Antarctic sea temperatures cooled in Holocene but now rising: study

The 43-meter-long marine sediment core was analyzed by Dr Amelia Shevenell, lecturer in Geography and Earth Sciences at University College London, and her colleagues. Dr Shevenell said good records of sea surface temperatures near the Antarctic ice sheet have not been available up to now, but the present research is starting to fill in the gaps.

The biological material in the sediments within the core gives a continuous profile of sea surface temperatures during the Holocene period, which extends back some 12,000 years from the present. This period has been characterized by a warm and relatively stable climate.

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