Climap

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CLIMAP

(Acronym for Climate: Long-range Investigation Mapping and Prediction.) A project that reconstructed sea surface temperatures 18 000 years before present (BP).

The temperature information was derived from properties of deep-ocean sediments sampled by means of corers, and provided strong support for the role of Milankovitch variations as a pacemaker for climate fluctuations. The primary attributes used were the species composition of planktonic organisms found in the sediments, and the oxygen isotopic composition of foraminiferan skeletons.

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