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08-03-2023 | Comment and Reply
Comment on “A cost-effective device and methodology to compute aquifer transmissivity and piezometry from free-flowing artesian wells”: technical note published in Hydrogeology Journal (2022) 30:1917–1931, by Alix Toulier, Patrick Lachassagne, Heru Hendrayana, Arif Fadillah, and Hervé Jourde
Published in: Hydrogeology Journal | Issue 3/2023
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Excerpt
The subject article (Toulier et al. 2022) misrepresented several cited papers in the following excerpted text:…For free-flowing wells, some authors proposed to compute the storage coefficient based on single-well tests, by monitoring the drawdown and the discharge at the well after opening it (Jacob and Lohman 1952; Ojha 2004; Wendland 2008; Perina 2021) (i.e. the well is opened after a long period without flow). These authors claim that no piezometer is required since they assume the well to have an infinitesimal radius (i.e. the “effective radius” of the well is used by Jacob and Lohman 1952).