Articles | Volume 30, issue 4
https://doi.org/10.5194/hess-30-1189-2026
https://doi.org/10.5194/hess-30-1189-2026
Research article
 | 
03 Mar 2026
Research article |  | 03 Mar 2026

Assessing the impact of Earth Observation data-driven calibration of the melting coefficient on the LISFLOOD snow module

Valentina Premier, Francesca Moschini, Jesús Casado-Rodríguez, Davide Bavera, Carlo Marin, and Alberto Pistocchi

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Cited articles

Asaoka, Y. and Kominami, Y.: Incorporation of satellite-derived snow-cover area in spatial snowmelt modeling for a large area: determination of a gridded degree-day factor, Ann. Glaciol., 54, 205–213, 2013. a
Avanzi, F., Maurer, T., Glaser, S. D., Bales, R. C., and Conklin, M. H.: Information content of spatially distributed ground-based measurements for hydrologic-parameter calibration in mixed rain-snow mountain headwaters, J. Hydrol., 582, 124478, https://doi.org/10.1016/j.jhydrol.2019.124478, 2020. a
Avanzi, F., Gabellani, S., Delogu, F., Silvestro, F., Pignone, F., Bruno, G., Pulvirenti, L., Squicciarino, G., Fiori, E., Rossi, L., Puca, S., Toniazzo, A., Giordano, P., Falzacappa, M., Ratto, S., Stevenin, H., Cardillo, A., Fioletti, M., Cazzuli, O., Cremonese, E., Morra di Cella, U., and Ferraris, L.: IT-SNOW: a snow reanalysis for Italy blending modeling, in-situ data, and satellite observations, Zenodo [data set], https://doi.org/10.5281/zenodo.14093436, 2024. a
Barella, R., Marin, C., Gianinetto, M., and Notarnicola, C.: A novel approach to high resolution snow cover fraction retrieval in mountainous regions, in: IGARSS 2022-2022 IEEE International Geoscience and Remote Sensing Symposium, 3856–3859, https://doi.org/10.1109/IGARSS46834.2022.9884177, 2022. a, b
Barnett, T. P., Adam, J. C., and Lettenmaier, D. P.: Potential impacts of a warming climate on water availability in snow-dominated regions, Nature, 438, 303–309, 2005. a
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Short summary
This study evaluates the snow module of LISFLOOD by replacing the discharge-calibrated snowmelt coefficient with pixel-wise values calibrated using EO (Earth Observation) snow cover fraction after standard streamflow calibration. Using a gap-filled high-resolution daily snow dataset, the approach improves snow cover representation across European basins while largely preserving discharge performance, without requiring full model recalibration.
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