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Article

Analysis of Operational Changes of Tarbela Reservoir to Improve the Water Supply, Hydropower Generation, and Flood Control Objectives

1
Department of Civil and Environmental Engineering, University of Utah, Salt Lake City, UT 84112, USA
2
U.S.-Pakistan Center for Advanced Studies in Water, Mehran University of Engineering and Technology, Jamshoro City, Sindh 76062, Pakistan
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(18), 7822; https://doi.org/10.3390/su12187822
Received: 30 August 2020 / Revised: 8 September 2020 / Accepted: 14 September 2020 / Published: 22 September 2020
In this study, a model was created with the Water Evaluation and Planning (WEAP) System and used to explore the benefits of altering the operations of Tarbela Dam in terms of reliability, resilience, and vulnerability (RRV) for the three objectives of irrigation supply, hydropower generation, and flood control. Sensitivity analysis and logical reasoning with operators identified a feasible operational rule curve for testing using the integrated performance analysis. The reservoir performance for the altered operations was compared to the baseline performance following current operations for both historical and projected future climate and water demand conditions. Key simulation results show that the altered operations strategy tested under historical climate and water demand conditions would increase RRV by 17%, 67%, and 7%, respectively, for the water supply objective and 34%, 346%, and 22%, respectively, for hydropower generation. For projected future conditions, the proposed operations strategy would increase RRV by 7%, 219%, and 11%, respectively, for water supply and 19%, 136%, and 13% for hydropower generation. Synthesis of the results suggests significant benefits for reliability and resilience of water supply and hydropower are possible with slight operational adjustments. Overall, the integrated performance analysis supports the need to develop an optimized operations rule for Tarbela to adapt to projected climate and demand scenarios. View Full-Text
Keywords: reservoir management; reservoir performance; water management modeling; climate change; water resources planning reservoir management; reservoir performance; water management modeling; climate change; water resources planning
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MDPI and ACS Style

Rafique, A.; Burian, S.; Hassan, D.; Bano, R. Analysis of Operational Changes of Tarbela Reservoir to Improve the Water Supply, Hydropower Generation, and Flood Control Objectives. Sustainability 2020, 12, 7822. https://doi.org/10.3390/su12187822

AMA Style

Rafique A, Burian S, Hassan D, Bano R. Analysis of Operational Changes of Tarbela Reservoir to Improve the Water Supply, Hydropower Generation, and Flood Control Objectives. Sustainability. 2020; 12(18):7822. https://doi.org/10.3390/su12187822

Chicago/Turabian Style

Rafique, Ahmed, Steven Burian, Daniyal Hassan, and Rakhshinda Bano. 2020. "Analysis of Operational Changes of Tarbela Reservoir to Improve the Water Supply, Hydropower Generation, and Flood Control Objectives" Sustainability 12, no. 18: 7822. https://doi.org/10.3390/su12187822

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