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wei he guan zhong duan shui huan jing rong liang ji suan yan jiu
Author(s): 
Pages: 46-47,49
Year: Issue:  9
Journal: YELLOW RIVER

Keyword:  一维稳态水质模型水功能区段段首控制法水环境容量渭河关中段;
Abstract: 根据渭河多年的水质监测资料,选取COD作为衡量渭河污染程度的主要指标,采用一维稳态水质方程和段首控制法计算分析渭河关中段的水环境容量.计算中根据最不利原则,选用最枯月水文条件进行计算,分功能区段计算,最后求和得到渭河关中段总的水环境容量(即年允许排放量)为165 192t/a.其中有一半的功能区段排放量已经严重超出水环境容量,应有针对性地采取措施,对现状污染源排放量进行削减.
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