【摘要】 水环境评价指标体系的构建及水环境质量的综合评价分析是制定水环境保护对策的一个重要环节。文章在介绍了水环境指标因子选择方法的基础上,应用多级灰色关联评估理论及其模型对渤海湾近岸海域水环境质量状况进行了综合评价,并分析了近10 a来渤海湾水环境质量变化趋势及导致近岸海域海水富营养化状况的可能原因。更多还原

【Abstract】 It’s important that we should select suitable water quality indicators and assess its status in quo before taking an effective measure. This paper introduces correlation analysis method into the selecting of indicators firstly, and then uses gray correlation method to assess the water quality of Bohai Bay. The result has shown that the water quality from 1995 to 1999 was polluted seriously, but since 1999, the water quality has improved evidently.更多还原