An intercomparison of large-eddy simulations of the stable boundary layer

Robert J. Beare, Malcolm K. Macvean, Albert A M Holtslag, Joan Cuxart, Igor Esau, Jean Christophe Golaz, Maria A. Jimenez, Marat Khairoutdinov, Branko Kosovic, David Lewellen, Thomas S. Lund, Julie K. Lundquist, Anne McCabe, Arnold F. Moene, Yign Noh, Siegfried Raasch, Peter Sullivan

Research output: Contribution to journalArticle

303 Citations (Scopus)

Abstract

Results are presented from the first intercomparison of large-eddy simulation (LES) models for the stable boundary layer (SBL), as part of the Global Energy and Water Cycle Experiment Atmospheric Boundary Layer Study initiative. A moderately stable case is used, based on Arctic observations. All models produce successful simulations, in as much as they generate resolved turbulence and reflect many of the results from local scaling theory and observations. Simulations performed at 1-m and 2-m resolution show only small changes in the mean profiles compared to coarser resolutions. Also, sensitivity to subgrid models for individual models highlights their importance in SBL simulation at moderate resolution (6.25 m). Stability functions are derived from the LES using typical mixing lengths used in numerical weather prediction (NWP) and climate models. The functions have smaller values than those used in NWP. There is also support for the use of K-profile similarity in parametrizations. Thus, the results provide improved understanding and motivate future developments of the parametrization of the SBL.

Original languageEnglish
Pages (from-to)247-272
Number of pages26
JournalBoundary-Layer Meteorology
Volume118
Issue number2
DOIs
Publication statusPublished - 2006 Feb 1

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large eddy simulation
boundary layer
simulation
weather
prediction
climate modeling
turbulence
energy
experiment
water

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

Cite this

Beare, R. J., Macvean, M. K., Holtslag, A. A. M., Cuxart, J., Esau, I., Golaz, J. C., ... Sullivan, P. (2006). An intercomparison of large-eddy simulations of the stable boundary layer. Boundary-Layer Meteorology, 118(2), 247-272. https://doi.org/10.1007/s10546-004-2820-6
Beare, Robert J. ; Macvean, Malcolm K. ; Holtslag, Albert A M ; Cuxart, Joan ; Esau, Igor ; Golaz, Jean Christophe ; Jimenez, Maria A. ; Khairoutdinov, Marat ; Kosovic, Branko ; Lewellen, David ; Lund, Thomas S. ; Lundquist, Julie K. ; McCabe, Anne ; Moene, Arnold F. ; Noh, Yign ; Raasch, Siegfried ; Sullivan, Peter. / An intercomparison of large-eddy simulations of the stable boundary layer. In: Boundary-Layer Meteorology. 2006 ; Vol. 118, No. 2. pp. 247-272.
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Beare, RJ, Macvean, MK, Holtslag, AAM, Cuxart, J, Esau, I, Golaz, JC, Jimenez, MA, Khairoutdinov, M, Kosovic, B, Lewellen, D, Lund, TS, Lundquist, JK, McCabe, A, Moene, AF, Noh, Y, Raasch, S & Sullivan, P 2006, 'An intercomparison of large-eddy simulations of the stable boundary layer', Boundary-Layer Meteorology, vol. 118, no. 2, pp. 247-272. https://doi.org/10.1007/s10546-004-2820-6

An intercomparison of large-eddy simulations of the stable boundary layer. / Beare, Robert J.; Macvean, Malcolm K.; Holtslag, Albert A M; Cuxart, Joan; Esau, Igor; Golaz, Jean Christophe; Jimenez, Maria A.; Khairoutdinov, Marat; Kosovic, Branko; Lewellen, David; Lund, Thomas S.; Lundquist, Julie K.; McCabe, Anne; Moene, Arnold F.; Noh, Yign; Raasch, Siegfried; Sullivan, Peter.

In: Boundary-Layer Meteorology, Vol. 118, No. 2, 01.02.2006, p. 247-272.

Research output: Contribution to journalArticle

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AU - Beare, Robert J.

AU - Macvean, Malcolm K.

AU - Holtslag, Albert A M

AU - Cuxart, Joan

AU - Esau, Igor

AU - Golaz, Jean Christophe

AU - Jimenez, Maria A.

AU - Khairoutdinov, Marat

AU - Kosovic, Branko

AU - Lewellen, David

AU - Lund, Thomas S.

AU - Lundquist, Julie K.

AU - McCabe, Anne

AU - Moene, Arnold F.

AU - Noh, Yign

AU - Raasch, Siegfried

AU - Sullivan, Peter

PY - 2006/2/1

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N2 - Results are presented from the first intercomparison of large-eddy simulation (LES) models for the stable boundary layer (SBL), as part of the Global Energy and Water Cycle Experiment Atmospheric Boundary Layer Study initiative. A moderately stable case is used, based on Arctic observations. All models produce successful simulations, in as much as they generate resolved turbulence and reflect many of the results from local scaling theory and observations. Simulations performed at 1-m and 2-m resolution show only small changes in the mean profiles compared to coarser resolutions. Also, sensitivity to subgrid models for individual models highlights their importance in SBL simulation at moderate resolution (6.25 m). Stability functions are derived from the LES using typical mixing lengths used in numerical weather prediction (NWP) and climate models. The functions have smaller values than those used in NWP. There is also support for the use of K-profile similarity in parametrizations. Thus, the results provide improved understanding and motivate future developments of the parametrization of the SBL.

AB - Results are presented from the first intercomparison of large-eddy simulation (LES) models for the stable boundary layer (SBL), as part of the Global Energy and Water Cycle Experiment Atmospheric Boundary Layer Study initiative. A moderately stable case is used, based on Arctic observations. All models produce successful simulations, in as much as they generate resolved turbulence and reflect many of the results from local scaling theory and observations. Simulations performed at 1-m and 2-m resolution show only small changes in the mean profiles compared to coarser resolutions. Also, sensitivity to subgrid models for individual models highlights their importance in SBL simulation at moderate resolution (6.25 m). Stability functions are derived from the LES using typical mixing lengths used in numerical weather prediction (NWP) and climate models. The functions have smaller values than those used in NWP. There is also support for the use of K-profile similarity in parametrizations. Thus, the results provide improved understanding and motivate future developments of the parametrization of the SBL.

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Beare RJ, Macvean MK, Holtslag AAM, Cuxart J, Esau I, Golaz JC et al. An intercomparison of large-eddy simulations of the stable boundary layer. Boundary-Layer Meteorology. 2006 Feb 1;118(2):247-272. https://doi.org/10.1007/s10546-004-2820-6