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Nature-based solution enhances resilience to flooding and catalyzes multi-benefits in coastal cities in the Global South.
Dubois, Emmanuel; Cherif, Saleck Moulaye Ahmed; Abidine, Mohamed Mahmoud; Bah, Mohamed Fall Ould; Chenal, Jerome; Marshall, Montana; Oumarou, Wague; Grossiord, Charlotte; Perona, Paolo.
Afiliación
  • Dubois E; Platform of Hydraulic Constructions, Swiss Federal Institute of Technology in Lausanne (EPFL), Lausanne, Switzerland. Electronic address: emmanuel.dubois@epfl.ch.
  • Cherif SMA; Region de Nouakchott [Nouakchott City Hall], Nouakchott, Mauritania.
  • Abidine MM; Biodiversity and Plant Resources Valorization Unit, Faculty of Science and Technology - University of Nouakchott, Nouakchott, Mauritania.
  • Bah MFO; CEROS [Western Sahara research center], Nouakchott, Mauritania.
  • Chenal J; Excellence in Africa, Swiss Federal Institute of Technology in Lausanne (EPFL), Lausanne, Switzerland.
  • Marshall M; Platform of Hydraulic Constructions, Swiss Federal Institute of Technology in Lausanne (EPFL), Lausanne, Switzerland.
  • Oumarou W; Centre national de la ressource en eau (CNRE) [Mauritanian Water resource Survey], Nouakchott, Mauritania.
  • Grossiord C; Plant Ecology Research Laboratory, Swiss Federal Institute of Technology in Lausanne (EPFL), Lausanne, Switzerland; Functional Plant Ecology, Community Ecology Unit, Swiss Federal Institute for Forest, Snow and Landscape (WSL), Lausanne, Switzerland.
  • Perona P; Platform of Hydraulic Constructions, Swiss Federal Institute of Technology in Lausanne (EPFL), Lausanne, Switzerland.
Sci Total Environ ; 928: 172282, 2024 Jun 10.
Article en En | MEDLINE | ID: mdl-38614326
ABSTRACT
Coastal cities are facing a rise in groundwater levels induced by sea level rise, further triggering saturation excess flooding where groundwater levels reach the topographic surface or reduce the storage capacity of the soil, thus stressing the existing infrastructure. Lowering groundwater levels is a priority for sustaining the long-term livelihood of coastal cities. In the absence of studies assessing the possibility of using tree-planting as a measure of alleviating saturation excess flooding in the context of rising groundwater levels, the multi-benefit nature of tree-planting programs as sustainable Nature-based solutions (NBSs) in coastal cities in the Global South is discussed. In environments where groundwater is shallow, trees uptake groundwater or reduce groundwater recharge, thereby contributing to lower groundwater levels and increasing the unsaturated zone thickness, further reducing the risk of saturation excess flooding. Tree-planting programs represent long-term solutions sustained by environmental factors that are complementary to conventional engineering solutions. The multi-benefit nature of such NBSs and the expected positive environmental, economic, and social outcomes make them particularly promising. Wide social acceptance was identified as crucial for the long-term success of any tree-planting program, as the social factor plays a major role in addressing most weaknesses and threats of the solution. In the case of Nouakchott City (Mauritania), where a rise in groundwater levels has led to permanent saturation excess flooding, a tree-planting program has the potential to lower the groundwater levels, thereby reducing flooding during the rainy season.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Total Environ Año: 2024 Tipo del documento: Article Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Total Environ Año: 2024 Tipo del documento: Article Pais de publicación: Países Bajos