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Dropping ice shelves onto an ocean model; Moving grounding lines
Robert Hallberg
NOAA/GFDL
(Abstract received 12/17/2010 for session X)
ABSTRACT
The moving grounding line of ice-shelves is critical to studies of sea-level rise, but requires that ocean models are able to gracefully handle wetting and drying. This talk describes a number of changes to the baroclinic / barotropic splitting and other physical parameterizations that seem to enable GOLD to gracefully handle dynamic coupling with an ice-sheet and -shelf with a moving grounding line. This new capability is tested by dropping an ice shelf onto a idealized ocean from several meters above its resting position and watching the ocean model's response.
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2011 LOM Workshop, Miami, Florida February 7 - 9, 2011