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UID:DUEVENT12194
SEQUENCE:0
DTSTAMP:20130524T121836Z
DTSTART:20120329T150000Z
DTEND:20120329T160000Z
STATUS:CONFIRMED
TRANSP:OPAQUE
LOCATION:W010, Main Geography Building
SUMMARY:Seminar: Professor Paul Valdes, Bristol University
DESCRIPTION:Professor Paul Valdes, Bristol University Title: "Modelling th
 e Last Glacial-Interglacial Cycle"  Abstract: Understanding and modelling 
 the changes in climate over the last 120,000 years is probably one of the 
 ultimate challenges of palaeoclimate research. Models have traditionally e
 ither focussed on particular time periods (such as the mid-Holocene or Las
 t Glacial Maximum) or used highly simplified, low resolution models to loo
 k at the transient changes. The talk will present a unique series of model
  simulations covering the whole of the last 120,000 years. We will compare
  the results to observational data and to examine the mechanisms of change
  within the model. We will also consider a variety of different feedback m
 echanisms, including the interactions between climate and vegetation, meth
 ane, and ice sheets. The results suggest that we have some skill at modell
 ing these processes. However, the causes of the long term changes in carbo
 n dioxide remains elusive.  ALL WELCOME
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