A viscoelastic model for wave propagation in the marginal ice zone

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• Sukun Cheng (Clarkson University)
• Tuesday 12 September 2017, 14:00-14:30
• Seminar Room 1, Newton Institute.

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SIPW01 - Multi-scale modelling of ice characteristics and behaviour

Co-author: Hayley H. Shen (Clarkson Univerisity)

Regional wave forecasts for the Arctic rely on a good understanding of wave propagation through sea ice covers. Disagreements among the models and the lack of field validations cause uncertainty in wave forecasts. A recent viscoelastic ice model has been developed to simulate a wide range of ice covers. This model synthesized several previous models that considered ice covers as a continuum. In this model, a simple parameterization is used to include both energy storage and dissipation mechanisms. However, the model has two parameters, the equivalent elasticity and viscosity, which need to be determined. In this presentation, we will describe the basis of this model, and its calibration using data from a recent field campaign.

This talk is part of the Isaac Newton Institute Seminar Series series.

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