Subinertial hydrodynamics around a cape influenced by a western boundary current

AlYousif, Ahmad; Laurel-Castillo, Jorge Armando; So, Sangdon; Parra, Sabrina M.; Adams, P. N.; Valle‐Levinson, Arnoldo

doi:10.1016/j.ecss.2021.107199

Cited by 2 publications

(2 citation statements)

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“…Another important feature of the east coast of Florida is seasonal shifts in the prevailing longshore wind direction (Signorini and McClain, 2007;AlYousif et al, 2021), with a predominance of winds from the north in the fall and winter, and the reverse in the spring and summer. Longshore winds have a strong influence on the direction of currents along the inner shelf of Florida (Signorini and McClain, 2007;Miles and He, 2010;AlYousif et al, 2021). Seasonal changes in these wind patterns change the origin of water masses entering the CCS, which play a role in defining phytoplankton biomass and composition in the region.…”

Section: Phytoplankton Biomass Trendsmentioning

confidence: 99%

“…The Cape Canaveral shelf (CCS) is bordered on the eastern side by the Gulf Stream, which impacts the region via eddies that propagate from the western side of the stream and upwelling of deep Gulf Stream water, particularly during the summer (Atkinson, 1977;Atkinson et al, 1978;Iafrate et al, 2019). The shelf region is also impacted by wind-driven longshore currents along the east coast of Florida (Lee et al, 1985;AlYousif et al, 2021). Longshore currents from the north flow toward the CCS and are subject to influxes of nutrient-and phytoplankton-rich water from rivers and inlets linked to estuaries within the system of barrier islands spanning the east coast of Florida.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Seasonality of phytoplankton biomass and composition on the Cape Canaveral shelf of Florida: Role of shifts in climate and coastal watershed influences

Stelling

Phlips²,

Badylak³

et al. 2023

Front. Ecol. Evol.

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Seasonal patterns of phytoplankton biomass and composition in the inner continental shelf off Cape Canaveral on the east coast of Florida were examined for a 6-year period (2013–2019). In situ water samples were collected and analyzed for chlorophyll a, phytoplankton biomass and composition, along with water quality parameters. Regional satellite data on chlorophyll a, and temperature was also obtained from NASA. Average chlorophyll a values over the study period ranged from 0.63 ± 0.03 μg L−1 in the summer to 2.55 ± 0.10 μg L−1 in the fall. Phytoplankton community composition also showed seasonal differences, with persistent dominance by picoplanktonic cyanobacteria in the summer, but mixed dominance by picocyanobacteria and dinoflagellates in the fall. Seasonal differences were attributed to a shift in predominant seasonal wind directions, which drive water along the coast from the north in the fall and winter, but from the south in the spring and summer, including eddies and upwelling from the Gulf Stream. Water masses moving along the Florida coast from the north are influenced by nutrient and phytoplankton-enriched inputs from estuaries along the north coast of Florida, explaining the higher phytoplankton biomass levels on the Cape Canaveral shelf in the fall and winter. Seasonal patterns observed in this study demonstrate the importance of allochthonous influences on phytoplankton biomass and composition, and highlight the potential sensitivity of phytoplankton communities to continuing cultural eutrophication and future climate changes, including the frequency and intensity of tropical storms, and alterations in discharges from land.

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