# Correction: A cost-effective device and methodology to compute aquifer transmissivity and piezometry from free-flowing artesian wells

Alix Toulier, Patrick Lachassagne, Heru Hendrayana, Arif Fadillah, Hervé Jourde

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## To cite this version:

Alix Toulier, Patrick Lachassagne, Heru Hendrayana, Arif Fadillah, Hervé Jourde. Correction: A cost-effective device and methodology to compute aquifer transmissivity and piezometry from free-flowing artesian wells. Hydrogeology Journal, 2023, 31, pp.849-851. 10.1007/s10040-023-02605-w. insu-04155720

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Submitted on 10 Nov 2023

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# Correction: A cost-effective device and methodology to compute aquifer transmissivity and piezometry from free-flowing artesian wells

Alix Toulier<fnref n="1" />,<fnref n="2" />,<fnref n="3" /> · Patrick Lachassagne<fnref n="3" /> · Heru Hendrayana<fnref n="4" /> · Arif Fadillah<fnref n="5" /> · Hervé Jourde<fnref n="3" />

Published online: 22 February 2023

© The Author(s) 2023

**Correction: Hydrogeology Journal (2022) 30:1917–1931**
https://doi.org/10.1007/s10040-022-02505-5

In response to a Comment, several highlighted errors in the original article (Toulier et al, 2022) have been assessed and the corrections are presented here.

The double-ended arrow defining the piezometric head (H) was inappropriately drawn in the original Figures 2 and

3a. Accordingly, the length of the double-ended arrow in these figures has been extended to better represent the vertical datum, namely the sea level (z=0).

There is also a correction in the **References** section:

Jacob CE, Lohman SW (1952). Nonsteady flow to a well of constant drawdown in an extensive aquifer, Trans. Am. Geophys. Union, 33(4), 559–569

<figure><img src="image_3.png" /><figcaption>**Fig. 2** Conceptual model and technical terms for geologically-controlled confined aquifers, and unconfined aquifers (modified from Chen et al. 2018)</figcaption></figure>

The online version of the original article can be found at https://doi.org/10.1007/s10040-022-02505-5

<figure><img src="image_4.png" /></figure>

Alix Toulier
alix.toulier@univ-reunion.fr

Patrick Lachassagne
patrick.lachassagne@umontpellier.fr

Heru Hendrayana
heruha@ugm.ac.id

Arif Fadillah
arif.fadillah@danone.com

Hervé Jourde
herve.jourde@umontpellier.fr

<footnote n="1">¹ Université de Paris, Institut de physique du globe de Paris, CNRS, F-75005 Paris, France</footnote>

<footnote n="2">² Laboratoire GéoSciences Réunion, Université de La Réunion, F-97744 Saint Denis, France</footnote>

<footnote n="3">³ HSM, Univ Montpellier, CNRS, IMT, IRD, Montpellier, France</footnote>

<footnote n="4">⁴ Geological Engineering Department, Universitas Gadjah Mada, Yogyakarta, Indonesia</footnote>

<footnote n="5">⁵ Danone Aqua Head Quarter, HR Rasuna Said Street, Jakarta, Kuningan Timur, Indonesia</footnote>
<figure><img src="image_5.png" /></figure>

<figure><img src="image_6.png" /><figcaption>**Fig. 3** a Description of the free-flowing artesian well device (FFAWD) and measurement method through steps 1 to 4. **b** Typical pressure data set recorded by the probe over time (test on well n°8).</figcaption></figure>

The characteristics of free-flowing well n°8 are described in Table 1.

c Design of the FFAWD
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