Arctic Trivariate products and data sets are derived from the U.S. National Ice Center archive data to provide an accurate, comprehensive, and easily understood characterization of analyzed sea ice conditions in the polar regions. The trivariate product characterizes ice coverage over time; in this case in half-month time blocks. The Single Year data shows conditions during the stated period for the year indicated. Compendium Year maps show a diachronic view of the sea ice for the stated half-month period in all years from 2007 to the date noted. For more information, please visit our Trivariate information page.
KMZ file that covers ice information contained throughout the entire Arctic region. For color legend, please click here.
Graphic representation of ice information gathered over a specified time that is contained within the Eastern Arctic boundaries.
Graphic representation of ice information gathered over a specified time that is contained within the NAIS Eastern Arctic boundaries.
Graphic representation of ice information gathered over a specified time that is contained within the NAIS Hudson Bay region.
Graphic representation of ice information gathered over a specified time that is contained within the NAIS Western Arctic boundaries.
Graphic representation of ice information gathered over a specified time that is contained within the Northern Sea Route path.
Graphic representation of ice information gathered over a specified time that is contained along the Northwest Passage region.
Graphic representation of ice information gathered over a specified time that is contained along the Sea of Okhotsk path.
Graphic representation of ice information gathered over a specified time that is contained along the White Sea - Kara Sea region.