Increased thermohaline stratification as a possible cause for an ocean anoxic event in the Cretaceous period

@article{Erbacher2001IncreasedTS,
  title={Increased thermohaline stratification as a possible cause for an ocean anoxic event in the Cretaceous period},
  author={Jochen Erbacher and Brian T. Huber and Richard D Norris and Molly J Markey},
  journal={Nature},
  year={2001},
  volume={409},
  pages={325-327}
}
Ocean anoxic events were periods of high carbon burial that led to drawdown of atmospheric carbon dioxide, lowering of bottom-water oxygen concentrations and, in many cases, significant biological extinction. Most ocean anoxic events are thought to be caused by high productivity and export of carbon from surface waters which is then preserved in organic-rich sediments, known as black shales. But the factors that triggered some of these events remain uncertain. Here we present stable isotope… CONTINUE READING
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