A Multi-criteria VIKOR Model for Assessment of Flood-Management Options

Document Type : Original Article

Authors

1 PhD of Civil Engineering, Water Engineering, Assistant professor, University of Tehran, Iran.

2 M.Sc. Student, Water resources Engineering, Irrigation & Drainage Engineering Department,

Abstract

In this paper, VIKOR model is used to rank seven flood management options in Gorganrood River, including: conservation of natural condition, Golestan reservoir management, levee construction, diversions-channel construction, flood forecasting and warning system, flood insurance, and integration of flood warning system and flood insurance. Then it is compared with the result of simple additive weighted model. The flood management project is ranked based on eleven criteria including: expected average number of casualties, recovery rate, gradual rate, expected annual damage, safety feeling, employment rate, public participation, landscape protection, wildlife habitat conservation, water quality conservation and technical feasibility and performance. The results show that VIKOR model emphasize economical, technical and social criteria by decreasing the maximum group utility. On the other hand, increasing the maximum group utility will increase sensitivity of VIKOR model against its parameter. This model has less sensitivity to changes in criteria weights but not in economical and technical criteria. VIKOR model due to emphasizing social criteria is recommended for ranking flood management options in this article.

Keywords


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