Transport driven by eddy momentum fluxes in the Gulf Stream Extension region: Transport of the Gulf Stream Extension

R. J. Greatbatch, X. Zhai, M. Claus, L. Czeschel, W. Rath

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The importance of the Gulf Stream Extension region in climate and seasonal prediction research is being increasingly recognised. Here we use satellite-derived eddy momentum fluxes to drive a shallow water model for the North Atlantic Ocean that includes the realistic ocean bottom topography. The results show that the eddy momentum fluxes can drive significant transport, sufficient to explain the observed increase in transport of the Gulf Stream following its separation from the coast at Cape Hatteras, as well as the observed recirculation gyres. The model also captures recirculating gyres seen in the mean sea surface height field within the North Atlantic Current system east of the Grand Banks of Newfoundland, including a representation of the Mann Eddy.
Original languageEnglish
Article numberL24401
JournalGeophysical Research Letters
Issue number24
Publication statusPublished - 1 Dec 2010


  • Gulf Stream
  • transport
  • recirculation gyres
  • Reynolds stresses
  • eddy fluxes
  • climate

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