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Étude du toit de la nappe de Beauce à Villamblain par résistivité électrique

Abstract : Water resources control is one of the main environmental problems al this ending twentielh century. Piezometrie surface knowledge of the water table of the Beauce region is crucial to estimate the water reserve in this intensive-farming region. To this end, some electrical soundings with a Schlumberger array and a dipôle-dipôle multi-electrode melhod were tested on the Villamblain study domain. The water table, corresponding to an electrical conductive medium, is detected. However it is difficult to clearly separate the eleclrical conductivity effect of the water table from that of the Gâtinais molasse, which is a clayey conduclive layer present within the aquifer. The pedological cover and the geological substratum are clearly individualised with the multi-electrode method, which confirms its interest.
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https://hal-insu.archives-ouvertes.fr/insu-00959395
Contributor : Nathalie Pothier <>
Submitted on : Friday, March 14, 2014 - 1:42:01 PM
Last modification on : Thursday, September 24, 2020 - 4:00:35 PM
Long-term archiving on: : Monday, April 10, 2017 - 12:06:14 AM

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  • HAL Id : insu-00959395, version 1

Citation

Didier Michot, A. Dorigny, Y. Benderitter, Y. Albouy. Étude du toit de la nappe de Beauce à Villamblain par résistivité électrique. Pangea infos, Société Géologique de France, 1999, 31/32, pp.36-39. ⟨insu-00959395⟩

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