Nature Communications (Oct 2017)

Cenozoic global cooling and increased seawater Mg/Ca via reduced reverse weathering

  • Ann G. Dunlea,
  • Richard W. Murray,
  • Danielle P. Santiago Ramos,
  • John A. Higgins

DOI
https://doi.org/10.1038/s41467-017-00853-5
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 7

Abstract

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Reverse weathering reactions on or in the seafloor are a major sink of many elements and alkalinity in seawater. Here, the authors show how reduced rates of reverse weathering may be responsible for global cooling and increased seawater Mg/Ca over the past 50 million years.