Assessing climate change impact on the hydropower potential of the Bamboi catchment (Black Volta, West Africa)

<p>This study evaluates the impact of future climate change (CC) on the hydropower generation potential of the Bamboi catchment (Black Volta) in West Africa using a conceptual rainfall-runoff model (HBV light) and regional climate models (RCMs)–global climate models (GCMs). Two climate simulat...

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Autores principales: Y. Yira, T. C. Mutsindikwa, A. Y. Bossa, J. Hounkpè, S. Salack
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Lenguaje:EN
Publicado: Copernicus Publications 2021
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Acceso en línea:https://doaj.org/article/dd89ccacc29c4e16b92286d539f3bd58
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spelling oai:doaj.org-article:dd89ccacc29c4e16b92286d539f3bd582021-11-16T07:30:07ZAssessing climate change impact on the hydropower potential of the Bamboi catchment (Black Volta, West Africa)10.5194/piahs-384-349-20212199-89812199-899Xhttps://doaj.org/article/dd89ccacc29c4e16b92286d539f3bd582021-11-01T00:00:00Zhttps://piahs.copernicus.org/articles/384/349/2021/piahs-384-349-2021.pdfhttps://doaj.org/toc/2199-8981https://doaj.org/toc/2199-899X<p>This study evaluates the impact of future climate change (CC) on the hydropower generation potential of the Bamboi catchment (Black Volta) in West Africa using a conceptual rainfall-runoff model (HBV light) and regional climate models (RCMs)–global climate models (GCMs). Two climate simulation datasets MPI-ESM-REMO (CORDEX) and GFDL-ESM2M-WRF (WASCAL) under RCP4.5 were applied to the validated hydrological model to simulate the catchment runoff. Based on reference and future simulated discharges, a theoretical 1.3 MW run of river hydro power plant was designed to evaluate the hydropower generation. Hydrological and hydropower generation changes were expressed as the relative difference between two future periods (2020–2049 and 2070–2099) and a reference period (1983–2005). The climate models' ensemble projected a mean annual precipitation increase by 8.8 % and 7.3 % and discharge increase by 11.4 % and 9.735 % for the 2020–2049 and 2070–2099 periods respectively (for bias corrected data). On the contrary an overall decrease of hydropower generation by <span class="inline-formula">−</span>9.1 % and <span class="inline-formula">−</span>8.4% for the 2020–2049 and 2070–2099 periods was projected respectively. The results indicate that projected increases in discharge should not solely be considered as leading to an increase in hydropower potential when prospecting climate change impact on hydropower.</p>Y. YiraY. YiraT. C. MutsindikwaT. C. MutsindikwaA. Y. BossaA. Y. BossaJ. HounkpèJ. HounkpèS. SalackCopernicus PublicationsarticleEnvironmental sciencesGE1-350GeologyQE1-996.5ENProceedings of the International Association of Hydrological Sciences, Vol 384, Pp 349-354 (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
Y. Yira
Y. Yira
T. C. Mutsindikwa
T. C. Mutsindikwa
A. Y. Bossa
A. Y. Bossa
J. Hounkpè
J. Hounkpè
S. Salack
Assessing climate change impact on the hydropower potential of the Bamboi catchment (Black Volta, West Africa)
description <p>This study evaluates the impact of future climate change (CC) on the hydropower generation potential of the Bamboi catchment (Black Volta) in West Africa using a conceptual rainfall-runoff model (HBV light) and regional climate models (RCMs)–global climate models (GCMs). Two climate simulation datasets MPI-ESM-REMO (CORDEX) and GFDL-ESM2M-WRF (WASCAL) under RCP4.5 were applied to the validated hydrological model to simulate the catchment runoff. Based on reference and future simulated discharges, a theoretical 1.3 MW run of river hydro power plant was designed to evaluate the hydropower generation. Hydrological and hydropower generation changes were expressed as the relative difference between two future periods (2020–2049 and 2070–2099) and a reference period (1983–2005). The climate models' ensemble projected a mean annual precipitation increase by 8.8 % and 7.3 % and discharge increase by 11.4 % and 9.735 % for the 2020–2049 and 2070–2099 periods respectively (for bias corrected data). On the contrary an overall decrease of hydropower generation by <span class="inline-formula">−</span>9.1 % and <span class="inline-formula">−</span>8.4% for the 2020–2049 and 2070–2099 periods was projected respectively. The results indicate that projected increases in discharge should not solely be considered as leading to an increase in hydropower potential when prospecting climate change impact on hydropower.</p>
format article
author Y. Yira
Y. Yira
T. C. Mutsindikwa
T. C. Mutsindikwa
A. Y. Bossa
A. Y. Bossa
J. Hounkpè
J. Hounkpè
S. Salack
author_facet Y. Yira
Y. Yira
T. C. Mutsindikwa
T. C. Mutsindikwa
A. Y. Bossa
A. Y. Bossa
J. Hounkpè
J. Hounkpè
S. Salack
author_sort Y. Yira
title Assessing climate change impact on the hydropower potential of the Bamboi catchment (Black Volta, West Africa)
title_short Assessing climate change impact on the hydropower potential of the Bamboi catchment (Black Volta, West Africa)
title_full Assessing climate change impact on the hydropower potential of the Bamboi catchment (Black Volta, West Africa)
title_fullStr Assessing climate change impact on the hydropower potential of the Bamboi catchment (Black Volta, West Africa)
title_full_unstemmed Assessing climate change impact on the hydropower potential of the Bamboi catchment (Black Volta, West Africa)
title_sort assessing climate change impact on the hydropower potential of the bamboi catchment (black volta, west africa)
publisher Copernicus Publications
publishDate 2021
url https://doaj.org/article/dd89ccacc29c4e16b92286d539f3bd58
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