Journal ArticleDOI
Vertical Turbulent Diffusion in a Stably Stratified Fluid
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In this article, the vertical turbulent diffusion coefficient in a stably stratified fluid is derived analytically, without requiring that the flux Richardson number be known or specified, and the resulting expression for the diffusion coefficient is compared with the previous stratospheric results of Lilly et al.Abstract:
The vertical turbulent diffusion coefficient in a stably stratified fluid is derived analytically. This derivation does not require that the flux Richardson number be known or specified. The resulting expression for the diffusion coefficient is compared with the previous stratospheric results of Lilly et al. (1974) and its applicability to atmospheric diffusion and clear air turbulence is discussed.read more
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A simple eddy kinetic energy model for simulations of the oceanic vertical mixing: Tests at Station Papa and long-term upper ocean study site
TL;DR: In this paper, a simple eddy kinetic energy parameterization of the oceanic vertical mixing is presented, which is designed to simulate vertical mixing at all depths, from the upper boundary layer down to the abyss.
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Time and space scales of vertical mixing and advection of phytoplankton in the upper ocean
K. L. Denman,Ann E. Gargett +1 more
TL;DR: In this paper, the authors estimate time and space scales for 3D displacements of phytoplankton caused by turbulent mixing, internal waves, Langmuir circulations, and double diffusive processes.
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Measurement of turbulent energy dissipation rates in the middle atmosphere by radar techniques: A review
TL;DR: In this article, the effects of turbulence on the width of signal spectra received by these radars are discussed, and it is shown how turbulence intensities may be extracted from spectral width measurements.
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Dynamics of Lakes, Reservoirs, and Cooling Ponds
Jörg Imberger,Paul F. Hamblin +1 more
Journal ArticleDOI
Seasonal variation of turbulent energy dissipation rates at high latitudes as determined by in situ measurements of neutral density fluctuations
TL;DR: In the last 6 years a series of 22 sounding rockets were launched in order to investigate the dynamic state of the mesosphere and lower thermosphere as mentioned in this paper, and the high resolution of these measurements makes it possible to unambiguously deduce turbulent energy dissipation rates e from the spectra of the relative density fluctuations.