Quantifying the trade-offs in re-operating dams  for the environment in the Lower Volta River

Owusu, Afua; Zatarain Salazar, Jazmin; Mul, Marloes; van der Zaag, Pieter; Slinger, Jill

doi:https://doi.org/10.5194/hess-27-2001-2023

Articles | Volume 27, issue 10

https://doi.org/10.5194/hess-27-2001-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/hess-27-2001-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 27, issue 10

Research article

|

26 May 2023

Research article |

| 26 May 2023

Quantifying the trade-offs in re-operating dams for the environment in the Lower Volta River

Afua Owusu, Jazmin Zatarain Salazar, Marloes Mul, Pieter van der Zaag, and Jill Slinger

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Total article views: 1,542 (including HTML, PDF, and XML)

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Views and downloads (calculated since 04 Aug 2022)

Month	HTML	PDF	XML	Total
Aug 2022	179	31	4	214
Sep 2022	35	12	0	47
Oct 2022	81	19	8	108
Nov 2022	29	13	1	43
Dec 2022	25	9	0	34
Jan 2023	14	6	0	20
Feb 2023	20	9	0	29
Mar 2023	20	14	0	34
Apr 2023	37	17	1	55
May 2023	196	43	4	243
Jun 2023	153	26	5	184
Jul 2023	69	37	3	109
Aug 2023	39	17	1	57
Sep 2023	41	25	2	68
Oct 2023	36	34	0	70
Nov 2023	22	16	0	38
Dec 2023	23	11	1	35
Jan 2024	41	12	0	53
Feb 2024	26	15	4	45
Mar 2024	27	14	2	43
Apr 2024	10	3	0	13

Cumulative views and downloads (calculated since 04 Aug 2022)

Month	HTML	PDF	XML	Total
Aug 2022	179	31	4	214
Sep 2022	35	12	0	47
Oct 2022	81	19	8	108
Nov 2022	29	13	1	43
Dec 2022	25	9	0	34
Jan 2023	14	6	0	20
Feb 2023	20	9	0	29
Mar 2023	20	14	0	34
Apr 2023	37	17	1	55
May 2023	196	43	4	243
Jun 2023	153	26	5	184
Jul 2023	69	37	3	109
Aug 2023	39	17	1	57
Sep 2023	41	25	2	68
Oct 2023	36	34	0	70
Nov 2023	22	16	0	38
Dec 2023	23	11	1	35
Jan 2024	41	12	0	53
Feb 2024	26	15	4	45
Mar 2024	27	14	2	43
Apr 2024	10	3	0	13

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Total article views: 1,542 (including HTML, PDF, and XML) Thereof 1,418 with geography defined and 124 with unknown origin.

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1

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Discussed (final revised paper)

Latest update: 15 Apr 2024

Short summary

The construction of two dams in the Lower Volta River, Ghana, adversely affected downstream riverine ecosystems and communities. In contrast, Ghana has enjoyed vast economic benefits from the dams. Herein lies the challenge; there exists a trade-off between water for river ecosystems and water for anthropogenic water demands such hydropower. In this study, we quantify these trade-offs and show that there is room for providing environmental flows under current and future climatic conditions.