According to the monitoring data of water quality in Hohhot section of Dahei River from 2013 to 2022,the water quality of Dahei River was comprehensively analyzed and evaluated by single factor evaluation method,com-prehensive pollution index method and Spearman rank correlation coefficient method,which provided technical sup-port for comprehensively grasping the changing trend of water environment quality of Dahei River.It is found that the water pollution situation of Dahei River has changed significantly in recent ten years,and the water environment quali-ty has improved obviously.
关键词
大黑河/水环境质量/单因子评价法/综合污染指数法
Key words
Dahei River/Water environment quality/Single factor evaluation method/Comprehensive pollution index method
维普
万方数据