Abstract:<p>The leading hypotheses proposed to explain the rise in atmospheric CO2 during the last glacial to interglacial transition proposes enhanced carbon transfer from the intermediate and deep oceans to the atmosphere via the intensification of southern ocean upwelling. To test this scenario, we generated a high resolution record of boron isotopes (d<sup>11</sup>B) and B/Ca (proxies for pH and carbonate ion concentration, respectively) measured on shells of the benthic fo… Show more
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