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Filtering by: Contributor Cronn, Richard C. Remove constraint Contributor: Cronn, Richard C. Creator Moum, James N. Remove constraint Creator: Moum, James N. Has journal sim Journal of Geophysical Research Remove constraint Has journal sim: Journal of Geophysical Research

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  • Enhancement of fronts by vertical mixing

    Creator:
    Dewey, Richard K. and Moum, James N.
    Abstract:
    Microstructure observations near upwelled fronts indicate considerable variation in the structure of vertical mixing across the frontal region. Observations of cool filaments off northern California indicate that within the cool (dense) core of filaments the raised pycnocline inhibits the penetration to middepths of surface-generated mixing. The microstructure profiles are used...
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    Mixing RICHARD K. DEWEY AND JAMES N. MOUM College of Oceanography, Oregon State University, Corvallis

  • Microstructure activity within a minifilament in the Coastal Transition Zone

    Creator:
    Dewey, Richard K., Moum, James N., and Caldwell, Douglas R.
    Abstract:
    This paper presents observations of a dynamic minifilament and summarizes the findings of three microstructure surveys across and within the meandering current structures of the Coastal Transition Zone (CTZ). An actively turbulent minifilament is discussed and possible consequences of the small-scale processes with regard to frontal dynamics are examined. Four...
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    Microstructure Activity Within a Minifilament in the Coastal Transition Zone RICHARD K. DEWEY Science

  • Structure and dynamics of a coastal filament

    Creator:
    Dewey, Richard K., Moum, James N., Paulson, Clayton A., Caldwell, Douglas R., and Pierce, Stephen D.
    Abstract:
    Repeated microstructure transects across filaments in the coastal transition zone (CTZ) have Revealed fundamental structure and dynamics of the complicated features. The measurements allow detailed momentum and vorticity analyses and provide a possible explanations for structural asymmetry of the fronts. Observations made between July 2 and July 23, 1988, along...
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    Coastal Filament RICHARD K. DEWEY, 1 JAMES N. MOUM, CLAYTON A. PAULSON, DOUGLAS R. CALDWELL, AND

  • Dynamic instability of stratified shear flow in the upper equatorial Pacific

    Creator:
    Sun, Chaojiao, Smyth, William D., and Moum, James N.
    Abstract:
    The role of stratified shear instability in maintaining the deep cycle of turbulence immediately below the equatorial mixed layer is examined by means of linear stability analysis. The Taylor-Goldstein equation is solved numerically, using observed currents and stratification from the Tropical Instability Wave Experiment (TIWE). Multiple unstable modes are found,...
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    -07 t o.+oo (c)• ........ ..,,,..•..• .............. . .... ..,.- .... -3e-07

  • Local ocean response to a multiphase westerly wind burst 1. Dynamic response

    Creator:
    Smyth, William D., Hebert, D., and Moum, James N.
    Abstract:
    The dynamic response to a westerly wind burst which occurred during the Couple Ocean Atmosphere Response Experiment in the warm pool of the equatorial Pacific Ocean is described using velocity, hydrography, and microstructure measurements. Turbulent fluxes distributed momentum input from the wind over a near-surface layer of variable thickness. Coriolis...
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    1996 by the American Geophysical Union. Paper number 96JC02005. 0148-0227/96/96J C-02005509.00