Name: AMSR2 Daily Polar Gridded Sea Ice Concentrations, Version 1
Creator: National Snow and Ice Data Center
Keywords: SEA ICE CONCENTRATION

AMSR2 Daily Polar Gridded Sea Ice Concentrations, Version 1

Data set id:

NSIDC-0803

DOI: 10.5067/EH83VPG97LTP

Data Citation and Acknowledgment
As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility.

Stewart, J. S., Meier, W. N., Wilcox, H., Scott, D. J. & Marowitz, R. (2025). AMSR2 Daily Polar Gridded Sea Ice Concentrations. (NSIDC-0803, Version 1). [Data Set]. Boulder, Colorado USA. National Snow and Ice Data Center. https://doi.org/10.5067/EH83VPG97LTP. [describe subset used if applicable]. Date Accessed 11-27-2025.

Copied

Other standard citation formats may be found on the DOI Citation Formatter website (paste 10.5067/EH83VPG97LTP into the top form field).

Describing subset: When applicable, include the information a reader would need to extract the same subset at the end of your citation. If multiple or complex steps were incolved, it may be more appropriate to include this information in the paper itself.

See our Citation Policies for more details about how to structure your data citation.

There is a more recent version of these data.
Version Summary

Initial release

Overview

The AMSR2 Daily Polar Gridded Sea Ice Concentrations product provides daily files of sea ice concentrations for both the Northern and Southern Hemispheres. This product will be a replacement product for NSIDC-0081 with AMSR2 input instead of SSMIS.

Parameter(s):

SEA ICE CONCENTRATION

Platform(s):

GCOM-W1

Sensor(s):

AMSR2

Data Format(s):

Binary

Temporal Coverage:

1 January 2024 to 29 September 2025

Temporal Resolution:

1 day

Spatial Resolution:

25 km

25 km

Spatial Reference System(s):

NSIDC Sea Ice Polar Stereographic North
EPSG:3411
NSIDC Sea Ice Polar Stereographic South
EPSG:3412

Spatial Coverage:

N:
-60
S:
-90
E:
180
W:
-180
N:
90
S:
60
E:
180
W:
-180

Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

View Metadata Record

Data Access & Tools

This data set has been retired. There is a more recent version of these data.

Help Articles

General Questions & FAQs

A Guide to NSIDC's Polar Stereographic Projection

NSIDC's Polar Stereographic Projection was originally designed to be optimal for sea ice applications, though it is now used for many other