Understanding and documenting the evolution of often poorly accessible but central environments in global equilibria.
Data access Presentation On 9 April 2018, Theia Land Cover SEC published the 2nd land use map of metropolitan France, […]
Presentation The Scientific Expertise Centre (SEC) Snow-Covered Surface brings together teams from Cesbio, IGE, CNRM (CEN) and Legos. The first […]
Presentation The “Surface reflectance” Scientific Expertise Centre (SEC) brings together teams from Cesbio, LSCE, CNRM and LOA that develop high-resolution surface reflectance […]
Presentation The Scientific Expertise Centre “Land Cover SEC” brings together teams from Cesbio, UMR Ispa, Dynafor, CNRM, UMR Tetis, IGN–Matis, […]
Presentation The “Generic change detection” (DCG) Scientific Expertise Centre (SEC) brings together teams from ICube, UMR Lisah, UMR Tetis, UMR Espace-Dev, […]
To celebrate the 10’000th snow product in Theia, here is over the Vicdessos area in the french Pyrenees near Andorra. The snow is in blue and the clouds are in white!
Maps of snow cover area at 20m resolution generated from Sentinel-2 observations are available every 5 days on theia.cnes.fr.
Theia releases since June 2017 a new 20 m resolution product which indicates the snow presence or absence on the land surface every fifth day if there is no cloud.