T. B. Larsen
Geological Survey of Denmark and Greenland
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Publication
Featured researches published by T. B. Larsen.
Geophysical Research Letters | 2010
Julia de Juan; Pedro Elosegui; Meredith Nettles; T. B. Larsen; James L. Davis; Gordon S. Hamilton; Leigh A. Stearns; Morten Andersen; Göran Ekström; Andreas P. Ahlstrøm; Lars Stenseng; S. Abbas Khan; René Forsberg
[1] Large calving events at Greenland’s largest outlet glaciers are associated with glacial earthquakes and near‐ instantaneous increases in glacier flow speed. At some glaciers and ice streams, flow is also modulated in a regular way by ocean tidal forcing at the terminus. At Helheim Glacier, analysis of geodetic data shows decimeter‐level periodic position variations in response to tidal forcing. However, we also observe transient increases of more than 100% in the glacier’s responsiveness to such tidal forcing following glacial‐earthquake calving events. The timing and amplitude of the changes correlate strongly with the step‐like increases in glacier speed and longitudinal strain rate associated with glacial earthquakes. The enhanced response to the ocean tides may be explained by a temporary disruption of the subglacial drainage system and a concomitant reduction of the friction at the ice‐bedrock interface, and suggests a new means by which geodetic data may be used to infer glacier properties. Citation: de Juan, J., et al. (2010), Sudden increase in tidal response linked to calving and acceleration at a large Greenland outlet glacier, Geophys. Res. Lett., 37, L12501,
Earth and Planetary Science Letters | 2005
Prakash Kumar; Rainer Kind; Winfried Hanka; K. Wylegalla; C. Reigber; Xiaohui Yuan; I. Woelbern; P. Schwintzer; Kevin Fleming; Trine Dahl-Jensen; T. B. Larsen; Johannes Schweitzer; Keith Priestley; Olafur Gudmundsson; Detlef Wolf
Geophysical Research Letters | 2008
Meredith Nettles; T. B. Larsen; Pedro Elosegui; Gordon S. Hamilton; Leigh A. Stearns; Andreas P. Ahlstrøm; James L. Davis; Morten Andersen; J. de Juan; Shfaqat Abbas Khan; Lars Stenseng; Göran Ekström; René Forsberg
Journal of Geophysical Research | 2010
Monica Levy Andersen; T. B. Larsen; Meredith Nettles; Pedro Elosegui; D. van As; Gordon S. Hamilton; Leigh A. Stearns; James L. Davis; Andreas P. Ahlstrøm; J. de Juan; Göran Ekström; Lars Stenseng; Shfaqat Abbas Khan; René Forsberg; Dorthe Dahl-Jensen
Journal of Glaciology | 2011
Mogens L. Andersen; Meredith Nettles; Pedro Elosegui; T. B. Larsen; Gordon S. Hamilton; Leigh A. Stearns
Geophysical Research Letters | 2005
Nur Ucisik; Olafur Gudmundsson; Keith Priestley; T. B. Larsen
Geophysical Journal International | 2018
Fiona Darbyshire; Trine Dahl-Jensen; T. B. Larsen; Peter Voss; Guillaume Joyal
Geophysical Journal International | 2017
Steven J. Gibbons; D B Harris; Trine Dahl-Jensen; Tormod Kværna; T. B. Larsen; B Paulsen; Peter Voss
Archive | 2010
Morten Andersen; Meredith Nettles; T. B. Larsen; Pedro Elosegui; Gordon S. Hamilton; James L. Davis
Geophysical Research Letters | 2010
Julia de Juan; Pedro Elosegui; Meredith Nettles; T. B. Larsen; James L. Davis; Gordon S. Hamilton; Leigh A. Stearns; Morten Andersen; Göran Ekström; Andreas P. Ahlstrøm; Lars Stenseng; S. Abbas Khan; René Forsberg