Platforms>Earth Observation Satellites>DMSP (Defense Meteorological Satellite Program)
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Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Sea Ice Concentrations
Entry ID:
NSIDC-0081
Summary
Abstract:
This data set provides a near-real-time (NRT) map of sea ice concentrations for both the Northern and Southern Hemispheres. The near-real-time passive microwave brightness temperature data are acquired with the Special Sensor Microwave Imager/Sounder (SSMIS) on board the Defense Meteorological Satellite Program (DMSP) F17 satellite. The SSMIS instrument is the next generation Special Sensor ...
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Data Set Citation
Dataset Originator/Creator:
Jim Maslanik
Dataset Title:
Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Sea Ice Concentrations
Dataset Release Date:
1999-01-01, updated daily
Dataset Release Place:
Boulder, Colorado USA
Dataset Publisher:
National Snow and Ice Data Center (NSIDC)
Data Presentation Form:
Digital media
Online Resource:
http://nsidc.org/data/nsidc-0081.html
Temporal Coverage
Start Date:
1999-04-05
Location Keywords
Data Resolution
Latitude Resolution:
25 km
Longitude Resolution: 25 km Temporal Resolution: Daily Science Keywords
ISO Topic Category
Platform
Project
Quality
This near-real-time sea ice concentration (NRTSI) data set is created using brightness temperatures from NOAA's Comprehensive Large Array-data Stewardship System (CLASS) in order to provide the product within one to two days following data acquisition. These brightness temperatures do not receive the same level of quality control as the DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures product created at NSIDC. Additionally, these NRTSI data may be missing swaths and contain erroneous ice over ocean that was missed by the weather filters.
Use Constraints
These data are intended to facilitate time-sensitive research dependent upon precise detection of seasonal polar sea ice formation and break up. These data are primarily meant to provide a best estimate of current ice and snow conditions based on information and algorithms available at the time the data are acquired. Near-real-time products are not intended for operational use in assessing sea ice conditions for navigation and should be used with caution in extending the sea ice time series. For historical SMMR and SSM/I sea ice concentration data, please see Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data.
Data Set Progress
IN WORK
Originating Center
Data Center
Distribution
Distribution Media:
FTP
Distribution Format:
PNG
Fees:
none
Personnel
Role:
INVESTIGATOR
Phone:
(303) 492-6199
Fax:
(303) 492-2468
Email:
nsidc at kryos.colorado.edu
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City:
Boulder
Province or State:
CO
Postal Code:
80309
Publications/References
Cavalieri, D. J., P. Gloersen, and W. J. Campbell. 1984. Determination of Sea Ice Parameters with the NIMBUS-7 SMMR. Journal of Geophysical Research 89(D4):5355-5369.
Cavalieri, D. J., C. I. Parkinson, P. Gloersen, and H. J. Zwally. 1997. Arctic and Antarctic Sea Ice Concentrations from Multichannel Passive-Microwave Satellite Data Sets: October 1978 to December 1996, User's Guide. NASA Technical Memorandum 104647. 17 pages. For a complete list of references, see the References and Related Publications section in the documentation for NSIDC's Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data. Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date:
1999-07-14
Last DIF Revision Date:
2012-05-14
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