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SUMMARY:Ice\, mud\, and models: how paleo data assimilation is helping ill
 uminate our geologic past - Matthew Osman\, University of Cambridge
DTSTART:20230502T110000Z
DTEND:20230502T120000Z
UID:TALK196714@talks.cam.ac.uk
CONTACT:Oscar Branson
DESCRIPTION: Earth’s geologic past entrains a vast\, variable\, and high
 ly informative climatic archive.  Incidentally\, it is also often elusive 
 to ascertain. Whereas models and climatic proxies can both be used to info
 rm our geologic past\, each comes with its own challenges: Models rely on 
 imperfect physics and underlying assumptions\, whereas proxies are sparsel
 y situated and often uncertain. In recent years\, ‘paleo data assimilati
 on’ has arisen as a means of leveraging and combining these two archives
 .  In this talk\, I discuss the 'paleoDA' method including new approaches\
 , advances\, and future challenges (or\, pitfalls)\, illustrated through r
 ecent and ongoing climate reconstruction efforts that span three million y
 ears ago up to the recent Holocene. 
LOCATION:Department of Earth Sciences\, Tilley Lecture Theatre
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