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Overview of ICESat/GLAS. GLAS. Spaceborne Global Free Have been used for vegetation assessments. GLAS. ICESat/GLAS - launched January 2003, decommissioned August 2010 - footprint diameter ~ 65m - along-track footprint spacing 172 m - over 1.9 billion measurements made
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GLAS • Spaceborne • Global • Free • Have been used for vegetation assessments
GLAS • ICESat/GLAS - launched January 2003, decommissioned August 2010 - footprint diameter ~ 65m - along-track footprint spacing 172 m - over 1.9 billion measurements made globally • ICESat-2/ATLAS follow-on mission
ICESat-derived canopy height Credit: NASA Earth Observatory/Image by Jesse Allen and Robert Simmon/Based on data from Michael Lefsky
Data availability • http://nsidc.org/data/icesat/order.html • http://reverb.echo.nasa.gov • GLAS products • Laser operation periods