Articles | Volume 27, issue 24
https://doi.org/10.5194/hess-27-4637-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-27-4637-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Spatio-temporal information propagation using sparse observations in hyper-resolution ensemble-based snow data assimilation
Esteban Alonso-González
CORRESPONDING AUTHOR
Centre d'Etudes Spatiales de la Biosphère, Université de Toulouse, CNRS/CNES/IRD/INRAE/UPS, Toulouse, France
Kristoffer Aalstad
Department of Geosciences, University of Oslo, Oslo, Norway
Norbert Pirk
Department of Geosciences, University of Oslo, Oslo, Norway
Marco Mazzolini
Department of Geosciences, University of Oslo, Oslo, Norway
Désirée Treichler
Department of Geosciences, University of Oslo, Oslo, Norway
Paul Leclercq
Department of Geosciences, University of Oslo, Oslo, Norway
Sebastian Westermann
Department of Geosciences, University of Oslo, Oslo, Norway
Juan Ignacio López-Moreno
Instituto Pirenaico de Ecología, Spanish National Research Council (IPE-CSIC), Zaragoza, Spain
Simon Gascoin
Centre d'Etudes Spatiales de la Biosphère, Université de Toulouse, CNRS/CNES/IRD/INRAE/UPS, Toulouse, France
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Cited
12 citations as recorded by crossref.
- Ensemble-based data assimilation improves hyperresolution snowpack simulations in forests E. Alonso-González et al. https://doi.org/10.5194/tc-20-209-2026
- A combined data assimilation and deep learning approach for continuous spatio-temporal SWE reconstruction from sparse ground tracks M. Guidicelli et al. https://doi.org/10.1016/j.hydroa.2024.100190
- Soil and Water Assessment Tool (SWAT)-Informed Deep Learning for Streamflow Forecasting with Remote Sensing and In Situ Precipitation and Discharge Observations C. Huang et al. https://doi.org/10.3390/rs16213999
- Recent Advances in Snow Monitoring from Local to Global Scales J. Revuelto et al. https://doi.org/10.1007/s40641-025-00207-0
- Evaluating precipitation corrections to enhance high-alpine hydrological modeling T. Pulka et al. https://doi.org/10.1016/j.jhydrol.2024.132202
- Assimilation of synthetic observations of radar backscatters at Ku-band improves SWE estimates N. Leroux et al. https://doi.org/10.5194/tc-20-2773-2026
- Exploring how Sentinel-1 wet-snow maps can inform fully distributed physically based snowpack models B. Cluzet et al. https://doi.org/10.5194/tc-18-5753-2024
- High-resolution snow water equivalent estimation: a data-driven method for localized downscaling of climate data F. Zakeri et al. https://doi.org/10.5194/hess-29-6935-2025
- Spatio-temporal snow data assimilation with the ICESat-2 laser altimeter M. Mazzolini et al. https://doi.org/10.5194/tc-19-3831-2025
- Review article: using spaceborne lidar for snow depth retrievals: recent findings and utility for hydrologic applications Z. Fair et al. https://doi.org/10.5194/tc-19-5671-2025
- Does meter-scale snow data matter for modeling alpine plant distribution? A comparison of four data sources at two resolutions A. Kollert et al. https://doi.org/10.1016/j.ecolmodel.2025.111366
- A high-resolution snow dataset for Switzerland (2016–2025) combining physics-based simulations and in situ observations M. Oberrauch et al. https://doi.org/10.5194/tc-20-3387-2026
12 citations as recorded by crossref.
- Ensemble-based data assimilation improves hyperresolution snowpack simulations in forests E. Alonso-González et al. https://doi.org/10.5194/tc-20-209-2026
- A combined data assimilation and deep learning approach for continuous spatio-temporal SWE reconstruction from sparse ground tracks M. Guidicelli et al. https://doi.org/10.1016/j.hydroa.2024.100190
- Soil and Water Assessment Tool (SWAT)-Informed Deep Learning for Streamflow Forecasting with Remote Sensing and In Situ Precipitation and Discharge Observations C. Huang et al. https://doi.org/10.3390/rs16213999
- Recent Advances in Snow Monitoring from Local to Global Scales J. Revuelto et al. https://doi.org/10.1007/s40641-025-00207-0
- Evaluating precipitation corrections to enhance high-alpine hydrological modeling T. Pulka et al. https://doi.org/10.1016/j.jhydrol.2024.132202
- Assimilation of synthetic observations of radar backscatters at Ku-band improves SWE estimates N. Leroux et al. https://doi.org/10.5194/tc-20-2773-2026
- Exploring how Sentinel-1 wet-snow maps can inform fully distributed physically based snowpack models B. Cluzet et al. https://doi.org/10.5194/tc-18-5753-2024
- High-resolution snow water equivalent estimation: a data-driven method for localized downscaling of climate data F. Zakeri et al. https://doi.org/10.5194/hess-29-6935-2025
- Spatio-temporal snow data assimilation with the ICESat-2 laser altimeter M. Mazzolini et al. https://doi.org/10.5194/tc-19-3831-2025
- Review article: using spaceborne lidar for snow depth retrievals: recent findings and utility for hydrologic applications Z. Fair et al. https://doi.org/10.5194/tc-19-5671-2025
- Does meter-scale snow data matter for modeling alpine plant distribution? A comparison of four data sources at two resolutions A. Kollert et al. https://doi.org/10.1016/j.ecolmodel.2025.111366
- A high-resolution snow dataset for Switzerland (2016–2025) combining physics-based simulations and in situ observations M. Oberrauch et al. https://doi.org/10.5194/tc-20-3387-2026
Saved (final revised paper)
Latest update: 14 Jul 2026
Short summary
Here we explore how to improve hyper-resolution (5 m) distributed snowpack simulations using sparse observations, which do not provide information from all the areas of the simulation domain. We propose a new way of propagating information throughout the simulations adapted to the hyper-resolution, which could also be used to improve simulations of other nature. The method has been implemented in an open-source data assimilation tool that is readily accessible to everyone.
Here we explore how to improve hyper-resolution (5 m) distributed snowpack simulations using...