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Issue:
EvaluationModel of River Water Quality Based on Set Pair Analysis Method
Author(s):
YUAN Wei
Pages:
27
-
30
Year:
2016
Issue:
9
Journal:
Water Conservancy Science and Technology and Economy
Keyword:
河流水质评价
;
集对评价法
;
污染贡献率法
;
最小相对熵原理
;
组合权重
;
Abstract:
河流水质评价为河流主管部门在进行河流管理决策时,提供一定的理论依据.运用集对评价法建立河流水质评价模型.结合评价指标的主观权重和客观权重,利用最小相对熵原理确定评价指标的组合权重,同时兼顾专家的主观经验和数据本身携带的客观属性.该模型在贾鲁河的实证研究结果表明,该河水质处于严重污染状态,必须严格控制污染源、减少废污水排放量和相关部门加强监督管理力度等,以改善该河的水质污染状况.应用结果表明,该模型用于评价河流水质是可行的,评价结果较为简便、可靠,在河流水质评价中具有一定的应用价值.
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