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| Título : | Mapping of potential sites for rainwater harvesting structures using GIS and MCDM approaches : Case study of the Toudgha watershed, Morocco |
| Autor : | Lamya Ouali
Mohammed Hssaisoune
Lahcen Kabiri
Moulay M’hamed Slimani
Kamal El Mouquaddam
Mustapha Namous
Abdelkrim Arioua
Asma Ben Moussa
Hanane Benqlilou
Lhoussaine Bouchaou |
| Fecha de publicación : | 2022 |
| Citación : | Euro-Mediterranean Journal for Environmental Integration, p. 1-16 |
| Resumen : | The Toudgha watershed, located in southeastern Morocco, is characterized by an arid climate and an erratic spatiotemporal
rainfall distribution. In this area, rainwater harvesting structures play a considerable role in water supply application and
ensure integrated water management. The main aim of this work was to develop water mobilization construction plans based
on multi-criteria analysis in order to optimize the selection of sites for rainwater harvesting structures. Several criteria that
control the availability of rainwater harvesting structure construction were selected and analyzed using remote sensing,
geographic information systems, and the analytical hierarchy process, and were integrated in order to weight the influence
of the selected criteria. As a result, and based on the multi-criteria decision maker, the potential areas were mapped and
classified on the basis of their suitability for rainwater harvesting structure construction. Available areas for water harvesting
systems accompanying agricultural activities and ecological tourism cover 87.72% of the total area of the watershed.
Suitable zones for groundwater recharge due to fracture permeability were estimated to comprise about 12.35% of the total
area of the watershed. Potential sites for rainwater harvesting structures, especially hill dams, account for 5.93% of the total
area. The suitability of hill dams construction was confirmed by evaluating the storage capacities of four proposed dams.
The results of this study provide decision makers with a useful map for water mobilization planning aimed at providing an
additional water supply for various uses. |
| License: | http://andzoa.ma/fr |
| URI : | http://localhost:8080/dspace/handle/0/3789 |
| Aparece en las colecciones: | Fonds Documentaire
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