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| 文章题目：Spatial variations of water quality in Dahuofang Reservoir and its joint rivers, and the relationship of water quality vetween river and reservoir (Liaoning Province). 和Eutrophication and spatial distribution of N, P and chlorophyll-a in the Taizihe River basin, Liaohe River Catchment |
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Spatial variations of water quality in Dahuofang Reservoir and its joint rivers, and the relationship of water quality between river and reservoir(Liaoning Province) Accession number: 20162702554040 Authors: Wang, Qiong 1 , 2 ; Li, Fayun 1 ; Fan, Zhiping 1 ; Hu, Yingying 3 ; Liu, Jie 4 ; Ju, Wenpeng 5 Author affiliations : 1 Institute of Eco-environmental Sciences, Liaoning Shihua University, Fushun; 113001, China 2 College of Resources and Environment, Hunan Agricultural University, Changsha; 410128, China 3 School of Environmental Science, Liaoning University, Shenyang; 110036, China 4 Fushun Authority of Liaoning Laotudingzi National Nature Reserve, Fushun; 113208, China 5 Fushun Institute of Forestry, Fushun; 113008, China Corresponding author: Li, Fayun (lifayun15@hotmail.com) Source title: Hupo Kexue/Journal of Lake Sciences Abbreviated source title: Hupo Kexue/J. Lake Sc. Volume: 28 Issue: 4 Issue date: June 6, 2016 Publication Year: 2016 Pages: 775-784 Language: Chinese ISSN: 10035427 Document type: Journal article (JA) Publisher: Science Press Abstract: Reservoir and its joint rivers have good space continuity, and the deterioration of the reservoir water was caused by the input polluted river. In this paper, water quality was examined in 61 sampling sites in Dahuofang Reservoir and its joint rivers. Cluster analysis and principle component analysis (PCA) were used to analyze the spatial characteristics and major pollutants of water quality both in the reservoir and its joint rivers. Cluster analysis showed that the reservoir can be divided into 3 typical areas including upstream, downstream and reservoir on the basis of the similarity water quality. PCA indicated that water quality in upstream and downstream were mainly both affected by ammonia, total nitrogen and CODCr. In reservoir area, it was mainly affected by temperature, pH, turbid, dissolve oxygen, conductivity ammonia and total nitrogen. Ammonia and total nitrogen both had significant impact on water quality in upstream, downstream and reservoir, with the concentration of ammonia was 0.06, 0.10 and 0.19 mg/L respectively, total nitrogen was 0.13, 0.16 and 0.26 mg/L respectively. Affected by the tributary inflow, the reservoir water quality had resulted in space difference, where Shehe bay is better than Hunhe bay. In Dahuofang Reservoir, the concentration of ammonia nitrogen and total nitrogen were negatively related with the distance to river bank. The concentration of dissolve oxygen and pH were negatively related with the distance to estuary. This indicated that the input amount of pollutant from joint riversand non-point source pollution around the reservoir had a certain effect on water quality of Dahuofang Reservoir. © 2016 by Journal of Lake Sciences. Number of references: 36 Main heading: River pollution Controlled terms: Ammonia - Cluster analysis - Nitrogen - Pollution - Principal component analysis - Quality control - Reservoirs (water) - Rivers - Water pollution - Water quality - Water resources Uncontrolled terms: Ammonia nitrogen - Liaoning Province - Non-point source pollution - Polluted rivers - Principle component analysis - Reservoir water quality - Spatial characteristics - Spatial variations Classification code: 441.2Reservoirs - 444Water Resources - 445.2Water Analysis - 453Water Pollution - 723Computer Software, Data Handling and Applications - 804Chemical Products Generally - 804.2Inorganic Compounds - 913.3Quality Assurance and Control - 922.2Mathematical Statistics DOI: 10.18307/2016.0410 Database: Compendex Compilation and indexing terms, © 2017 Elsevier Inc. |
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