Prioritization of Qanats Reconstruction by Using Network Analysis Process (ANP); Case Study South Khorasan

Document Type : Original Article

Authors

1 MSc. Water Resources Engineering, University of Birjand, Iran

2 Assistant Professor, Department of water Engineering, University of Birjand

3 Assistant Professor of Water Engineering, University of Birjand, Iran

Abstract

Extraction of groundwater system using qanats has been used for many years as it invented in the past, with minimum changes. No fundamental change has been performed to reconstruct of qanats along with the advancement of technology. On the other hand, the considerable sums from public funds are spending in order to restore and repair qanats every year. However due to lack of adequate information in this regard, qanats have been restored and repaired that have not been in the reconstruction priority. In this research, the reconstruction of qanats was investigated both in managerial and technical perspective. In any perspective, 10 qanats in the plain's group and 10 qanats in mountain's group are prioritized by using Network Analysis Process (ANP) and Super Decisions software. The used indices for qanats are discharge, length, depth, chemical water quality, precipitation and distance from the river, population and cultivation area. In this study, a new scientific method is introduced to prioritize the reconstruction of qanats. Also by the mentioned method used in this research, qanats that are in the prioritization of reconstruction can reach the desired discharge with allocation costs. In this research, in the ANP method, Boshrooyeh qanat in the plain group from two managerial and technical perspective with a weightage of 0.159 and 0.164 respectively and Darmian qanat in the mountain group from two managerial and technical perspective with a weightage of 0.247 and 0.202 respectively are in the prioritization of reconstruction

Keywords

References

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