文档介绍：Application of SWAT in Non-Point Source Pollution
of Upper Xiliaohe Basin,China
HAO Lu, SHEN Shuanghe, GAO Jingmin / Nanjing WANG Jing-ai/ Beijing Normal University
University of Information Science&technology The Key Lab of Regional Geography.
Department of Applied Meteorological Science. Beijing,
Nanjing, e-mail address:wang_bnu@
e-mail address:hl_haolu@
Abstract—Non-point source pollution is one of the major
problems caused by agricultural activities especially from II. SWAT MODEL DESCRIPTION
planting cultivation. This paper describes the application of the The SWAT model [6-8] is used in the present study to carry
Soil and Water Assessment Tool (SWAT) model in agricultural out the hydrologic modeling of LRB. SWAT is a distributed,
non-point source pollution of the Laohahe River watershed, continuous, hydrological model with an ArcView GIS
located in northeast China. This initial hydrologic modeling interface. The model is physically based and enables users to
analysis will facilitate future applications of SWAT to this area
study long-term impacts. It can predicts the impact of land
for various watershed analyses, including water quality.
management practices on water, sediment, and agricultural
Keywords-non-point source; pollution load; distributed chemical yields in large plex watersheds with varying