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Estimation Of Agricultural Pesticide Use In Drainage Basins Using Land Cover Maps And County Pesticide Data
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Book Synopsis Estimation of Agricultural Pesticide Use in Drainage Basins Using Land Cover Maps and County Pesticide Data by :
Download or read book Estimation of Agricultural Pesticide Use in Drainage Basins Using Land Cover Maps and County Pesticide Data written by and published by DIANE Publishing. This book was released on with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimation of Agricultural Pesticide Use in Drainage Basins Using Land Cover Maps and County Pesticide Data. National Water-Quality Assessment Program by :
Download or read book Estimation of Agricultural Pesticide Use in Drainage Basins Using Land Cover Maps and County Pesticide Data. National Water-Quality Assessment Program written by and published by . This book was released on 2005 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: A geographic information system (GIS) was used to estimate agricultural pesticide use in the drainage basins of streams that are studied as part of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program. Drainage basin pesticide use estimates were computed by intersecting digital maps of drainage basin boundaries with an enhanced version of the National Land Cover Data 1992 combined with estimates of 1992 agricultural pesticide use in each United States county. This report presents the methods used to quantify agricultural pesticide use in drainage basins using a GIS and includes the estimates of atrazine use applied to row crops, small-grain crops, and fallow lands in 150 watersheds in the conterminous United States. Basin atrazine use estimates are presented to compare and analyze the results that were derived from 30-meter and 1-kilometer resolution land cover and county pesticide use data, and drainage basin boundaries at various grid cell resolutions. Comparisons of the basin atrazine use estimates derived from watershed boundaries, county pesticide use, and land cover data sets at different resolutions, indicated that overall differences were minor. The largest potential for differences in basin pesticide use estimates between those derived from the 30-meter and 1-kilometer resolution enhanced National Land Cover Data 1992 exists wherever there are abrupt agricultural land cover changes along the basin divide. Despite the limitations of the drainage basin pesticide use data described in this report, the basin estimates provide consistent and comparable indicators of agricultural pesticide application in surface-water drainage basins studied in the NAWQA Program.
Book Synopsis Estimation of Agricultural Pesticide Use in Drainage Basins Using Land Cover Maps and County Pesticide Data by : Naomi Nakagaki
Download or read book Estimation of Agricultural Pesticide Use in Drainage Basins Using Land Cover Maps and County Pesticide Data written by Naomi Nakagaki and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of the Sensitivity of Soils to the Leaching of Agricultural Pesticides in Ohio by : Charles W. Schalk
Download or read book Analysis of the Sensitivity of Soils to the Leaching of Agricultural Pesticides in Ohio written by Charles W. Schalk and published by . This book was released on 1998 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water-resources Investigations Report by :
Download or read book Water-resources Investigations Report written by and published by . This book was released on 2003 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimation of Annual Agricultural Pesticide Use for Counties of the Conterminous United States, 1992?2009 by : Gail P. Thelin
Download or read book Estimation of Annual Agricultural Pesticide Use for Counties of the Conterminous United States, 1992?2009 written by Gail P. Thelin and published by CreateSpace. This book was released on 2014-07-11 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method was developed to calculate annual county- level pesticide use for selected herbicides, insecticides, and fungicides applied to agricultural crops grown in the conterminous United States from 1992 through 2009. Pesticide-use data compiled by proprietary surveys of farm operations located within Crop Reporting Districts were used in conjunction with annual harvested-crop acreage reported by the U.S. Department of Agriculture National Agricultural Statistics Service (NASS) to calculate use rates per harvested- crop acre, or an 'estimated pesticide use' (EPest) rate, for each crop by year. Pesticide-use data were not available for all Crop Reporting Districts and years. When data were unavailable for a Crop Reporting District in a particular year, EPest extrapolated rates were calculated from adjoining or nearby Crop Reporting Districts to ensure that pesticide use was estimated for all counties that reported harvested-crop acreage. EPest rates were applied to county harvested-crop acreage differently to obtain EPest-low and EPest-high estimates of pesticide-use for counties and states, with the exception of use estimates for California, which were taken from annual Department of Pesticide Regulation Pesticide Use Reports.
Book Synopsis Water-quality Assessment of the Connecticut, Housatonic, and Thames River Basins Study Unit by :
Download or read book Water-quality Assessment of the Connecticut, Housatonic, and Thames River Basins Study Unit written by and published by . This book was released on 1996 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Compilation of Existing Data for Aquifer Sensitivity and Ground-water Vulnerability Assessment for the Caddo Indian Tribe in Parts of Caddo and Canadian Counties, Oklahoma by : Carol J. Becker
Download or read book A Compilation of Existing Data for Aquifer Sensitivity and Ground-water Vulnerability Assessment for the Caddo Indian Tribe in Parts of Caddo and Canadian Counties, Oklahoma written by Carol J. Becker and published by . This book was released on 2000 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :IAHS International Commission on Continental Erosion. Symposium Publisher :Iahs Press ISBN 13 : Total Pages :644 pages Book Rating :4.X/5 (3 download)
Book Synopsis Sediment Dynamics in Changing Environments by : IAHS International Commission on Continental Erosion. Symposium
Download or read book Sediment Dynamics in Changing Environments written by IAHS International Commission on Continental Erosion. Symposium and published by Iahs Press. This book was released on 2008 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Agricultural Pesticide Use in Estuarine Drainage Areas by :
Download or read book Agricultural Pesticide Use in Estuarine Drainage Areas written by and published by . This book was released on 1989 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Agricultural Pesticide Applications and Observed Concentrations in Surface Waters from Four Drainage Basins in the Central Columbia Plateau, Washington and Idaho, 1993-94 by :
Download or read book Agricultural Pesticide Applications and Observed Concentrations in Surface Waters from Four Drainage Basins in the Central Columbia Plateau, Washington and Idaho, 1993-94 written by and published by . This book was released on 1996 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Shallow Ground-water Quality Adjacent to Burley Tobacco Fields in Northeastern Tennessee and Southwestern Virginia, Spring 1997 by : Gregory C. Johnson
Download or read book Shallow Ground-water Quality Adjacent to Burley Tobacco Fields in Northeastern Tennessee and Southwestern Virginia, Spring 1997 written by Gregory C. Johnson and published by . This book was released on 2001 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book M. l'abbé Henri Chaumont written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water-quality Assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland by : Dennis W. Risser
Download or read book Water-quality Assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland written by Dennis W. Risser and published by . This book was released on 1996 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Professional Geologist written by and published by . This book was released on 2005 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pesticides in Streams of the United States by : Steven J. Larson
Download or read book Pesticides in Streams of the United States written by Steven J. Larson and published by . This book was released on 1999 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
