长河干流近年来CODcr与NH_3-N污染研究

Research on the CODcr and NH_3-N Pollution in Trunk of Changhe River in Current Years

通过对长河主要污染物CODcr和NH3-N近6年来的污染变化研究,分析长河水质污染状况的变化规律,结论为污染加重。

Through researching the pollution change of main pollutants CODer and NH3-N in last six years in Changhe River, this paper analyzes the changing regularity of water pollution of Changhe River, and draws a conclusion that the pollution is more and more serious.