Sudden changes in North Atlantic circulation during the last deglaciation

  • Lehman S
  • Keigwin L
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Abstract

Sudden changes in the flow of warm Atlantic surface waters into the Norwegian Sea occurred frequently during the last deglaciation, typically involving shifts in sea surface temperature of >= 5 degree celcius fewer than 40 years. These led to equally large and rapid changes in atmospheric temperatures, and to shifts in Atlantic deep thermohaline circulation and ice-sheet melting rates.

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Authors

  • Scott J. Lehman

  • Lloyd D. Keigwin

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