资源环境科技发展态势分析平台

Although renewed interest in flow around groundwater circulation wells is a positive development, the multiple and unacknowledged republication of previously published results is not. This is what has happened in a recent paper published in Water Resources Research by Tu et al. [2020]. The paper repeats results that appeared in Ni et al. [2011] as well as in the lead authors' own earlier work: Tu et al. [2019]. And all three papers fail to acknowledge that the same ideas and closely related solutions were published in this Journal much earlier by Kabala [1993] and Zlotnik and Ledder [1996]. Kabala [1993] employed superposition of the Hantush solutions for a partially penetrating well (obtained by Laplace and Fourier cosine transforms and their inverses) to describe drawdown for a vertical circulation well. He used his solution for aquifer characterization, including the estimation of hydraulic conductivity anisotropy ratio and the approximate time it takes the vertical circulation well to reach the steady state. At the very least this work should have been acknowledged.

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