Data Sets

The following tables list the standard NASA GLAS data products and the related GLAS data products available from NSIDC. To view the documentation for the standard GLAS data products, click on the long name in the Standard GLAS Data Products table; to order the standard data, see the Order Data Web page. To view the documentation and to order data for the related GLAS data products, click on the data product name in the Related GLAS Data Products table.

Standard GLAS Data Products (Binary)

Title Spatial Coverage Temporal Coverage Parameter(s)
GLAS/ICESat L1A Global Altimetry Data, Version 33 (GLA01) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Waveform
GLAS/ICESat L1A Global Atmosphere Data, Version 33 (GLA02) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Sensor Counts
GLAS/ICESat L1A Global Engineering Data, Version 33 (GLA03) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Total Temperature
GLAS/ICESat L1A Global Laser Pointing Data, Version 33 (GLA04) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Attitude Characteristics, Viewing Geometry
GLAS/ICESat L1B Global Waveform-based Range Corrections Data, Version 34 (GLA05) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Glacier Elevation/Ice Sheet Elevation, Glacier Topography/Ice Sheet Topography, Ice Sheets, Terrain Elevation
GLAS/ICESat L1B Global Elevation Data, Version 34 (GLA06) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Glacier Elevation/Ice Sheet Elevation, Glacier Topography/Ice Sheet Topography, Ice Roughness, Ice Sheets, Laser Reflectance, Sea Surface Height
GLAS/ICESat L1B Global Backscatter Data, Version 33 (GLA07) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Aerosol Backscatter Cross Section Profile, Scattering, Terrain Elevation
GLAS/ICESat L2 Global Planetary Boundary Layer and Elevated Aerosol Layer Heights, Version 33 (GLA08) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Aerosol Particle Properties, Planetary Boundary Layer Height
GLAS/ICESat L2 Global Cloud Heights for Multi-layer Clouds, Version 33 (GLA09) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Cloud Height, Cloud Vertical Distribution
GLAS/ICESat L2 Global Aerosol Vertical Structure Data, Version 33 (GLA10) N: 86, S: -86, E: 180, W: -180 2003/09/30 to 2009/10/11 Aerosol Backscatter, Aerosol Extinction, Cloud Reflectance, Transmittance
GLAS/ICESat L2 Global Thin Cloud/Aerosol Optical Depths Data, Version 33 (GLA11) N: 86, S: -86, E: 180, W: -180 2003/09/30 to 2009/10/11 Aerosol Optical Depth/Thickness, Cloud Optical Depth/Thickness
GLAS/ICESat L2 Antarctic and Greenland Ice Sheet Altimetry Data, Version 34 (GLA12) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Glacier Elevation/Ice Sheet Elevation, Glacier Topography/Ice Sheet Topography, Ice Sheets, Laser Reflectance, Reflectance
GLAS/ICESat L2 Sea Ice Altimetry Data, Version 34 (GLA13) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Ice Roughness, Laser Reflectance, Sea Ice Elevation
GLAS/ICESat L2 Global Land Surface Altimetry Data, Version 34 (GLA14) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Laser Reflectance, Terrain Elevation
GLAS/ICESat L2 Ocean Surface Altimetry Data, Version 34 (GLA15) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Laser Reflectance, Sea Surface Height, Sea Surface Slope

Standard GLAS Data Products (HDF5)

