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Arctic Sea Ice Freeboard and Thickness
Entry ID: NSIDC-0393


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Summary
Abstract: This data set provides measurements of sea ice freeboard and sea ice thickness for the Arctic region. The data were acquired from the Ice, Cloud, and land Elevation Satellite (ICESat) Geoscience Laser Altimeter System (GLAS) instrument, the Special Sensor Microwave/Imager (SSM/I), and climatologies of snow and drift of ice. The data span six GLAS Release-28 campaigns, laser 3D through 3I, from 21 October 2005 to 05 November 2007. Data parameters include sea ice freeboard and thickness measured in meters. The data are provided in three formats: ASCII track data derived from binary track data, binary gridded polar stereographic data derived from ASCII gridded Polar Stereo files, and Portable Network Graphic (PNG) image files. Also included are mask files used in preparation of the image files, a Mapx grid definition file, and grid cell center latitude and longitude files. The ASCII track data vectors of position and ice thickness have a resolution of about 170 meters in the along-track direction. The binary gridded polar stereographic data have a resolution of 25 km. The data set is approximately 940 megabytes. The data are available via FTP.

Related URL
Link: VIEW PROJECT HOME PAGE
Description: ICESat/GLAS Data at NSIDC


Link: VIEW PROJECT HOME PAGE
Description: ICESat/GLAS Web site at NASA Goddard Space Flight Center


Link: VIEW PROJECT HOME PAGE
Description: ICESat/GLAS Web site at NASA Wallops Flight Facility


Link: VIEW PROJECT HOME PAGE
Description: ICESat/GLAS Web site at NASA Goddard Space Flight Center


Geographic Coverage
 N: 86.0 S: 65.0  E: 180.0  W: -180.0

Data Set Citation
Dataset Originator/Creator: Yi, Donghui, Jay Zwally
Dataset Title: Arctic Sea Ice Freeboard and Thickness
Dataset Release Date: 2009-04-30
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC: National Snow and Ice Data Center
Online Resource: http://nsidc.org/data/NSIDC-0393


Temporal Coverage
Start Date: 2005-10-21
Stop Date: 2005-11-24

Start Date: 2006-02-22
Stop Date: 2006-03-27

Start Date: 2006-05-24
Stop Date: 2006-06-26

Start Date: 2006-10-25
Stop Date: 2006-11-27

Start Date: 2007-03-12
Stop Date: 2007-04-14

Start Date: 2007-10-02
Stop Date: 2007-11-05


Location Keywords
GEOGRAPHIC REGION > ARCTIC
GEOGRAPHIC REGION > POLAR


Data Resolution
Latitude Resolution: 70 m
Longitude Resolution: 70 m
Temporal Resolution: 1 day


Science Keywords
CRYOSPHERE >SEA ICE >ICE DEPTH/THICKNESS    [Definition]
OCEANS >SEA ICE >ICE DEPTH/THICKNESS    [Definition]
OCEANS >SEA ICE    [Definition]
CRYOSPHERE >SEA ICE    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE


Platform
DMSP >Defense Meteorological Satellite Program    [Information]
ICESAT >Ice, Cloud and Land Elevation Satellite    [Information]
SATELLITES    [Information]


Instrument
GLAS >Geoscience Laser Altimeter System    [Information]
SSMI >Special Sensor Microwave/Imager    [Information]


Project
ICESAT >Ice, Cloud and Land Elevation Satellite    [Information]
ESIP >Earth Science Information Partners Program    [Information]
EOSDIS >Earth Observing System Data Information System    [Information]


Keywords
Arctic Sea Ice
GLAS
ICESat
Ice Thickness
Sea Ice
Special Sensor Microwave/Imager
SSM/I


Data Set Progress
COMPLETE


Originating Center
NSIDC_DAAC


Data Center
NSIDC Distributed Active Archive Center    [Information]
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


National Snow and Ice Data Center    [Information]
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 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



Distribution
Distribution_Media: FTP
Distribution_Size: 8 MB
Distribution_Format: Binary

Distribution_Media: FTP
Distribution_Size: 932 MB
Distribution_Format: ASCII Text (.txt)


Personnel
DONGHUI YI
Role: INVESTIGATOR
Contact Address:
NASA Goddard Space Flight Center
Cryospheric Sciences Branch
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA


H. JAY ZWALLY
Role: INVESTIGATOR
Phone: 301-614-5643
Fax: 301-614-5644
Email: Jay.Zwally at nasa.gov
Contact Address:
Laboratory for Hydrospheric Processes
NASA/Goddard Space Flight Center
Code 614
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA


NSIDC USER SERVICES
Role: TECHNICAL CONTACT
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


Publications/References
Zwally, H. J., D. Yi, R. Kwok, and Y. Zhao. 2008. ICESat Measurements of Sea Ice Freeboard and Estimates of Sea Ice Thickness in the Weddell Sea. Journal of Geophysical Research 113(C02S15), doi: 10.1029/2007JC004284. Warren, S. G., I. G. Rigor, N. Untersteiner, V. F. Radionov, N. N. Bryazgin, Y. I. Aleksandrov, and R. Colony. 1999. Snow Depth on Arctic Sea Ice. Journal of Climate 12: 1814 - 1829. Gloersen, P., W. J. Campbell, D. J. Cavalieri, J. C. Comiso, C. L. Parkinson, and H. J. Zwally. 1992. Arctic and Antarctic Sea Ice, 1978-1987: Satellite Passive-Microwave Observations and Analysis. NASA SP-511, 290 pp. Picot, N., K. Case, S. Desai, and P. Vincent. 2003. AVISO and PODAAC User Handbook, IGDR and GDR Jason Products. SMM-MU-M5-OP-13184-CN (AVISO), JPL D-21352 (PO.DAAC). Stackpole, J. D. 1994. The WTO Format for the Storage of Weather Product Information and the Exchange of Weather Product Message in Gridded Binary Form. NOAA Office Note 388. Dorandeu, J. and P. Y. Le Traon. 1999. Effects of Global Mean Atmospheric Pressure Variations on Mean Sea Level Changes from TOPEX/POSEIDON. Journal of Atmospheric and Oceanic Technology, 16(9), 1279-1283. Kwok, R., and G. F. Cunningham. 2008. ICESat Over Arctic Sea Ice: Estimation of Snow Depth and Ice Thickness. Journal of Geophysical Research 113(C08010), doi: 10.1029/2008JC004753.

Creation and Review Dates
DIF Creation Date: 2009-04-30
Last DIF Revision Date: 2014-05-20


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