Article (Scientific journals)
Can the anisotropic hydraulic conductivity of an aquifer be determined using surface displacement data? A case study
SALEHIAN GHAMSARI, Sona; Van Dam, Tonie; HALE, Jack
2025In Applied Computing and Geosciences, 26, p. 100242
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Keywords :
anisotropic hydraulic conductivity; poroelasticity; aquifer system; InSAR; finite element method
Abstract :
[en] Due to geological features such as fractures, some aquifers demonstrate strongly anisotropic hydraulic behavior. The goal of this study is to use a poroelastic model to calculate surface displacements given known pumping rates to predict the potential utility of Interferometric Synthetic Aperture Radar (InSAR) data for inferring information about anisotropic hydraulic conductivity (AHC) in aquifer systems. To this end, we develop a three-dimensional anisotropic poroelastic model mimicking the main features of the 1994 Anderson Junction aquifer test in southwestern Utah with a 24 to 1 ratio of hydraulic conductivity along the principal axes, previously estimated in the literature using traditional well observation techniques. Under suitable model assumptions, our results show that anisotropy in the hydraulic problem leads to a distinctive elliptical surface displacement pattern centered around the pumping well that could be detected with InSAR. We interpret these results in the context of InSAR acquisition constraints and provide guidelines for designing future pumping tests so that InSAR data can be used to its full potential for improving the characterization of aquifers with anisotropic hydraulic behavior.
Disciplines :
Earth sciences & physical geography
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
SALEHIAN GHAMSARI, Sona  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
Van Dam, Tonie;  University of Utah > Department of Geology and Geophysics > College of Mines and Earth Sciences
HALE, Jack  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
External co-authors :
yes
Language :
English
Title :
Can the anisotropic hydraulic conductivity of an aquifer be determined using surface displacement data? A case study
Publication date :
01 June 2025
Journal title :
Applied Computing and Geosciences
eISSN :
2590-1974
Publisher :
Elsevier, United Kingdom
Volume :
26
Pages :
100242
Peer reviewed :
Peer reviewed
Focus Area :
Computational Sciences
Development Goals :
15. Life on land
FnR Project :
FNR12252781 - Data-driven Computational Modelling And Applications, 2017 (01/09/2018-28/02/2025) - Andreas Zilian
Funders :
FNR - Fonds National de la Recherche
Funding text :
This work was funded in whole, or in part, by the Luxembourg National Research Fund (FNR), grant reference PRIDE/17/12252781. For the purposes of open access, and in fulfilment of the obligations arising from the grant agreement, the authors have applied a Creative Commons Attribution 4.0 International (CC BY 4.0) license to any Author Accepted Manuscript version arising from this submission.
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