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Article

Sustainable Water Resources Management in an Arid Area Using a Coupled Optimization-Simulation Modeling

1
Faculty of Civil Engineering, University of Sistan and Baluchestan, Zahedan 9816745865, Iran
2
Department of Water management, Delft University of Technology, 2628 CN Delft, The Netherlands
3
Agricultural Economics, University of Sistan and Baluchestan, Zahedan 9816745845, Iran
*
Author to whom correspondence should be addressed.
Water 2020, 12(3), 885; https://doi.org/10.3390/w12030885
Received: 7 February 2020 / Revised: 10 March 2020 / Accepted: 16 March 2020 / Published: 21 March 2020
(This article belongs to the Special Issue Integrated Assessment of the Water–Energy–Land Nexus)
Severe water scarcity in recent years has magnified the economic, social, and environmental significance of water stress globally, making optimal planning in water resources necessary for sustainable socio-economic development. One of the regions that is most affected by this is the Sistan region and its Hamoun wetland, located in south-east Iran. Water policies are essential to sustain current basin ecosystem services, maintaining a balance between conflicting demands from agriculture and the protection of wetland ecosystems. In the present study, a multi-objective optimization model is linked with the Water Evaluation and Planning (WEAP) software to optimize water allocation decisions over multiple years. We formulate and parameterize a multi-objective optimization problem where the net economic benefit from agriculture and the supply of environmental requirements were maximized, to analyze the trade-off between different stakeholders. This problem is modeled and solved for the study area with detailed agricultural, socio-economic, and environmental data for 30 years and quantification of ecosystem services. By plotting Pareto sets, we investigate the trade-offs between the two conflicting objectives and evaluate a possible compromise. The results are analyzed by comparing purely economic versus multi-objective scenarios on the Pareto front. Finally, the disadvantages and advantages of these scenarios are also qualitatively described to help the decision process for water resources managers. View Full-Text
Keywords: water allocation; multi-objective optimization; ecosystem services; cropping pattern optimization; sustainable development; water-food-ecosystem-land nexus water allocation; multi-objective optimization; ecosystem services; cropping pattern optimization; sustainable development; water-food-ecosystem-land nexus
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MDPI and ACS Style

Farrokhzadeh, S.; Hashemi Monfared, S.A.; Azizyan, G.; Sardar Shahraki, A.; Ertsen, M.W.; Abraham, E. Sustainable Water Resources Management in an Arid Area Using a Coupled Optimization-Simulation Modeling. Water 2020, 12, 885. https://doi.org/10.3390/w12030885

AMA Style

Farrokhzadeh S, Hashemi Monfared SA, Azizyan G, Sardar Shahraki A, Ertsen MW, Abraham E. Sustainable Water Resources Management in an Arid Area Using a Coupled Optimization-Simulation Modeling. Water. 2020; 12(3):885. https://doi.org/10.3390/w12030885

Chicago/Turabian Style

Farrokhzadeh, Siamak, Seyed A. Hashemi Monfared, Gholamreza Azizyan, Ali Sardar Shahraki, Maurits W. Ertsen, and Edo Abraham. 2020. "Sustainable Water Resources Management in an Arid Area Using a Coupled Optimization-Simulation Modeling" Water 12, no. 3: 885. https://doi.org/10.3390/w12030885

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