Journal
DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY
Volume 213, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.dsr2.2023.105346
Keywords
West Florida Shelf; Mean circulation; Seasonal variability; Long-term moored observations
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Time series data from a moored array of sensors are used to describe the long-term mean circulation and seasonal variations on the West Florida Continental Shelf. The observations reveal a coherent shelf-wide circulation pattern with alongshore and down-coast flow, and a coastal jet separating an upwelling region from a downwelling region influenced by the deeper ocean.
Time series from a moored array of current velocity and surface meteorological sensors, some with record lengths as long as 25 years, are used to describe both the long-term mean circulation and its seasonal variations on the West Florida Continental Shelf (WFS). The moorings are part of the University of South Florida's Coastal Ocean Monitoring and Prediction System (USF-COMPS), a network of ocean observing assets along with numerical circulation models, all used to describe and understand physical and ecological processes on the WFS. These USFCOMPS observations reveal a coherent, shelf-wide mean circulation pattern with depth-averaged flow directed alongshore and down-coast. The vertical structure and the seasonal variations further describe an inner-shelf, wind-driven upwelling region separated from a deeper-ocean influenced offshore downwelling region by a coastal jet. By adding to the record lengths from previous analyses, the statistics are shown to be robust, with the inferences drawn from shorter records being borne out by the present longer-term analyses.
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