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SUMMARY:Natural and forced behaviour of the Pacific Walker Circulation ove
 r the past 800 years - Georgina Falster\, Australian National University
DTSTART:20240424T163000Z
DTEND:20240424T180000Z
UID:TALK211828@talks.cam.ac.uk
CONTACT:Jinheum Park
DESCRIPTION:The Pacific Walker Circulation (PWC) is an important part of t
 he global climate system\, and affects weather and climate all over the wo
 rld. However\, our observational records of the climate system are too sho
 rt to characterise the PWC’s long-term internal variability\, as well as
  how the PWC responds to external forcings such as volcanic eruptions and 
 anthropogenic forcings.\n\nIn this seminar I will share a reconstruction o
 f the PWC’s behaviour over the past 800 years. I will outline how I calc
 ulated this reconstruction using a network of globally-distributed water i
 sotope proxy records\, as well as how I quantified uncertainties from diff
 erent sources. I will share some new insights this reconstruction has allo
 wed\, including a close examination of the PWC’s response to both volcan
 ic and anthropogenic forcing.  
LOCATION:Small Lecture Theatre\, Department of Geography\, Downing Site
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