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Preprints
https://doi.org/10.5194/tcd-8-6235-2014
https://doi.org/10.5194/tcd-8-6235-2014
20 Dec 2014
 | 20 Dec 2014
Status: this preprint has been withdrawn by the authors.

Brief Communication: 2014 velocity and flux for five major Greenland outlet glaciers using ImGRAFT and Landsat-8

A. Messerli, N. B. Karlsson, and A. Grinsted

Abstract. This study presents average velocity fields, mass flux estimates and central flowline profiles for five major Greenland outlet glaciers; Jakobshavn Isbræ, Nioghalvfjerdsbræ, Kangerdlugssuaq, Helheim and Petermann glaciers, spanning the period (August) 2013–(September) 2014. The results are produced by the feature tracking toolbox, ImGRAFT using Landsat-8, panchromatic data. The resulting velocity fields agree with the findings of existing studies. Furthermore, our results show an unprecedented speed of over 50 m day−1 at Jakobshavn Isbræ as it continues to retreat. All the processed data will be freely available for download at http://imgraft.glaciology.net.

This preprint has been withdrawn.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
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This preprint has been withdrawn.

Short summary
We use 2014 Landsat-8 imagery in combination with a newly developed feature tracking toolbox,...
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