摘要
运用数理统计方法,分析银川市6条主要入黄排水沟2013~2017年水环境质量特征,解析时空差异、辨识污染源及关键污染因子。结果表明:2013~2017年,银川市6条主要入黄排水沟水质整体为劣V类且时空差异显著。其中,四二干沟、灵武干沟与第二排水沟的污染主要来源于生活、农业与工业中的营养盐与石油类物质;银新干沟污染主要来源于工业及农业中的好氧有机物、石油类与营养盐;永二干沟污染主要来源于工业中的好氧有机物、石油类与表面活性剂;永宁中干沟污染主要来源于农业及工业中的氨氮、石油类与表面活性剂污染。通过对银川市水质的时空演变特征的分析以及污染物来源的识别,以期为改善银川市水环境污染问题提供一定的理论依据。
The mathematical and statistical methods were used to analyze the water environmental quality characteristics of six main Yellow River drainage ditches in Yinchuan from 2013 to 2017.The differences of time and space,identification of pollution sources and key pollution factors of the Yellow River drainage ditches in Yinchuan were analyzed in this study.The results show that the water quality of the six main drainage ditches in Yinchuan from 2013 to 2017 is inferior V with significant differences in time and space.The pollution of Sier Gangou,Lingwu Gangou and the second drainage ditch mainly comes from the pollution of nutrients and petroleum in municipal,agriculture and industry.The pollution of Yinxin Gangou mainly comes from the pollution of aerobic organic matter,petroleum and nutrients in industry and agriculture.The pollution of Yonger Gangou mainly comes from the pollution of aerobic organic matter,petroleum and surfactant in industry.The main sources of pollution in Yongning middle dry ditch are ammonia nitrogen,petroleum and surfactant pollution caused by agriculture and industry.By analyzing and identifying the temporal and spatial evolution characteristics of water quality and the source of pollutants in Yinchuan,this paper aims to provide a theoretical basis for improving the targeted solution of water environmental pollution in Yinchuan.
作者
刘长风
朱文飞
高红杰
靳方园
高晓波
LIU Changfeng;ZHU Wenfei;GAO Hongjie;JIN Fangyuan;GAO Xiaobo(School of Environmental Science and Safety Engineering,Shenyang University of Chemical Technology,Shenyang 110142;Chinese Academy of Environmental Sciences,Beijing 100012;Ningxia Academy of Environmental Sciences,Ningxia 750000)
出处
《环境保护科学》
CAS
2019年第4期87-94,共8页
Environmental Protection Science
基金
自治区环保专项资金科研项目
中央级公益性科研院所基本科研业务专项(2017YSKY-006)
关键词
入黄排水沟
水环境质量特征
污染源
银川
Gutter of Inflow to the Yellow River
Water Environment Quality Characteristics
Pollution Source
Yinchuan
