The Spatial-Temporal Pattern and Source Apportionment of Water Pollution in a Trans-Urban River

被引：0

作者：

Zhang, Qianqian ^{[1
,2
]}

Wang, Xiaoke ^{[2
]}

Wan, Wuxing ^{[2
,3
]}

Hou, Peiqiang ^{[4
]}

Li, Ruida ^{[2
]}

Ouyang, Zhiyun ^{[2
]}

机构：

[1] Chinese Acad Geol Sci, Inst Hydrogeol & Environm Geol, Shijiazhuang 050061, Peoples R China

[2] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China

[3] Hebei Normal Univ, Coll Life Sci, Shijiazhuang 050016, Peoples R China

[4] Asia Pacific Inst Construct Scitech Informat, Beijing 100120, Peoples R China

来源：

POLISH JOURNAL OF ENVIRONMENTAL STUDIES | 2015年 / 24卷 / 02期

基金：

中国国家自然科学基金;

关键词：

water quality; urban river; spatial and temporal pattern of water quality; water pollution source apportionment; MULTIVARIATE STATISTICAL TECHNIQUES; QUALITY ASSESSMENT; SOURCE IDENTIFICATION; SURFACE; BASIN; CHEMOMETRICS; PARAMETERS; CHEMISTRY; INDIA;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Deteriorating water quality in urban areas has drawn wide interest in China. In our study, water quality was monitored monthly during December 2009-November 2011 from 16 sites located in a trans-urban river. The spatial pattern showed that the concentrations of EC, Ca2+, Me2+, BOD5, CODcr, TP, and NH4+-N were higher midstream and downstream than upstream, while measured pH and DO upstream were higher than measurements midstream and downstream. The temporal pattern showed that the concentrations of EC, TP, BOD5, NH4+-N, Mg2+, and Ca2+ in the wet season were lower than in the dry season, while the concentrations of CODcr in the wet season were higher than in the dry season. Receptor-based source apportionment revealed that most of the variables were influenced by domestic sewage, cropland, and woodland runoff pollution. Therefore, the best method to prevent water quality degradation is to manage the domestic sewage, cropland, and woodland runoff.

引用

页码：841 / 851

页数：11

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