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Nature 443, 920-921 (26 October 2006) | doi:10.1038/443920a; Published online 25 October 2006

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Palaeoceanography: In hot water

Christina L. De La Rocha1

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There has long been scepticism about the geochemical evidence that the ancient ocean was markedly warm. A fresh approach bolsters the case for an ocean that, in the distant past, was indeed quite hot.

Reconstructing past ocean temperatures is an obsession for many Earth scientists. That's understandable — such data provide insights into climate and its links to biogeochemical cycling, ocean circulation and tectonics, not to mention mass extinctions, evolutionary radiations, and other ups and downs of the biosphere.

  1. Christina L. De La Rocha is at the Alfred Wegener Institute for Polar and Marine Research, Columbusstras zlige, 27568 Bremerhaven, Germany.
    Email: crocha@awi-bremerhaven.de

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