Log-chipper turbulence in the convective boundary layer

Turbulent fluctuations of a conservative scalar in the atmospheric boundary layer (ABL) can be generated by a scalar flux at the surface, a scalar flux of entrainment at the ABL top, and the "chewing up" of scalar variations on the mesoscale. The first two have been previously studied, whi...

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Veröffentlicht in:	Journal of the atmospheric sciences 2002-03, Vol.59 (6), p.1124-1134
Hauptverfasser:	KIMMEL, Shari J, WYNGAARD, John C, OTTE, Martin J
Format:	Artikel
Sprache:	eng
Schlagworte:	Atmosphere Atmospheric boundary layer Boundary layers Convection, turbulence, diffusion. Boundary layer structure and dynamics Earth, ocean, space Exact sciences and technology External geophysics Meteorology Turbulence
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Beschreibung
Zusammenfassung:	Turbulent fluctuations of a conservative scalar in the atmospheric boundary layer (ABL) can be generated by a scalar flux at the surface, a scalar flux of entrainment at the ABL top, and the "chewing up" of scalar variations on the mesoscale. The first two have been previously studied, while the third is examined in this paper through large-eddy simulation (LES).
ISSN:	0022-4928 1520-0469
DOI:	10.1175/1520-0469(2002)059<1124:LCTITC>2.0.CO;2