Circumarctic Environmental Observatories Network
（重定向自CEON）
Circumarctic Environmental Observatories Network (CEON) is a network of terrestrial and freshwater observation platforms, science experts and network partners promoting the collection and dissemination of environmental data from the Arctic. CEON observation platforms include land and freshwater observatories, research infrastructures, former research sites where retrospective analyses are being or can be undertaken, data and image archive centers and community monitoring programs.