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Article

Effects of Wave-Induced Sea Ice Break-Up and Mixing in a High-Resolution Coupled Ice-Ocean Model

1
Department of Infrastructure Engineering, University of Melbourne, Melbourne, VIC 3010, Australia
2
Laboratory for Regional Oceanography and Numerical Modeling, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
3
Australian Antarctica Division and Australian Antarctic Programme Partnership, University of Tasmania, Hobart, TAS 7001, Australia
4
Environmental Science and Engineering, University of Northern British Columbia, Prince George, BC V2N 4Z9, Canada
*
Author to whom correspondence should be addressed.
Academic Editors: Mark D. Orzech and Jie Yu
J. Mar. Sci. Eng. 2021, 9(4), 365; https://doi.org/10.3390/jmse9040365
Received: 9 March 2021 / Revised: 25 March 2021 / Accepted: 26 March 2021 / Published: 29 March 2021
(This article belongs to the Special Issue The Ice-Ocean Boundary)
Arctic sea ice plays a vital role in modulating the global climate. In the most recent decades, the rapid decline of the Arctic summer sea ice cover has exposed increasing areas of ice-free ocean, with sufficient fetch for waves to develop. This has highlighted the complex and not well-understood nature of wave-ice interactions, requiring modeling effort. Here, we introduce two independent parameterizations in a high-resolution coupled ice-ocean model to investigate the effects of wave-induced sea ice break-up (through albedo change) and mixing on the Arctic sea ice simulation. Our results show that wave-induced sea ice break-up leads to increases in sea ice concentration and thickness in the Bering Sea, the Baffin Sea and the Barents Sea during the ice growth season, but accelerates the sea ice melt in the Chukchi Sea and the East Siberian Sea in summer. Further, wave-induced mixing can decelerate the sea ice formation in winter and the sea ice melt in summer by exchanging the heat fluxes between the surface and subsurface layer. As our baseline model underestimates sea ice cover in winter and produces more sea ice in summer, wave-induced sea ice break-up plays a positive role in improving the sea ice simulation. This study provides two independent parameterizations to directly include the wave effects into the sea ice models, with important implications for the future sea ice model development. View Full-Text
Keywords: wave-induced sea ice break-up; wave-induced mixing; ice-ocean coupled model wave-induced sea ice break-up; wave-induced mixing; ice-ocean coupled model
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MDPI and ACS Style

Li, J.; Babanin, A.V.; Liu, Q.; Voermans, J.J.; Heil, P.; Tang, Y. Effects of Wave-Induced Sea Ice Break-Up and Mixing in a High-Resolution Coupled Ice-Ocean Model. J. Mar. Sci. Eng. 2021, 9, 365. https://doi.org/10.3390/jmse9040365

AMA Style

Li J, Babanin AV, Liu Q, Voermans JJ, Heil P, Tang Y. Effects of Wave-Induced Sea Ice Break-Up and Mixing in a High-Resolution Coupled Ice-Ocean Model. Journal of Marine Science and Engineering. 2021; 9(4):365. https://doi.org/10.3390/jmse9040365

Chicago/Turabian Style

Li, Junde, Alexander V. Babanin, Qingxiang Liu, Joey J. Voermans, Petra Heil, and Youmin Tang. 2021. "Effects of Wave-Induced Sea Ice Break-Up and Mixing in a High-Resolution Coupled Ice-Ocean Model" Journal of Marine Science and Engineering 9, no. 4: 365. https://doi.org/10.3390/jmse9040365

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