Can an E-l turbulence closure simulate entrainment in radiatively driven convective boundary layers?

The simulation of entrainment by an (E-l) turbulent kinetic energy-diagnostic length scale closure model is investigated in a smoke cloud convective boundary layer. The behavior of the E-l scheme is compared with two simple entrainment closures based on the integral turbulent kinetic energy budget o...

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Bibliographic Details
Published in:Journal of the atmospheric sciences 1999-09, Vol.56 (18), p.3331-3337
Main Authors: LENDERINK, G, VANZANTEN, M. C, DUYNKERKE, P. G
Format: Article
Language:English
Subjects:
Atmosphere
Boundary layers
Convection, turbulence, diffusion. Boundary layer structure and dynamics
Earth, ocean, space
Entrainment
Exact sciences and technology
External geophysics
Kinetic energy
Kinetics
Meteorology
Physics
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Summary:The simulation of entrainment by an (E-l) turbulent kinetic energy-diagnostic length scale closure model is investigated in a smoke cloud convective boundary layer. The behavior of the E-l scheme is compared with two simple entrainment closures based on the integral turbulent kinetic energy budget of the boundary layer: one based on Eulerian partitioning and the other based on process partitioning of the buoyancy flux.
ISSN:0022-4928
1520-0469
DOI:10.1175/1520-0469(1999)056<3331:CAELTC>2.0.CO;2