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ATMOSPHERE-OCEAN CO2 EXCHANGE ACROSS THE LAST DEGLACIATION FROM THE BORON ISOTOPE PROXY | Strategic Carbon
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Paleoceanography
Shao, J., Stott, L., Gray, W.R., Rae, J.W.B., Greenop, R., Pecher, I., Coffin, R.B., Neil, H.

Identifying processes within the Earth System that have modulated atmospheric pCO2 during each glacial cycle of the late Pleistocene stands as one of the grand challenges in climate science.

The growing array of surface ocean pH estimates from the boron isotope proxy across the last glacial termination may reveal regions of the ocean that influenced the timing and magnitude of pCO2 rise. Here we present two new boron isotope records from the subtropical‐subpolar transition zone of the Southwest Pacific that span the last 20 kyr, as well as new radiocarbon data from the same cores.

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