ARCUS | Arctic GIS

ARCSS Data Coordination Center -- Data repository for NSF-funded Arctic System Science (ARCSS) data
Arctic Coastal Dynamics (ACD) -- Access results, metadata, publications and other products of the Arctic Coastal Dynamics program
Circumpolar Active Layer Monitoring (CALM) -- Homepage of CALM, with links to site data and downloads
Global Geocryological Data System -- Access the internationally distributed system of frozen ground metadata and data
Joint Office for Science Support/UCAR -- Search for archived geophysical data through the CODIAC data management system
Paleoenvironmental Atlas of Beringia -- Paleoenvironmental data for Beringia, including data resources related to microfossil research and paleoclimate studies
National Snow and Ice Data Center -- Search or browse hundreds of datasets related to cryospheric research
PANGAEA -- Library of data focused on environmental, marine, and geological research; includes Arctic Coastal Dynamics (ACD) data
Submarine Operational And Research Environmental Database (SOARED) -- Environmental database of data collected during the Science Ice Exercises (SCICEX)
Unaami Data Collection -- Collection of Arctic environmental variables from 1970 to present; connected to the Study of Environmental Arctic Change (SEARCH)