Valuable discussions with D. Chapman, R. Garvine, S. Lentz, and A. Valle-Levinson were of immeasurable value during the course of this work. The authors would also like to thank R. Signell for his assistance and expertise with the Blumberg–Mellor model, and A. Blumberg for permission to use the model code. This work was supported by Gulf of Maine Regional Marine Research Program Grant UM-S227 and Office of Naval Research Grant N00014-01-1-0200. DAF also acknowledges the support of OCE-9907110 and ONR-N00014-98-1-0785.
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