An evaluation of the scale at which ground-surface heat flux patchiness affects the convective boundary layer using large-eddy simulations

The effects on the convective boundary layer (CBL) of surface heterogeneities produced by surface sensible heat flux waves with different means, amplitudes, and wavelengths were investigated here. The major objective of this study was to evaluate at which scale surface heterogeneity starts to signif...

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Bibliographic Details
Published in:Journal of the atmospheric sciences 1998-08, Vol.55 (16), p.2666-2689
Main Authors: AVISSAR, R, SCHMIDT, T
Format: Article
Language:English
Subjects:
Atmosphere
Boundary layers
Convection, turbulence, diffusion. Boundary layer structure and dynamics
Earth, ocean, space
Exact sciences and technology
External geophysics
Heterogeneity
Meteorology
Sensible heat
Simulation
Wavelengths
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Description
Summary:The effects on the convective boundary layer (CBL) of surface heterogeneities produced by surface sensible heat flux waves with different means, amplitudes, and wavelengths were investigated here. The major objective of this study was to evaluate at which scale surface heterogeneity starts to significantly affect the heat fluxes in the CBL.
ISSN:0022-4928
1520-0469
DOI:10.1175/1520-0469(1998)055<2666:aeotsa>2.0.co;2