A new 1 km digital elevation model of the Antarctic derived from combined satellite radar and laser data – Part 1 : Data and methods

  title={A new 1 km digital elevation model of the Antarctic derived from combined satellite radar and laser data – Part 1 : Data and methods},
  author={Jonathan L. Bamber and Jos{\'e} Luis G{\'o}mez-Dans and Jennifer A. Griggs},
Digital elevation models (DEMs) of the whole of Antarctica have been derived, previously, from satellite radar altimetry (SRA) and limited terrestrial data. Near the ice sheet margins and in other areas of steep relief the SRA data tend to have relatively poor coverage and accuracy. To remedy this and to extend the coverage beyond the latitudinal limit of the SRA missions (81.5 ◦ S) we have combined laser altimeter measurements from the Geosciences Laser Altimeter System onboard ICESat with SRA… CONTINUE READING
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