Assessment and Trend Analysis of Surface Water Environmental Quality in Qingdao from 2016 to 2022
According to the monitoring data of the surface water environmental quality in Qingdao from 2016 to 2022,We analyzed and evaluated the change trend and current problems of the water environment quality in key river basins and reservoirs in Qingdao,and put forward relevant suggestions.The results showed that the surface water environmental quality in Qingdao has gradually improved from 2016 to 2022.The proportion of water quality sections of Class Ⅰ to Class Ⅲ in 2022 was basically the same as that in 2016,and the proportion of Inferior to Class-Ⅴ was reduced by 23.6%.The Dagu River Basin and coastal rivers have shifted from severe pollution to light pollution,while the pollution in Beijiaolai River is still relatively serious.The water quality of key reservoirs has generally remained stable.The water quality is significantly worse in summer than in other seasons,indicating that there is insufficient ecological water use and significant shortcomings in non-point source pollution.It is recommended to continue to wage a deeper battle to protect the blue water,consolidate and improve governance achievements,implement systematic governance with the integration of water environment,water ecology,and water resources as the framework,and comprehensively improve the quality of water ecological environment.
surface water environmental qualitychange trendQingdao City
NETL
NSTL
万方数据
