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Description

Level-1A altimetry data (GLAH01) include the transmitted and received waveform from the altimeter. Each data granule has an associated browse product.

Version Description

See https://nsidc.org/data/icesat/version-history

Product Summary

Platforms
ICESat
Instruments
ALTIMETERS ,
CD ,
GLAS ,
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
ORBIT
Temporal Extent
2003-02-20 to 2009-10-11
Temporal Resolution
23 Minute
Concept ID
C2153547306-NSIDC_CPRD
Data State
COMPLETE
Number of Files/Granules
34391
Processing Level
1A
Published
Updated
Science Keywords
Infrared Wavelengths

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., Bentley, C., Bufton, J., Herring, T., Minster, J.-B., Spinhirne, J., & Thomas, R. (2013). GLAS/ICESat L1A Global Altimetry Data (HDF5), Version 33 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/ICESAT/GLAS/DATA101 Date Accessed: 2026-09-17

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Publications Citing This Dataset

Filters
Title Year Author Topic
Inversion of Terrain Slope and Roughness with Satellite Laser Altimeter Zuo, Zhiqiang, Tang, Xinming, Li, Guoyuan, Ma, Yue, Zhang, Wenhao, Li, Song RADAR IMAGERY, Terrain Elevation, Topographical Relief Maps, Digital Elevation/Terrain Model (DEM), Reflectance, Infrared Wavelengths, Glacier Elevation/Ice Sheet Elevation, Glacier Topography/Ice Sheet Topography, Ice Sheets
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