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SUMMARY:Bumps and Ramps in the Glacial CO2 Record - Professor Wally Broeck
 er (Lamont-Doherty Earth Observatory\, Columbia University
DTSTART:20170517T160000Z
DTEND:20170517T180000Z
UID:TALK72250@talks.cam.ac.uk
CONTACT:Dr Michelle Cain
DESCRIPTION:Please join us for this lecture in memorial of Harry Elderfiel
 d\, which will be followed by a reception in the foyer outside the lecture
  theatre. \n\nPlease register (free) to attend this event:\n\nhttps://goo.
 gl/forms/kGUJf1uVEGrEfqJH2\n\nBumps and Ramps in the Glacial CO2 Record\n\
 npresented by Wally Broecker (Lamont-Doherty Earth Observatory\, Columbia 
 University)\n\nA case will be made that the only times ocean storage of CO
 2 occurred was during 20kyr duration cold episodes (MIS 2\, 4\, 6…). Thi
 s storage was caused either by Atlantic stratification or iron fertilizati
 on. In either case\, these downward ‘bumps’ were temporary. Once the f
 orcing was removed the CO2 was returned to the atmosphere. These ‘bumps
 ’ modulate a downward ‘ramp’ in atmospheric CO2 content. My tentativ
 e conclusion is that they are the result of CO2 input starvation rather th
 an ocean storage
LOCATION:BMS Lecture Theatre\, Department of Chemistry
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