Title Spatial Coverage Temporal Coverage Parameter(s)
GLAS/ICESat L1A Global Altimetry Data (HDF5), Version 33 (GLAH01) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Waveform
GLAS/ICESat L1A Global Atmosphere Data (HDF5), Version 33 (GLAH02) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Sensor Counts
GLAS/ICESat L1A Global Engineering Data (HDF5), Version 33 (GLAH03) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Total Temperature
GLAS/ICESat L1A Global Laser Pointing Data (HDF5), Version 33 (GLAH04) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Attitude Characteristics, Viewing Geometry
GLAS/ICESat L1B Global Waveform-based Range Corrections Data (HDF5), Version 34 (GLAH05) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Glacier Elevation/Ice Sheet Elevation, Glacier Topography/Ice Sheet Topography, Ice Sheets, Terrain Elevation
GLAS/ICESat L1B Global Elevation Data (HDF5), Version 34 (GLAH06) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Glacier Elevation/Ice Sheet Elevation, Glacier Topography/Ice Sheet Topography, Ice Roughness, Ice Sheets, Laser Reflectance, Sea Surface Height
GLAS/ICESat L1B Global Backscatter Data (HDF5), Version 33 (GLAH07) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Aerosol Backscatter Cross Section Profile, Scattering, Terrain Elevation
GLAS/ICESat L2 Global Planetary Boundary Layer and Elevated Aerosol Layer Heights (HDF5), Version 33 (GLAH08) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Aerosol Particle Properties, Planetary Boundary Layer Height
GLAS/ICESat L2 Global Cloud Heights for Multi-layer Clouds (HDF5), Version 33 (GLAH09) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Cloud Height, Cloud Vertical Distribution
GLAS/ICESat L2 Global Aerosol Vertical Structure Data (HDF5), Version 33 (GLAH10) N: 86, S: -86, E: 180, W: -180 2003/09/30 to 2009/10/11 Aerosol Backscatter, Aerosol Extinction, Cloud Reflectance, Transmittance
GLAS/ICESat L2 Global Thin Cloud/Aerosol Optical Depths Data (HDF5), Version 33 (GLAH11) N: 86, S: -86, E: 180, W: -180 2003/09/30 to 2009/10/11 Aerosol Optical Depth/Thickness, Cloud Optical Depth/Thickness
GLAS/ICESat L2 Antarctic and Greenland Ice Sheet Altimetry Data (HDF5), Version 34 (GLAH12) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Glacier Elevation/Ice Sheet Elevation, Glacier Topography/Ice Sheet Topography, Ice Sheets, Laser Reflectance, Reflectance
GLAS/ICESat L2 Sea Ice Altimetry Data (HDF5), Version 34 (GLAH13) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Ice Roughness, Laser Reflectance, Sea Ice Elevation
GLAS/ICEsat L2 Global Land Surface Altimetry Data (HDF5), Version 34 (GLAH14) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Laser Reflectance, Terrain Elevation
GLAS/ICESat L2 Ocean Altimetry Data (HDF5), Version 34 (GLAH15) N: 86, S: -86, E: 180, W: -180 2003/02/20 to 2009/10/11 Laser Reflectance, Sea Surface Height, Sea Surface Slope

Related GLAS Data Products

Title Spatial Coverage Temporal Coverage Parameter(s)
GLAS/ICESat 500 m Laser Altimetry Digital Elevation Model of Antarctica, Version 1 (NSIDC-0304) N: -63, S: -86, E: 180, W: -180 2003/02/01 to 2005/06/30 Glacier Elevation/Ice Sheet Elevation
GLAS/ICESat 1 km Laser Altimetry Digital Elevation Model of Greenland, Version 1 (NSIDC-0305) N: 83, S: 60, E: -11, W: -73 2003/02/01 to 2005/06/30 Glacier Elevation/Ice Sheet Elevation
Arctic Sea Ice Freeboard and Thickness, Version 1 (NSIDC-0393) N: 86, S: 65, E: 180, W: -180 2008/02/17 to 2008/03/21
2005/05/20 to 2005/06/23
2005/02/17 to 2005/03/24
2004/10/03 to 2004/11/08
2004/05/18 to 2004/06/21
2004/02/17 to 2004/03/21
2003/09/25 to 2003/11/19
2003/02/20 to 2003/03/29
2008/10/04 to 2008/10/19
2005/10/21 to 2005/11/24
2006/02/22 to 2006/03/27
2006/05/24 to 2006/06/26
2006/10/25 to 2006/11/27
2007/03/12 to 2007/04/14
2007/10/02 to 2007/11/05 		Ice Depth/Thickness, Sea Ice
Antarctic 1 km Digital Elevation Model (DEM) from Combined ERS-1 Radar and ICESat Laser Satellite Altimetry, Version 1 (NSIDC-0422) N: -60, S: -86, E: 180, W: -180 2003/02/20 to 2008/03/21
1994/03/01 to 1995/01/31 		Coastal Elevation, Glacier Elevation/Ice Sheet Elevation, Terrain Elevation

Related GLAS Product(s) Not Archived at NSIDC

ICESat: Sea Ice Thickness and Freeboard