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GLAS/ICESat L1B Global Waveform-based Range Corrections Data (HDF5) V034

Published by NASA NSIDC DAAC | National Aeronautics and Space Administration | Catalog Last Checked: January 10, 2026 at 07:45 PM | Dataset Last Updated: March 31, 2025
GLAH05 Level-1B waveform parameterization data include output parameters from the waveform characterization procedure and other parameters required to calculate surface slope and relief characteristics. GLAH05 contains parameterizations of both the transmitted and received pulses and other characteristics from which elevation and footprint-scale roughness and slope are calculated. The received pulse characterization uses two implementations of the retracking algorithms: one tuned for ice sheets, called the standard parameterization, used to calculate surface elevation for ice sheets, oceans, and sea ice; and another for land (the alternative parameterization). Each data granule has an associated browse product.

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