Deep ocean carbonate chemistry and glacial-interglacial atmospheric co2 changes
Changes in deep ocean carbonate chemistry have profound implications for glacial-interglacial atmospheric CO2 changes. Here, we review deep ocean carbonate ion concentration ([CO2- 3]) changes based on the benthic foraminiferal boron-to-calcium ratio (B/Ca) and their links to global carbon reorganization since the last ice age. Existing deep ocean [CO2- 3] reconstructions are consistent with changes in the biological pump, in ocean stratification, and in the associated oceanic alkalinity...[Show more]
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