Scientific expertise centers

A World Glacier Atlas to understand glacier mechanisms in a global warming context

The 3 glacier products available on Theia offer an unprecedented global overview of the evolution of glaciers.


Land cover Theia product update

Like every year at this time, you’re invited to discover the new version of the OSO product, from the S.E.C Land cover. The 2022 version was released a few days […]


Changes and Health of Temperate Forests SEC

Theia Scientific Expertise Center ‘Changes and Health of Temperate Forests’ brings together engineers, researchers and stakeholders from the forestry sector, in order to develop and implement methods and tools based on remote sensing data to improve silvicultural and sylvo-sanitary monitoring and the sustainable management of temperate forests, in a context where the pressure factors on these ecosystems are increasingly more numerous in France, in Europe, and throughout the world.

Vegetation biophysical variables SEC

Mapping vegetation biophysical variables on a global scale.

Drought SEC

Presentation Theia Drought Scientific Expertise Centre (SEC) bring together teams from the CESBIO and CNRM in Toulouse, the IGE in Grenoble and Hydroscience Montpellier (IRD). Its ambition is to develop […]

Theia Download Tools

Theia SECs offer some download tools especially designed for Theia Data infrastructures. Don’t miss them.

Thematic softwares and tools

Various processing software as well as modelling and mapping tools designed for thematic applications by Theia’s SECs.

Surface water volumes of floodplains 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