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Description

GLAH02 Level-1A atmospheric data include the normalized relative backscatter for the 532 nm and 1064 nm channels, and low-level instrument corrections such as laser energy (1064 nm and 532 nm), photon coincidence (532 nm), and detector gain correction (1064 nm). Each data granule has an associated browse product.

Version Description

For information about Version 33, visit the ICESat/GLAS Version History page

Product Summary

Platforms
ICESat
Instruments
ALTIMETERS ,
CD ,
GLAS ,
GPS ,
GPS Receiver ,
LA ,
PC
Spatial Extent

N: 86 S: -86 E: 180 W: -180

Spatial Resolution
60 Meters to 70 Meters x 60 Meters to 70 Meters
Spatial Reference System(s)
ITRF2008 (EPSG:5332)
Location
GLOBAL
Coordinate System
CARTESIAN
Granule Spatial Representation
NO_SPATIAL
Temporal Extent
2003-02-20 to 2009-10-11
Temporal Resolution
3 Hour
Concept ID
C2153547430-NSIDC_CPRD
Data State
COMPLETE
Number of Files/Granules
4306
Processing Level
1A
Published
Science Keywords
Sensor Counts ,
SENSOR COUNTS

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Zwally, H., Schutz, R., Dimarzio, J., & Hancock, D. (2013). GLAS/ICESat L1A Global Atmosphere Data (HDF5), Version 33 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/ICESAT/GLAS/DATA102 Date Accessed: 2026-08-23

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