ICESat/GLAS Mission Preservation Documents

This page lists names and links to publicly accessible documents related to the ICESat/GLAS mission. The documents are organized according to NASA Earth Science Data Preservation Content Specification (423-SPEC-001).

Notice to Long Term Archive (LTA) Users: The NASA ICESat/GLAS Long Term Archive at NSIDC preserves publicly accessible documents related to the ICESat/GLAS mission. Level-0 and ancillary products are available for distribution by request.  There is no support for Level-0 products, ancillary products, or other content in the LTA.

1. Preflight Operations Calibration

Test Plans

Misc. Hardware Component

2. Science Data Products

Raw Data and Derived Products

Level 0 Products

Contact NSIDC User Services to request Level 0 Products

Notice to Long Term Archive (LTA) Users: The NASA ICESat/GLAS Long Term Archive at NSIDC preserves publicly accessible documents related to the ICESat/GLAS mission. Level-0 and ancillary products are available for distribution by request.  There is no support for Level-0 products, ancillary products, or other content in the LTA.

  • GLA0ADDL - Altimeter Digitizer Data-Large
  • GLA0ADDS - Altimeter Digitizer Data-Small
  • GLA0ADEM - Altimeter Digitizer Engineering Mode
  • GLA0PCSP - Photon Counter Science Packet
  • GLA0CDSP - Cloud Digitizer Science Packet
  • GLA0ASP - Ancillary Science Packet
  • GLA0LPDP - Laser Profiler Array Data Packet
  • GLA0CHP - Command History Packet
  • GLA0CHT1 - Cmd & Telemetry Hardware Tlm #1
  • GLA0CHT2 - Cmd & Telemetry Hardware Tlm #2
  • GLA0CHT3 - Cmd & Telemetry Hardware Tlm #3
  • GLA0CHT4 - Cmd & Telemetry Hardware Tlm #4
  • GLA0CHT5 - Cmd & Telemetry Hardware Tlm #5 (spare)
  • GLA0SST1 - Small Software #1 Telemetry
  • GLA0LST1 - Large Software Telemetry #1
  • GLA0LST2 - Large Software Telemetry #2
  • GLA0DATA - DSP Data Memory Dump
  • GLA0CTDP - Cmd & Telemetry Dwell Packet
  • GLA0MDP1 - Memory Dwell Packet #1
  • GLA0MDP2 - Memory Dwell Packet #2
  • GLA0EVNT - Event Messages
  • GLA0TBLE - Table Dump
  • GLA0BORE - Boresight Calibration
  • GLA0PRAP - Position, Rate and Attitude Packet (PRAP)
  • GLA0GPS - Global Positioning System (GPS)

GLAS Standard Products (HDF5 format) Releases 633 & 634

Accessed via NSIDC Data Pool or Earthdata Search

  • GLAH01 - GLAS/ICESat L1A Global Altimetry Data - HDF5
  • GLAH02 - GLAS/ICESat L1A Global Atmosphere Data - HDF5
  • GLAH03 - GLAS/ICESat L1A Global Engineering Data - HDF5
  • GLAH04 - GLAS/ICESat L1A Global Laser Pointing Data - HDF5
  • GLAH05 - GLAS/ICESat L1B Global Waveform-based Range Corrections Data - HDF5
  • GLAH06 - GLAS/ICESat L1B Global Elevation Data - HDF5
  • GLAH07 - GLAS/ICESat L1B Global Backscatter Data - HDF5
  • GLAH08 - GLAS/ICESat L2 Global Planetary Boundary Layer and Elevated Aerosol Layer Heights - HDF5
  • GLAH09 - GLAS/ICESat L2 Global Cloud Heights for Multi-layer Clouds - HDF5
  • GLAH10 - GLAS/ICESat L2 Global Aerosol Vertical Structure Data - HDF5
  • GLAH11 - GLAS/ICESat L2 Global Thin Cloud/Aerosol Optical Depths Data - HDF5
  • GLAH12 - GLAS/ICESat L2 Antarctic and Greenland Ice Sheet Altimetry Data - HDF5
  • GLAH13 - GLAS/ICESat L2 Sea Ice Altimetry Data - HDF5
  • GLAH14 - GLAS/ICESat L2 Global Land Surface Altimetry Data - HDF5
  • GLAH15 - GLAS/ICESat L2 Ocean Surface Altimetry Data - HDF5

