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Poster communications

Artificial recharge in fractured crystalline aquifers

Olivier Bour 1 Jean-Christophe Maréchal 2 Adrien Selles 2 Benoît Dewandel 2 Vincent Bailly-Comte 2 Shakeel Ahmed 3 Madeleine Nicolas 1
1 GR - Géosciences Rennes
2 BRGM - Bureau de Recherches Géologiques et Minières (BRGM)
3 IFCGR - Indo-French Centre for Groundwater Research
Abstract : To overcome water scarcity issues, Managed Aquifer Recharge (MAR) structures are currently developed in many parts of the world, including poorly permeable terrain like weathered crystalline rocks. In such geological context, characterized by relatively limited groundwater storage mainly associated with fractures located at the interface between the upper weathered layer (saprolite) and the fractured bedrock, the efficiency of MAR is poorly known. To address this question and better understand the factors that control recharge dynamics, an artificial recharge basin was implemented at the Experimental Hydrogeological Park in Telangana (South India), a well-equipped and continuously monitored site situated in Archean granitic terrain. The thickness of the saprolite and hydraulic properties are relatively well known all over the site from previous geophysical surveys and hydraulic tests.
Document type :
Poster communications
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https://hal-insu.archives-ouvertes.fr/insu-01987378
Contributor : Isabelle Dubigeon Connect in order to contact the contributor
Submitted on : Monday, January 21, 2019 - 10:08:21 AM
Last modification on : Wednesday, May 11, 2022 - 4:11:00 AM

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INSU | CNRS | GR | UNIV-RENNES1 | BRGM | OSUR | UNIV-RENNES | GR-DIMENV | UR1-ENV | BRGM-DO | UR2-HB | UNIV-RENNES2 | INRAE

Citation

Olivier Bour, Jean-Christophe Maréchal, Adrien Selles, Benoît Dewandel, Vincent Bailly-Comte, et al.. Artificial recharge in fractured crystalline aquifers. Computational Methods in Water Resources XXII (CMWR), Jul 2018, Saint-Malo, France. 2018, ⟨10.13140/RG.2.2.13836.77443⟩. ⟨insu-01987378⟩

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