摘要
对宜昌市沮漳河流域当阳段的水环境进行了调查和评价。通过区域自然环境、社会经济发展、水体功能区、水环境容量等分析以及多个断面数据的监测,表明沮漳河流域当阳段水环境质量不能满足III类水体功能区要求,主要超标因子为高锰酸盐指数、NH3-N、BOD5、TP、石油类,主要受沿岸工业废水、生活污水及农业面源污染所致。
The water environment of Dangyang district in Juzhang River area were investigated and evaluated. The research by analysis of area natural environment, social economic development, water substance function, water environment capability and the determination of many sections data showed that the water environmental quality couldn＇t meet the requirement of III type for water substance function area and the main factors over standards were potassium hypermanganate index, NH3-N, BODs, TP and petroleum chemicals, which were caused by the waste water from industrial factories, domestic waste and agriculture surface pollution. The research will provide important proofs for the eco-environment treatment.
出处
《环境保护与循环经济》
2013年第8期48-51,共4页
environmental protection and circular economy
基金
宣昌市科技局重点项目
编号:A2012-304
关键词
水环境
调查
评价
沮漳河
当阳段
water environment
investigation
evaluation
Juzhang River
Dangyang section
