Arctic and Southern Ocean Sea Ice Concentrations

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Entry ID

G00799

Summary

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 sea ice occurs during all or part of the year. The Southern Ocean grid extends to approximately 50 degrees south latitude. Potential uses of this data set include statistical analysis of anomalies in different regions, computing regional and hemispheric trends, and modeling the high latitude surface energy budget. Data sources are U.S. Fleet Weather Facility, U.S. Navy National Ice Center (formerly Navy/NOAA Joint Ice Center), U.S. Naval Oceanographic Office, Canadian Department of Transport, British Meteorological Office, Danish Meteorological Institute, Norwegian Polar Institute, and Icelandic ice summaries.

Data are available via ftp. Software to select and print grids by date is also available.

Geographic Coverage

 

Spatial Coordinates:
N: -50°     S: -90°     E: 180°     W: -180°    
N: 90°     S: 40°     E: 180°     W: -180°    

Data Set Citation

Dataset Creator: Chapman, W. L. and J. E. Walsh.
Dataset Title: Arctic and Southern Ocean Sea Ice Concentrations
Dataset Release Date: 1991-01-01updated 1996
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC: National Snow and Ice Data Center
Online Resource: http://nsidc.org/data/g00799.html
Dataset DOI: http://dx.doi.org/10.7265/N5057CVT

Temporal Coverage

Start Date: 1953-01-01
Stop Date: 1995-08-31

Data Resolution

Temporal Resolution: 1 mon

Location Keywords

  • GEOGRAPHIC REGION POLAR
  • OCEAN ARCTIC OCEAN BARENTS SEA
  • OCEAN ARCTIC OCEAN BEAUFORT SEA
  • OCEAN ARCTIC OCEAN CHUKCHI SEA
  • OCEAN ATLANTIC OCEAN
  • OCEAN ATLANTIC OCEAN NORTH ATLANTIC OCEAN GREENLAND SEA
  • OCEAN PACIFIC OCEAN BERING SEA
  • OCEAN PACIFIC OCEAN NORTH PACIFIC OCEAN BERING SEA
  • OCEAN PACIFIC OCEAN NORTH PACIFIC OCEAN GULF OF ALASKA
  • OCEAN PACIFIC OCEAN NORTH PACIFIC OCEAN SEA OF JAPAN
  • OCEAN PACIFIC OCEAN NORTH PACIFIC OCEAN SEA OF OKHOTSK
  • OCEAN SOUTHERN OCEAN AMUNDSEN SEA

Science Keywords

  • Cryosphere Sea Ice Ice Extent
  • Cryosphere Sea Ice Sea Ice Concentration
  • Oceans Sea Ice Ice Extent
  • Oceans Sea Ice Sea Ice Concentration
  • Terrestrial Hydrosphere Snow/Ice Ice Extent

Ancillary Keywords

  • Antarctic
  • Arctic
  • Global Change
  • Gridded Data
  • Ice Concentration
  • Model Input Data

ISO Topic Category (View Definitions)

  • Climatology/Meteorology/Atmosphere
  • Oceans

Project

  • CGC NOAA Climate and Global Change Program
  • ESIP Earth Science Information Partners Program

Data Set Progress

complete

Originating Center

NOAA

Data Center

National Snow and Ice Data Center
Data Center URL: http://nsidc.org

Data Center Personnel

Name: NSIDC User Services
Phone: 1 303 492-6199
Fax: 1 303 492-2468
Email: nsidc@nsidc.org
Contact Address:

  • National Snow and Ice Data Center
  • CIRES, 449 UCB
  • University of Colorado

City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA

National Oceanic and Atmospheric Administration
Data Center URL: http://nsidc.org/noaa/

Data Center Personnel

Name: NOAA User Services
Phone: 1 303 492-6199 x
Fax: 1 303 492-2468 x
Email: nsidc@nsidc.org
Contact Address:

  • National Snow and Ice Data Center
  • CIRES, 449 UCB
  • University of Colorado

City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA

Distribution

Distribution Media: FTP

Personnel

John E Walsh
Role: INVESTIGATOR
Phone: 1 217 333-7521 x
Email: walsh@wx.atmos.uiuc.edu
Contact Address:

  • University of Illinois at Urbana-Champaign
  • University of Illinois
  • Department of Atmospheric Sciences
  • 105 South Gregory Avenue

City: Urbana
Province or State: IL
Postal Code: 61801

P. M. Kelly
Role: INVESTIGATOR
Phone: 44 (0) 1603 56161
Contact Address:

  • Climatic Research Unit
  • University of East Anglia
  • Norwich, UK NR4 7TJ

William L Chapman
Role: TECHNICAL CONTACT
Email: chapman@faldo.atmos.uiuc.edu
Contact Address:

  • University of Illinois
  • Department of Atmospheric Sciences
  • University of Illinois
  • 105 S. Gregory Avenue

City: Urbana
Province or State: IL
Postal Code: 61801

NSIDC User Services
Role: TECHNICAL CONTACT
Phone: 1 303 492-6199 x
Fax: 1 303 492-2468 x
Email: nsidc@nsidc.org
Contact Address:

  • National Snow and Ice Data Center
  • CIRES, 449 UCB
  • University of Colorado

City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA

Related URL

VIEW PROJECT HOME PAGE
Sea Ice Products at NSIDC

VIEW RELATED INFORMATION
Access to sea ice concentration information and data

Reference

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.

Metadata Name and Version

Metadata Name: CEOS IDN DIF
Metadata Version: 9.7

Creation and Review Dates

DIF Creation Date: 1991-01-01
Last DIF Revision Date: 2013-03-25

Metadata Views

DIF Text-Only

Directory Interchange Format (DIF) in plain text

DIF XML

Directory Interchange Format (DIF) in Extensible Markup Language (XML)

FGDC HTML

U.S. Federal Geographic Data Committee (FGDC) Content Standard for Digital Geospatial Metadata (CSDGM)

ISO HTML

International Organization for Standardization (ISO) 19115:2003 Geographic Information Metadata

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