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Overview: Concurrent simulation of eddies and tides in global 1/12 degree HYCOM
Brian K. Arbic, E. Joseph Metzger, James G. Richman, Robert B. Scott, Jay F. Shriver, Patrick G. Timko, Alan J. Wallcraft
University of Michigan
(Abstract received 12/20/2010 for session X)
ABSTRACT
Until recently, global modelling of the eddying general circulation and internal tides have been done separately. Recently these two threads of research have been brought together (Arbic, Wallcraft, and Metzger 2010, Ocean Modelling). In this talk, we 1) briefly discuss some of the technical obstacles that we faced in the development of tides in a general circulation model, 2) briefly review some of the recent progress made in the HYCOM tide simulations, which will be reported on in detail by co-authors, and 3) discuss some of the important challenges and opportunities the ONR-funded HYCOM tides project faces over the near future, as we strive towards a near-real-time 1/25 degree operational model with tides included. Particular attention in this talk will be paid to the astronomical tidal forcing, the self-attraction and loading, and especially the topographic wave drag, all of which still need to be improved in our HYCOM tide simulations.
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2011 LOM Workshop, Miami, Florida February 7 - 9, 2011