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Studies of the agricultural contribution to nitrate enrichment of groundwater and the subsequent loading to surface waters - Part III: Mechanisms of runoff generation and nitrate flux to streams during runoff events

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Title: Studies of the agricultural contribution to nitrate enrichment of groundwater and the subsequent loading to surface waters - Part III: Mechanisms of runoff generation and nitrate flux to streams during runoff events
Author: Sklash, M. G.; Gillham, R. W.; Cherry, J. A.
Abstract: This report presents the results of an investigation into the origin of nitrate in stream discharge during periods of high runoff following snowmelt or storm events. Studies were conducted in the Hillman Creek (PLUARG AG-13) and Canagagigue Creek (PLUARG AG-4) watersheds during the period from February to June of 1977. The primary objectives of the study were: (1) to separate the groundwater and overland flow contributions of nitrate to the streams during high runoff periods through the analyses of the stream hydrographs, (2) to evaluate the accuracy of the environmental isotope mass balance technique for separating the stream nitrate into its source components. In conjunction with these goals, two other aims of the study were: (1) to identify the nitrate sources during high runoff periods in order to plan remedial measures, (2) to establish criteria for the extrapolation of the study results to larger areas.
URI: http://hdl.handle.net/10214/14499
Date: 1978
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Rights Holder: International Joint Commission
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