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SUMMARY:Modelling Climate and Water Isotope Signatures of El Niño in the 
 Mid-Pliocene Warm Period - Dr Julia Tindall\, University of Leeds
DTSTART:20161206T140000Z
DTEND:20161206T150000Z
UID:TALK68387@talks.cam.ac.uk
CONTACT:Max Holloway
DESCRIPTION:The isotope enabled version of the Hadley Centre model (HadCM3
 ) has been used to investigate El Niño in the mid-Pliocene Warm Period (~
 3.2Ma).  This model does not simulate a permanent Pliocene El Niño\, but 
 instead shows ENSO variability which is reasonably similar to the modern. 
 The model shows large centennial scale variability in ENSO\, making it dif
 ficult to state whether the amplitude of El Niño was stronger or weaker i
 n the Pliocene\; however the simulation consistently shows a decrease in t
 he frequency of El Niño in the Pliocene and a change in the structure wit
 h El Niño temperature anomalies shifted towards the central Pacific.  Her
 e we will consider how this different structure would appear in oxygen iso
 topes measured in proxy data at locations throughout the Pacific.  We will
  show that there could be different ways of interpreting proxy data from t
 his time and will highlight regions where the model suggests the interpret
 ation of the proxy data is more robust.
LOCATION:British Antarctic Survey\, Room 330B
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