PreprintArticleVersion 1Preserved in Portico This version is not peer-reviewed
Coupling of SWAT and WEAP Models for Quantifying Water Supply, Demand and Balance under Dual Impacts of Climate change and Socio-economic Development: A Case Study from Cauto River Basin, Cuba
Version 1
: Received: 19 April 2024 / Approved: 19 April 2024 / Online: 23 April 2024 (10:55:47 CEST)
How to cite:
Tran, B.C.; Tran, A.P.; Tran, D.H.; Nguyen, A.D.; Blanco, S.; Nguyen, N.A.; Le, T.H. Coupling of SWAT and WEAP Models for Quantifying Water Supply, Demand and Balance under Dual Impacts of Climate change and Socio-economic Development: A Case Study from Cauto River Basin, Cuba. Preprints2024, 2024041353. https://doi.org/10.20944/preprints202404.1353.v1
Tran, B.C.; Tran, A.P.; Tran, D.H.; Nguyen, A.D.; Blanco, S.; Nguyen, N.A.; Le, T.H. Coupling of SWAT and WEAP Models for Quantifying Water Supply, Demand and Balance under Dual Impacts of Climate change and Socio-economic Development: A Case Study from Cauto River Basin, Cuba. Preprints 2024, 2024041353. https://doi.org/10.20944/preprints202404.1353.v1
Tran, B.C.; Tran, A.P.; Tran, D.H.; Nguyen, A.D.; Blanco, S.; Nguyen, N.A.; Le, T.H. Coupling of SWAT and WEAP Models for Quantifying Water Supply, Demand and Balance under Dual Impacts of Climate change and Socio-economic Development: A Case Study from Cauto River Basin, Cuba. Preprints2024, 2024041353. https://doi.org/10.20944/preprints202404.1353.v1
APA Style
Tran, B.C., Tran, A.P., Tran, D.H., Nguyen, A.D., Blanco, S., Nguyen, N.A., & Le, T.H. (2024). Coupling of SWAT and WEAP Models for Quantifying Water Supply, Demand and Balance under Dual Impacts of Climate change and Socio-economic Development: A Case Study from Cauto River Basin, Cuba. Preprints. https://doi.org/10.20944/preprints202404.1353.v1
Chicago/Turabian Style
Tran, B.C., Nam Anh Nguyen and Thi Huong Le. 2024 "Coupling of SWAT and WEAP Models for Quantifying Water Supply, Demand and Balance under Dual Impacts of Climate change and Socio-economic Development: A Case Study from Cauto River Basin, Cuba" Preprints. https://doi.org/10.20944/preprints202404.1353.v1
Abstract
The Cauto River Basin (CRB), the heartland of Cuban agriculture, has been hit hard by drought and water shortage. In response to this pressing issue, this study provides a comprehensive as-sessment of water supply, demand and balance within the Cauto River Basin, considering the baseline and projected socio-economic and climatic conditions by coupling of SWAT and WEAP models. The obtained results reveal that the annual flow in the CRB is projected to slightly de-crease (2.5%) in which the reduction in the rainy season (3.1%) is higher than that in the dry sea-son (1.3%). Total water demand in the baseline scenario is around 1.194 billion m3, dominated by agriculture (96%), with rice crop requiring nearly half. For the future scenario of 2050, the study shows a 16.6% surge in demand to 1.394 billion m3, driven by climate change and agricultural expansion. However, domestic use decreases by 10% due to population reduction. Water deficit in the future is projected to increase by 52% from 172.4 to 262.7 million m3 due to rising water demand and declining water supply. This study shows that integrating a hydrological model into a water allocation model is a promising approach to estimate the water supply, demand and balance, which is a crucial component of water resources management.
Keywords
Water resources management; water shortage; climate change; water allocation
Subject
Environmental and Earth Sciences, Water Science and Technology
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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