Application of combination weighting method on benefit evaluation of water saving improvement in irrigation districts

Wang Shuji; Fei Liangjun; Lei Yanbin; Tan Wei

Volume 24 Issue 12

Dec. 2008

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Abstract

Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE) > 2008 > 24(12): 48-51.

Wang Shuji, Fei Liangjun, Lei Yanbin, Tan Wei. Application of combination weighting method on benefit evaluation of water saving improvement in irrigation districts[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2008, 24(12): 48-51.

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Application of combination weighting method on benefit evaluation of water saving improvement in irrigation districts

1.
Key Lab of Northwest Water Resources and Environment Ecology of Ministry of Education, Xi’an University of Technology, Xi’an 710048, China
2.
College of Hydraulic and Electric Power, Hebei Engineering University, Handan 056021, China
3.
Office of Guanzhong Irrigation Improvement Project by World Bank Loan of Shaanxi province, Xi’an 710032, China

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Received Date: May 31, 2007
Revised Date: October 28, 2008
Published Date: December 30, 2008

Graphical Abstract

Abstract

Abstract

In order to determine index weights reasonably on post-evaluation of water saving improvement in large-scale irrigation districts, thus scientifically evaluating the benefit of water saving improvement, index weights were calculated by combination weighting method based on unitization constraint conditions. And that method was applied to benefit evaluation of water saving improvement in Shaanxi Guanzhong irrigation districts. The results show the combination weighting method based on unitization constraint conditions can give consideration for both subjective and objective influencing factors, comparing with simple subjective weighting method or objective weighting method and other combination weighting methods. The combination weighting method is scientific and easy, and has better practicability.

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