Sediment Yields Climate Record for Past Half-Million Years
Wednesday, June 17, 2009 - 22:43
in Earth & Climate
Researchers have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years. The record, trapped within the top 20 meters of a 400-meter sediment core drilled in 2005 in the North Atlantic Ocean by the Integrated Ocean Drilling Program, gives new information about the four glacial cycles that occurred during that period.
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