GLAS/ICESat L1B Global Waveform-based Range Corrections Data (HDF5), Version 33

Data Contributors HANCOCK, DAVID ZWALLY, H. JAY SCHUTZ, ROBERT DIMARZIO, JOHN Parameters GLACIERS/ICE SHEETS > GLACIER ELEVATION/ICE SHEET ELEVATION GLACIERS/ICE SHEETS > GLACIER TOPOGRAPHY/ICE SHEET TOPOGRAPHY GLACIERS/ICE SHEETS > ICE SHEETS TOPOGRAPHY > TERRAIN ELEVATION Instruments ALTIMETERS GLAS : GEOSCIENCE LASER ALTIMETER SYSTEM

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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.

Version 33 Summary

For information about Version 33, see the NSIDC ICESat Description of Data Releases page.

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Data Citation

The following example shows how to cite the use of this data set in a publication. For more information, see our Use and Copyright Web page.

Zwally, H., R. Schutz, J. Dimarzio, and D. Hancock. 2012. GLAS/ICESat L1B Global Waveform-based Range Corrections Data (HDF5). Version 33. [indicate subset used]. Boulder, Colorado USA: NASA DAAC at the National Snow and Ice Data Center. http://dx.doi.org/10.5067/ICESAT/GLAS/DATA105.

See Also

• ICESat/GLAS web site at NASA Wallops Flight Facility
• ICESat/GLAS web site at NASA Goddard Space Flight Center
• ICESat/GLAS web site at University of Texas
• ICESat/GLAS Data at NSIDC
• Polar Ice Sheet DEMs and Elevation Data
• Contact User Services