Articles | Volume 28, issue 4
https://doi.org/10.5194/hess-28-873-2024
https://doi.org/10.5194/hess-28-873-2024
Research article
 | 
26 Feb 2024
Research article |  | 26 Feb 2024

Impacts of hydrofacies geometry designed from seismic refraction tomography on estimated hydrogeophysical variables

Nolwenn Lesparre, Sylvain Pasquet, and Philippe Ackerer

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Cited articles

Ackerer, J., Chabaux, F., Van der Woerd, J., Viville, D., Pelt, E., Kali, E., Lerouge, C., Ackerer, P., di Chiara Roupert, R., and Négrel, P.: Regolith evolution on the millennial timescale from combined U–Th–Ra isotopes and in situ cosmogenic 10Be analysis in a weathering profile (Strengbach catchment, France), Earth Planet. Sc. Lett., 453, 33–43, https://doi.org/10.1016/j.epsl.2016.08.005, 2016. 
Ackerer, J., Jeannot, B., Delay, F., Weill, S., Lucas, Y., Fritz, B., Viville, D., and Chabaux, F.: Crossing hydrological and geochemical modeling to understand the spatiotemporal variability of water chemistry in a headwater catchment (Strengbach, France), Hydrol. Earth Syst. Sci., 24, 3111–3133, https://doi.org/10.5194/hess-24-3111-2020, 2020. 
Ahn, S., Kim, G., and Choi, G.: On the applicable ranges of kinematic and diffusion models in open channels, ASCE Proc. Hydraulic Engineering '93, Specialty Conf., edited by: Shen, H. W., Su, S. T., and Wen, F., San Francisco, CA, 25–30 July 1993, https://cedb.asce.org/CEDBsearch/record.jsp?dockey=0083951 (last access: 12 February 2024) 1993. 
Anderson, S. P., von Blanckenburg, F., and White, A. F.: Physical and Chemical Controls on the Critical Zone, Elements, 3, 315–319, https://doi.org/10.2113/gselements.3.5.315, 2007. 
Befus, K. M., Sheehan, A. F., Leopold, M., Anderson, S. P., and Anderson, R. S.: Seismic constraints on critical zone architecture, Boulder Creek watershed, Front Range, Colorado, Vadose Zone J., 10, 915–927, https://doi.org/10.2136/vzj2010.0108, 2011. 
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Short summary
Vertical maps of seismic velocity reflect variations of subsurface porosity. We use such images to design the geometry of subsurface compartments delimited by velocity thresholds. The obtained patterns are inserted into a hydrogeological model to test the influence of random geometries, velocity thresholds, and hydraulic parameters on data estimated from the model: the depth of the groundwater and magnetic resonance sounding is a geophysical method sensitive to subsurface water content.
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