Assessment and analysis on water environment quality of Baoji section of Weihe River from 2016 to 2021
This study put forward the ideas and countermeasures of water environment protection in Weihe River basin to evaluate the water environment quality and change trend of Baoji section of Weihe River from 2016 to 2021.Qualitative evaluation,quantitative ranking and change trend analysis of water quality in Baoji section of Weihe River are carried out by using single factor evaluation,section category proportion method,combined category proportion method and fuzzy comprehensive evaluation methods.Since 2018,Class IV water has been eliminated in Baoji section of Weihe River and kept at ClassⅢor better.The overall change trend from 2016 to 2021 is obviously improved.The water quality from good to bad is ranked as 2020,2021,2019,2018,2017 and 2016.The water quality in Baoji section of the Weihe River improved significantly during the 13th Five-Year Plan period.It is suggested that comprehensive measures be taken to promote the water quality of the Weihe River to remain stable and good during the 14th Five-Year Plan period.This research method is the key link to judge the river health condition and realize the recovery of river water ecological environment,and has the popularizing and applying value.
Water environment qualityevaluation studiesBaoji section of Weihe River
NETL
NSTL
万方数据
