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- Title
Response of moist convection to multi-scale surface flux heterogeneity.
- Authors
Kang, Song‐Lak; Ryu, Jung‐Hee
- Abstract
We investigate the response of moist convection to the spatial variation of surface sensible heat flux ( SHF) in a mesoscale domain during the evolution of the afternoon convective boundary layer ( CBL), using large-eddy simulation. The surface SHF heterogeneity in the domain is analytically created as a function of the spectral slope in the wavelength range from a few tens of kilometres to a few hundreds of metres in the SHF spectrum on a log-log scale. Assuming surface energy balance and spatially uniform available energy, the prescribed SHF has a phase lag of 180° with respect to the latent heat flux ( LHF) in the domain. Two sets of three simulations are forced by heterogeneous surface SHF fields, which are characterized by similar statistics. One set, however, is created with a spectral slope of
- Subjects
CONVECTIVE boundary layer (Meteorology); MOISTURE; HEAT convection; HEAT flux; WAVELENGTHS
- Publication
Quarterly Journal of the Royal Meteorological Society, 2016, Vol 142, Issue 698, p2180
- ISSN
0035-9009
- Publication type
Article
- DOI
10.1002/qj.2811