Articles | Volume 14, issue 11
https://doi.org/10.5194/tc-14-4265-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-14-4265-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Nov 2020
Research article |
| 27 Nov 2020
| 27 Nov 2020
Experimental evidence for a universal threshold characterizing wave-induced sea ice break-up
Joey J. Voermans
CORRESPONDING AUTHOR
Department of Infrastructure Engineering, University of Melbourne, Parkville, Australia
Jean Rabault
Norwegian Meteorological Institute, Oslo, Norway
Department of Mathematics, University of Oslo, Oslo, Norway
Kirill Filchuk
Arctic and Antarctic Research Institute (AARI), St. Petersburg, Russian Federation
Ivan Ryzhov
Arctic and Antarctic Research Institute (AARI), St. Petersburg, Russian Federation
Petra Heil
Australian Antarctic Division and Australian Antarctic Program Partnership, University of Tasmania, Hobart, Australia
Aleksey Marchenko
The University Centre in Svalbard, Longyearbyen, Norway
Clarence O. Collins III
Coastal and Hydraulics Laboratory, U.S. Army Engineering Research and Development Center, Duck, North Carolina, USA
Mohammed Dabboor
Science and Technology Branch, Environment and Climate Change Canada, Dorval, Canada
Graig Sutherland
Environmental Numerical Prediction Research, Environment and Climate Change Canada,
Dorval, Canada
Alexander V. Babanin
Department of Infrastructure Engineering, University of Melbourne, Parkville, Australia
Laboratory for Regional Oceanography and Numerical Modeling, National Laboratory for Marine Science and Technology, Qingdao, China
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Joey J. Voermans, Qingxiang Liu, Aleksey Marchenko, Jean Rabault, Kirill Filchuk, Ivan Ryzhov, Petra Heil, Takuji Waseda, Takehiko Nose, Tsubasa Kodaira, Jingkai Li, and Alexander V. Babanin
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Diana Francis, Kyle S. Mattingly, Stef Lhermitte, Marouane Temimi, and Petra Heil
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The unexpected September 2019 calving event from the Amery Ice Shelf, the largest since 1963 and which occurred almost a decade earlier than expected, was triggered by atmospheric extremes. Explosive twin polar cyclones provided a deterministic role in this event by creating oceanward sea surface slope triggering the calving. The observed record-anomalous atmospheric conditions were promoted by blocking ridges and Antarctic-wide anomalous poleward transport of heat and moisture.
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surface, Ocean Model., 71, 92–101, 2013b. a
Short summary
In this work we demonstrate the existence of an observational threshold which identifies when waves are most likely to break sea ice. This threshold is based on information from two recent field campaigns, supplemented with existing observations of sea ice break-up. We show that both field and laboratory observations tend to converge to a single quantitative threshold at which the wave-induced sea ice break-up takes place, which opens a promising avenue for operational forecasting models.
In this work we demonstrate the existence of an observational threshold which identifies when...
