|Nebraska Water Science Center|
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By Brian S. Fredrick, Joshua I. Linard, and Jennifer L. Carpenter
The Maple Creek watershed covers a 955-square-kilometer area in eastern Nebraska, which is a region dominated by agricultural land use. The Maple Creek watershed is one of seven areas currently included in a nationwide study of the sources, transport, and fate of water and chemicals in agricultural watersheds. This study, known as the topical study of “Agricultural Chemicals: Sources, Transport, and Fate” is part of the National Water-Quality Assessment Program being conducted by the U.S. Geological Survey. The Program is designed to describe water-quality conditions and trends based on representative surface- and ground-water resources across the Nation. The objective of the Agricultural Chemicals topical study is to investigate the sources, transport, and fate of selected agricultural chemicals in a variety of agriculturally diverse environmental settings. The Maple Creek watershed was selected for the Agricultural Chemicals topical study because its watershed represents the agricultural setting that characterizes eastern Nebraska. This report describes the environmental setting of the Maple Creek watershed in the context of how agricultural practices, including agricultural chemical applications and irrigation methods, interface with natural settings and hydrologic processes. A description of the environmental setting of a subwatershed within the drainage area of Maple Creek is included to improve the understanding of the variability of hydrologic and chemical cycles at two different scales.
Fredrick, B.S., Linard, J.I., Carpenter, J.L., 2006, Environmental setting of Maple Creek Watershed, Nebraska: U.S. Geological Survey Scientific Investigations Report 2006-5037, 22 p.
For more information about USGS National Water-Quality Assement Program studies in Nebraska, visit the USGS Nebraska Water Science Center home page: http://ne.water.usgs.gov
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