The Interaction between an Internal Gravity Wave and Turbulence in the Stably-Stratified Nocturnal Boundary Layer

Finnigan, John; Einaudi, Franco; Fuà, D.

doi:10.1175/1520-0469(1984)041<2409:tibaig>2.0.co;2

Cited by 118 publications

(72 citation statements)

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“…Several observational studies suggest there is a coupling between the mean (or large-scale) flow and internal gravity waves [8][9][10]. As a result, various models for the interaction between a wave field and a mean background flow have been put forward [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Absorption of waves by large-scale winds in stratified turbulence

Leoni

Mininni

2015

Phys. Rev. E

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The atmosphere is a nonlinear stratified fluid in which internal gravity waves are present. These waves interact with the flow, resulting in wave turbulence that displays important differences with the turbulence observed in isotropic and homogeneous flows. We study numerically the role of these waves and their interaction with the large scale flow, consisting of vertically sheared horizontal winds. We calculate their space and time resolved energy spectrum (a four-dimensional spectrum), and show that most of the energy is concentrated along a dispersion relation that is Doppler shifted by the horizontal winds. We also observe that when uniform winds are let to develop in each horizontal layer of the flow, waves whose phase velocity is equal to the horizontal wind speed have negligible energy. This indicates a nonlocal transfer of their energy to the mean flow. Both phenomena, the Doppler shift and the absorption of waves traveling with the wind speed, are not accounted for in current theories of stratified wave turbulence.

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Section: Introductionmentioning

confidence: 99%

Absorption of waves by large-scale winds in stratified turbulence

Leoni

Mininni

2015

Phys. Rev. E

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“…It includes the experimental basis on which the local similarity theory, applied to stable boundary layers with continuous turbulence, has been established by Nieuwstadt (1984) and the more recent developments on the transitions between weakly and very stable boundary layers (Van de Wiel et al 2012. Another example is the Boulder Atmospheric Observatory, a 300-m tower that operated from 1978 to 2016 (Kaimal and Gaynor 1983) and has provided the observational framework for advances in distinct fields of meteorology, such as micrometeorology (Finnigan et al 1984;Panofsky 1984), instrumentation (Kaimal and Gaynor 1991), and air quality (Sievering 1982). More recently, the Zotino Tall Tower Observatory, a 302-m tower, has been deployed in central Siberia, with detailed observations of air chemistry and meteorology (Heimann et al 2014).…”

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confidence: 99%

Monitoring the Micrometeorology of a Coastal Site next to a Thermal Power Plant from the Surface to 140 m

Acevedo

Degrazia

Puhales

et al. 2018

Bulletin of the American Meteorological Society

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“…such that the sum of the last two terms in brackets represents the interaction between the wave field and the wavelike part of the turbulent stresses and constitutes a loss of kinetic energy (Finnigan et al, 1984). In this form, the shear production P now includes terms representing the wave-induced momentum flux, U W VW (4.37)…”

Section: Direct and Inertial Dissipation Methodsmentioning

confidence: 99%

An investigation of momentum exchange parameterizations and atmospheric forcing for the Coastal Mixing and Optics Program

Martin¹

1998

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This thesis presents an investigation of the influence of surface waves on momentum exchange. A quantitative comparison of direct covariance friction velocity measurements to bulk aerodynamic and inertial dissipation estimates indicates that both indirect methods systematically underestimate the momentum flux into developing seas. To account for wave-induced processes and yield improved flux estimates, modifications to the traditional flux parameterizations are explored.Modification to the bulk aerodynamic method involves incorporating sea state dependence into the roughness length calculation. For the inertial dissipation method, a new parameterization for the dimensionless dissipation rate is proposed. The modifications lead to improved momentum flux estimates for both methods.

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The Interaction between an Internal Gravity Wave and Turbulence in the Stably-Stratified Nocturnal Boundary Layer

Cited by 118 publications

References 0 publications

Absorption of waves by large-scale winds in stratified turbulence

Absorption of waves by large-scale winds in stratified turbulence

Monitoring the Micrometeorology of a Coastal Site next to a Thermal Power Plant from the Surface to 140 m

An investigation of momentum exchange parameterizations and atmospheric forcing for the Coastal Mixing and Optics Program

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