Arctic Daily Sea Ice Concentration - NSIDC

Arctic Basin Ice Concentration - Ice Logistics Portal

Sea Ice Concentration - University of Bremen

Arctic Daily Sea Ice Extent - NSIDC

Arctic Sea Ice Extent and Area - NASA Goddard Bootstrap

Arctic Sea Ice Extent - University of Bremen

Arctic Sea Ice Extent - JAXA

Arctic mean temperatures north of 80°N, and Sea Ice Extent - Danish Meteorological Institute (DMI)

Arctic Sea Ice Volume - PIOMAS

Sea Surface Temperature, Sea Ice Concentration, other parameters - NASA Cryosphere Distributed Biological Observatory (DBO)

UpTempo Buoys (University of Washington)

Sea Surface Temperature and Sea Ice - JAXA AMSR2

Buoys and Ice Concentration - International Arctic Buoy Programme (IAPB)

Sea Ice Drift - OSI SAF

Sea Ice Thickness - University of Washington