[Keyword='Sea Ice']
The maximum extent of sea ice in the southern hemisphere by day and by winter season
Entry ID: sea_ice_extent_winter

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Summary
Abstract: These data give the maximum extent of sea ice in the southern hemisphere by day and by winter season and the mean maximum extent by month.
Data cover the 1979/1980 to 2007/2008 seasons.

The data are available in csv files and, in the case of the mean monthly data, as point and line shapefiles.
Related URL
Link: GET DATA
Description: Download point for the seasonal data - csv file
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Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: -52.46   S: -67.76   E: 180.0   W: -179.0

Temporal Coverage
Start Date: 1978-10-26
Stop Date: 2009-05-16
Location Keywords
Science Keywords
ISO Topic Category
Platform
DMSP > Defense Meteorological Satellite Program Ancillary Description
NIMBUS-7 Ancillary Description
SATELLITES Ancillary Description
Instrument
SMMR > Scanning Multichannel Microwave Radiometer Ancillary Description
SSMI > Special Sensor Microwave/Imager Ancillary Description
Quality Methods
Sea ice extents were calculated from passive microwave estimates of mean sea ice concentration (Cavalieri et al., 1996 updated 2008; Meier et al., 2006 updated quarterly).

Seasonal maximum extent
A season was considered to extend from the 1st of July of one year to 30th of June of the next. The extent of sea ice for a season was computed by searching for all ... View entire text
Access Constraints The data is available for download from the URLs given below.
Use Constraints This data set conforms to the PICCCBY Attribution License
(http://creativecommons.org/licenses/by/3.0/).

Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=sea_ice_... when using these data.
Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
Australian Antarctic Data Centre, Australia Supplemental Info
Data Center URL: http://data.aad.gov.au

Data Center Personnel
Name: DATA OFFICER AADC
Phone: +61 3 6232 3244
Fax: +61 3 6232 3351
Email: metadata at aad.gov.au
Contact Address:
Australian Antarctic Division
203 Channel Highway
City: Kingston
Province or State: Tasmania
Postal Code: 7050
Country: Australia
Distribution
Distribution Media: HTTP
Distribution Size: 32 kb
Distribution Format: csv
Fees: Free

Distribution Media: HTTP
Distribution Size: 312
Distribution Format: csv, shapefile, png
Fees: Free
Personnel
BEN RAYMOND
Role: INVESTIGATOR
Role: TECHNICAL CONTACT
Phone: +61 3 6232 3336
Fax: +61 3 6283 2336
Email: ben.raymond at aad.gov.au
Contact Address:
Australian Antarctic Division
203 Channel Highway
City: Kingston
Province or State: Tasmania
Postal Code: 7050
Country: Australia
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Publications/References
Cavalieri, D., C. Parkinson, P. Gloersen, and H. J. Zwally (1996), Sea ice concentrations from Nimbus-7 SMMR and DMSP SSM/I passive microwave data., Digital media, National Snow and Ice Data Center, Boulder, http://nsidc.org/data/nsidc-0051.html, updated 2008

Meier, W., F. Fetterer, K. Knowles, M. Savoie, M. J. Brodzik (2006), Sea ice concentrations from Nimbus-7 SMMR and DMSP SSM/I passive microwave data, Digital media, National Snow and Ice Data Center, Boulder, http://nsidc.org/data/nsidc-0051.html, updated quarterly
Creation and Review Dates
DIF Creation Date: 2009-10-02
Last DIF Revision Date: 2012-05-04

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