. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography » * "CURRENT EDGE8. -VORTEX STREET 4* ⢠â¢Â«Â»â . COZUMEL ISLANDS*^/ ' -. >^J^Sfij 1 ; f Figure Negative print (ERTS ID 1029-15413) of computer-contrast- stretched (8<DN<16; n=2) MSS-5 image of Yucatan and Cozumel, Mexico, observ- ed on 21 August 1972. The Yucatan Current's cyclonic edge can be seen emerg- ing from between the island and the mainland. In the lee of Cozumel is a vortex pattern which causes a disturbance i
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography » * "CURRENT EDGE8. -VORTEX STREET 4* ⢠â¢Â«Â»â . COZUMEL ISLANDS*^/ ' -. >^J^Sfij 1 ; f Figure Negative print (ERTS ID 1029-15413) of computer-contrast- stretched (8<DN<16; n=2) MSS-5 image of Yucatan and Cozumel, Mexico, observ- ed on 21 August 1972. The Yucatan Current's cyclonic edge can be seen emerg- ing from between the island and the mainland. In the lee of Cozumel is a vortex pattern which causes a disturbance in the surface velocity profile well downstream. Horizontal distance across image is 135 km. Surface current velocities were determined by the geostrophic method from the hydrographic transect of Yucatan Strait on 21-22 August 1972; station location is given in figure Station spacing was very nearly 18 km, and the north component of the surface speeds relative to 700 dB, from Yucatan to Cuba, were: 103, 145, 80, 119, 73, 88, 62, and 35 cm sec-1. The low value of 80 cm sec *, bracketed by higher values of 145 and 119 cm sec , is in the middle of the vortex zone shown in figure This cross correlation of hydrographic and satellite data is taken as evidence that the observed double maxima is caused by topographic-induced vortex generation, and it explains one type of fine-scale structure as eddies imbedded in the main flow of the Yucatan Current. 406. 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
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