Journal cover Journal topic
Climate of the Past An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/cpd-6-2483-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
09 Nov 2010
Review status
This discussion paper is a preprint. It has been under review for the journal Climate of the Past (CP). A final paper in CP is not foreseen.
Robustness of the Atlantic-Pacific flow reversal in the early miocene
E. Bernsen and H. A. Dijkstra Institute for Marine and Atmospheric research Utrecht, Utrecht University, Utrecht, The Netherlands
Abstract. Based on modeling results and interpretations of observations, it has been suggested that during the early Miocene, a reversal of the Atlantic-Pacific ocean flow through the Panama Strait has occurred. During the Oligocene the net transport was westward, from the Atlantic into the Pacific, whereas in the Miocene the sign of this transport likely reversed to a net eastward transport into the Atlantic. With a global ocean model for the Oligocene and Miocene continental configurations we study the robustness of this flow reversal by carrying out a broad sensitivity analysis, including bottom topography, details of the continental geometry and surface forcing. This sensitivity study is efficiently done by using recent methodology to compute equilibrium solutions to the model. The Atlantic-Pacific flow reversal appears a very robust feature of the global ocean model.

Citation: Bernsen, E. and Dijkstra, H. A.: Robustness of the Atlantic-Pacific flow reversal in the early miocene, Clim. Past Discuss., https://doi.org/10.5194/cpd-6-2483-2010, 2010.
E. Bernsen and H. A. Dijkstra
Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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RC C1186: 'Review of Bernsen and Dijkstra', Anonymous Referee #1, 16 Dec 2010 Printer-friendly Version 
 
RC C1544: 'Review of Bernsen & Dijkstra', Anonymous Referee #2, 10 Mar 2011 Printer-friendly Version 
E. Bernsen and H. A. Dijkstra
E. Bernsen and H. A. Dijkstra

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