Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 30, issue 8
Articles | Volume 30, issue 8
https://doi.org/10.5194/hess-30-2315-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-30-2315-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 30, issue 8
Research article
 | 
22 Apr 2026
Research article |  | 22 Apr 2026

Joint characterization of heterogeneous conductivity fields and pumping well attributes through iterative ensemble smoother with a reduced-order modeling strategy for solute transport

Chuan-An Xia, Jiayun Li, Bill X. Hu, Alberto Guadagnini, and Monica Riva

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Short summary
Pumping wells may not be officially registered or documented. We develop a new framework to jointly estimate spatially variable conductivity and identify unknown pumping well locations and rates. Our results support the ability of the new approach to accurately estimate conductivity and identify well location and rates under diverse configurations, attaining a quality of performance similar to its traditional counterpart while computational time is reduced by nearly an order of magnitude.
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