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Article

Comparison of Multicriteria Decision-Making Techniques for Groundwater Recharge Potential Zonation: Case Study of the Willochra Basin, South Australia

1
Centre for Scarce Resources and Circular Economy (ScaRCE), UniSA STEM, University of South Australia, Mawson Lakes, Adelaide, SA 5095, Australia
2
Geology Department, Division of Water Resource, Desert Research Center, Mathaf El Matariya Street, Cairo 11753, Egypt
3
King Abdulaziz City for Science and Technology (KACST), King Abdullah Road, Riyadh 11442, Saudi Arabia
*
Author to whom correspondence should be addressed.
Academic Editors: José Roldán-Cañas and María Fátima Moreno-Pérez
Water 2021, 13(4), 525; https://doi.org/10.3390/w13040525
Received: 19 December 2020 / Revised: 12 February 2021 / Accepted: 12 February 2021 / Published: 18 February 2021
(This article belongs to the Special Issue Water and Irrigation Management in Arid and Semiarid Zones)
In semi-arid regions, groundwater resources play a crucial role in all economic, environmental, and social processes. However, the occurrence, movement, and recharge of these hidden and valuable resources vary from place to place. Therefore, better management practices and mapping of groundwater recharge potential zones are needed for the sustainable groundwater resources. For an example, groundwater resources in Willochra Basin are vitally important for drinking, irrigation, and stock use. This study shows the significance of the application of three decision-making approaches, including multi-influencing factor, analytical hierarchy process, and frequency ratio techniques in the identification of groundwater potential zones. A total of seven criteria, including lithology, slope, soil texture, land-use, rainfall, drainage density, and lineament density, were extracted from conventional and remote sensing data sources. The parameters and their assigned weights were integrated using Geographic Information System (GIS) software to generate recharge potential maps. The resultant maps were evaluated using the area under the curve method. The results showed that the southern regions of the Willochra Basin are more promising for groundwater recharge potential. The map produced using the frequency ratio model was the most efficient (84%), followed by the multi-influencing factor model (70%) and then the analytical hierarchy process technique (62%). The area under the curve method agreed when evaluated using published weights and rating values. View Full-Text
Keywords: multicriteria decision-making; geographic information systems; water resources; groundwater recharge multicriteria decision-making; geographic information systems; water resources; groundwater recharge
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MDPI and ACS Style

Ahmed, A.; Ranasinghe-Arachchilage, C.; Alrajhi, A.; Hewa, G. Comparison of Multicriteria Decision-Making Techniques for Groundwater Recharge Potential Zonation: Case Study of the Willochra Basin, South Australia. Water 2021, 13, 525. https://doi.org/10.3390/w13040525

AMA Style

Ahmed A, Ranasinghe-Arachchilage C, Alrajhi A, Hewa G. Comparison of Multicriteria Decision-Making Techniques for Groundwater Recharge Potential Zonation: Case Study of the Willochra Basin, South Australia. Water. 2021; 13(4):525. https://doi.org/10.3390/w13040525

Chicago/Turabian Style

Ahmed, Alaa; Ranasinghe-Arachchilage, Chathuri; Alrajhi, Abdullah; Hewa, Guna. 2021. "Comparison of Multicriteria Decision-Making Techniques for Groundwater Recharge Potential Zonation: Case Study of the Willochra Basin, South Australia" Water 13, no. 4: 525. https://doi.org/10.3390/w13040525

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