Modeling climate change impact on the hydropower potential of the Bamboi catchment
- PDF / 2,109,017 Bytes
- 9 Pages / 595.276 x 790.866 pts Page_size
- 76 Downloads / 193 Views
ORIGINAL ARTICLE
Modeling climate change impact on the hydropower potential of the Bamboi catchment Tariro C. Mutsindikwa1 · Yacouba Yira2 · Aymar Y. Bossa3 · Jean Hounkpè3 · Seyni Salack4 · Inoussa A. Saley5 · Adamou Rabani6 Received: 21 August 2020 / Accepted: 10 November 2020 © Springer Nature Switzerland AG 2020
Abstract Understanding climate change impacts helps adaptation efforts in the energy sector. This study evaluates the impact of future climate change on the hydropower potential (HPP) of the Bamboi catchment in West Africa combining the HBV-light rainfall-runoff model and a hydropower generation model. Two regional climate simulation datasets MPI-ESM-REMO and WASCAL under RCP 4.5 were applied to the validated HBV light to simulate the catchment discharge. Based on reference and future simulated discharges, a 1.3 MW run-of-river hydropower plant was designed to evaluate the HPP of the catchment. Hydrological and HPP changes were expressed as the difference between two future periods (2020–2049 and 2070–2099) and a reference period (1983–2005). The climate datasets projected a mean annual precipitation increase by 8.8% and 7.3% and discharge increases by 11.4% and 9.735% for the 2020–2049 and 2070–2099 periods, respectively. However, an overall decrease of hydropower generation by − 9.1% and − 8.4% for the 2020–2049 and 2070–2099 periods, respectively, was projected. These results stem from an increase in discharge for the rainy season not convertible into hydropower, combined with a decrease in discharge during the dry months that leads to important HPP losses. Keywords Climate change · Hydropower · Run-of-river · Hydrological modelling
Introduction Hydropower is a reliable renewable and economically competitive source of energy (Berga 2016). Currently it has a share of 16% of the world’s generated electricity and contributes 78% of the renewable electricity generation (Berga 2016). Hydropower and climate change have a two-way
relationship where by hydropower mitigates climate change by hindering emission of greenhouse gases to the atmosphere and climate change can affect hydropower generation by increasing the potential evaporation leading to rivers discharge reduction and the reduction of hydropower potential (Boadi et al. 2017). Hydropower is the leading source of renewable energy in West Africa and it offers many benefits
* Yacouba Yira yira_y@uni‑bonn.de
1
Pan African University Institute of Water and Energy Sciences 119, 13000 Tlemcen, Algeria
Tariro C. Mutsindikwa [email protected]
2
Applied Science and Technology Research Institute, IRSAT/CNRST, P.O. Box 7047, Ouagadougou, Burkina Faso
Aymar Y. Bossa [email protected]
3
Department of Hydrology and Water Resources Management, National Institute of Water, University of Abomey–Calavi, P.O. Box 526, Cotonou, Benin
4
West African Science Service Center on Climate Change and Adapted Land Use-WASCAL, P.O. Box 9507, Ouagadougou, Burkina Faso
5
Département de Physique, Université Abdou Moumouni, P.O. Box
Data Loading...
