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Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/hess-2019-101
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-2019-101
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Technical note 10 May 2019

Technical note | 10 May 2019

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Hydrology and Earth System Sciences (HESS).

Technical note: Water table mapping accounting for river-aquifer connectivity and human pressure

Mathias Maillot1,2, Nicolas Flipo1, Agnès Rivière1, Nicolas Desassis1, Didier Renard1, Patrick Goblet1, and Marc Vincent2 Mathias Maillot et al.
  • 1Geosciences Department, MINES ParisTech, PSL University, Fontainebleau, France
  • 2EPTB Seine Grands Lacs, Paris, France

Abstract. A water table mapping method that accounts for surface water-groundwater (SW-GW) connectivity and human pressure, such as pumping and underground structures occurrence, has been elaborated and tested in the heavily urbanized Parisian area. The method developed here consists in two steps. First, hard data (hydraulic head) and soft data (dry wells) are used as conditioning points for the estimation of the SW-GW connection status. A disconnection criteria is adjusted on observed unsaturated zone depth (UZD). It is a default value in areas where such data are missing. The second step consists in the final mapping of water table. Given the knowledge of the disconnection criteria, the final map is achieved with an ordinary kriging of the UZD that integrates the surface water elevation as a nil unsaturated zone where it is relevant. The methodology is demonstrated on two datasets of UZD observations that were collected under low and high flow conditions.

Mathias Maillot et al.
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Mathias Maillot et al.
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