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Optimization of reservoir operation at Eyvashan dam using the water cycle algorithm with the approach of water resource management in climate changes conditions

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Abstract

Considering the risks in water resources systems, one of the most crucial management solutions is to try to understand the effects of climate change components on water resources in the future. For this purpose and according to the change in water supply and demand, the management of water resource exploitation should be different compared to the past, and a new approach should be adopted. Considering the effects of climate change in the last few years in the Eyvashan dam basin, the water cycle algorithm (WCA) and particle swarm optimization (PSO) have been used to optimize the use of the dam reservoir. Reliability, resiliency, and vulnerability criteria have been used to analyze the performance of algorithms. The maximum amount of deficiency in the Eyvashan dam reservoir in methods WCA and PSO is equal to 10.08 and 21.35, respectively, from 2020 to 2021. The values of consumption versus release performed by each algorithm show that the WCA algorithm provided an average of 92.6% of watershed consumption and the PSO algorithm provided 86.2% of this amount. Due to the flood of the 2018–2019 period, in both algorithms, the reservoir volume has exceeded the maximum reservoir volume of the dam, which has overflowed by 3 and 6 MCM in WCA and PSO algorithms, respectively. The results indicate that the amount of release obtained from the WCA algorithm is very close to the total downstream requirements of the studied dam and will be a suitable response to the downstream agricultural and environmental needs in climate change conditions. Also, the results show that the WCA algorithm has a good speed in finding the optimal solution so that the average objective function of the WCA and PSO models has increased by 9.4% and 11.1%, respectively, compared to the global optimal solution.

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Data availability

The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

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Funding

No funding was received for this study.

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Authors and Affiliations

Authors

Contributions

BB and TR contributed to the study conception and design. Material preparation, data collection, and analysis were performed by BB and TR. The first draft of the manuscript was written by behrang beiranvand. BB and TR read and approved the final manuscript.

Corresponding author

Correspondence to Behrang Beiranvand.

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The authors declare they have no competing interests.

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The research was in accordance with a declaration of Helsinki standards.

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Appendix A. Annual rainfall in different stations of the study area 1990–2021

Appendix A. Annual rainfall in different stations of the study area 1990–2021

Station

Dehno

Zagheh

Kakareza

Station

Dehno

Zagheh

Kakareza

1990–1991

318.0

564

344

2008–2009

461.9

525

548

1991–1992

389.2

442.2

675

2009–2010

525.0

577

485

1992–1993

425.1

671

662

2010–2011

429.0

401

514

1993–1994

428.6

462

401

2011–2012

438.0

669

575

1994–1995

402.5

844

594

2012–2013

385.3

698

389.3

1995–1996

412.6

682

601.2

2013–2014

428.0

559.3

534

1996–1997

262.1

257.5

146

2014–2015

477.5

563.2

536.2

1997–1998

395.9

496

535

2015–2016

467.8

572

645

1998–1999

446.3

749

422.1

2016–2017

549.0

436.5

679.2

1999–2000

435.0

754

412.5

2017–2018

560.0

658

650.2

2000–2001

462.5

747

509.3

2018–2019

654.0

985

681.7

2001–2002

468.3

840

231.6

2019–2020

598.0

546

436.2

2002–2003

498.0

738

512.6

2020–2021

552.3

568

653

2003–2004

506.5

726

365.3

Mean

426.2

667.8

434.8

2004–2005

548.0

675.2

410.2

Max

548.0

859.0

675.0

2005–2006

358.9

854.9

209.9

Min

262.1

257.5

146.0

2006–2007

460.3

659.3

326.2

Max–min

285.9

601.5

529.0

2007–2008

454.0

859

468

    

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Beiranvand, B., Rajaee, T. Optimization of reservoir operation at Eyvashan dam using the water cycle algorithm with the approach of water resource management in climate changes conditions. Sustain. Water Resour. Manag. 9, 98 (2023). https://doi.org/10.1007/s40899-023-00875-6

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  • DOI: https://doi.org/10.1007/s40899-023-00875-6

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