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Application of Composite Water Quality Identification Index on the water quality evaluation in spatial and temporal variations: a case study in Honghu Lake, China
Ban, Xuan1; Wu, Qiuzhen2; Pan, Baozhu3,4; Du, Yun1; Feng, Qi1
2014-07-01
Source PublicationENVIRONMENTAL MONITORING AND ASSESSMENT
ISSN0167-6369
Volume186Issue:7Pages:4237-4247
AbstractComposite Water Quality Identification Index (CWQII) and multivariate statistical techniques were used to investigate the temporal and spatial variations of water quality in Honghu Lake. The aims are to explore the characteristics of water quality trends in annual, monthly, and site spatial distribution and to identify the main pollution factors. The results showed that the values of CWQII increased from 2.0 to 4.0 from the years 2001 to 2005, then decreased from 2006 and kept a balance between 2.0 and 3.0 from 2006 to 2011, indicating that the water quality of Honghu Lake deteriorated from 2001 to 2005 and has gradually improved since 2006, which were likely achieved after water protection measurements taken since 2004. The monthly change rules of water quality were influenced by a superposition of natural processes and human activities. In samples numbered 1-9 from upstream to downstream, the maximum values of CWQII often occurred in sample site 9 while the minimum ones often occurred in sample site 2, indicating that the water quality near the upstream tributary was the poorest and that in the core zone was the best. Incoming water from the trunk canal of the Sihu area upstream was the largest pollution source. The sensitive pollution nutrients were mainly caused by the total nitrogen, followed by the total phosphorus.
SubtypeArticle
KeywordHonghu Lake Composite Water Quality Identification Index Spatial And Temporal Box Plots Correlation With Algal Bloom
DOI10.1007/s10661-014-3694-9
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000337030000022
WOS KeywordPOLLUTION ; SEDIMENT ; OXYGEN ; TEMPERATURE ; BOXPLOT ; WETLAND
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20319
Collection淡水生态学研究中心_期刊论文
Affiliation1.Chinese Acad Sci, Inst Geodesy & Geophys, Key Lab Monitoring & Estimate Environm & Disaster, Wuhan, Peoples R China
2.Hubei Prov Environm Monitor Ctr JingZhou City, Jinzhou, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
4.Changjiang River Sci Res Inst, Wuhan 430010, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Ban, Xuan,Wu, Qiuzhen,Pan, Baozhu,et al. Application of Composite Water Quality Identification Index on the water quality evaluation in spatial and temporal variations: a case study in Honghu Lake, China[J]. ENVIRONMENTAL MONITORING AND ASSESSMENT,2014,186(7):4237-4247.
APA Ban, Xuan,Wu, Qiuzhen,Pan, Baozhu,Du, Yun,&Feng, Qi.(2014).Application of Composite Water Quality Identification Index on the water quality evaluation in spatial and temporal variations: a case study in Honghu Lake, China.ENVIRONMENTAL MONITORING AND ASSESSMENT,186(7),4237-4247.
MLA Ban, Xuan,et al."Application of Composite Water Quality Identification Index on the water quality evaluation in spatial and temporal variations: a case study in Honghu Lake, China".ENVIRONMENTAL MONITORING AND ASSESSMENT 186.7(2014):4237-4247.
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