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Delineating MAR Sites Using GIS-MCDA for Nuweiba Alluvial Fan Aquifer, Sinai, Egypt

Soliman, Karim ; Sallam, Osama M. ; Schüth, Christoph (2022):
Delineating MAR Sites Using GIS-MCDA for Nuweiba Alluvial Fan Aquifer, Sinai, Egypt. (Publisher's Version)
In: Water, 14 (3), MDPI, e-ISSN 2073-4441,
DOI: 10.26083/tuprints-00021030,
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Item Type: Article
Origin: Secondary publication DeepGreen
Status: Publisher's Version
Title: Delineating MAR Sites Using GIS-MCDA for Nuweiba Alluvial Fan Aquifer, Sinai, Egypt
Language: English
Abstract:

In the last few decades, groundwater has been the main water supply to the Nuweiba alluvial fan. However, currently, the main water supply is a desalination plant. The desalination plant might be vulnerable to malfunctions resulting in a severe drought. In addition, the aquifer type in the fan is coastal. Hence, replenishing the groundwater is necessary on a long-term basis to overcome drought events in the case of emergency. To replenish the groundwater using flash-flood water, a Managed Aquifer Recharge (MAR) system could be installed. This study applies the Geo-Information System–Multi-Criteria Decision Analysis (GIS-MCDA) method to delineate the feasible locations for installing a MAR system. To delineate the feasible MAR sites via a potential map, four steps were performed: problem definition, constraint mapping, suitability mapping, and sensitivity analysis. The results show that nearly 52% of the study area is suitable for installing MAR. Additionally, around 6% of the study area shows high potential for installing MAR, whereas nearly 20% falls under the moderate potential class. The potential map shows that the high-potential MAR sites are located at the western portion of the study area, near the ephemeral stream outlet. The map could be utilized as a tool for decision-makers to plan a future sustainable development strategy.

Journal or Publication Title: Water
Journal volume: 14
Issue Number: 3
Publisher: MDPI
Collation: 17 Seiten
Uncontrolled Keywords: water resources sustainability, arid climate coastal aquifer, MAR, GIS-MCDA
Classification DDC: 500 Naturwissenschaften und Mathematik > 550 Geowissenschaften
Divisions: 11 Department of Materials and Earth Sciences > Earth Science
Date Deposited: 08 Apr 2022 11:12
Last Modified: 08 Apr 2022 11:13
DOI: 10.26083/tuprints-00021030
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-210300
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/21030
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