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A viscoelastic model for wave propagation in the marginal ice zone

Presented by: 
Sukun Cheng Clarkson University
Date: 
Tuesday 12th September 2017 - 14:00 to 14:30
Venue: 
INI Seminar Room 1
Abstract: 
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.
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons