BIP! Finder - Surface velocity of the Northeast Greenland Ice Stream (NEGIS): assessment of interior velocities derived from satellite data by GPS

2020 • Surface velocity of the Northeast Greenland Ice Stream (NEGIS): assessment of interior velocities derived from satellite data by GPS

Authors: Christine S. Hvidberg, Aslak Grinsted, Dorthe Dahl-Jensen, Shfaqat Abbas Khan, Anders Kusk, Jonas Kvist Andersen, Niklas Neckel, Anne Solgaard, Nanna B. Karlsson, Helle Astrid Kjær, Paul Vallelonga

Venue: The Cryosphere

Type: Article

Abstract: Abstract. The Northeast Greenland Ice Stream (NEGIS) extends around600 km upstream from the coast to its onset near the ice divide in interiorGreenland. Several maps of surface velocity and topography of interiorGreenland exist, but their accuracy is not well constrained by in situobservations. Here we present the results from a GPS mapping of surfacevelocity in an area located approximately 150 km from the ice divide nearthe East Greenland Ice-core Project (EastGRIP) deep-drilling site. A GPSstrain net consisting of 63 poles was established an... (read more)

Topics: Geodesy Remote sensing Geomorphology

DOI: 10.5194/tc-14-3487-2020

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External links: Crossref , OpenAIRE

References (44) Citations (13) BibTex PDF

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