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Oxygen isotope cycles

Oxygen isotope measurements in foraminifera from deep-sea cores. Oxygen isotope measurements, combined from many cores, show cycles of warming and cooling. The diagram only shows the last million years, but cycles going back 5 million years have been measured.
Rights: The University of Waikato Te Whare Wānanga o Waikato
Published: 11 May 2011Size: 90.44 KB