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Division and Application of Ecological Hydrological Zones Based on TOPSISFS

PAN Ni,LIANG Chuan(College of Hydraulic and Hydra-electric Engineering of Sichuan University,Chengdu 610065)  
The ecological-based hydrological zoning plays an important role in easing the conflict between water resource developing and ecological environment protection.An ecological-based hydrological zoning index system and a TOPSISFS based on fuzzy system are set up by referring to social,natural,economic and ecological environment considerations relative to hydrological zoning.The index system and TOPSISFS are used to divide Yunnan Province into four ecological-based hydrological zones,and such division basically complies with the functions of ecological environment within the area,providing some scientific references for regional ecological construction and environmental protection.In addition,the method has application potential thanks to its clear concept and simple calculation procedure.
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