Research of Urban River Health Assessment Model
Journal of Water Resources and Ocean Science
Volume 5, Issue 4, August 2016, Pages: 47-52
Received: Jul. 6, 2016; Accepted: Jul. 15, 2016; Published: Aug. 3, 2016
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Zhang Yuhua, College of Water Conservancy, Yellow River Conservancy Technical Institute, Kaifeng, China
Han Xiaoyu, College of Water Conservancy, Yellow River Conservancy Technical Institute, Kaifeng, China
Jin Congcong, Institute of Earthquake Engineering, Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian, China
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Urban river health is the important symbol of the sustaining development of a city. Using the comprehensive index assessment method, some indicators were selected to characterize the main features and functions of urban river health to establish a comprehensive model for evaluating urban river health. These indicators included four aspects: landscape environment, natural features, environmental features and socioeconomic. Total of them are 22 indicators. And the evaluation criteria were ascertained. Projection pursuit and variable fuzzy theory method were used to determine the weight of the indicators and the comprehensive assessment model was also built. This thesis discussed the issues of the urban river health situation of Jialu river, an urban river in Zhengzhou city. The evaluation results (0.23, 0.327, 0.245, 0.198) show that the Jialu river is in sub healthy state. Based on the health assessment results of Jialu river and evaluation score of each indicator, the limiting factors were ascertained that affect the urban river health. The calculated results are consistent with the actual situation, which shows the practicability and rationality of the method. The assessment model can provide reference for urban rivers health.
Urban River Health, Index System, Projection Pursuit Method, Variable Fuzzy Set Theory
To cite this article
Zhang Yuhua, Han Xiaoyu, Jin Congcong, Research of Urban River Health Assessment Model, Journal of Water Resources and Ocean Science. Vol. 5, No. 4, 2016, pp. 47-52. doi: 10.11648/j.wros.20160504.11
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