1. Long-term carbon dynamics in arctic-alpine permafrost regions
2. Biomass and Leaf area index mapping in different pan-Arctic landscapes
3. Climate impacts on peatlands and lakes
4. Arctic Terrestrial Ecosystems and Biodiversity
5. Arctic climate, aerosols (incl. black carbon) and clouds
6. Past climatic variability, instability and rapid climate shifts
7. Arctic sea-ice, glaciers and climate change
