American scientists have found
that the rapid rise in atmospheric carbon dioxide levels during the last
Ice Age was not caused by the release of CO2 from the deep ocean as
previously thought.
A new study using detailed radiocarbon
dating of foraminifera found in a sediment core from the Gorda Ridge off
Oregon reveals that the Northeast Pacific was not an important
reservoir of carbon during glacial times. The finding may send
scientists back to the proverbial drawing board looking for other
potential sources of CO2 during glacial periods. More Read
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