Presented by:
Kara Peterson
Date:
Friday 8th December 2017 - 10:00 to 11:00
Venue:
INI Seminar Room 1
Abstract:
Satellite data obtained over the last couple decades have provided a wealth of information on sea ice motion and
deformation for use in model comparison and validation. The data clearly show
that ice deformation is focused along narrow linear features, which we would
like to capture accurately in models. In this talk we describe an
elastic-decohesive rheology that explicitly includes discontinuities in the
deformation field to represent sea ice cracks.
We compare results from an implementation in the UNM MPM sea ice model
and a preliminary implementation in the LANL CICE model with RADARSAT
Geophysical Processor System deformation data and results from
the standard elastic-viscous-plastic rheology.
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