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David Evans and Wolfgang Müller Deep time foraminifera Mg/Ca paleothermometry: Nonlinear correction for secular change in seawater Mg/Ca Paleoceanography 27

Version of Record online: 10 NOV 2012 | DOI: 10.1029/2012PA002315

Key Points

  • Previously reported 'deep-time' foraminifera Mg/Ca temperatures are inaccurate
  • This results from an erroneous linear correction for seawater Mg/Ca variation
  • We show this via an example and detail an appropriate nonlinear correction

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