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Norwegian-American Scientific Traverse of East Antarctica

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Investigations of surface topography and dynamics by GPS, by the University of Oslo, the University of Maine and the Norwegian Polar Institute.

Science ObjectivesGPS antenna

  • Determine spatial variability of surface topography
  • Validate remote sensing data
  • Determine local topography around drill sites
  • Determine flow vectors at drill sites

MethodsGPS rover

  • Dual-frequency GPS receivers
  • Kinematic GPS along the driving route
  • Static GPS measurements of snow stakes

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