Articles | Volume 14, issue 12
The Cryosphere, 14, 4475–4494, 2020
https://doi.org/10.5194/tc-14-4475-2020
The Cryosphere, 14, 4475–4494, 2020
https://doi.org/10.5194/tc-14-4475-2020

Research article 04 Dec 2020

Research article | 04 Dec 2020

Last glacial ice sheet dynamics offshore NE Greenland – a case study from Store Koldewey Trough

Ingrid Leirvik Olsen et al.

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Short summary
We present marine geoscientific data from Store Koldewey Trough, one of the largest glacial troughs offshore NE Greenland, to reconstruct the ice drainage pathways, ice sheet extent and ice stream dynamics of this sector during the last glacial and deglaciation. The complex landform assemblage in the trough reflects a dynamic retreat with several periods of stabilization and readvances, interrupting the deglaciation. Estimates indicate that the ice front locally retreated between 80–400 m/year.