The Greenland Ecosystem Monitoring (GEM) Database Greenland Ecosystem Monitoring is an integrated monitoring and long-term research programme on ecosystems and climate change effects and feedbacks in the Arctic. The data collected by the participating institutions is updated yearly and made available on this website - as open data for everyone to access. Try using the search box below (search for instance for ecosystem elements like temperature, soil, flux or for sites - zackenberg, nuuk, disko).