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

Mathias Maillot, Nicolas Flipo (), Agnès Rivière (), Nicolas Desassis, Didier Renard (), Patrick Goblet () and Marc Vincent
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Mathias Maillot: GEOSCIENCES - Centre de Géosciences - Mines Paris - PSL (École nationale supérieure des mines de Paris) - PSL - Université Paris Sciences et Lettres
Nicolas Flipo: GEOSCIENCES - Centre de Géosciences - Mines Paris - PSL (École nationale supérieure des mines de Paris) - PSL - Université Paris Sciences et Lettres
Agnès Rivière: GEOSCIENCES - Centre de Géosciences - Mines Paris - PSL (École nationale supérieure des mines de Paris) - PSL - Université Paris Sciences et Lettres
Nicolas Desassis: GEOSCIENCES - Centre de Géosciences - Mines Paris - PSL (École nationale supérieure des mines de Paris) - PSL - Université Paris Sciences et Lettres
Didier Renard: GEOSCIENCES - Centre de Géosciences - Mines Paris - PSL (École nationale supérieure des mines de Paris) - PSL - Université Paris Sciences et Lettres
Patrick Goblet: GEOSCIENCES - Centre de Géosciences - Mines Paris - PSL (École nationale supérieure des mines de Paris) - PSL - Université Paris Sciences et Lettres
Marc Vincent: Seine Grands Lacs - EPTB

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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 of 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 of 0.75 m is adjusted on observed unsaturated zone depth (UZD). It is a default value in areas where such data are missing. The second step consists of the final mapping of the 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 without 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.

Date: 2019
New Economics Papers: this item is included in nep-env
Note: View the original document on HAL open archive server: https://hal.science/hal-02404152
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Published in Hydrology and Earth System Sciences, 2019, 23 (11), pp.4835-4849. ⟨10.5194/hess-23-4835-2019⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-02404152

DOI: 10.5194/hess-23-4835-2019

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