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Statistics of Richardson Number and Instability in Oceanic Internal Waves
probability density function Oceanic Internal Waves Richardson Number
2009/2/8
The probability density function (pdf) of Richardson number in a Gaussian internal-wave field is derived. It is found to compare well with available data. The pdf depends on only parameter λ, the rms ...
Richardson Number Profiles over the Continental Shelf
Continental Shelf Richardson Number Profiles
2009/2/6
The seasonal mid-water thermocline over the continental shelf has been examined with the aid of an oceanographic Richardson Number Probe. The overall Richardson number of this stable layer was found t...
Finescale Velocity-Density Characteristics and Richardson Number Statistics of the Eastern Equatorial Pacific
Eastern Equatorial Pacific Finescale Velocity-Density Characteristics
2009/1/20
An analysis of finescale horizontal-velocity shear and density data collected along 110°W longitude in the equatorial Pacific is presented. The measurements were made with the free-fall velocity–densi...
Richardson Number Statistics in the Seasonal Thermocline
Richardson Number Statistics Seasonal Thermocline
2009/1/16
Statistics of Richardson number in the seasonal thermocline are determined for a simple model and from experiments over the continental shelf. The model consists of normally distributed and uncorrelat...
Statistics of the Richardson Number：Mixing Models and Finestructure
Richardson Number Mixing Models
2008/12/10
Parameterization of the dissipation rate of turbulent kinetic energy () in terms of Richardson number (Ri = N2/S2) is examined for a variety in internal wave environments. Previous work with these dat...
Shear, Strain, and Richardson Number Variations in the Thermocline. Part II: Modeling Mixing
Richardson Number Variations Thermocline Modeling Mixing
2008/11/12
Gregg has provided observational evidence that averaged estimates of dissipation, , vary approximately as the square of the internal wave field energy level E2. He notes that the finding is consiste...
Shear, Strain, and Richardson Number Variations in the Thermocline. Part I: Statistical Description
Surface Waves Processes Experiment isopycnal-following frames Thermocline
2008/11/12
Quasi-continuous depth–time observations of shear (5.5-m, 6-min resolution) and strain, (η/z, (2-m, 2.1- min resolution) obtained from the R/P FLIP are applied to a study of Richardson number (Ri) sta...