Articles | Volume 12, issue 10
Clim. Past, 12, 1949–1978, 2016
https://doi.org/10.5194/cp-12-1949-2016
Clim. Past, 12, 1949–1978, 2016
https://doi.org/10.5194/cp-12-1949-2016

Research article 12 Oct 2016

Research article | 12 Oct 2016

Ocean carbon cycling during the past 130 000 years – a pilot study on inverse palaeoclimate record modelling

Christoph Heinze et al.

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Short summary
Sensitivities of sediment tracers to changes in carbon cycle parameters were determined with a global ocean model. The sensitivities were combined with sediment and ice core data. The results suggest a drawdown of the sea surface temperature by 5 °C, an outgassing of the land biosphere by 430 Pg C, and a strengthening of the vertical carbon transfer by biological processes at the Last Glacial Maximum. A glacial change in marine calcium carbonate production can neither be proven nor rejected.