A topographic hinge-zone divides coastal and inland ice dynamic regimes in East Antarctica

Jane L. Andersen; Jennifer C. Newall; Ola Fredin; Neil F. Glasser; Nathaniel A. Lifton; Finlay M. Stuart; Derek Fabel; Marc Caffee; Vivi K. Pedersen; Alexandria J. Koester; Yusuke Suganuma; Jonathan M. Harbor; Arjen P. Stroeven

doi:10.1038/s43247-022-00673-6

Communications Earth & Environment (Jan 2023)

A topographic hinge-zone divides coastal and inland ice dynamic regimes in East Antarctica

Jane L. Andersen,
Jennifer C. Newall,
Ola Fredin,
Neil F. Glasser,
Nathaniel A. Lifton,
Finlay M. Stuart,
Derek Fabel,
Marc Caffee,
Vivi K. Pedersen,
Alexandria J. Koester,
Yusuke Suganuma,
Jonathan M. Harbor,
Arjen P. Stroeven

Affiliations

Jane L. Andersen: Department of Geoscience, Aarhus University
Jennifer C. Newall: Geomorphology & Glaciology, Department of Physical Geography, Stockholm University
Ola Fredin: Department of Geoscience and Petroleum, Norwegian University of Science and Technology
Neil F. Glasser: Centre for Glaciology, Department of Geography and Earth Sciences, Aberystwyth University
Nathaniel A. Lifton: Department of Earth, Atmospheric, and Planetary Sciences, Purdue University
Finlay M. Stuart: Scottish Universities Environmental Research Centre
Derek Fabel: Scottish Universities Environmental Research Centre
Marc Caffee: Department of Physics and Astronomy, and Purdue Rare Isotope Measurement Laboratory (PRIME Lab), Purdue University
Vivi K. Pedersen: Department of Geoscience, Aarhus University
Alexandria J. Koester: Department of Earth, Atmospheric, and Planetary Sciences, Purdue University
Yusuke Suganuma: National Institute of Polar Research
Jonathan M. Harbor: Geomorphology & Glaciology, Department of Physical Geography, Stockholm University
Arjen P. Stroeven: Geomorphology & Glaciology, Department of Physical Geography, Stockholm University

DOI: https://doi.org/10.1038/s43247-022-00673-6
Journal volume & issue: Vol. 4, no. 1
pp. 1 – 12

Abstract

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The Heimefrontfjella escarpment in Dronning Maud Land, East Antarctica divides inland precipitation-dominated ice dynamics from coastal dynamics dominated by grounding line migration, suggest inverse model simulations constrained by cosmogenic nuclide measurements.

Published in Communications Earth & Environment

ISSN: 2662-4435 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science: Geology; Geography. Anthropology. Recreation: Environmental sciences
Website: https://www.nature.com/commsenv/

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