Wave attenuation in drifting sea ice: a mechanistic model for observed decay profiles

Ransome, Rhys, Proment, Davide, Renfrew, Ian and Alberello, Alberto (2026) Wave attenuation in drifting sea ice: a mechanistic model for observed decay profiles. Journal of Fluid Mechanics, 1030. ISSN 0022-1120

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Abstract

Wave–sea-ice interactions shape the transition zone between open ocean and pack ice in the polar regions. Most theoretical paradigms, implemented in coupled wave–sea-ice models, predict exponential decay of the wave energy but some recent observations deviate from this behaviour. Expanding on a framework based on wave energy dissipation due to ice–water drag, we account for drifting sea ice to derive an improved model for wave energy attenuation. Analytical solutions replicate the observed non-exponential wave energy decay and the spatial evolution of the effective attenuation rate in Antarctic sea ice.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Engineering, Mathematics and Physics Faculty of Science > School of Environmental Sciences University of East Anglia Research Groups/Centres > Theme - ClimateUEA
UEA Research Groups:	Faculty of Science > Research Groups > Quantum Matter Faculty of Science > Research Groups > Fluids & Structures Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences
Depositing User:	LivePure Connector
Date Deposited:	09 Mar 2026 14:30
Last Modified:	15 Mar 2026 07:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/102273
DOI:	10.1017/jfm.2026.11262

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