灰色关联在地表水环境评价中的应用——以七里海湿地为例

Application of the grey relational analysis to theassessment of the environmental of surface water——Qilihai wetland as an example

文章介绍了灰色关联分析法的原理,说明了其评价步骤;在此基础上,应用于七里海湿地地表水环境评价,选择了8个指标作为评价因子,构建了评价模型,对8个水质样品进行了评价;并根据关联度计算成果指出了主要污染因子;同时分析了水污染的主要原因,提出了水环境修复建议。

This paper introduces the grey relational analysis method and its process. Moreover, its used in Qilihai wetland surface water environmental evaluation, and selected eight indicators as evaluation indexes. An evaluation model was constructed and 8 samples were evaluated. According to grey relational grades, the study points out that the main pollution factor and analyzes pollution at the main cause of water pollution. Suggestions were put forward for renewal of water environmental.