Articles | Volume 30, issue 2
https://doi.org/10.5194/hess-30-267-2026
https://doi.org/10.5194/hess-30-267-2026
Research article
 | 
20 Jan 2026
Research article |  | 20 Jan 2026

Tracing near-surface runoff in a pre-Alpine headwater catchment

Anna Leuteritz, Victor Aloyse Gauthier, and Ilja van Meerveld

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When and where does near-surface runoff occur in a pre-Alpine headwater catchment?
Victor Aloyse Gauthier, Anna Leuteritz, and Ilja van Meerveld
Hydrol. Earth Syst. Sci., 29, 3889–3905, https://doi.org/10.5194/hess-29-3889-2025,https://doi.org/10.5194/hess-29-3889-2025, 2025
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Cited articles

Anderson, A. E., Weiler, M., Alila, Y., and Hudson, R. O.: Dye staining and excavation of a lateral preferential flow network, Hydrol. Earth Syst. Sci., 13, 935–944, https://doi.org/10.5194/hess-13-935-2009, 2009a. 
Anderson, A. E., Weiler, M., Alila, Y., and Hudson, R. O.: Subsurface flow velocities in a hillslope with lateral preferential flow, Water Resources Research, 45, https://doi.org/10.1029/2008WR007121, 2009b. 
Anderson, S. P., Dietrich, W. E., Montgomery, D. R., Torres, R., Conrad, M. E., and Loague, K.: Subsurface flow paths in a steep, unchanneled catchment, Water Resources Research, 33, 2637–2653, https://doi.org/10.1029/97WR02595, 1997. 
Bachmair, S. and Weiler, M.: Hillslope characteristics as controls of subsurface flow variability, Hydrol. Earth Syst. Sci., 16, 3699–3715, https://doi.org/10.5194/hess-16-3699-2012, 2012. 
Basset, C., Abou Najm, M., Ghezzehei, T., Hao, X., and Daccache, A.: How does soil structure affect water infiltration? A meta-data systematic review, Soil and Tillage Research, 226, 105577, https://doi.org/10.1016/j.still.2022.105577, 2023. 
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Short summary
We applied rainfall and tracers on two 8 m wide runoff plots to better understand runoff generation processes in pre-Alpine catchments with low permeability gleysols. The results highlight the frequent occurrence of infiltration and exfiltration of water, the importance of preferential flow, and the quick runoff response (i.e., high celerity) and transport of solutes (i.e., high velocity). These results help to understand why streams in the study region respond very quickly to rainfall. 
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