Present state of the Earth and solar systems

• Stock de carbone à l'échelle régionale

Climate variability and predictability 

• Arctic and Antarctic sea ice variability and changes over the last decades
• Comprehensive modelling of the Earth system for better climate prediction and projection (COMBINE 1)

Regional atmospheric processes 

• Study of atmosphere from GNSS

Upper atmosphere physics and chemistry 

• Thermosphere, ionosphere and magnetosphere
• Global Ozone Monitoring by Occultation of Stars (GOMOS)
• Stratospheric Aerosols
• The ALTIUS project

Planet rotation 

• Rotation of the terrestrial planets and their interior using space geodesy
• Theoretical studies/ modeling of rotation of the terrestrial planets and their interior
• Rotation of the terrestrial moons of the Solar System using space geodesy