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SUMMARY:Opening the black box: Glacial Isostatic Adjustment (GIA) modellin
 g in Antarctica - Pippa Whitehouse\, University of Durham
DTSTART:20131008T140000Z
DTEND:20131008T150000Z
UID:TALK47765@talks.cam.ac.uk
CONTACT:Rosie Williams
DESCRIPTION:Glacial Isostatic Adjustment (GIA) modelling - the study of ho
 w the earth system responds to surface load changes during a glacial cycle
  - can seem a little bit like a black box. In this talk I will open up tha
 t box\, and describe the underlying physical processes that we are trying 
 to model\, some unexpected feedbacks between these processes\, and discuss
  the data that we use to constrain and tune GIA models in Antarctica. Ther
 e is growing recognition  that\, in order to tease out the signal of prese
 nt-day ice mass change from gravity and altimetry observations\, we need t
 o carefully account for the residual GIA signal that is  associated with p
 ast ice mass changes. I will discuss cutting edge approaches to quantifyin
 g this signal and outline a few outstanding issues\, most of which will ne
 ed to be tackled via an inter-disciplinary approach.
LOCATION:British Antarctic Survey\, Room 187
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