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General Evaluation on Water Mass Trophic Status of Danjiangkou Reservoir Based on Weighting Method with Factor Analysis Method
Author(s): 
Pages: 164-168,190
Year: Issue:  6
Journal: Environmental Science and Management

Keyword:  因子分析定权南水北调丹江口水库营养度富营养化指数综合评价;
Abstract: 指标权重值的确定是多指标水质评价法实际应用中的关键问题.针对模糊评价等方法中权重值确定所具有的主观性,提出了基于因子分析定权的水质综合评价法及富营养化指数的概念,并将其应用于南水北调中线工程水源地一丹江口水库水体营养度的综合评价.结果表明,丹江口库区的污染物类型可以分为两类;丹江口库区水体营养度全年时段内均处于中营养化水平,但是,不同采样点、不同季节时的水体富营养化指数的差异还是较大的.总体来看,...
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