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AARI 10-Day Arctic Ocean EASE-Grid Sea Ice Observations
Entry ID:
NSIDC-0050
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NOTE: This data set has been replaced by the Sea Ice Charts of the Russian Arctic in Gridded Format, 1933-2006 data set (http://nsidc.org/data/g02176.html).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 ...
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Geographic Coverage
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Spatial coordinates
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
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
Distribution
Distribution Media:
ftp
Distribution Size:
annual files
Distribution Format:
compressed tar
Fees:
free
Personnel
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 Unpublished report to the World Meteorological Organization Commission for Marine Meteorology.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 ...
![]() Extended Metadata Properties
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Creation and Review Dates
Last DIF Revision Date:
2011-06-30
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