Articles | Volume 15, issue 9
The Cryosphere, 15, 4357–4380, 2021
https://doi.org/10.5194/tc-15-4357-2021
The Cryosphere, 15, 4357–4380, 2021
https://doi.org/10.5194/tc-15-4357-2021

Research article 10 Sep 2021

Research article | 10 Sep 2021

Holocene sea-ice dynamics in Petermann Fjord in relation to ice tongue stability and Nares Strait ice arch formation

Henrieka Detlef et al.

Data sets

Sea-ice biomarkers, benthic and planktonic foraminiferal abundance, and total organic carbon in Holocene sediments from outer Petermann Fjord H. Detlef, B. T. Reilly, A. E. Jennings, M. Mørk Jensen, M. O’Regan, M. Glasius, J. Olsen, M. Jakobsson, and C. Pearce https://doi.org/10.1594/PANGAEA.929918

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Short summary
Here we examine the Nares Strait sea ice dynamics over the last 7000 years and their implications for the late Holocene readvance of the floating part of Petermann Glacier. We propose that the historically observed sea ice dynamics are a relatively recent feature, while most of the mid-Holocene was marked by variable sea ice conditions in Nares Strait. Nonetheless, major advances of the Petermann ice tongue were preceded by a shift towards harsher sea ice conditions in Nares Strait.