Based on the meaning of river health reflecting the natural and social attributes, an index system for diagnosing the status of river health was constructed. This index system included three first-grade indexes,namely river morphology, river social economic function and river ecologic function, and 18 second-grade indexes. This paper chose multiobjective multilayer fuzzy model to diagnose the river health. It put forward the index standard characteristics value and gave the method to determine the index weight. Taking East River as an example, it diagnosed the river health by determining the index weight and value. The diagnosis result demonstrated that East River health is at the lower edge of good condition. The key factor that influenced the river health is the changed river morphology. It put forward the suggestion for river restoration.
WANG Shu-ying, WANG Hao, GAO Yong-sheng, YAN Yan
. Index System and Criteria for Diagnosing the Status of River Health[J]. JOURNAL OF NATURAL RESOURCES, 2011
, 26(4)
: 591
-598
.
DOI: 10.11849/zrzyxb.2011.04.005
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