摘要
依据2014—2021年水质监测资料,选取资料齐全的13个断面,对云南境内南盘江流域水质现状及变化趋势进行分析评价。结果显示,监测断面水体类别以《GB 3838-2002地表水环境质量标准》中Ⅰ~Ⅲ类水质为主,其中龚家坝断面全年污染最严重,狗街断面在2020—2021年污染以Ⅴ类和劣Ⅴ类水质为主。花山水库入口断面2015—2017年水质类别为Ⅱ类,未达到目标水质,其余断面水质类别均达到目标水质标准。总磷为该流域主要超标项目,氨氮次之,生活污水和农业生产污染是造成南盘江流域水质污染的主要因素。
Based on the water quality monitoring data from 2014 to 2021,this paper selected 13 monitoring sections with complete data to analyze and evaluate the water quality status and change trend of Nanpan River in Yunnan Province.The results showed that the water quality of the monitoring section was mainly class I~III water quality specified in the environmental quality standard for surface water(GB3838-2002).Among them,Gongjiaba section was the most polluted in the whole year.From 2020 to 2021,the pollution of Goujie section was mainly class V and inferior to class V.The water quality of the entrance section of Huashan reservoir from 2015 to 2017 was classified as class II,which failed to meet the target water quality.The water quality of other sections met the target water quality standard.Total phosphorus was the main item exceeding the standard in the basin,followed by ammonia nitrogen.Domestic sewage and agricultural production pollution were the main factors causing water pollution in the Nanpan River Basin.
作者
林益超
崔祥芬
朱彬
颜溪鸣
司美艳
黄建洪
杨春艳
邓晓庆
LIN Yi-chao;CUI Xiang-fen;ZHU Bin;YAN Xi-ming;SI Mei-yan;HUANG Jian-hong;YANG Chun-yan;DENG Xiao-qing(College of Environmental Science and Engineering,Kunming University of Science and Technology,Kunming Yunnan 650031,China;不详)
出处
《环境科学导刊》
2023年第3期68-72,共5页
Environmental Science Survey
关键词
南盘江(云南段)
总磷
氨氮
水质变化趋势
水环境评价
Nanpan River(Yunnan section)
total phosphorus
ammonia nitrogen
water quality change trend
water environment assessment
