U.S. National Ice Center Arctic and Antarctic Sea Ice Charts in SIGRID-3 Format, Version 1

This data set provides total sea ice concentration, partial concentration, stage of development, and ice form as defined by the World Meteorological Organization in SIGRID-3 shapefiles. The data are from the U.S. National Ice Center (USNIC) and span 2003 to the present.

Data and Resources

Additional Info

Field	Value
Maintainer	Earthdata Forum
Last Updated	June 25, 2025, 23:26 (UTC)
Created	April 1, 2025, 19:44 (UTC)
accessLevel	public
bureauCode	{026:00}
catalog_conformsTo	https://project-open-data.cio.gov/v1.1/schema
harvest_object_id	d5c595e0-80b3-4ad7-b493-b4ee64ff9f84
harvest_source_id	b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title	Science Discovery Engine
identifier	10.7265/4b7s-rn93
modified	2025-06-25T19:32:11Z
programCode	{026:000}
publisher	NSIDC
resource-type	Dataset
source_datajson_identifier	true
source_hash	bb79bbc1320f4c04ed735f7b42bb04a58d8bdcb038bba2770177108f53f0a5d9
source_schema_version	1.1
spatial	["CARTESIAN",[{"WestBoundingCoordinate":-180.0,"NorthBoundingCoordinate":90.0,"EastBoundingCoordinate":180.0,"SouthBoundingCoordinate":19.0},{"WestBoundingCoordinate":-180.0,"NorthBoundingCoordinate":-19.0,"EastBoundingCoordinate":180.0,"SouthBoundingCoordinate":-90.0}]]
theme	{"Earth Science"}