. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography West Palm Beach* -2sr 30' INTERACTION BETWEEN CURVATURE AND LATERAL SHEAR VORTICITIES bo' 607 80*00' T I11 79°: + Ft. Lauderdale 26, oo'. —A *? I'/^Bimini \ '> \ • \ • \' \ i i i Fig. 1. The two dashed lines A and B mark the locations of velocity and density observations made by Schmitz in the period 24 May to 24 June, 1965. The curvilinear lines 1 to 11 mark the paths of shallow drifting drogues made by Chew & Berberian in the period 15 Febr
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography West Palm Beach* -2sr 30' INTERACTION BETWEEN CURVATURE AND LATERAL SHEAR VORTICITIES bo' 607 80*00' T I11 79°: + Ft. Lauderdale 26, oo'. —A *? I'/^Bimini \ '> \ • \ • \' \ i i i Fig. 1. The two dashed lines A and B mark the locations of velocity and density observations made by Schmitz in the period 24 May to 24 June, 1965. The curvilinear lines 1 to 11 mark the paths of shallow drifting drogues made by Chew & Berberian in the period 15 February to 9 March, 1969. First the model of the mean current is summarized and the features of interest identi- fied. Next, comparable features for the instanta- neous current and their interpretation from the viewpoint of potential vorticity conservation are presented. To explain the dynamics in- volved, the formulation of the equations that govern the individual change of curvature and lateral shear *vorticities separately are next reviewed. Finally, by use of these equations the limitations of the dynamics of the mean model are shown. Tellus XXVII (1975), 6 Potential vorticity in a mean Florida Current From a series of velocity and density measure- ments taken along the two lines labelled A and B in Fig. 1, Schmitz constructed a model of a mean Florida Current in terms of a single moving layer whose thickness, H, he identified as equal to the thickness of the surface layer with a vertically averaged sigma-f of Fig. 2 shows his cross-stream distribution of the thickness of the layer and its corresponding 155. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Atlantic Oceanographic and Meteorological Laboratories; Pacific Oceanographic Laboratories; United States. Environmental Science Services Adm
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