A new boundary layer mixing scheme. Part I: Scheme description and single-column model tests

A new boundary layer mixing scheme. Part I: Scheme description and single-column model tests

A new boundary layer turbulent mixing scheme has been developed for use in the UKMO weather forecasting and climate prediction models. This includes a representation of nonlocal mixing (driven by both surface fluxes and cloud-top processes) in unstable layers, either coupled to or decoupled from the...

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Veröffentlicht in:Monthly weather review 2000-09, Vol.128 (9), p.3187-3199
Hauptverfasser: LOCK, A. P, BROWN, A. R, BUSH, M. R, MARTIN, G. M, SMITH, R. N. B
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Sprache:eng
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Convection, turbulence, diffusion. Boundary layer structure and dynamics
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
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container_end_page 3199
container_issue 9
container_start_page 3187
container_title Monthly weather review
container_volume 128
creator LOCK, A. P
BROWN, A. R
BUSH, M. R
MARTIN, G. M
SMITH, R. N. B
description A new boundary layer turbulent mixing scheme has been developed for use in the UKMO weather forecasting and climate prediction models. This includes a representation of nonlocal mixing (driven by both surface fluxes and cloud-top processes) in unstable layers, either coupled to or decoupled from the surface, and an explicit entrainment parameterization. The scheme is formulated in moist conserved variables so that it can treat both dry and cloudy layers. Details of the scheme and examples of its performance in single-column model tests are presented.
doi_str_mv 10.1175/1520-0493(2000)128<3187:anblms>2.0.co;2
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source American Meteorological Society; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection
subjects Convection, turbulence, diffusion. Boundary layer structure and dynamics
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
title A new boundary layer mixing scheme. Part I: Scheme description and single-column model tests
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