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Experimental evidence for a universal threshold characterizing wave-induced sea ice break-up


Voermans, JJ and Rabault, J and Filchuk, K and Ryzhov, I and Heil, P and Marchenko, A and Collins, CO and Dabboor, M and Sutherland, G and Babanin, AV, Experimental evidence for a universal threshold characterizing wave-induced sea ice break-up, Cryosphere, 14, (11) pp. 4265-4278. ISSN 1994-0416 (2020) [Refereed Article]


Copyright Statement

Copyright the Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License.

DOI: doi:10.5194/tc-14-4265-2020


Waves can drastically transform a sea ice cover by inducing break-up over vast distances in the course of a few hours. However, relatively few detailed studies have described this phenomenon in a quantitative manner, and the process of sea ice break-up by waves needs to be further parameterized and verified before it can be reliably included in forecasting models. In the present work, we discuss sea ice break-up parameterization and demonstrate the existence of an observational threshold separating breaking and non-breaking cases. This threshold is based on information from two recent field campaigns, supplemented with existing observations of sea ice break-up. The data used cover a wide range of scales, from laboratory-grown sea ice to polar field observations. Remarkably, we show that both field and laboratory observations tend to converge to a single quantitative threshold at which the wave-induced sea ice breakup takes place, which opens a promising avenue for robust parametrization in operational forecasting models.

Item Details

Item Type:Refereed Article
Keywords:sea ice, waves, sea ice break up, forecasting
Research Division:Earth Sciences
Research Group:Oceanography
Research Field:Physical oceanography
Objective Division:Environmental Management
Objective Group:Management of Antarctic and Southern Ocean environments
Objective Field:Antarctic and Southern Ocean ice dynamics
UTAS Author:Heil, P (Dr Petra Heil)
ID Code:143580
Year Published:2020
Web of Science® Times Cited:14
Deposited By:Oceans and Cryosphere
Deposited On:2021-03-25
Last Modified:2022-08-24
Downloads:10 View Download Statistics

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