GLA14 contains the land elevation and elevation distribution corrected for geodetic and atmospheric affects calculated from algorithms fine-tuned for over land returns. Data granules contain 14 orbits of data within the land mask.
The purpose of this file is to provide land elevation data to the research user community. It will also include the laser footprint geolocation, reflectance, and the geodetic, instrument, and atmospheric corrections used to correct the range measurements. Parameters will be at the full 40 per second resolution, but only for locations that fall within the ICESat land mask.