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《Acta Geographica Sinica》 1986-03
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REGIONAL RIVER WATER QUALITY FUZZY CLUSTER ANALYSIS

Tang Yijian (Institute of Geography, Academia Sinica)  
Begional river water quality is a comprehensive reflection of environmental characteristics and human socio-economic activities. Though it is very complicated and quite fuzzy, yet its space distribution and composition obey some rules. In this paper, fuzzy cluster analysis is used to distinguish river water quality in Beijing-Tianjin-Tangshan area. Then a dynamic fuzzy cluster tree was drawn up, by fuzzy matrix multiple calculation. After determining a proper threshold, i.e. value \, according to actual condition, an objective classification of river water quality was obtained. The result was compared with those obtained by systematic classification, the former reveals interdependency between different environmental factors.
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【References】
Chinese Journal Full-text Database 2 Hits
1 Tang Yijian Institute of Geography, Chinese Academy of Sciences;WATER QUALITY TYPES AND ITS CHANGES IN URUMQI AREA[J];Journal of Arid Land Resources & Environment;1992-02
2 ;The Application of SPSS Fuzzy Clustering Analysis on Water Quality Monitoring Sections[J];Instrumentation Analysis Monitoring;2007-04
【Co-references】
Chinese Journal Full-text Database 4 Hits
1 Dong Yawen He Guoyu Qian Junlong Quan Lili (Nanjing Institute of Geography,Academia Sinica) Ma Xingfa Zhang Shuiming (Nanjing Institute of Soil Science,Academia Sinica);SYSTEMS ANALYSIS OF ENVIRONMENTAL QUALITY[J];Scientia Geographica Sinica;1981-01
2 FU Yongfeng1, SHEN Bing1 , GUAN Donghai2, LUO Guangming3 (1 Xian University of Technology, Xian 710048; 2 Xinjiang Academy of Water Resources and Hydropower, Urumchi 830049; 3 Hotan survey bureau of hydrology and water resources, Xinjiang Hotan, 848000);Application of fuzzy synthetic clustering method on Hetian grourdwater quality evaluation[J];Groundwater;2003-03
3 Zheng Jiaxiang, Ying Longgen (Institute of Environmental Science, East China Normal University) Shen Yukang (Department of Chemical Engineering, Institute of Chemical Technology, Jilin);REGIONAL ENVIRONMENTAL QUALITY ASSESSMENT AND FUZZY CLUSTER ANALYSIS[J];Acta Scientiae Circumstantiae;1984-03
4 YUAN Dong , FU Da-you (Material and Chemical Engineering Dept.,Sichuan Institute of Light Ind.& Chem.Tech.,Zigong 643033,China);Application of Cluster Analysis to Water Environment Quality Assessment[J];Journal of Sichuan Institute of Light Industry and Chemical Technology;2003-03
【Secondary References】
Chinese Journal Full-text Database 2 Hits
1 Zhang Jinhua(Pinghu Environmental Monitoring Station,Pinghu 314200);DYNAMIC STUDY ON QUICK DETERMINATION OF BOD BY RAISING THE TEMPERATURE[J];CHONGQING ENVIRONMENTAL SCIENCE;1995-01
2 Zan Shaoping Zhu Ying (Urumqi Botanic Garden, Urumqi, Xinjiang, 830011);Water Saving Question on Greening Barren Hill around Urumqi[J];ARID ZONE RESEARCH;2000-01
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