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Boundary current eddies and their role in the restratification of the Labrador Sea

Characteristics of the last 4 yr of a 10-yr simulation forced by a surface heat flux Q(x,y,t) and an unstable Irminger Current. Shown are temperature (colors), mixed layer depth (black) and heat flux (red) for the central Labrador Sea.
CA Katsman, MA Spall, RS Pickart

An idealized model is used to study the restratification of the Labrador Sea after deep convection, with particular emphasis on the role of boundary current eddies shed near the west coast of Greenland. The boundary current eddies carry warm, buoyant Irminger Current waters into the Labrador Sea interior. For a realistic `end-of-winter\\\'-state, it is shown that these Irminger Current eddies are efficient in restratifying the convected water mass in the interior of the Labrador Sea. In addition, it is demonstrated that Irminger Current eddies can balance a significant portion of the atmospheric heat loss, and thus play an important role for the water mass transformation in the Labrador Sea.

Bibliografische gegevens

CA Katsman, MA Spall, RS Pickart. Boundary current eddies and their role in the restratification of the Labrador Sea
published, J. Phys. Oceanogr., 2004, 34

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