Theia softwares and tools
Theia SECs produce various processing software as well as modelling and mapping tools. Some are designed for thematic applications ; […]
Water Volumes SEC
Mapping water level on rivers and floodplains in order to calculate the volumes of water stored at the basin scale.
Vegetation Optical Depth SEC
Developing a global measure of vegetation cover
Surface Temperature and Emissivity SEC
Improving estimation and mapping for land surface temperature and emissivity.
Equilibrium-Line Altitude SEC
Measuring the Annual Equilibrium-Line Altitude at the end of the ablation period by spatial optical remote sensing
Albedo SEC
Mapping spectral and broadband surface albedos for the scientific community involved in energy balances and change detection.
Themes
Theia supports more than twenty Scientific Expertise Centres (SEC) that provide the community with tools and treatment methods adapted to […]
Vegetation biophysics variables SEC
Map vegetation biophysical variables on a global scale.
Urban SEC
Mapping artificialized surfaces, urban fabrics, urban vegetation, changes and indicators.
Irrigation SEC
Mapping irrigated / non-irrigated areas at high spatial resolution for agricultural purposes.
Snow-covered surface SEC
Detecting the presence of snow cover, on a continuous, large-scale basis.
Risks associated with infectious diseases SEC
Developing transmission risk maps for the various infectious diseases, vector-borne or otherwise, using Earth Observation data.
Scientific Expertise Centres
The Scientific Expertise Centres (SEC) bring together different teams of French laboratories conducting research and developing innovative methods for mobilizing […]
Surface reflectance SEC
Developing L2 and L3 level atmospheric correction tools for Sentinel-2, Landsat-8 and Venµs images.
Landscape SEC
Understanding landscape patterns for efficient and sustainable management and planning
Land cover SEC
Defining and developing automatic algorithms for the production of land use maps based on satellite imagery
Fire SEC
Providing early mapping of the contours and intensity of forest fires, interface fires and vegetation damage to land managers and firefighting services.
Surface Soil Moisture SEC
Presentation Theia Surface Soil Moisture SEC brings together teams from Cesbio, UMR Ispa, IGE and ECMWF who are developing a […]
Soil moisture with very high spatial resolution SEC
Mapping soil water status at plot-scale to meet the needs of scientists and public policy.
Water levels of lakes and rivers SEC
Documenting world’s rivers and lakes features over time.
Evapotranspiration SEC
Mapping evapotranspiration, especially on agricultural land.
Generic change detection SEC
Presentation The “Generic change detection” (DCG) Scientific Expertise Centre (SEC) brings together teams from ICube, UMR Lisah, UMR Tetis, UMR Espace-Dev, […]
Colours of the continental waters SEC
Assessing the concentration of suspended solids and chlorophyll-a in surface waters of rivers, lakes or estuaries.
Mapping and monitoring of water bodies SEC
Developing a cartography of the extent, inter- and intra-annual variability and dynamics of the water surfaces.
Variables for Biodiversity SEC
Improving the mapping and the monitoring of biodiversity indicators
Digital soil mapping SEC
Mapping the sustainable properties of soils for scientists and public policy actors.
Forest biomass and changes in forest cover SEC
Presentation Theia Forest Biomass and Changes in Forest Cover Scientific Expertise Centre (SEC) brings together teams from Cesbio that develop two […]