Welcome to the NERSC Arctic Sea Ice Observation System.
NERSC has processed daily passive microwave remote sensing data of sea ice from the Arctic since they first became available in 1978 using the NERSC developed NORSEX algorithm.
June 13 2024: We have updated the website, and some of the URLs have changed. Please update your bookmarks accordingly.
We have published a new paper. Find it here
Daily Arctic Sea Ice Map from SSMI, NERSC
Seasonal Arctic Sea Ice Extent in mill. sq. km.
Seasonal Arctic Sea Ice Area in mill. sq. km.
Data Attribution: The data provided on this website is sourced from the Nansen Environmental and Remote Sensing Center (NERSC) Arctic Sea Ice Observing System (https://iceobs.nersc.no), using the NERSC developed NORSEX Sea Ice algorithm. It uses DMSP SMM/I Brightness temperatures (https://nsidc.org/). It is updated daily and intended for informational purposes only. If you use or reference this data, please attribute it to "NERSC Arctic Sea Ice Observing System" and include a link back to this website (https://iceobs.nersc.no). NERSC makes no warranties regarding the accuracy or completeness of the data.