Articles | Volume 24, issue 3
https://doi.org/10.5194/hess-24-1393-2020
https://doi.org/10.5194/hess-24-1393-2020
Research article
 | 
26 Mar 2020
Research article |  | 26 Mar 2020

Intra-catchment variability of surface saturation – insights from physically based simulations in comparison with biweekly thermal infrared image observations

Barbara Glaser, Marta Antonelli, Luisa Hopp, and Julian Klaus

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Cited articles

Ala-aho, P., Rossi, P. M., Isokangas, E., and Kløve, B.: Fully integrated surface–subsurface flow modelling of groundwater–lake interaction in an esker aquifer: Model verification with stable isotopes and airborne thermal imaging, J. Hydrol., 522, 391–406, https://doi.org/10.1016/j.jhydrol.2014.12.054, 2015. 
Aleina, F. C., Runkle, B. R. K., Kleinen, T., Kutzbach, L., Schneider, J., and Brovkin, V.: Modeling micro-topographic controls on boreal peatland hydrology and methane fluxes, Bio, 12, 5689–5704, https://doi.org/10.5194/bg-12-5689-2015, 2015. 
Ali, G., Birkel, C., Tetzlaff, D., Soulsby, C., McDonnell, J. J., and Tarolli, P.: A comparison of wetness indices for the prediction of observed connected saturated areas under contrasting conditions, Earth Surf. Proc. Land., 39, 399–413, https://doi.org/10.1002/esp.3506, 2014. 
Allen, R. G., Pereira, L. S., Raes, D., and Smith, M.: Crop evapotranspiration (guidelines for computing crop water requirements), FAO Irrig. Drain. Pap., Rome, Italy, 300 pp., ISBN 92-5-104219-5, 1998. 
Ambroise, B.: Rôle hydrologique des surfaces saturées en eau dans le basin du Ringelbach à Soultzeren (Hautes-Vosges), France, in: Recherches sur l'Environnement dans la Région, Actes du 1er Colloque Scientifique des Universités du Rhîn Supérieur, edited by: Rentz, O., Streith, J., and Ziliox, L., 620–630, Université Louis Pasteur – Conseil de l'Europe, Strasbourg, 1986. 
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The inundation of flood-prone areas can have crucial impacts on runoff generation and water quality. We investigate the variation of flooding in space and time along a small stream with long-term observations and numerical simulations. We demonstrate that the main reason for the flooding is the exfiltration of groundwater into local topographic depressions. However, only interplay with further influencing factors can explain all of the variability of the observed flooding patterns and dynamics.