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  • American Geophysical Union (AGU)  (7)
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Publisher
  • American Geophysical Union (AGU)  (7)
Language
Years
  • 1
    Online Resource
    Online Resource
    American Geophysical Union (AGU) ; 1979
    In:  Journal of Geophysical Research: Oceans Vol. 84, No. C8 ( 1979-08-20), p. 5097-5098
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 84, No. C8 ( 1979-08-20), p. 5097-5098
    Type of Medium: Online Resource
    ISSN: 0148-0227
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1979
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  • 2
    Online Resource
    Online Resource
    American Geophysical Union (AGU) ; 1985
    In:  Journal of Geophysical Research: Oceans Vol. 90, No. C6 ( 1985-11-20), p. 11765-11778
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 90, No. C6 ( 1985-11-20), p. 11765-11778
    Abstract: The evolution of an upwelling filament was studied over a 2‐week period by using satellite infrared images, and its thermohaline structure was mapped in situ. The surface velocity field consisted of a large meander extending offshore for at least 300 km. The northern branch was ∼40 km wide, flowing offshore at a peak velocity of 0.55 m/s; the southern branch was flowing inshore at 0.35 m/s. The offshore transport was more than 10 6 m 3 s −1 , larger than the Ekman transport. The meander was unstable to barotropic instabilities at a scale of ∼15 km. From a succession of images a surface convergence γ ≈ 8·10 −6 s −1 over 20 km was observed near the sharp front limiting the filament to the south. The ∼350 m width of the front indicates a separation of scales between the large‐scale strain field and the mixed‐layer turbulence parameterized with an eddy diffusion coefficient K H ≈ 0.25 m 2 s −1 . Thermohaline layers that originated at the convergence near the sharp front suggest a secondary circulation subducting denser waters to the south underneath the lighter northern water.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1985
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    SSG: 16,13
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  • 3
    Online Resource
    Online Resource
    American Geophysical Union (AGU) ; 1978
    In:  Journal of Geophysical Research: Oceans Vol. 83, No. C4 ( 1978-04-20), p. 1971-1979
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 83, No. C4 ( 1978-04-20), p. 1971-1979
    Abstract: Profiles of salinity and potential temperature in the deep ocean are presented which suggest the characteristic signature of two complementary mixing processes: vertical mixing within ∼50‐m‐thick layers at boundaries and topographic features and lateral advection and eventual smearing of these mixed layers along iopycnal surfaces. The combined effect of these two processes is often parametrically disguised as a vertical eddy diffusivity in one‐dimensional models. An estimate shows that the two processes can account for all the vertical mixing in the deep ocean without any vertical diffusion in the interior.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1978
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    SSG: 16,13
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  • 4
    Online Resource
    Online Resource
    American Geophysical Union (AGU) ; 1985
    In:  Journal of Geophysical Research: Oceans Vol. 90, No. C6 ( 1985-11-20), p. 11779-11782
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 90, No. C6 ( 1985-11-20), p. 11779-11782
    Abstract: Spectral slopes are shown to be only very weak constraints for testing turbulence theories. They are primarily a consequence of applying spectral analysis to flows that are not wavelike but contain simple structures represented by a broad extension in wave number space.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1985
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    SSG: 16,13
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  • 5
    Online Resource
    Online Resource
    American Geophysical Union (AGU) ; 1987
    In:  Journal of Geophysical Research: Oceans Vol. 92, No. C13 ( 1987-12-15), p. 14679-14680
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 92, No. C13 ( 1987-12-15), p. 14679-14680
    Abstract: The concept of maximal exchange through a strait applies to all such flows for which an exchange control region is bounded by supercritical flows at both ends. This includes flows subject to frictional and time dependent effects
    Type of Medium: Online Resource
    ISSN: 0148-0227
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1987
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    detail.hit.zdb_id: 3094104-0
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    detail.hit.zdb_id: 710256-2
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    SSG: 16,13
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  • 6
    Online Resource
    Online Resource
    American Geophysical Union (AGU) ; 1976
    In:  Journal of Geophysical Research Vol. 81, No. 27 ( 1976-09-20), p. 4983-4990
    In: Journal of Geophysical Research, American Geophysical Union (AGU), Vol. 81, No. 27 ( 1976-09-20), p. 4983-4990
    Type of Medium: Online Resource
    ISSN: 0148-0227
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1976
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    SSG: 16,13
    Location Call Number Limitation Availability
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  • 7
    Online Resource
    Online Resource
    American Geophysical Union (AGU) ; 1980
    In:  Journal of Geophysical Research: Oceans Vol. 85, No. C1 ( 1980-01-20), p. 469-484
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 85, No. C1 ( 1980-01-20), p. 469-484
    Abstract: Three‐dimensional structure of the near‐bottom density field was observed with a towed yo‐yoing profiler and a fixed current/temperature measuring array on the Hatteras abyssal plain. A great variety of structures were seen. Immediately above the bottom a well‐mixed bottom layer extends vertically 5–60 m, with less than 1 m°C potential temperature change. This mixed layer is often capped by a region of strong vertical potential temperature gradient, with up to 100‐m°C potential temperature change in ∼10 m. The boundary layer may be uniform for 10 km or exhibit a bottom temperature gradient of up to 20 m°C/km. Interior layers of nearly constant potential temperature and horizontal extent of 2–100 km are seen ∼25% of the time above the bottom mixed layer. When an interior layer is present, the bottom mixed layer is thinner. On many occasions an interior layer was seen to be horizontally continuous with the bottom mixed layer, suggesting formation of interior layers by detachment of the bottom mixed layer. A benthic front was observed. Differential horizontal advection is required to explain the observed structures. Velocity fluctuations above 1 cph increase in energy near the bottom, presumably a signature of turbulence in the mixed layer; these fluctuations are modulated by the passage of structures observed in the moored record.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1980
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    SSG: 16,13
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    BibTip Others were also interested in ...
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