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《Environmental Science and Management》 2009-01
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Study on Different Mathematical Model of Surface Water in the Environmental Impact Assessment

He Chaobing(Chenzhou Environmental Protection Science Research Institute,Chenzhou 423000,China)  
Use one-dimensional method and two-dimensional analytic solution to simulate COD for the area of 25 km.The main conclusions: Both of two methods have a good simu1ation solution,but each have merits and faults.One-dimensional numerical solution process is dynamic,which can simulate contaminations,transference more vivid,but neglect the detai1s of concentration variation on the section.Two-dimensional cumulated flow method has more exact stimulant precision,but the progress of solving is static,and this method meed more data than one-dimensional model.
【CateGory Index】: X824
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