A high-tech airship carrying environmental sensors will soon drift above the boreal forests of Finnish Lapland as part of a new Earth observation supersite. The European Space Agency, the Finnish Meteorological Institute, and Finnish industrial partners are upgrading the Arctic Space Centre in Sodankylä, Finland, into a state-of-the-art facility for monitoring the planet from the ground and the sky.
A natural laboratory above the Arctic Circle
Sodankylä sits well above the Arctic Circle, surrounded by vast boreal forest. This region experiences long, cold winters and a short growing season. The boreal forest biome is the largest land-based biome on Earth, stretching across northern Canada, Scandinavia, and Russia. Because the site is representative of this huge biome, it makes an ideal natural laboratory for studying how forests function and respond to environmental change. The new supersite will install advanced sensors on the ground and conduct regional surveys using an airship. These tools will help scientists compare what they measure on the ground with what satellites observe from space.
New opportunities for Finnish companies and satellite missions
The supersite will also open up opportunities for Finnish companies to develop and test new environmental sensing technologies. Companies can compare their innovative sensors against reference instruments at the site. The improved data will support upcoming satellite missions, including the Copernicus Anthropogenic Carbon Dioxide Monitoring mission and the Copernicus Radar Observing System for Europe at L-band mission. Both are part of the Copernicus Sentinel Expansion missions that will monitor the Arctic from space. ESA’s Head of Earth Observation Campaigns, Malcolm Davidson, said the supersite will help develop Europe’s capabilities in monitoring the Arctic.
ESA has already signed contracts and completed a review. The agency is now moving forward with procuring and installing the new sensing instruments at the site. Airborne sensing campaigns, supported through ESA’s FutureEO programme, will also begin. The work builds on initial agreements and a contract signed at ESA’s Living Planet Symposium last year.
Why this matters for understanding a changing planet
The Arctic is sparsely populated but plays an outsized role in the Earth’s climate system. Boreal forests store vast amounts of carbon, and changes in the region can have global effects. By improving the quality of satellite-derived data, the supersite will pave the way for new services and applications tailored to the Arctic. The combination of ground sensors, airborne surveys, and satellite observations will give scientists a clearer picture of how this critical environment is changing.
