Evaluation of the Impact of Groundwater Management Policies Under Climate and Economic Changes in Tunisia

Rania Soula, Ali Chebil, Rajouene Majdoub, Daniel Crespo, José Albiac and Taher Kahil
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Rania Soula: High Agronomic Institute of Chott Mariem, University of Sousse, Tunisia
Ali Chebil: ��National Research Institute for Rural Engineering, Water and Forestry (INRGREF), Tunisia
Rajouene Majdoub: High Agronomic Institute of Chott Mariem, University of Sousse, Tunisia
Daniel Crespo: ��School of Public Policy, University of California, Riverside, USA
José Albiac: �Agrifood Research and Technology Center, Government of Aragon, Saragossa, Spain¶International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria
Taher Kahil: �International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria

Water Economics and Policy (WEP), 2023, vol. 09, issue 01, 1-51

Abstract: This study develops a hydro-economic model for the coastal aquifer Mahdia Ksour Essef in Tunisia in order to analyze how external shocks (climate change, energy price increase) and management policies can affect groundwater sustainability during the coming decades. Twenty-one scenarios covering three management policies (free market, partial cooperation, and full cooperation policy) under various potential climate and economic changes are evaluated. The results of scenario simulations show the potential impact of energy soaring prices and climate change on the aquifer’s water table level, groundwater extractions, cropland areas, and farmers’ benefits under each policy option in the future. They also show that the best scenario to address the effects of climate change would need to take into account environmental externalities and efficient energy prices. The findings of this study are very important in the context of climate change and uncertain global energy markets and provide feasible alternatives to preserve the regional economy and aquifer sustainability.

Keywords: Groundwater management; climate change; energy use; cooperation; hydro-economic modeling; Tunisia (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1142/S2382624X23400052

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