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Geophysical demonstration of the absence of correlation between lineaments and hydrogeologically usefull fractures: case study of the Sanon hard rock aquifer (central northern Burkina Faso)

Abstract : The conceptualization of hard rock aquifers in terms of their geometry and structure has undergone considerable progress over the last two decades. Despite these advances, hydrogeologists are still divided by the models used to describe two central concepts: (i) the influence of weathering processes on hydraulic conductivity; (ii) the influence of tectonics on the hydraulic conductivity of hard rock aquifers. In order to provide further insight into this debate, the present study proposes a conceptual model for hard rock aquifers, based on an integrated hydrogeological and geophysical approach, using information acquired at different scales. The data and observations used for this case study were derived from the Sanon experimental site, located in Burkina Faso, which is presently exposed to a Sudano-Sahelian climate.
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Submitted on : Friday, February 24, 2017 - 12:34:59 PM
Last modification on : Wednesday, November 17, 2021 - 12:32:19 PM
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Donissongou Dimitri Soro, Mahamadou Koïta, Chabi Angelbert Biaou, Eli Outoumbe, Jean-Michel Vouillamoz, et al.. Geophysical demonstration of the absence of correlation between lineaments and hydrogeologically usefull fractures: case study of the Sanon hard rock aquifer (central northern Burkina Faso). Journal of African Earth Sciences, Elsevier, 2017, ⟨10.1016/j.jafrearsci.2017.02.025⟩. ⟨hal-01475922⟩

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