Non-point source pollution(NSP) from the inland is one of the main factors causing the river pollution and marine eutrophication in coastal zone.By using the long term hydrological impact assessment model(L-THIA),combining the GIS spatial analysis technology and quantitative simuation,the paper analyzed the spatial-temporal distributing characteristics of yearly surface runoff and NSP load caused by land use change.The results indicate that the great losses of agricultural land have resulted in a decrease ...
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