Multiyear rainfall variability in the Mono river basin and its impacts on Nangbeto hydropower scheme

<p>Hydropower energy, the main renewable energy source in West Africa, contributes to more than half of the Togo and Benin National electrification. This resource highly depends on water availability in rivers or reservoirs. The water availability heavily relies on climate patterns of the area...

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Autores principales:	S. Obahoundje, E. Amoussou, M. Youan Ta, L. K. Kouassi, A. Diedhiou
Formato:	article
Lenguaje:	EN
Publicado:	Copernicus Publications 2021
Materias:	Environmental sciences GE1-350 Geology QE1-996.5
Acceso en línea:	https://doaj.org/article/22ab8240ba5f42b38b78daccf79fbbfb
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spelling	oai:doaj.org-article:22ab8240ba5f42b38b78daccf79fbbfb2021-11-16T07:29:12ZMultiyear rainfall variability in the Mono river basin and its impacts on Nangbeto hydropower scheme10.5194/piahs-384-343-20212199-89812199-899Xhttps://doaj.org/article/22ab8240ba5f42b38b78daccf79fbbfb2021-11-01T00:00:00Zhttps://piahs.copernicus.org/articles/384/343/2021/piahs-384-343-2021.pdfhttps://doaj.org/toc/2199-8981https://doaj.org/toc/2199-899X<p>Hydropower energy, the main renewable energy source in West Africa, contributes to more than half of the Togo and Benin National electrification. This resource highly depends on water availability in rivers or reservoirs. The water availability heavily relies on climate patterns of the area. In the climate change context, the sustainability of hydropower plants is at risk. This work aims to assess the sensitivity of the Nangbeto hydropower plant to multiyear climate variability using statistical analysis. The results show that energy generation at Nangbeto hydropower is more modulated by four main variables namely inflow to reservoir, water level, rainfall of the actual and the previous year. The energy generation is found to be strongly and significantly correlated to inflow to reservoir, water level, and rainfall. Overall, the Nangbeto hydropower generation is more sensitive to inflow which is controlled by climate variables (rainfall, temperature) and land use/cover change. Therefore, the probable future change in these variables is suggested to be deeply investigated.</p>S. ObahoundjeE. AmoussouM. Youan TaL. K. KouassiA. DiedhiouA. DiedhiouCopernicus PublicationsarticleEnvironmental sciencesGE1-350GeologyQE1-996.5ENProceedings of the International Association of Hydrological Sciences, Vol 384, Pp 343-347 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Environmental sciences GE1-350 Geology QE1-996.5
spellingShingle	Environmental sciences GE1-350 Geology QE1-996.5 S. Obahoundje E. Amoussou M. Youan Ta L. K. Kouassi A. Diedhiou A. Diedhiou Multiyear rainfall variability in the Mono river basin and its impacts on Nangbeto hydropower scheme
description	<p>Hydropower energy, the main renewable energy source in West Africa, contributes to more than half of the Togo and Benin National electrification. This resource highly depends on water availability in rivers or reservoirs. The water availability heavily relies on climate patterns of the area. In the climate change context, the sustainability of hydropower plants is at risk. This work aims to assess the sensitivity of the Nangbeto hydropower plant to multiyear climate variability using statistical analysis. The results show that energy generation at Nangbeto hydropower is more modulated by four main variables namely inflow to reservoir, water level, rainfall of the actual and the previous year. The energy generation is found to be strongly and significantly correlated to inflow to reservoir, water level, and rainfall. Overall, the Nangbeto hydropower generation is more sensitive to inflow which is controlled by climate variables (rainfall, temperature) and land use/cover change. Therefore, the probable future change in these variables is suggested to be deeply investigated.</p>
format	article
author	S. Obahoundje E. Amoussou M. Youan Ta L. K. Kouassi A. Diedhiou A. Diedhiou
author_facet	S. Obahoundje E. Amoussou M. Youan Ta L. K. Kouassi A. Diedhiou A. Diedhiou
author_sort	S. Obahoundje
title	Multiyear rainfall variability in the Mono river basin and its impacts on Nangbeto hydropower scheme
title_short	Multiyear rainfall variability in the Mono river basin and its impacts on Nangbeto hydropower scheme
title_full	Multiyear rainfall variability in the Mono river basin and its impacts on Nangbeto hydropower scheme
title_fullStr	Multiyear rainfall variability in the Mono river basin and its impacts on Nangbeto hydropower scheme
title_full_unstemmed	Multiyear rainfall variability in the Mono river basin and its impacts on Nangbeto hydropower scheme
title_sort	multiyear rainfall variability in the mono river basin and its impacts on nangbeto hydropower scheme
publisher	Copernicus Publications
publishDate	2021
url	https://doaj.org/article/22ab8240ba5f42b38b78daccf79fbbfb
work_keys_str_mv	AT sobahoundje multiyearrainfallvariabilityinthemonoriverbasinanditsimpactsonnangbetohydropowerscheme AT eamoussou multiyearrainfallvariabilityinthemonoriverbasinanditsimpactsonnangbetohydropowerscheme AT myouanta multiyearrainfallvariabilityinthemonoriverbasinanditsimpactsonnangbetohydropowerscheme AT lkkouassi multiyearrainfallvariabilityinthemonoriverbasinanditsimpactsonnangbetohydropowerscheme AT adiedhiou multiyearrainfallvariabilityinthemonoriverbasinanditsimpactsonnangbetohydropowerscheme AT adiedhiou multiyearrainfallvariabilityinthemonoriverbasinanditsimpactsonnangbetohydropowerscheme
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Multiyear rainfall variability in the Mono river basin and its impacts on Nangbeto hydropower scheme

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