Research progress of urban river pollution status and evaluation analysis
The research progress of pollution status,pollution causes and the status of pollution evaluation and analysis of urban rivers in recent years were reviewed.At present,the phenomenon of urban river pol-lution is mainly categorized into exogenous and endogenous pollution.The research analyzes the impacts of two pollution sources on urban rivers.The research and application progress of urban river pollution as-sessment and analysis methods are summarized.The advantages and disadvantages of different evaluation and analysis methods are explored,and the main trend of pollution evaluation and analysis when multiple evaluation methods are combined is pointed out.It is suggested that future research should focus on the comprehensiveness and comprehensiveness of evaluation methods to promote the study and treatment of urban river pollution.