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Professor Wally Broecker (Lamont-Doherty Earth Observatory, Columbia University
Wednesday 17 May 2017, 17:00-19:00
Bumps and Ramps in the Glacial CO2 Record
- 👤 Speaker: Professor Wally Broecker (Lamont-Doherty Earth Observatory, Columbia University
- 📅 Date & Time: Wednesday 17 May 2017, 17:00 - 19:00
- 📍 Venue: BMS Lecture Theatre, Department of Chemistry
Abstract
Please join us for this lecture in memorial of Harry Elderfield, which will be followed by a reception in the foyer outside the lecture theatre.
Please register (free) to attend this event:
https://goo.gl/forms/kGUJf1uVEGrEfqJH2
Bumps and Ramps in the Glacial CO2 Record
presented by Wally Broecker (Lamont-Doherty Earth Observatory, Columbia University)
A case will be made that the only times ocean storage of CO2 occurred was during 20kyr duration cold episodes (MIS 2, 4, 6…). This storage was caused either by Atlantic stratification or iron fertilization. In either case, these downward ‘bumps’ were temporary. Once the forcing was removed the CO2 was returned to the atmosphere. These ‘bumps’ modulate a downward ‘ramp’ in atmospheric CO2 content. My tentative conclusion is that they are the result of CO2 input starvation rather than ocean storage
Series This talk is part of the Cambridge Centre for Climate Science series.
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