Internal-Inertial Waves in a Surgasso Sea Front

Mied, Richard P.; Shen, Chien-Hua; Trump, C. L.; Lindemann, Gloria J.

doi:10.1175/1520-0485(1986)016<1751:iiwias>2.0.co;2

Cited by 29 publications

(21 citation statements)

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“…Strong frontal jets occur in association with the surface expression of well developed fronts and when surface water converges toward the jets on both the warm and cold sides of the fronts (Mied et al 1986, Pollard & Regier 1992. Two latitudinal bands of fronts have been observed in the STCZ using satellite imagery of sea surface temperature (Halliwell & Cornillon 1989, Halliwell et al 1991, Weller 1991, but the locations and movements of these fronts vary within and among years.…”

Section: "mentioning

confidence: 99%

Species assemblages of leptocephali in the Sargasso Sea and Florida Current

Miller¹

1995

Mar. Ecol. Prog. Ser.

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Regional assemblages of leptocephali of 5 families of shelf eels (Chlopsidae, Congridae, Moringuldae, Muraenidae and Ophichthidae) from the Sargasso Sea and Florida Current were compared with hydrographic features and adult distributions. There were 2 major patterns in the distributions of the >37 species of leptocephali that were collected. First, more species and greater abundances were found at or south of fronts in the Subtropical Convergence Zone (STCZ) of the Sargasso Sea, with the most diverse assemblages at stations closest to fronts in the west. Second, the smallest leptocephali of all species were located close to the Bahama Banks, in the Florida Current and in stations close to southerly fronts in the western STCZ. The most distinct discontinuities in numbers of species occurred at fronts at the boundary between southern Sargasso Sea surface water and mixed convergence zone water Impoverished assemblages were found north of these fronts and in the eastern STCZ. Species richness was highest in the Florida Current and at the westernmost frontal station in the STCZ. Anticyclonic circulation northeast of the northern Bahamas may facilitate entrainment of leptocephali from the Bahamas and Florida Current into fronts in the STCZ, which appear to transport leptocephali eastward. The circulation patterns of the region are hypothesized to influence both the regional assemblage structure and the diversity of life history strategies that may be used by eels inhabiting the region.

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Section: "mentioning

confidence: 99%

Species assemblages of leptocephali in the Sargasso Sea and Florida Current

Miller¹

1995

Mar. Ecol. Prog. Ser.

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“…Until recently, internal wave energy fluxes in ocean observations were estimated by measuring the energy and using the dispersion relation to quantify the group velocity (e.g., Kunze and Sanford 1984;Mied et al 1986;Kunze et al 1995;D'Asaro et al 1995). This requires measuring the vertical, zonal, and meridional wavenumbers, which is only possible in wave fields that are dominated by a single wave and sampled with profile surveys that are conducted rapidly enough to avoid temporal aliasing.…”

Section: Introductionmentioning

confidence: 99%

Estimating Internal Wave Energy Fluxes in the Ocean

Nash

Alford

Kunze

2005

Journal of Atmospheric and Oceanic Technology

229

181

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Energy flux is a fundamental quantity for understanding internal wave generation, propagation, and dissipation. In this paper, the estimation of internal wave energy fluxes ͗uЈpЈ͘ from ocean observations that may be sparse in either time or depth are considered. Sampling must be sufficient in depth to allow for the estimation of the internal wave-induced pressure anomaly pЈ using the hydrostatic balance, and sufficient in time to allow for phase averaging. Data limitations that are considered include profile time series with coarse temporal or vertical sampling, profiles missing near-surface or near-bottom information, moorings with sparse vertical sampling, and horizontal surveys with no coherent resampling in time. Methodologies, interpretation, and errors are described. For the specific case of the semidiurnal energy flux radiating from the Hawaiian ridge, errors of ϳ10% are typical for estimates from six full-depth profiles spanning 15 h.

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“…Previous investigators suggested that the characteristics of the internal wave field are strongly modulated in space (Kunze and Sanford, 1984;Weller, 1985;Mied et. al., 1986) by the presence of an along-front jet-like flow field.…”

Section: B) Binningmentioning

confidence: 99%

“…Previous studies suggested that internal waves could be trapped near (Kunze, 1985;Kunze and Sanford, 1984;Weller 1985;Mied et al, 1986), or preferentially associated with (Wang, 1991;Weller, 1982) a front. In turn, elevated internal wave shear levels are thought to be related to enhanced turbulent dissipation (Gregg et al, 1986;Marmarino et al, 1987;Gregg, 1989).…”

Section: Introductionmentioning

confidence: 99%

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Observations of turbulence, internal waves and background flows : an inquiry into the relationships between scales of motion

Polzin¹

1992

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Internal-Inertial Waves in a Surgasso Sea Front

Cited by 29 publications

References 0 publications

Species assemblages of leptocephali in the Sargasso Sea and Florida Current

Species assemblages of leptocephali in the Sargasso Sea and Florida Current

Estimating Internal Wave Energy Fluxes in the Ocean

Observations of turbulence, internal waves and background flows : an inquiry into the relationships between scales of motion

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