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Dive into the research topics where T. B. Larsen is active.

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Featured researches published by T. B. Larsen.


Geophysical Research Letters | 2010

Sudden increase in tidal response linked to calving and acceleration at a large Greenland outlet glacier

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

The lithosphere–asthenosphere boundary in the North-West Atlantic region

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

Step‐wise changes in glacier flow speed coincide with calving and glacial earthquakes at Helheim Glacier, Greenland

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

Spatial and temporal melt variability at Helheim Glacier, East Greenland, and its effect on ice dynamics

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

Quantitative estimates of velocity sensitivity to surface melt variations at a large Greenland outlet glacier

Mogens L. Andersen; Meredith Nettles; Pedro Elosegui; T. B. Larsen; Gordon S. Hamilton; Leigh A. Stearns


Geophysical Research Letters | 2005

Seismic anisotropy beneath east Greenland revealed by shear wave splitting

Nur Ucisik; Olafur Gudmundsson; Keith Priestley; T. B. Larsen


Geophysical Journal International | 2018

Crust and uppermost-mantle structure of Greenland and the Northwest Atlantic from Rayleigh wave group velocity tomography

Fiona Darbyshire; Trine Dahl-Jensen; T. B. Larsen; Peter Voss; Guillaume Joyal


Geophysical Journal International | 2017

Locating seismicity on the Arctic plate boundary using multiple-event techniques and empirical signal processing

Steven J. Gibbons; D B Harris; Trine Dahl-Jensen; Tormod Kværna; T. B. Larsen; B Paulsen; Peter Voss


Archive | 2010

Surface Melt and its Effect on Helheim Glacier Dynamics

Morten Andersen; Meredith Nettles; T. B. Larsen; Pedro Elosegui; Gordon S. Hamilton; James L. Davis


Geophysical Research Letters | 2010

Sudden increase in tidal response linked to calving and acceleration at a large Greenland outlet glacier: GLACIER TIDAL RESPONSE LINKED TO CALVING

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

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Trine Dahl-Jensen

Geological Survey of Denmark and Greenland

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Pedro Elosegui

Spanish National Research Council

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Andreas P. Ahlstrøm

Geological Survey of Denmark and Greenland

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René Forsberg

Technical University of Denmark

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Winfried Hanka

Free University of Berlin

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Morten Andersen

Geological Survey of Denmark and Greenland

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