Upwelling and convergence in the Middle Atlantic Bight Shelfbreak Front
Authors:
- 1 August 1998
- journal article
- Published by American Geophysical Union (AGU) in Geophysical Research Letters
- Vol. 25 (15) , 2765-2768
Abstract
Convergent and up welling circulation within the shelfbreak front in the Middle Atlantic Bight are detected using a dye tracer injected into the bottom boundary layer at the foot of the front. From the three day displacement and dispersion of two dye injections within the front we infer Lagrangian isopycnal (diapycnal) velocities and diffusivities of 2 × 10−2 m/s (4 × 10−6 m/s) and 9 m²/s (6 × 10−6 m²/s). These results substantiate model predictions of Chapman and Lentz [1994] and previous dye tracer observations by Houghton [1997].Keywords
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