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SUMMARY:Marine sedimentary carbon cycling - Harold Bradbury\, University o
 f Cambridge
DTSTART:20211022T140000Z
DTEND:20211022T150000Z
UID:TALK163228@talks.cam.ac.uk
CONTACT:Oscar Branson
DESCRIPTION:The removal of carbon from the surface of the planet is a crit
 ical component of the long-term carbon cycle\; this removal is through the
  deposition and subsequent burial of organic carbon and carbonate minerals
  in the ocean. Sedimentary\, post-depositional\, processes play a key role
  in the global carbon cycle as much of the organic carbon deposited in mar
 ine sediments is broken down through a series of microbial reactions\, rel
 easing the organic carbon and directly impacting the saturation state of c
 arbonate minerals. In this talk I will discuss my research into the driver
 s of modern sedimentary carbon cycling using approaches ranging from multi
 ple isotope system measurements\, machine learning 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 cycl
 ing in marine sediments over the Phanerozoic.
LOCATION:Department of Earth Sciences\, Tilley Lecture Theatre
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