[Keyword='Antarctic Ice Sheet']
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GLAS/ICESat 500 m Laser Altimetry Digital Elevation Model of Antarctica
Entry ID:
NSIDC-0304
Summary
Abstract:
The Geoscience Laser Altimeter System (GLAS) instrument on the Ice, Cloud, and land Elevation Satellite (ICESat) provides global measurements of elevation, and repeats measurements along nearly-identical tracks; its primary mission is to measure changes in ice volume (mass balance) over time. This digital elevation model (DEM) of Antarctica is derived from GLAS/ICESat laser altimetry profile data ...
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Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
Data Set Citation
Dataset Originator/Creator:
John P. DiMarzio
Dataset Title:
GLAS/ICESat 500 m Laser Altimetry Digital Elevation Model of Antarctica
Dataset Release Date:
2007-06-22
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-0304.html
Temporal Coverage
Start Date:
2003-02-01
Stop Date:
2005-06-30
Location Keywords
Data Resolution
Latitude Resolution:
500 m
Longitude Resolution: 500 m Horizontal Resolution Range: 500 meters - < 1 km Science Keywords
ISO Topic Category
Instrument
Project
Quality
Slope and elevation accuracy of the DEMs is best near the latitudinal limit of satellite coverage (±86∞), and provides a good representation of the ice sheet and mountain areas (based on comparison with satellite images). DEM accuracy decreases as track spacing between ICESat profiles increases equatorward.
... Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
Distribution
Distribution Media:
FTP
Distribution Size:
433,997,915 bytes compressed
Distribution Format:
binary
Personnel
Role:
INVESTIGATOR
Phone:
301-614-5893
Email:
john.dimarzio at gsfc.nasa.gov
Contact Address:
SGT, Inc.
NASA/Goddard Space Flight Center
Cryospheric Sciences Branch Code 614.1
City:
Greenbelt
Province or State:
MD
Postal Code:
20771
Country:
USA
Publications/References
Abshire, J., and 8 others. 2005. Geoscience Laser Altimeter System (GLAS) on the ICESat mission: on-orbit measurement performance. Geophysical Research Letters v. 32, L21S02, doi:10.1029/2005GL1024028.
Brenner, A., and 11 others. 2003. Derivation of range and range distributions from laser pulse waveform analysis for surface elevations, roughness, slope, and vegetations ... Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date:
2007-06-18
Last DIF Revision Date:
2010-03-09
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