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Application of GIS to nonpoint source pollution evaluation
Author(s): 
Pages: 441-444
Year: Issue:  4
Journal: ADVANCES IN WATER SCIENCE

Keyword:  非点源污染评价负荷地理信息系统MapX;
Abstract: 应用Visual Basic开发环境及MapInfo MapX控件建立了一个非点源污染评价系统,并以浙江省剡江流域为试验区对其非点源BOD年负荷量进行了模拟计算,从系统的结构及运行过程,包括数据的输入、模型参数的提取、结果的可视化等方面分析了GIS在流域非点源污染评价中的应用,研究表明,将GIS技术应用于流域非点源污染评价能够有效地获取模型参数,增加了数据和评价结果的直观性,为流域非点源污染治理提供了一种有效的途径.
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