Copernicus pan European high-resolution snow & ice products in support to water 
resources monitoring

Tanış, Cemal Melih; Marti, Florence; Dorandeu, Joël; Luojus, Kari; Nagler, Thomas; Schwaizer, Gabriele; Gascoin, Simon; Hagolle, Olivier; Dumont, Marie; Karbou, Fatima; Przystawska, Joanna; Solari, Lorenzo; Mattiuzzi, Matteo; Dupuis, Aurore; Picot, Nicolas

doi:10.57757/IUGG23-3946

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Copernicus pan European high-resolution snow & ice products in support to water resources monitoring

Authors

Tanış, Cemal Melih
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Marti, Florence
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Dorandeu, Joël
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Luojus, Kari
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Nagler, Thomas
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Schwaizer, Gabriele
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Gascoin, Simon
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Hagolle, Olivier
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Dumont, Marie
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Karbou, Fatima
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Przystawska, Joanna
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Solari, Lorenzo
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Mattiuzzi, Matteo
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Dupuis, Aurore
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Picot, Nicolas
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Tanış, C. M., Marti, F., Dorandeu, J., Luojus, K., Nagler, T., Schwaizer, G., Gascoin, S., Hagolle, O., Dumont, M., Karbou, F., Przystawska, J., Solari, L., Mattiuzzi, M., Dupuis, A., Picot, N. (2023): Copernicus pan European high-resolution snow & ice products in support to water resources monitoring, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-3946

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019887

Abstract

While Europe is impacted by more frequent extreme hydrological events such as severe droughts or devastating floods, monitoring water resources is a growing challenge. Since July 2020, under European Environment Agency (EEA) delegation, the Copernicus Land Monitoring Service (CLMS) operationally produces and disseminates Pan-European High-Resolution Snow & Ice products (HR-S&I) in near-real time. These products are generated over Europe (EEA38 and the United Kingdom). They benefit from high spatial resolution (20 m x 20 m and 60 m x 60 m) as they are derived from Sentinel-2 constellation optical data and Sentinel-1 constellation radar data.;There are multiple snow cover products in the portfolio. The Fractional Snow Cover (FSC) product is generated from Sentinel-2 observations and provides for each pixel the snow cover fraction (0% – 100%). The daily cumulative Gap-filled Fractional Snow Cover (GFSC) is an aggregated daily snow cover map based on the FSC and is enriched with classifications from the radar data. In mountain areas, radar data allow the detection of the wet snow extent during melting conditions - the SAR wet snow (SWS) product -; independent of any cloud cover affecting the optical satellite data.;This Copernicus service component is based on pre-existing algorithms which have been turned into operational conditions, based on the WEkEO DIAS European cloud infrastructure.;We will present the different products with an overview of the algorithms and their validation over Europe, detail the data access and give insights of applications for hydrology.