永定河上游张家口地区水污染物排放负荷与贡献  

Contribution of water pollution discharge load in Zhangjiakou in the upper reaches of Yongding River

作　　者：郑斌 张剑[1] 邵志江 汪涛[2,3] ZHENG Bin;ZHANG Jian;SHAO Zhijiang;WANG Tao(College of Geography and Environmental Science,Northwest Normal University,Lanzhou Gansu 730070;Institute of Mountain Hazards and Environment,Chinese Academy of Sciences,Chengdu Sichuan 610041;Key Laboratory of Mountain Surface Processes and Ecological Regulation,Chinese Academy of Sciences,Chengdu Sichuan 610041)

机构地区：[1]西北师范大学地理与环境科学学院,甘肃兰州730070 [2]中国科学院水利部成都山地灾害与环境研究所,四川成都610041 [3]中国科学院山地表生过程与生态调控重点实验室,四川成都610041

出　　处：《环境污染与防治》2020年第5期604-607,613,共5页Environmental Pollution & Control

基　　金：国家水体污染控制与治理科技重大专项(No.2017ZX07101-001)。

摘　　要：运用源强系数法,估算永定河上游张家口地区不同来源水污染物的排放负荷,并评估不同污染源的贡献。结果表明:(1)永定河上游张家口地区COD排放负荷为97533.43 t/a;氨氮排放负荷为10596.73 t/a;总磷排放负荷为1389.11 t/a。(2)COD主要来自畜禽养殖业和城镇生活污水,分别占总排放负荷的53.66%和31.41%;氨氮主要来自城镇和农村生活污水,分别占总排放负荷的40.15%和27.04%;总磷主要来自畜禽养殖业和城镇生活污水,分别占总排放负荷的28.99%和26.54%。(3)从空间上看,宣化区COD、氨氮、总磷排放负荷均为最大,宣化区是永定河上游张家口地区水污染的主要贡献区。In this paper,the source intensity coefficient method was used to study the discharge load of water pollutants from different sources in Zhangjiakou in the upper reaches of Yongding River,and to evaluate the contribution of different pollution sources.The results showed that:(1)COD,ammonia nitrogen and total phosphorus discharge loads in Zhangjiakou in the upper reaches of Yongding River were 97533.43,10596.73,and 1389.11 t/a,respectively.(2)COD mainly came from livestock and poultry farming and urban domestic sewage,accounting for 53.66%and 31.41%of the total discharge load,respectively.Ammonia nitrogen mainly came from urban and rural domestic sewage,accounting for 40.15%and 27.04%of the total discharge load.The total phosphorus mainly came from livestock and poultry farming and urban sewage,accounting for 28.99%and 26.54%of the total discharge load,respectively.(3)From a spatial perspective,the COD,ammonia nitrogen,and total phosphorus discharge loads of Xuanhua District were the largest.Xuanhua District was the main contribution area of water pollution in Zhangjiakou in the upper reaches of Yongding River.

关 键 词：永定河上游 源强系数法 水污染负荷 贡献 污染来源 

分 类 号：X52[环境科学与工程—环境工程]