%0 Journal Article %T Impact of DEM mesh size on AnnAGNPS runoff and sediment predictions for a small-scale hilly watershed
DEM格网尺度对AnnAGNPS预测山地小流域径流和物质输出的影响 %A TIAN Yaowu %A HUANG Zhilin %A ZENG Lixiong %A XIAO Wenfa %A MA Deju %A
田耀武 %A 黄志霖 %A 曾立雄 %A 肖文发 %A 马德举 %J 环境科学学报 %D 2009 %I %X The input of nutrients from agricultural non-point sources(AGNPSs),sediment delivery and worsening of water quality have become challenging issues threatening water security,human health and natural ecosystems in the Three Gorges Reservoir area.The agricultural non-point source(AGNPS)model is a useful tool for analysis of agricultural watershed management scenarios.The accuracy of agricultural nonpoint source pollution models depends to a great extent on how well model input spatial parameters describe the ... %K DEM mesh size %K AnnAGNPS model %K small-scale watershed %K topographic parameter %K sediment transport %K runoff
格网尺度 %K AnnAGNPS模型 %K 小尺度流域 %K 地形参数 %K 泥沙输出 %K 径流 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=03A55E61A8750ACAC6AF81EF9E2AC838&aid=F3958D94DD4308EC1D191CF31BC13D08&yid=DE12191FBD62783C&vid=771469D9D58C34FF&iid=E158A972A605785F&sid=5EB19D41D7A73119&eid=970314C3B74F6C4D&journal_id=0253-2468&journal_name=环境科学学报&referenced_num=2&reference_num=0