摘要
调查了海河流域省界断面水体主要污染物浓度分布情况,并对主要污染物进行了相关性分析。结果表明:海河流域省界水体质量总体较差,省界断面总氮浓度几乎全部超过地表水环境质量Ⅲ类水质标准上限值,化学需氧量、氨氮、总磷浓度超过Ⅲ类水质标准限值的省界断面比例分别达85%、64%、66%。水体质量在京津冀交汇区(廊坊市北三县周边)以及漳卫南运河沿线相对较差,在燕山及太行山山区相对较好。主要污染物之间相关性分析表明:总氮与氨氮相关性最大,特别是高浓度范围相关性更好;总氮与总磷也有一定相关性;总氮与化学需氧量的相关性不明显。
The GIS software has been employed to draw the distribution map of average concentration of main pollutants in water bodies of provincial boundary sections of the Hai River Basin and its equivalent chart. The relevance analysis of main pollutants are also conducted. The results indicate that water quality of these water bodies are generally poor as their total nitrogen concentrations are all exceed the upper limit of class-Ⅲ water quality standard, and chemical oxygen demand（COD）,ammonia nitrogen, total phosphorus concentration at the sections of provincial boundaries are 85%、64%、66% higher than the regulated limit. Water quality is poorer in the convergence area of Beijing, Tianjin and Hebei and Zhangweinan Canal and is relatively better in Yanshan and Taihang mountainous regions. It also indicates that the total nitrogen has highest relevance with ammonia nitrogen, especially in high concentration range, and it also has certain relevance with total phosphorus; but little relevance with COD.
作者
张俊
郭书英
孟宪智
张世禄
郭丽峰
许维
郝光玲
Zhang Jun;Guo Shuying;Meng Xianzhi;Zhang Shilu;Guo Lifeng;Xu Wei;Hao Guangling
出处
《中国水利》
2018年第15期45-47,51,共4页
China Water Resources
基金
海河流域水质监测项目(126204012002180001)
关键词
海河流域
省界
污染物
分布特征
the Hal River Basin
provincial boundaries
pollutants
distribution characters
