Preprints
https://doi.org/10.5194/cpd-2-605-2006
https://doi.org/10.5194/cpd-2-605-2006

  23 Aug 2006

23 Aug 2006

Review status: this preprint was under review for the journal CP but the revision was not accepted.

Effect of vegetation on the Late Miocene ocean circulation

G. Lohmann1, M. Butzin2, A. Micheels3, T. Bickert3, and V. Mosbrugger3 G. Lohmann et al.
  • 1Alfred-Wegener-Institut für Polar- und Meeresforschung, Bussestr. 24, 27570 Bremerhaven, Germany
  • 2University of Bremen, P.O. Box 330440, 28334 Bremen, Germany
  • 3Senckenberg Research Institute and Natural History Museum, Senckenberganlage 25, 60325 Frankfurt am Main, Germany

Abstract. A weak and shallow thermohaline circulation in the North Atlantic Ocean is related to an open Central American gateway and exchange with fresh Pacific waters. We estimate the effect of vegetation on the ocean general circulation using the atmospheric circulation model simulations for the Late Miocene climate. Caused by an increase in net evaporation in the Miocene North Atlantic, the North Atlantic water becomes more saline which enhances the overturning circulation and thus the northward heat transport. This effect reveals a potentially important feedback between the ocean circulation, the hydrological cycle and the land surface cover for Cenozoic climate evolution.

G. Lohmann et al.

 
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement

G. Lohmann et al.

G. Lohmann et al.

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