive estimating techniques: (1) mapping both genesis and geometry of traps employing multiple working hypotheses; (2) avoiding common psychological biases, such as [open quotes]anchoring[close quotes]; (3) constructing distributions of Area, Pay, HC-recovery, and Reserves which are constrained by the expectation of lognormality; (4) applying [open quote]reality-checks[close quote] to estimates based on (a) known analogous or parent geological situations such as field-size distributions, (b) P[sub 1%], P[sub 50%], and P[sub 99%] reserves estimates that are consequent to the proposed lognormal distribution and believable geologically; and (c) variance of reserves distribution that is consistent with that class of exploratory well, and with prospect data quality and quantity; (5) combining independent estimates by multiple seasoned explorers, who have utilized identical prospect data-sets; (6) getting [open quote]feedback[close quote] through routine comparisons of prior predictions and actual outcomes.

  17. The sociology of pharmaceuticals: progress and prospects.

    PubMed

    Williams, Simon J; Gabe, Jonathan; Davis, Peter

    2008-09-01

    This paper takes a critical look at progress and prospects regarding the sociology of pharmaceuticals over the years. Key themes examined include: (i) medicalisation and pharmaceuticalisation; (ii) regulation; (iii) consumption and consumerism; (iv) expectations and innovation. Papers in the monograph are also introduced and discussed in relation to these themes. The paper concludes with some further comments and reflections on progress and prospects in this field, emphasising the continuing importance of sociological engagement with these personal and political issues in the 21(st) century.

  18. A Prospective Analysis of Sexual Assault Perpetration

    ERIC Educational Resources Information Center

    Loh, Catherine; Gidycz, Christine; Lobo, Tracy; Luthra, Rohini

    2005-01-01

    This study prospectively evaluated perpetrator risk factors for sexual assault perpetration, including peer influences, beliefs and attitudes about sexuality, alcohol use, and token resistance. Perpetration of sexual assault was evaluated at three time periods: pretest, 3-month follow-up, and 7-month follow-up. Retrospective and prospective…

  19. School Food Practices of Prospective Teachers

    ERIC Educational Resources Information Center

    Rossiter, Melissa; Glanville, Theresa; Taylor, Jennifer; Blum, Ilya

    2007-01-01

    Background: Schoolteachers can affect students' eating habits in several ways: through nutrition knowledge, positive role modeling, and avoidance of unhealthy classroom food practices. In this study, the knowledge, attitudes, and eating behaviors of prospective teachers as determinants of intended classroom food practices and the school…

  20. Prospective Teachers' Understandings: Function and Composite Function.

    ERIC Educational Resources Information Center

    Meel, David E.

    2003-01-01

    The current education reform efforts place greater emphasis on conceptual understanding and focus attention on teacher preparation, especially on the adequacy of teachers' mathematical knowledge of the material they will be teaching. This paper discusses the responses of 20 prospective elementary and special education mathematics specialists to…