Adaptation to Climate Change in Basins within the Context of the Water-Energy-Food Nexus

Jander, Vicente; VICUNA-DIAZ, SEBASTIAN; Melo, Oscar; Lorca, Alvaro


This study uses a water-food-energy nexus model, which connects water-based productive activities and allocation policies, to simulate water resources management strategies for adapting the Maule Basin in Chile to climate change impacts. Two strategies are considered: introducing linear hedging rules to a reservoir and establishing adaptative water rights linked to irrigation efficiency of crops in the area. The simulations are run over 14 different climatic scenarios that project different water availability conditions. A multiobjective optimization of environmental, agricultural, and energy outcome indicators is conducted to generate noninferior portfolios that combine the strategies proposed. Simulation results, though limited to a deterministic approach and pessimistic climate scenarios, show that 79 out of the 84 combinations of objective-scenarios increase their performance because of the strategies, with notable increases in agricultural resilience (64%), outflow (92%), and total benefits (26%). We find considerable trade-offs between the food/energy production and water outflow, alongside agricultural vulnerability and resilience.

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Título según WOS: ID WOS:001068184900005 Not found in local WOS DB
Título según SCOPUS: ID SCOPUS_ID:85170532999 Not found in local SCOPUS DB
Título de la Revista: Journal of Water Resources Planning and Management
Volumen: 149
Editorial: Society of Laparoendoscopic Surgeons
Fecha de publicación: 2023