Evaluation of Seawater quality in the Surrounding Waters of Liugong Island in Weihai City in Shandong Province
In order to comprehensively and systematically learn present conditon of the seawater quality in the surrounding waters of Liugong Island,and provide data support for water environment management and scientific and rational use of the sea,by using single factor pollution index method,organic pollution index method,eutrophication index method,and comprehensive pollution index method,seawater quality has been evaluated based on monitoring data from 20 stations in the surrounding waters of Liugong Island.It is showed that the single factor pollution indices of pH,dissolved oxygen(DO),chemical oxygen de-mand(COD),inorganic nitrogen,and active phosphate in the surrounding waters of Liugong Island are all less than 1.It can meet the first-class seawater quality standards.The range of organic pollution index A is-0.48～0.08,the average value is-0.26.The overall water quality is good.The range of nutritional index E is 0.02～0.10,the average value is 0.04,and all are malnutrition.The comprehensive pollution index(WQI)of surface heavy metals ranges from 0.29 to 0.50,the average value is 0.43,and is in an o-verall clean level.
Seawater quality assessmentsurrounding sea areaLiugong IslandWeihai city in Shandong province
万方数据
维普
