Skip to main content
U.S. flag

An official website of the United States government

Arctic and Southern Ocean Sea Ice Concentrations, Version 1

Published by NOAA;NSIDC | National Aeronautics and Space Administration | Catalog Last Checked: July 28, 2026 at 10:44 PM | Dataset Last Updated: June 23, 2026
This data set provides monthly sea ice concentration for the Arctic from 1901 to 1995 and for the Southern Oceans from 1973 to 1990 on a standard 1-degree grid (cylindrical projection) to provide a relatively uniform set of sea ice extent for all longitudes. The data are in ASCII format and are available via FTP.

Resources

4 resources available

Find Related Datasets

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov