[Source_Name: Short_Name='SEASAT 1']
Elevation Change of the Southern Greenland Ice Sheet from 1978-88
Entry ID: NSIDC-0223

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Summary
Abstract: Southern Greenland ice sheet elevation change estimates are derived from
SEASAT and GEOSAT radar altimetry data from 1978 to 1988. Data are
confined to 61-72 deg N, 30-50 deg W, above 1700 m elevation. The
addition of GEOSAT Geodetic Mission (GM) data results in twice as many
crossover points and 50% greater coverage than previous studies.
Coverage above 2000 m elevation is improved to 90%, and about 75% of the
area between 1700 m and 2000 m is now covered. Data are in ASCII text
format, available via FTP, and consist of elevation change rate (dH/dt,
cm/year) and corresponding error estimates in 50 km grid cells.
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Description: Access to Elevation Change of the Southern Greenland Ice Sheet from
1978-88 data and documentation.

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Geographic Coverage
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Spatial coordinates   
  N: 72.0   S: 61.0   E: -30.0   W: -52.0

Data Set Citation
Dataset Originator/Creator: Curt Davis, Craig Kluever, Bruce Haines
Dataset Title: Elevation Change of the Southern Greenland Ice Sheet from 1978-88
Dataset Release Date: 2001
Dataset Publisher: National Snow and Ice Data Center (NSIDC)
Online Resource: http://nsidc.org/data/nsidc-0223.html
Temporal Coverage
Start Date: 1978-01-01
Stop Date: 1988-12-31
Location Keywords
Data Resolution
Latitude Resolution: 50 km
Longitude Resolution: 50 km
Temporal Resolution: annual
Science Keywords
ISO Topic Category
Platform
GEOSAT > Geodetic Satellite Ancillary Description
SEASAT 1 > Ocean Dynamics Satellite Ancillary Description
Instrument
Radar Altimeters Ancillary Description
Project
Quality Refer to Davis et al. 2000 for details of orbit error analysis with
SEASAT and GEOSAT. Comparison with laser dH/dt results and other in-situ
data indicates that a typical error value for elevation change estimates
in a 50 km cell is approximately +/- 2 cm/yr (Davis et al. 2001).
Ancillary Keywords
Data Set Progress
COMPLETE
Originating Center
NSIDC
Data Center
NSIDC Distributed Active Archive Center Supplemental Info
Data Center URL: http://nsidc.org/daac/index.html
Dataset ID: NSIDC-0223

Data Center Personnel
Name: NSIDC DAAC 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: 10 KB
Distribution Format: ASCII
Personnel
CURT H. DAVIS
Role: INVESTIGATOR
Phone: +1 573-884-3789
Fax: +1 573-882-0397
Email: DavisCH at missouri.edu
Contact Address:
University of Missouri at Columbia
323 EBW
City: Columbia
Province or State: MO
Postal Code: 65211
Country: USA
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Publications/References
Davis, C.H., J.R. McConnell, J. Bolzan, J.L. Bamber, R.H. Thomas, and E.
Mosley-Thompson. 2001. Elevation change of the southern Greenland ice
sheet from 1978 to 1998: interpretation. Journal of Geophysical Research
106(D24): 33743-33754.

Davis, C.H., C.A. Kluever, B.J. Haines, C. Perez, and Y. ... View entire text
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2004-04-21
Last DIF Revision Date: 2010-03-09

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