Temporal Variability of Diapycnal Mixing in Shag Rocks Passage
نویسندگان
چکیده
منابع مشابه
Diapycnal Mixing and Internal Waves
Diapycnal mixing is an integral factor in the meridional overturning circulation of the ocean. The slow upwelling in the ocean interior across density surfaces requires counteracting diapycnal diffusion. Diapycnal diffusion in a stably stratified fluid requires mechanical energy and the availability of this energy might well be the controlling factor in setting the strength of the overturning c...
متن کاملMixing and diapycnal advection in the ocean
In the stratified ocean, vertical motions arise from both adiabatic and diabatic mechanisms. Diapycnal advection is the vertical component of flow across an isopycnal surface which occurs when mixing produces a divergent flux of buoyancy. Buoyancy forcing of the lateral flow by vortex stretching occurs when diapycnal advection rates vary with depth. Microstructure observations of enhanced turbu...
متن کاملIntensified Diapycnal Mixing in the Midlatitude Western Boundary Currents
The wind work on oceanic near-inertial motions is suggested to play an important role in furnishing the diapycnal mixing in the deep ocean which affects the uptake of heat and carbon by the ocean as well as climate changes. However, it remains a puzzle where and through which route the near-inertial energy penetrates into the deep ocean. Using the measurements collected in the Kuroshio extensio...
متن کاملOverlooked Role of Mesoscale Winds in Powering Ocean Diapycnal Mixing
Diapycnal mixing affects the uptake of heat and carbon by the ocean as well as plays an important role in global ocean circulations and climate. In the thermocline, winds provide an important energy source for furnishing diapycnal mixing primarily through the generation of near-inertial internal waves. However, this contribution is largely missing in the current generation of climate models. In...
متن کاملObservations of Enhanced Diapycnal Mixing near the Hawaiian Ridge
Profiles of potential density obtained from CTD casts at two stations at different distances from the Hawaiian ridge are examined for evidence of diapycnal turbulent mixing as indicated by density inversions and internalwave vertical strain. Results from independent casts are used to produce ensemble-averaged vertical distributions for the number of inversions and the Thorpe scale. Both paramet...
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ژورنال
عنوان ژورنال: Journal of Physical Oceanography
سال: 2012
ISSN: 0022-3670,1520-0485
DOI: 10.1175/2011jpo4573.1