Modification of the oxygen-isotope record in deep-sea cores by Pleistocene dissolution cycles

Jonathan Erez

doi:10.1038/281535a0

Modification of the oxygen-isotope record in deep-sea cores by Pleistocene dissolution cycles

Jonathan Erez^*

^*Corresponding author for this work

Fredy & Nadine Herrmann Institute of Earth Sciences

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

The glacial-interglacial amplitude (GIA) of oxygen-isotope curves in sediment cores from the Atlantic Ocean is much higher than the amplitude in the Pacific. This difference is explained by nonsynchronous CaCO₃ dissolution cycles during the Upper Pleistocene that amplify the GIA in the Atlantic and reduce the GIA in the Pacific. Efforts to assess palaeotemperatures in the Pleistocene using the stable isotope technique must consider the effects of dissolution.

Original language	English
Pages (from-to)	535-538
Number of pages	4
Journal	Nature
Volume	281
Issue number	5732
DOIs	https://doi.org/10.1038/281535a0
State	Published - 1979

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abstract = "The glacial-interglacial amplitude (GIA) of oxygen-isotope curves in sediment cores from the Atlantic Ocean is much higher than the amplitude in the Pacific. This difference is explained by nonsynchronous CaCO3 dissolution cycles during the Upper Pleistocene that amplify the GIA in the Atlantic and reduce the GIA in the Pacific. Efforts to assess palaeotemperatures in the Pleistocene using the stable isotope technique must consider the effects of dissolution.",

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AB - The glacial-interglacial amplitude (GIA) of oxygen-isotope curves in sediment cores from the Atlantic Ocean is much higher than the amplitude in the Pacific. This difference is explained by nonsynchronous CaCO3 dissolution cycles during the Upper Pleistocene that amplify the GIA in the Atlantic and reduce the GIA in the Pacific. Efforts to assess palaeotemperatures in the Pleistocene using the stable isotope technique must consider the effects of dissolution.

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Modification of the oxygen-isotope record in deep-sea cores by Pleistocene dissolution cycles

Abstract

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