摘要
分析了河北省渤海海域的污染源及27个水质监测点水质变化情况,并采用有机污染物指数和富营养化指数定量评价了水体污染水平和富营养化程度,研究结果表明:工业污水产生的污染负荷大于下水道向河道排放的污水,化学需氧量COD是主要的地表污染物;对于磷酸盐浓度而言,其主要来源于沿海的捕鱼区和港口;2015年旱季的污染比汛期严重得多;沙河、渡河、洋河、滦河等水域COD和磷酸盐浓度较低,污染较严重;秦皇岛地区的水质优于唐山和沧州地区。
The pollution sources in the eastern part of Hebei Province,namely Bohai Sea,and the water quality changes at 27 water quality monitoring points are analyzed.The organic pollutant index and eutrophication index are used to quantitatively evaluate the water pollution level and eutrophication degree.The research results show that the pollution load generated by industrial sewage is greater than the sewage discharged from sewer to river channel,and chemical oxygen demand(COD)is the main surface pollutant.For phosphate concentration,it mainly comes from coastal fishing areas and ports;Pollution in the dry season in 2015 is much more serious than that in the flood season.The concentration of COD and phosphate in the waters of Shahe,Duhe,Yanghe and Luanhe rivers is relatively low and the pollution is relatively serious.The water quality in Qinhuangdao is better than that in Tangshan and Cangzhou.
作者
裴培
PEI Pei(Hebei University of Environmental Engineering,Qinhuangdao 066000,China)
出处
《水科学与工程技术》
2019年第4期4-9,共6页
Water Sciences and Engineering Technology
关键词
沿海水质
有机污染物指数
污染源
coastal water quality
organic pollutant index
pollution sources
