• The NSIDC DAAC is retiring access to its legacy, on-premises data archive and transitioning to the NASA Earthdata Cloud as the primary data archive. View planned retirement dates here.

ICESat/GLAS

Ice, Cloud, and land Elevation / Geoscience Laser Altimeter System
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Data

The following table includes the official ICESat/GLAS mission data currently available from NSIDC DAAC. These data products have been produced and validated by the ICESat/GLAS Science Team. NOTE: Access to GLAS binary data was removed 01 August, 2017. All GLAS data are available in HDF5 format.

Data for this collection: 15
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NAMETEMPORAL COVERAGEPARAMETER(S)
GLAS/ICESat L1A Global Altimetry Data (HDF5), Version 33 (GLAH01) - Waveform
GLAS/ICESat L1A Global Atmosphere Data (HDF5), Version 33 (GLAH02) - SENSOR COUNTS
GLAS/ICESat L1A Global Engineering Data (HDF5), Version 33 (GLAH03) - TOTAL TEMPERATURE
GLAS/ICESat L1A Global Laser Pointing Data (HDF5), Version 33 (GLAH04) - ATTITUDE CHARACTERISTICS | VIEWING GEOMETRY
GLAS/ICESat L1B Global Waveform-based Range Corrections Data (HDF5), Version 34 (GLAH05) - GLACIER ELEVATION/ICE SHEET ELEVATION | GLACIER TOPOGRAPHY/ICE SHEET TOPOGRAPHY | ICE SHEETS | TERRAIN ELEVATION
GLAS/ICESat L1B Global Elevation Data (HDF5), Version 34 (GLAH06) - GLACIER ELEVATION/ICE SHEET ELEVATION | GLACIER TOPOGRAPHY/ICE SHEET TOPOGRAPHY | ICE ROUGHNESS | ICE SHEETS | REFLECTANCE | SEA SURFACE HEIGHT | SEA SURFACE SLOPE | SURFACE ROUGHNESS | TERRAIN ELEVATION
GLAS/ICESat L1B Global Backscatter Data (HDF5), Version 33 (GLAH07) - AEROSOL BACKSCATTER | SCATTERING | TERRAIN ELEVATION
GLAS/ICESat L2 Global Planetary Boundary Layer and Elevated Aerosol Layer Heights (HDF5), Version 33 (GLAH08) - AEROSOL PARTICLE PROPERTIES | PLANETARY BOUNDARY LAYER HEIGHT
GLAS/ICESat L2 Global Cloud Heights for Multi-layer Clouds (HDF5), Version 33 (GLAH09) - CLOUD HEIGHT | CLOUD VERTICAL DISTRIBUTION
GLAS/ICESat L2 Global Aerosol Vertical Structure Data (HDF5), Version 33 (GLAH10) - AEROSOL BACKSCATTER | AEROSOL EXTINCTION | CLOUD REFLECTANCE | TRANSMITTANCE
GLAS/ICESat L2 Global Thin Cloud/Aerosol Optical Depths Data (HDF5), Version 33 (GLAH11) - AEROSOL OPTICAL DEPTH/THICKNESS | CLOUD OPTICAL DEPTH/THICKNESS
GLAS/ICESat L2 Global Antarctic and Greenland Ice Sheet Altimetry Data (HDF5), Version 34 (GLAH12) - GLACIER ELEVATION/ICE SHEET ELEVATION | GLACIER TOPOGRAPHY/ICE SHEET TOPOGRAPHY | ICE SHEETS | REFLECTANCE
GLAS/ICESat L2 Sea Ice Altimetry Data (HDF5), Version 34 (GLAH13) - ICE ROUGHNESS | REFLECTANCE | SEA ICE ELEVATION
GLAS/ICESat L2 Global Land Surface Altimetry Data (HDF5), Version 34 (GLAH14) - REFLECTANCE | TERRAIN ELEVATION
GLAS/ICESat L2 Ocean Altimetry Data (HDF5), Version 34 (GLAH15) - REFLECTANCE | SEA SURFACE HEIGHT | SEA SURFACE SLOPE
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