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Article

Using AHP and Spatial Analysis to Determine Water Surface Storage Suitability in Cambodia

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Department of Civil, Construction, and Environmental Engineering, Iowa State University, Ames, IA 50011, USA
2
Department of Civil and Environmental Engineering, Auburn University, 238 Harbert Engineering Center, Auburn, AL 36849, USA
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Author to whom correspondence should be addressed.
Academic Editor: Luís Filipe Sanches Fernandes
Water 2021, 13(3), 367; https://doi.org/10.3390/w13030367
Received: 21 December 2020 / Revised: 24 January 2021 / Accepted: 26 January 2021 / Published: 31 January 2021
(This article belongs to the Section Hydrology)
Cambodia suffers from devastating droughts in the dry season and floods in the wet season. These events’ impacts are further amplified by ineffective water resources infrastructure that cannot retain water during the dry season. Water harvesting (the collection and management of floodwater or rainwater runoff to increase water supply for domestic and agricultural use) is an approach that could improve Cambodia’s resiliency against droughts and floods. Despite the known benefits of water harvesting, there are currently few studies on water harvesting suitability in Cambodia. This research argues that suitable water harvesting sites can be identified by combining various expertise and evaluating hydrologic site conditions. Thirty-one local and USA water infrastructure experts made pairwise comparisons between essential engineering criteria: soil drainage, geologic porosity, precipitation, land cover, and slope. Then, model weights were calculated based on the comparisons. Using the model weights, a water harvesting suitability model showed that 19% of Cambodian land has high suitability, and about 13% of the land has the best suitability. This water harvesting model can help guide future water infrastructure projects to improve climate resiliency by identifying suitable sites for water harvesting reservoirs. View Full-Text
Keywords: water harvesting; water resources; disaster management; flooding; drought water harvesting; water resources; disaster management; flooding; drought
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MDPI and ACS Style

Ward, M.; Poleacovschi, C.; Perez, M. Using AHP and Spatial Analysis to Determine Water Surface Storage Suitability in Cambodia. Water 2021, 13, 367. https://doi.org/10.3390/w13030367

AMA Style

Ward M, Poleacovschi C, Perez M. Using AHP and Spatial Analysis to Determine Water Surface Storage Suitability in Cambodia. Water. 2021; 13(3):367. https://doi.org/10.3390/w13030367

Chicago/Turabian Style

Ward, Michael, Cristina Poleacovschi, and Michael Perez. 2021. "Using AHP and Spatial Analysis to Determine Water Surface Storage Suitability in Cambodia" Water 13, no. 3: 367. https://doi.org/10.3390/w13030367

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