Application of Ordered Weighted Average (OWA) for Producing Map of Suitable Groundwater Recharge Zones in Salafchegan Plain, Iran

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Mirakhorlo m.s.; RAHIMZADEGAN M.

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Journal: IRAN-WATER RESOURCES RESEARCH Year:2019 | Volume:15 | Issue:2 Page(s): 291-305

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Title

Application of Ordered Weighted Average (OWA) for Producing Map of Suitable Groundwater Recharge Zones in Salafchegan Plain, Iran

Author(s)

Mirakhorlo m.s. | RAHIMZADEGAN M. | Issue Writer Certificate

Keywords

Multi-Criteria EvaluationQ1

Ordered Weighted Average (OWA)Q1

Geographic Information Systems (GIS)Q3

Artificial Groundwater RechargeQ1

Abstract

Due to the depletion of groundwater resources in dry climates, establishing an effective procedure to delineate Artificial Groundwater Recharge zones is of great importance. The objective of this study was to apply Ordered Weighted Average (OWA) Multi-Criteria Evaluation method and fuzzification of layers to produce suitability maps of Salafchegan study area located in Qom province. To do this, different data layers including observation wells data, soil maps and reports, Digital Elevation Model and landsat-8 OLI, were used. Different ordered weights with different tradeoff (four procedures) were used to create suitability maps. Finally, by using a land-use filter as well as applying condition of proximity to tributaries and lineaments, few zones were indicated as the selected groundwater recharge zones. The riskaverse procedures (first and third procedures) did not introduce any suitable site for groundwater recharge. However, the second and fourth procedures did suggest 11 and 25 zones, respectively. To assess correlations of the information layers and results, principal components analysis was used. Results suggested that the slope and infiltration layers have strong positive correlation (more than 75%) and the electrical conductivity (EC) has a negative correlation with other layers (more than 50%).

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APA: Copy

Mirakhorlo, m.s., & RAHIMZADEGAN, M.. (2019). Application of Ordered Weighted Average (OWA) for Producing Map of Suitable Groundwater Recharge Zones in Salafchegan Plain, Iran. IRAN-WATER RESOURCES RESEARCH, 15(2 ), 291-305. SID. https://sid.ir/paper/100238/en

Vancouver: Copy

Mirakhorlo m.s., RAHIMZADEGAN M.. Application of Ordered Weighted Average (OWA) for Producing Map of Suitable Groundwater Recharge Zones in Salafchegan Plain, Iran. IRAN-WATER RESOURCES RESEARCH[Internet]. 2019;15(2 ):291-305. Available from: https://sid.ir/paper/100238/en

IEEE: Copy

m.s. Mirakhorlo, and M. RAHIMZADEGAN, “Application of Ordered Weighted Average (OWA) for Producing Map of Suitable Groundwater Recharge Zones in Salafchegan Plain, Iran,” IRAN-WATER RESOURCES RESEARCH, vol. 15, no. 2 , pp. 291–305, 2019, [Online]. Available: https://sid.ir/paper/100238/en

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