Articles | Volume 384
https://doi.org/10.5194/piahs-384-275-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-384-275-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Pre-conference publication
| 
16 Nov 2021
Pre-conference publication |
| 16 Nov 2021
| 16 Nov 2021
Assessing the effect of soil parameterization in land use change impact modeling
Applied Science and Technology Research Institute – IRSAT/CNRST, P.O. Box 7047, Ouagadougou, Burkina Faso
Hydro-Climate Services, P.O. Box 374, Ouagadougou 14, Burkina Faso
Aymar Yaovi Bossa
Hydro-Climate Services, P.O. Box 374, Ouagadougou 14, Burkina Faso
Department of Water for Agriculture and the Society, National
Institute of Water, University of Abomey–Calavi, P.O. Box 526, Cotonou 01,
Benin
Ernest Amoussou
Département de Géographie et Aménagement du Territoire de l'Université de Parakou, BP 123 Parakou, Benin
Djigbo Félicien Badou
Ecole d'Horticulture et d'Aménagement des espaces Verts,
Université Nationale d'Agriculture, BP 43 Kétou, Benin
Hydro-Climate Services, P.O. Box 374, Ouagadougou 14, Burkina Faso
Jean Hounkpè
Department of Water for Agriculture and the Society, National
Institute of Water, University of Abomey–Calavi, P.O. Box 526, Cotonou 01,
Benin
Hydro-Climate Services, P.O. Box 374, Ouagadougou 14, Burkina Faso
Kpade Ozias Laurentin Hounkpatin
Department of Soil and Environment, Swedish University of Agricultural Sciences, P.O. Box 7014, 75007, Uppsala, Sweden
Hydro-Climate Services, P.O. Box 374, Ouagadougou 14, Burkina Faso
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This study evaluates the impact of future climate change on the hydropower generation potential of the Bamboi catchment (Black Volta). The results indicate a projected mean annual precipitation increase while a decrease of hydropower generation is expected.
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Runoff simulation is complex in poorly gauged and data-scarce hydrosystems of the West African Sahel. The results of this study showed that multi-sites calibration without nested sub-catchments is the best modelling scheme for capturing the hydrological response of the Sahelian catchments. This approach could therefore be applied to obtain regionalized parameter values for the West African Sahel region from small catchments distributed across all climatic zones.
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Hydropower (HP) is the 2nd source of energy in Côte d'Ivoire. However water resource for HP is threatened by climate change (CC). Therefore the hydro potential and production are impacted. This study investigates the impacts of future CC in the White Bandama watershed using hydrological modelling coupled with GIS analysis. It emerges that in the future an upward trend in flows will be recorded. This could contribute to the siltation of dams and an increase in the risk of flooding in the basin.
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The objective is to assess the causes of exceptional floods in the Ouémé basin using the HEC-RAS model. The results of the calculation made it possible to characterize: the losses and damage due to human settlement on the banks and agricultural production in the flood zone, the flooded extent and the height of submersion depend on the return period, most of the Flood waters converge towards the west of the basin (low risk) and towards the east around the Damè-Wogon depression (high risk).
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Knowledge of rainfall statistical behaviour is a prerequisite to designing rainwater drainage facilities. In West Africa, most practitioners use the Gumbel distribution regardless of rainfall statistical behaviour. This study quantifies biases induced by the use of the Gumbel distribution. It was found that the use of the Gumbel distribution instead of appropriate distributions leads to an underestimation (−45.9 %) of annual daily rainfall maxima and thus to an uncertain design of facilities.
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This study evaluates the impact of future climate change on the hydropower generation potential of the Bamboi catchment (Black Volta). The results indicate a projected mean annual precipitation increase while a decrease of hydropower generation is expected.
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Lamboni Batablinlè, Lawin E. Agnidé, Kodja Domiho Japhet, Amoussou Ernest, and Vissin Expédit
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Rodric M. Nonki, André Lenouo, Clément Tchawoua, Christopher J. Lennard, and Ernest Amoussou
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This study aims to assess the potential impacts of climate change on hydropower potential of the Lagdo dam. The results reveal that under global warming, the hydropower potential of the dam will decrease which is the result of the reduced precipitation and increase of PET, thus decrease in streamflow in the basin. This result will be take into account for future development planning in the basin.
Coffi Justin Noumon, Domiho Japhet Kodja, Ernest Amoussou, Luc O. Sintondji, Daouda Mama, and Euloge K. Agbossou
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Yves Tramblay, Nathalie Rouché, Jean-Emmanuel Paturel, Gil Mahé, Jean-François Boyer, Ernest Amoussou, Ansoumana Bodian, Honoré Dacosta, Hamouda Dakhlaoui, Alain Dezetter, Denis Hughes, Lahoucine Hanich, Christophe Peugeot, Raphael Tshimanga, and Patrick Lachassagne
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This dataset provides a set of hydrometric indices for about 1500 stations across Africa with daily discharge data. These indices represent mean flow characteristics and extremes (low flows and floods), allowing us to study the long-term evolution of hydrology in Africa and support the modeling efforts that aim at reducing the vulnerability of African countries to hydro-climatic variability.
Domiho Japhet Kodja, Arsène J. Sègla Akognongbé, Ernest Amoussou, Gil Mahé, E. Wilfrid Vissin, Jean-Emmanuel Paturel, and Constant Houndénou
Proc. IAHS, 383, 163–169, https://doi.org/10.5194/piahs-383-163-2020, https://doi.org/10.5194/piahs-383-163-2020, 2020
Ernest Amoussou, Henri S. Totin Vodounon, Expédit W. Vissin, Gil Mahé, and Marc Lucien Oyédé
Proc. IAHS, 377, 91–96, https://doi.org/10.5194/piahs-377-91-2018, https://doi.org/10.5194/piahs-377-91-2018, 2018
Yacouba Yira, Bernd Diekkrüger, Gero Steup, and Aymar Yaovi Bossa
Hydrol. Earth Syst. Sci., 21, 2143–2161, https://doi.org/10.5194/hess-21-2143-2017, https://doi.org/10.5194/hess-21-2143-2017, 2017
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The current study aims to investigate the future climate change impacts on the hydrology of the Dano catchment in Burkina Faso, thus contributing to the management of water resources in the region. Temperature and bias corrected precipitation data from an ensemble of six RCMs–GCMs were used as input for the Water flow and balance Simulation Model to simulate water balance components.
The results indicate potential increase and decrease in future discharge in the catchment.
A. Y. Bossa and B. Diekkrüger
Biogeosciences, 11, 4235–4249, https://doi.org/10.5194/bg-11-4235-2014, https://doi.org/10.5194/bg-11-4235-2014, 2014
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Short summary
This study addresses the importance of integrating the effect of land use on soil infiltration rate into land use change impact modeling. Based on field measurements; soil parameterization is computed in a hydrological model using a refined soil map integrating land use change impact of soil infiltration rate and a classic soil map not considering this interaction. The results show that integrating land use related effects on soil properties renders LULC change scenarios more plausible.
This study addresses the importance of integrating the effect of land use on soil infiltration...
