Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 30, issue 9
Articles | Volume 30, issue 9
https://doi.org/10.5194/hess-30-2759-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-30-2759-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 30, issue 9
Research article
 | 
08 May 2026
Research article |  | 08 May 2026

Hierarchical sedimentary architecture governs basin-scale solute dispersion: from pre-asymptotic dynamics to uncertainty propagation

Wanli Ren, Yue Fan, Anwen Pan, Heng Dai, Jing Yang, Mohamad Reza Soltanian, and Zhenxue Dai

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Short summary
Using reconstructed 3D basin-scale sedimentary architectures, this study quantifies how hierarchical heterogeneity controls solute dispersion. Results show that macroform-scale lithofacies geometry and connectivity dominate macro-dispersion. Basin systems display a prolonged pre-asymptotic and strongly non-ergodic regime, with a buffering effect that reduces realization variability. The study establishes a transferable framework linking hierarchical architecture to multi-scale dispersion.
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