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Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis

WANG Jianhua LU Xianguo TIAN Jinghan JIANG Ming

WANG Jianhua, LU Xianguo, TIAN Jinghan, JIANG Ming. Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis[J]. 中国地理科学, 2008, 18(4): 361-368. doi: 10.1007/s11769-008-0361-5
引用本文: WANG Jianhua, LU Xianguo, TIAN Jinghan, JIANG Ming. Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis[J]. 中国地理科学, 2008, 18(4): 361-368. doi: 10.1007/s11769-008-0361-5
WANG Jianhua, LU Xianguo, TIAN Jinghan, JIANG Ming. Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis[J]. Chinese Geographical Science, 2008, 18(4): 361-368. doi: 10.1007/s11769-008-0361-5
Citation: WANG Jianhua, LU Xianguo, TIAN Jinghan, JIANG Ming. Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis[J]. Chinese Geographical Science, 2008, 18(4): 361-368. doi: 10.1007/s11769-008-0361-5

Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis

doi: 10.1007/s11769-008-0361-5
基金项目: Under the auspices of National Natural Science Foundation of China (No. 40830535);Knowledge Innovation Program of Chinese Academy of Sciences (No. KSCX2-YW-N-46-06)
详细信息
    通讯作者:

    LU Xianguo. E-mail: luxg@neigae.ac.cn

Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis

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出版历程
  • 收稿日期:  2008-03-10
  • 修回日期:  2008-07-23
  • 刊出日期:  2008-12-20

Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis

doi: 10.1007/s11769-008-0361-5
    基金项目:  Under the auspices of National Natural Science Foundation of China (No. 40830535);Knowledge Innovation Program of Chinese Academy of Sciences (No. KSCX2-YW-N-46-06)
    通讯作者: LU Xianguo. E-mail: luxg@neigae.ac.cn

摘要: In order to improve the effectiveness of Fuzzy Synthetic Evaluation (FSE) models, a Parameter Correlation Analysis (PCA) was introduced into the FSE and a case study was carried out in the Naoli River in the Sanjiang Plain, Northeast China. The basic principle of the PCA is that the pairs of parameters which are highly correlated and linear with each other would contribute the same information to an assessment and one of them should be eliminated. The method of the PCA is that a correlation relationship among candidate parameters is examined before the FSE. If there is an apparent nonlinear or curvilinear relationship between two parameters, then both will be retained; if the correlation is significant (p<0.01), and the scatter plot suggests a linear relationship, then one of them will be deleted. However, which one will be deleted? For solving this problem, a sensitivity test was conducted and the higher sensitivity parameters remained. The results indicate that the original data should be preprocessed through the PCA for redundancy and variability. The study shows that introducing the PCA into the FSE can simplify the FSE calculation process greatly, while the results have not been changed much.

English Abstract

WANG Jianhua, LU Xianguo, TIAN Jinghan, JIANG Ming. Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis[J]. 中国地理科学, 2008, 18(4): 361-368. doi: 10.1007/s11769-008-0361-5
引用本文: WANG Jianhua, LU Xianguo, TIAN Jinghan, JIANG Ming. Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis[J]. 中国地理科学, 2008, 18(4): 361-368. doi: 10.1007/s11769-008-0361-5
WANG Jianhua, LU Xianguo, TIAN Jinghan, JIANG Ming. Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis[J]. Chinese Geographical Science, 2008, 18(4): 361-368. doi: 10.1007/s11769-008-0361-5
Citation: WANG Jianhua, LU Xianguo, TIAN Jinghan, JIANG Ming. Fuzzy Synthetic Evaluation of Water Quality of Naoli River Using Parameter Correlation Analysis[J]. Chinese Geographical Science, 2008, 18(4): 361-368. doi: 10.1007/s11769-008-0361-5

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