Seasonal velocities of outlet glaciers of the Greenland ice sheet using GPS instruments

A.P. Ahlstrøm, S.B. Andersen, M.L. Andersen, H. Machguth, F.M. Nick, I. Joughin, C.H. Reijmer, R.S.W. van de Wal, J.P. Merryman Boncori, J.E. Box, M. Citterio, D. van As, R.S. Fausto, A. Hubbard

Research output: Chapter in Book/Report/Conference proceedingChapter in reportpeer-review


The use of GPS has made it possible to measure the velocity of outlet glaciers directly by frequent transmission of instrument positions. Naturally, this kind of observation is prone to instrument loss as the fast-flowing outlet glaciers constitute an extremely hostile environment. Yet the Geological Survey of Denmark and Greenland has initiated and maintained a campaign since 2009 to track velocity variations of selected ice sheet outlet glaciers. The tracking continues as part of the Programme for Monitoring of the Greenland Ice Sheet (PROMICE), but results presented below are for the period 2009-2012 which was the initial deployment in the EU project ice2sea as reported in Ahlstrøm et al. (2013)
Original languageEnglish
Title of host publicationInterim report of dynamic changes of land ice in the Arctic and North-Atlantic region
Subtitle of host publicationStability and variations of Arctic land ice
EditorsAndreas P. Ahlstrøm
PublisherNordic Centre of Excellence Stability and Variations of Arctic(SVALI)
Number of pages4
Publication statusPublished - 2014

Programme Area

  • Programme Area 5: Nature and Climate


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