4-D Current Experiment

June 25 - August 10, 1999


Hollywood Beach, Florida

Four D Nick Shay's '4-D Ocean Currents Detected by Surface Current Radar and AUVs' Web Site
An animation of velocity vectors, horizontal divergence and relative vorticity that was made for the 2000 ONR Site Review.

Example Plots
Below are some still pictures from the animation. Clicking on an image loads a 640x480 pixel JPG image, clicking on the text loads the PostScript image.

Average Horizontal Divergence Average Normalized Relative Vorticity Tracer Release Locations Convegent/Divergent Zones

Figure 2.  

Along shore flow
July 10, 13:45 July 13, 20:00 July 14, 15:30 July 15, 11:00

Eddies
July 20, 04:00 July 20, 12:45 July 21, 00:00 August 3, 03:30

References

Pollution Release Tied to Invariant Manifolds: A Case Study for the Coast of Florida. F. Lekien, C. Coulliette, A.J. Mariano, E.H. Ryan, L.K. Shay, G. Haller and J. Marsden, Physica D, 210, 1-20, 2005.

Meeting Abstarcts

Near-Surface Transport and Mixing in High Frequency Radar Measurements on the Coast of Florida and Application to Contaminant Release, G. Haller, F. Lekien, A. Mariano, E. Ryan, L. K. Shay, 2002 LAPCOD Meeting, December 12-16, 2002, (B104).

Very-High Resolution Mapping of Surface Currents, L.K. Shay, H. Peters, A.J. Mariano, T.M. Cook, E.H. Ryan, T. Özgökmen,2000 LAPCOD Meeting, October 2-6, 2000, (A106).

Links
4-D Current Experiment