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Arctic and Southern Ocean Sea Ice Concentrations
Entry ID: G00799

Abstract: Monthly sea ice concentration for Arctic (1901 to 1995) and Southern oceans (1973 to 1990) were digitized on a standard 1-degree grid (cylindrical projection) to provide a relatively uniform set of sea ice extent for all longitudes, as a basis for hemispheric scale studies of observed sea ice fluctuations (Walsh 1978). The Arctic grid covers the Arctic Ocean and portions of peripheral seas where ... View entire text
Related URL
Description: Documentation
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Geographic Coverage
Spatial coordinates   
  N: 90.0   S: 40.0   E: 180.0   W: -180.0
  N: -50.0   S: -90.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: Chapman, W. L. and J. E. Walsh.
Dataset Title: Arctic and Southern Ocean Sea Ice Concentrations
Dataset Series Name: G00799
Dataset Release Date: 1991-01-01
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC: National Snow and Ice Data Center
Version: 1
Online Resource:
Temporal Coverage
Start Date: 1953-01-01
Stop Date: 1995-08-31
Data Resolution
Temporal Resolution: 1 month
ISO Topic Category
Data Set Progress
Originating Center
Data Center
National Oceanic and Atmospheric Administration at the National Snow and Ice Data Center Supplemental Info
Data Center URL:

Data Center Personnel
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at
Contact Address:
National Snow and Ice Data Center
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
Distribution Media: FTP
Phone: (217) 333-7521
Email: walsh at
Contact Address:
University of Illinois
Department of Atmospheric Sciences
105 South Gregory Avenue
City: Urbana
Province or State: IL
Postal Code: 61801
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Walsh, J.E., Data set on Northern Hemisphere sea ice extent, National Snow and Ice Data Center, Glaciological Data, Report GD-2, part 1, 49-51, 1978. Walsh, J.E. and C.M. Johnson, Analysis of Arctic sea ice fluctuations 1953-1977. J. Phys. Oceanogr. 9(3), 580-591, 1978.
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 1991-01-01
Last DIF Revision Date: 2016-09-27

Link to Web Site