小清河水质时空动态分析

Temporal and Spatial Dynamic Analysis of the Water Quality of Xiaoqing River

摘要:

通过对小清河2014—2023年水质类别、超标项目、综合污染指数等进行分析，得出：小清河近10年水质类别有明显变好趋势，向好点集中在2017—2019年；超标指标逐渐变少，由2014年的9种下降到2023年的1种；2014—2023年综合污染指数有显著下降趋势，说明小清河治理成效显著，水质明显变好。

Abstract:

Through the analysis of the water quality categories, exceeding-standard items, and comprehensive pollution index of Xiaoqing River from 2014 to 2023, it is concluded that the water quality categories of Xiaoqing River have shown an obvious improvement trend in the past ten years, and the improvement is concentrated from 2017 to 2019. The number of exceeding-standard indicators has gradually decreased, dropping from 9 types in 2014 to 1 type in 2023. The comprehensive pollution index has shown a significant downward trend from 2014 to 2023, indicating that the treatment of Xiaoqing River has achieved remarkable results and the water quality has improved significantly.