. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Fig. 8. As in Fig. 6 except for leg 4. these terms but is typically smaller. The potential vorticity in both legs thus is approximately conserved from intervals A to B for leg 2 and C to D for leg 3 (refer to Fig. 1). At point B, two of the drifters passed over a seamount with a consequent decrease in water depth to less than 300 m. Beyond point D, one drifter passed over Arrowsmith Bank while the other two remained in deeper water. 5. Discussion Th
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Fig. 8. As in Fig. 6 except for leg 4. these terms but is typically smaller. The potential vorticity in both legs thus is approximately conserved from intervals A to B for leg 2 and C to D for leg 3 (refer to Fig. 1). At point B, two of the drifters passed over a seamount with a consequent decrease in water depth to less than 300 m. Beyond point D, one drifter passed over Arrowsmith Bank while the other two remained in deeper water. 5. Discussion The observations and calculations presented here provide quantitative data on the magnitude for the velocities and the DKP of the Yucatan Current and the western Caribbean. It was found that the shear and normal deformations were the same order of mag- nitude as the vorticity and of the order of 10-5 s_1 or smaller. The horizontal divergence also was of this magnitude. Similar values for the divergence were re- ported by Chew and Berberian (1971) and Reed (1971). Finally, it was found that trajectories in the vicinity of the Yucatan Current axis approximately conserve potential vorticity. We feel that these results have significance beyond a contribution to the description of the regional oceanog- 666. 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 Administration. Research Laboratories; Environmental Research Laboratories (U. S. ). Washington, D. C. : U. S. Dept. of Commerce, Environmental Science Services Administration, Research Laboratories : For sale by Supt. of Docs. U. S. G. P. O.
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