Volume 47, Issue 2, December 2025, Pages 209–220
Rock Armand Michel BOUADOU1, Bertrand Ouessé TAGNON2, Adama COULIBALY3, Kouamé Auguste KOUASSI4, and Francis Williams KOUASSI5
1 UFR of Sciences and Management of the Environment, Laboratory of Geosciences and Environment, University of Nangui Abrogoua, Abidjan, Côte d'Ivoire
2 UFR of Sciences and Management of the Environment, Laboratory of Geosciences and Environment, University of Nangui Abrogoua, Abidjan, Côte d'Ivoire
3 Department of Science and Technology of Water and Environmental Engineering, UFR of Earth Sciences and Mineral Resources, University of Félix Houphouët-Boigny, Abidjan, Côte d'Ivoire
4 UFR of Sciences and Management of the Environment, Laboratory of Geosciences and Environment, University of Nangui Abrogoua, Abidjan, Côte d'Ivoire
5 UFR of Sciences and Management of the Environment, Laboratory of Geosciences and Environment, University of Nangui Abrogoua, Abidjan, Côte d'Ivoire
Original language: English
Copyright © 2025 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The Cotonou and agglomerations drinking water supply project is located in the District of Ouédo (commune of Abomey-Calavi). In this area, the water supply has become insufficient, due to urbanization and the deterioration of hydraulic infrastructure. An establishment of high-flow drilling by electrical surveys and brief particle study was thus undertaken. Five geological layers, whose resistivities and thicknesses varying respectively from 31.95 to 872.12 Ω.m and between 1.99 to 244.5 m are highlighted. Three aquifers lying between 60 and 114 m deep are revealed. These aquifers are formed of coarse elements with a diameter greater than one mm. A catchment field of sixteen boreholes, each providing a high flow rate (100-250 m3/h), was carried out. This one mobilized an overall flow of 2680 m3/h (i.e. 64,320 m3/d). This flow has contributed to the achievement of more than 60 % of the Millennium Development Goals development in terms of drinking water by Benin.
Author Keywords: aquifer, electrical survey, particle size, recognition survey, flow.
Rock Armand Michel BOUADOU1, Bertrand Ouessé TAGNON2, Adama COULIBALY3, Kouamé Auguste KOUASSI4, and Francis Williams KOUASSI5
1 UFR of Sciences and Management of the Environment, Laboratory of Geosciences and Environment, University of Nangui Abrogoua, Abidjan, Côte d'Ivoire
2 UFR of Sciences and Management of the Environment, Laboratory of Geosciences and Environment, University of Nangui Abrogoua, Abidjan, Côte d'Ivoire
3 Department of Science and Technology of Water and Environmental Engineering, UFR of Earth Sciences and Mineral Resources, University of Félix Houphouët-Boigny, Abidjan, Côte d'Ivoire
4 UFR of Sciences and Management of the Environment, Laboratory of Geosciences and Environment, University of Nangui Abrogoua, Abidjan, Côte d'Ivoire
5 UFR of Sciences and Management of the Environment, Laboratory of Geosciences and Environment, University of Nangui Abrogoua, Abidjan, Côte d'Ivoire
Original language: English
Copyright © 2025 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The Cotonou and agglomerations drinking water supply project is located in the District of Ouédo (commune of Abomey-Calavi). In this area, the water supply has become insufficient, due to urbanization and the deterioration of hydraulic infrastructure. An establishment of high-flow drilling by electrical surveys and brief particle study was thus undertaken. Five geological layers, whose resistivities and thicknesses varying respectively from 31.95 to 872.12 Ω.m and between 1.99 to 244.5 m are highlighted. Three aquifers lying between 60 and 114 m deep are revealed. These aquifers are formed of coarse elements with a diameter greater than one mm. A catchment field of sixteen boreholes, each providing a high flow rate (100-250 m3/h), was carried out. This one mobilized an overall flow of 2680 m3/h (i.e. 64,320 m3/d). This flow has contributed to the achievement of more than 60 % of the Millennium Development Goals development in terms of drinking water by Benin.
Author Keywords: aquifer, electrical survey, particle size, recognition survey, flow.
How to Cite this Article
Rock Armand Michel BOUADOU, Bertrand Ouessé TAGNON, Adama COULIBALY, Kouamé Auguste KOUASSI, and Francis Williams KOUASSI, “Coupling geophysics and granulometry for the siting of high-flow boreholes in a sedimentary environment,” International Journal of Innovation and Applied Studies, vol. 47, no. 2, pp. 209–220, December 2025.
