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The sensitivity of large‐eddy simulations of shallow cumulus convection to resolution and subgrid model
Author(s) -
Brown A. R.
Publication year - 1999
Publication title -
quarterly journal of the royal meteorological society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.744
H-Index - 143
eISSN - 1477-870X
pISSN - 0035-9009
DOI - 10.1002/qj.49712555405
Subject(s) - parametrization (atmospheric modeling) , large eddy simulation , convection , turbulence , meteorology , mass flux , sensitivity (control systems) , resolution (logic) , geology , physics , atmospheric sciences , mechanics , environmental science , climatology , statistical physics , computational physics , computer science , optics , engineering , electronic engineering , radiative transfer , artificial intelligence
Results are presented from a series of large‐eddy simulations of shallow cumulus convection, including some at much higher resolution than previously performed. Many of the ensemble‐averaged turbulence statistics which are relevant for mass‐flux parametrization schemes are shown to be reasonably insensitive to increases in resolution, but the cloud fields change markedly. the implications for the best interpretation of large‐eddy simulation results are discussed.