Journal cover Journal topic
Climate of the Past An interactive open-access journal of the European Geosciences Union
Clim. Past, 13, 345-358, 2017
https://doi.org/10.5194/cp-13-345-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
18 Apr 2017
δ13C decreases in the upper western South Atlantic during Heinrich Stadials 3 and 2
Marília C. Campos et al.

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Our new planktonic foraminiferal stable carbon isotopic data from the western South Atlantic show major decreases during abrupt climate change events of the last glacial. These anomalies are likely related to periods of a sluggish Atlantic meridional overturning circulation and increase (decrease) in atmospheric CO2 (stable carbon isotopic ratios). We hypothesize that strengthening of Southern Ocean deep-water ventilation and weakening of the biological pump are responsible for these decreases.
Our new planktonic foraminiferal stable carbon isotopic data from the western South Atlantic...
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