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Title:   Author  item
                                            Owens, Lloyditem
                                            Bonta, James

                                                         - *Jim*item
                                            Malone, Robert

                                                         - *Rob*item
                                            Shipitalo, Martin
  Submitted to: American Geophysical Union
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 10/20/2000
                                    Publication  Date: N/A
                                    Citation: N/AInterpretive Summary:
                                Technical Abstract: The USDA-ARS North Appalachian Experimental Watershed (NAEW) research station was created by Congressional legislation in the mid 1930's to study the effects of agricultural land management on water and erosion on single farms and on entire watersheds. In the 1960's, research was started on the NAEW watersheds to investigate the transport of persistent insecticides  from cropland into surface water bodies. Studies of the movement of plant nutrients in surface and subsurface waters were begun soon after this and evaluated with regards to crop rotations, tillage tools, fertilization levels, and pasture grazing systems. Studies at the NAEW also included a comprehensive investigation into the effects of mining and reclamation on surface and groundwater hydrology and water quality. The 424 ha NAEW is in the unglaciated area of east central Ohio with conditions representative of significant portions of Indiana, Kentucky, Ohio, Pennsylvania, Tennessee,  and West Virginia. Currently there are 18 small watersheds (0.3 to 3.0 ha) in operation. Each is instrumented with a H-flume for the measurement of surface runoff, which is sampled during each runoff event by a Coshocton wheel that collects flow-proportional samples. There are also 6 larger watersheds in operation, ranging from 30 to 120 ha. Another major feature of the research facility is the 11 monolith lysimeters maintained at 3 different sites. This allows for water-cycle studies under 3 different slopes, aspects, and soil types. Since its creation more than 60 years ago, the NAEW has expanded its mission from studying and developing management practices for reducing runoff and erosion to include surface and subsurface water quality, validation and development of chemical transport models, and the development of weather simulation and storm generator models.


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