GLAS/ICESat L1B Global Backscatter Data (HDF5) V033

Published by NASA NSIDC DAAC | National Aeronautics and Space Administration | Metadata Last Checked: October 13, 2025 | Last Modified: 2025-04-01

GLAH07 Level-1B global backscatter data are provided at full instrument resolution. The product includes full 532 nm (41.1 to -1.0 km) and 1064 nm (20 to -1 km) calibrated attenuated backscatter profiles at 5 times per second, and from 10 to -1 km, at 40 times per second for both channels. Also included are calibration coefficient values and molecular backscatter profiles at once per second. Data granules contain approximately 190 minutes (2 orbits) of data. Each data granule has an associated browse product.

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	C189991867-NSIDC_ECS
issued	2003-02-20
landingPage	https://doi.org/10.5067/ICESAT/GLAS/DATA107
language	[ "en-US" ]
programCode	[ "026:001" ]
spatial	-180.0 -86.0 180.0 86.0
temporal	2003-02-20T00:00:00Z/2009-10-11T23:59:59.999Z
theme	[ "geospatial" ]