Metadata

  • Metadata are archived with the data product files

3. Product Documentation

6. Science Data Product Algorithm Inputs - Ancillary Data Products

Ancillary Data Products

Contact NSIDC User Services to request data

Notice to Long Term Archive (LTA) Users: The NASA ICESat/GLAS Long Term Archive at NSIDC preserves publicly accessible documents related to the ICESat/GLAS mission. Level-0 and ancillary products are available for distribution by request.  There is no support for Level-0 products, ancillary products, or other content in the LTA.

  • ANC01-0 - Subsetted Meteorological File
  • ANC01-1 - Subsetted Meteorological File
  • ANC01-2 - Subsetted Meteorological File
  • ANC01-3 - Subsetted Meteorological File
  • ANC01-4 - Subsetted Meteorological File
  • ANC01-5 - Subsetted Meteorological File
  • ANC01-6 - Subsetted Meteorological File
  • ANC01-7 - Subsetted Meteorological File
  • ANC01-8 - Subsetted Meteorological File
  • ANC01-9 - Subsetted Meteorological File
  • ANC04 - ICRF to ITRF Transformation Interpolation File
  • ANC07-0 - Constants-Error
  • ANC07-1 - Constants-Global
  • ANC07-2 - Constants-Atm
  • ANC07-3 - Constants-Elevation
  • ANC07-4 - Constants-Waveforms
  • ANC07-5 - Constants-L1A
  • ANC07-6 - Constants-Product Verify
  • ANC08 - Precision orbit
  • ANC09 - Precision Attitude
  • ANC12-0 - Digital Elevation Model - Fine
  • ANC12-1 - Digital Elevation Model - Coarse
  • ANC13 - Geoid
  • ANC16 - Load Tide Coefficients
  • ANC17 - Ocean Tide Coefficients
  • ANC18 - Standard Atmosphere
  • ANC20 - Predicted orbit
  • ANC22-1 (8 day) - Reference Orbit Ascending Nodes - 8 day
  • ANC22-2 (91 day) - Reference Orbit Ascending Nodes - 91 day
  • ANC22-3 (183 day) - Reference Orbit Ascending Nodes - 183 day
  • ANC25 - GPS-UTC Conversion
  • ANC27-0 - Regional Mask - Fine
  • ANC27-1 - Regional Mask - Coarse
  • ANC30 - Global aerosol categorization map
  • ANC31 - Aerosol tropospheric classification map
  • ANC33 - GLAS ISF/GLAS ISIPS Interface file
  • ANC35 - Ozone file
  • ANC38 - Multiple-scattering table
  • ANC41 - JPL Planetary Ephemeris
  • ANC45 ( - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15) - Product Metadata Template
  • ANC46 (-4, 8, 9, 20, 22, 25, 26, 33, 37, 39, 51, 52) - Ancillary Metadata Template
  • ANC51 - SRTM DEM Data (too many files - one for each track in the 8 day and 91 day orbits)
  • ANC52-1 - Range Saturation Correction Table
  • ANC52-2 - Energy Saturation Correction Table
  • ANC53 (54 files valid for Laser 2A) - Time-based aerosol tropospheric map
  • ANC54-1 - GLAS Derived DEM-Greenland index
  • ANC54-2 - GLAS Derived 1k DEM over Greenland
  • ANC54-3 - GLAS Derived DEM-Antarctica index
  • ANC54-4 - GLAS Derived 500m DEM over Greenland
  • ANC54-5 - Canadian DEM Index File
  • ANC54-6 - Canadian DEM Elevation File for (231-299 degrees east, 70-82 degree north)
  • ANC55 - Mean Sea Surface
  • ANC56 - Pole Tide
  • ANC57 - Global Bathymetry
  • ANC58 - Ground Track (too many files - one for each track in the 8 day and 91 day orbits)
  • ANC59 - Pointing Mode Table