Articles | Volume 14, issue 1
The Cryosphere, 14, 261–286, 2020
https://doi.org/10.5194/tc-14-261-2020
The Cryosphere, 14, 261–286, 2020
https://doi.org/10.5194/tc-14-261-2020

Research article 28 Jan 2020

Research article | 28 Jan 2020

Glacial sedimentation, fluxes and erosion rates associated with ice retreat in Petermann Fjord and Nares Strait, north-west Greenland

Kelly A. Hogan et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (14 Nov 2019) by Chris R. Stokes
AR by Kelly Hogan on behalf of the Authors (24 Nov 2019)  Author's response    Manuscript
ED: Publish as is (29 Nov 2019) by Chris R. Stokes
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Short summary
Glacial sediments in fjords hold a key record of environmental and ice dynamic changes during ice retreat. Here we use a comprehensive geophysical survey from the Petermann Fjord system in NW Greenland to map these sediments, identify depositional processes and calculate glacial erosion rates for the retreating palaeo-Petermann ice stream. Ice streaming is the dominant control on glacial erosion rates which vary by an order of magnitude during deglaciation and are in line with modern rates.