Analysis of the Water Quality Characteristics and Change Trend of Mudi River Reservoir in Wenshan City
Through the statistical analysis of the water quality monitoring data of Mudi River reservoir from 2008 to 2022,the pollution index and pollution sharing rate were calculated.The results showed that the total nitrogen was the characteristic pollutant of Mudi River reservoir.Spearman method was used as the quantitative analysis method to analyze the pollution change trend.The comprehensive category of water quality excluding total nitrogen in Mudi River reservoir showed an upward trend,and the water quality improved significantly,but the total nitrogen change in the individual evaluation index showed an aggravating trend.Countermeasures should be taken according to the main sources of total nitrogen to prevent further deterioration of total nitrogen pollution.
water quality evaluationcharacteristic pollutantschange trendMudi River reservoir
NETL
NSTL
万方数据
