Integrated Science Education @ Georgia Tech

EAS


Support for Ice Age CO2 changes

At the end of the last ice age, changes in ocean circulation patterns led to increased atmospheric CO2 levels. In this article, analysis of opal deposition supports the hypothesis that the release of CO2 was a result of the reduction of the glacial north atlantic intermediate water causing antarctic overturning, rather than the alternative hypothesis that westerly wind-induced effects were the driver of CO2 release.

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