[Parameters: Topic='OCEANS', Term='SEA ICE', Variable_Level_1='ICE EXTENT']
AARI 10-Day Arctic Ocean EASE-Grid Sea Ice Observations
Entry ID: NSIDC-0050

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Summary
Abstract: NOTE: This data set has been replaced by the Sea Ice Charts of the Russian Arctic in Gridded Format, 1933-2006 data set (http://nsidc.org/data/g02176.html). These gridded ice charts represent a reformatting of information contained in another data set, the Russian Arctic and Antarctic Research Institute's (AARI) 10 Day Digital Arctic Sea Ice Charts. AARI digitized Arctic sea ice concentration ... View entire text
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Geographic Coverage
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Spatial coordinates   
  N: 90.0   S: 45.0   E: 105.0   W: -130.0
  N: 90.0   S: 68.0   E: 110.0   W: -24.0

Data Set Citation
Dataset Title: AARI 10-Day Arctic Ocean EASE-Grid Sea Ice Observations
Dataset Release Place: Boulder, CO U.S.A.
Dataset Publisher: National Snow and Ice Data Center (NSIDC)
Online Resource: http://nsidc.org/data/nsidc-0050.html
Temporal Coverage
Start Date: 1953-01-01
Stop Date: 1990-12-30
Location Keywords
Data Resolution
Temporal Resolution: thrice monthly
Temporal Resolution Range: Weekly - < Monthly
Science Keywords
ISO Topic Category
Instrument
DIGITIZER Ancillary Description
Project
Quality It is impossible to assess errors that might have occurred in translating ice observations to the original operational charts and to SIGRID files, since these steps were performed at AARI. However, AARI estimates that ice edge boundaries are generally accurate to between 2 and 10 km under typical ice reconnaissance conditions, and to within 50 km under the worst conditions. Quality control routines assessed the 'correctness' of the AARI coding (i.e., checked whether the AARI implementation of SIGRID matched the published standard). Few errors were found in AARI's coding of the files.
Access Constraints These data are freely available to the public.
Use Constraints None.
Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
NSIDC Distributed Active Archive Center Supplemental Info
Data Center URL: http://nsidc.org/daac/index.html

Data Center Personnel
Name: NSIDC USER SERVICES
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at 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
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Distribution
Distribution Media: ftp
Distribution Size: annual files
Distribution Format: compressed tar
Fees: free
Personnel
FLORENCE FETTERER
Role: INVESTIGATOR
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: fetterer at 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
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Publications/References
Bushuev, A. V., R. G. Barry, V. M. Smolyanitsky, and V. J. Troisi. 1994. Format to Provide Sea Ice Data for the World Climate Program (SIGRID-2). Unpublished report to the World Meteorological Organization Commission for Marine Meteorology. Environment Canada. 1989. Ice Charts: WMO Symbols for the Hatching of Total Concentration of Ice. Manual of Standard Procedures for Observing and Reporting ... View entire text
Extended Metadata Properties
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Creation and Review Dates
Last DIF Revision Date: 2011-06-30

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