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ICESat / GLAS Data

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

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Product Format and Definition Changes with Release-31


Changes are summarized below. More information about product formats is available on the NASA Wallops Flight Facility's Web site at Version 5.6 GLAS Files.


GLA06

  • Added pole tide (i_polTide)
  • Changed i_msRngCorr and i_msCorrFlg to spares
  • Changed description on i_cntRngOff
  • Updated documentation for i_DEM_hires_elv to reflect change to ICESat DEM

GLA09

  • Added a computed value (previously unfilled) for i_FRg_grd_sig

GLA12

  • Added pole tide (i_polTide)
  • Changed i_msRngCorr and i_msCorrFlg to spares
  • Changed description on i_cntRngOff
  • Updated documentation for i_DEM_hires_elv to reflect change to ICESat DEM

GLA13

  • Added pole tide (i_polTide)
  • Changed i_msRngCorr and i_msCorrFlg to spares
  • Changed description on i_cntRngOff
  • Updated documentation for i_DEM_hires_elv to reflect change to ICESat DEM

GLA14

  • Added pole tide (i_polTide)
  • Changed i_msRngCorr and i_msCorrFlg to spares
  • Changed description on i_cntRngOff
  • Updated documentation for i_DEM_hires_elv to reflect change to ICESat DEM
  • Corrected the calculation of i_garea on GLA14.

GLA15

  • Added pole tide (i_polTide)
  • Changed i_DEM_elv to i_MSS_elv
  • Changed i_msRngCorr and i_msCorrFlg to spares
  • Changed description on i_cntRngOff