Articles | Volume 15, issue 3
Clim. Past, 15, 913–926, 2019
https://doi.org/10.5194/cp-15-913-2019
Clim. Past, 15, 913–926, 2019
https://doi.org/10.5194/cp-15-913-2019
Research article
22 May 2019
Research article | 22 May 2019

Antarctic temperature and CO2: near-synchrony yet variable phasing during the last deglaciation

Jai Chowdhry Beeman et al.

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Short summary
Atmospheric CO2 was likely an important amplifier of global-scale orbitally-driven warming during the last deglaciation. However, the mechanisms responsible for the rise in CO2, and the coherent rise in Antarctic isotopic temperature records, are under debate. Using a stochastic method, we detect variable lags between coherent changes in Antarctic temperature and CO2. This implies that the climate mechanisms linking the two records changed or experienced modulations during the deglaciation.