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CATEGORIES:Department of Earth Sciences Seminars (downtown)
SUMMARY:Marine sedimentary carbon cycling - Harold Bradbur
 y\, University of Cambridge
DTSTART;TZID=Europe/London:20211022T150000
DTEND;TZID=Europe/London:20211022T160000
UID:TALK163228AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/163228
DESCRIPTION:The removal of carbon from the surface of the plan
 et is a critical component of the long-term carbon
  cycle\; this removal is through the deposition an
 d subsequent burial of organic carbon and carbonat
 e minerals in the ocean. Sedimentary\, post-deposi
 tional\, processes play a key role in the global c
 arbon cycle as much of the organic carbon deposite
 d in marine sediments is broken down through a ser
 ies of microbial reactions\, releasing the organic
  carbon and directly impacting the saturation stat
 e of carbonate minerals. In this talk I will discu
 ss my research into the drivers of modern sediment
 ary carbon cycling using approaches ranging from m
 ultiple isotope system measurements\, machine lear
 ning and reactive transport modelling. I will then
  show how this improved understanding can be used 
 to determine how changing oceanic conditions would
  have impacted carbon cycling in marine sediments 
 over the Phanerozoic.
LOCATION:Department of Earth Sciences\, Tilley Lecture Thea
 tre
CONTACT:Oscar Branson
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