Large-eddy boundary layer entrainment

A series of large-eddy simulations have been performed to explore boundary layer entrainment under conditions of a strongly capped inversion layer with the boundary layer dynamics driven dominantly by buoyant forcing. Different conditions explored include cloud-top cooling versus surface heating, sm...

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Bibliographic Details
Published in:Journal of the atmospheric sciences 1998-08, Vol.55 (16), p.2645-2665
Main Authors: LEWELLEN, D. C, LEWELLEN, W. S
Format: Article
Language:English
Subjects:
Atmosphere
Boundary layers
Convection, turbulence, diffusion. Boundary layer structure and dynamics
Cooling
Earth, ocean, space
Entrainment
Exact sciences and technology
External geophysics
Meteorology
Optical analysis
Simulation
Water depth
Wind shear
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Summary:A series of large-eddy simulations have been performed to explore boundary layer entrainment under conditions of a strongly capped inversion layer with the boundary layer dynamics driven dominantly by buoyant forcing. Different conditions explored include cloud-top cooling versus surface heating, smoke clouds versus water clouds, variations in cooling height and optical depth of longwave radiation, degree of cloud-top evaporative instability, and modest wind shear.
ISSN:0022-4928
1520-0469
DOI:10.1175/1520-0469(1998)055<2645:LEBLE>2.0.CO;2