Monthly Sea Ice Area and Extent in the Arctic from SMMR/SSMI Data, 1978 to present

Monthly Sea Ice Area in the Arctic from merged SMMR and SSMI Data (NORSEX algorithm)

Monthly Anomaly of Sea Ice Area in the Arctic from merged SMMR and SSMI Data (NORSEX algorithm)

Monthly Anomaly of Sea Ice Extent in the Arctic from merged SMMR and SSMI Data (NORSEX algorithm)

Yearly Sea Ice Area in the Arctic from merged SMMR and SSMI Data (NORSEX algorithm)

Yearly Sea Ice Extent in the Arctic from merged SMMR and SSMI Data (NORSEX algorithm)

Download monthly data for the arctic here

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.