A geographic information system for targeting nonpoint- source agricultural pollution
作者： W. Cully Hession , V. O. Shanholtz
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摘要: ABSTRACT: A computerized geographic information system is being developed for use with the universal soil loss equation and a delivery ratio to estimate potential sediment loading streams from agricultural land. The estimates will be used target cost-share monies in Virginia9s Chesapeake Bay drainage basin. approach has been shown more effective less expensive hold greater reuse than manual methods.
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