Abstract
Initializing large eddy simulations (LES) in meteorological applications typically involves prescribing an idealized background atmospheric environment in which simulations are run. This study investigates LES initialization options using realistic atmospheric environmental forcings. Analysis of several simulated convective boundary layer (CBL) cases highlights common sources of initialization-related errors in LES predictions of CBL structure and evolution as compared to observational data. Effects of initialization errors on simulated features of the CBL for different evolution patterns of daytime environmental atmospheric flow are analyzed. Possible approaches toward dynamic adjustment of environmental parameters in LES of atmospheric boundary layer flows are suggested.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Benjamin SG, Dévényi D, Weygandt SS, Brundage KJ, Brown JM, Grell GA, Kim D, Schwartz BE, Smirnova TG, Smith TL, Manikin GS (2004) An hourly assimilation-forecast cycle: the RUC. Mon Wea Rev 132:495–518
Conzemius RJ, Fedorovich E (2006) Dynamics of sheared convective boundary layer entrainment. Part I: methodological background and large-eddy simulations. J Atmos Sci 63:1151–1178
Conzemius RJ, Fedorovich E (2006) Dynamics of sheared convective boundary layer entrainment. Part II: evaluation of bulk model predictions of entrainment flux. J Atmos Sci 63:1179–1199
Conzemius RJ, Fedorovich E (2007) A case study of convective boundary layer development during IHOP: numerical simulations compared to observations. Mon Wea Rev, to appear
Deardorff JW (1980) Stratocumulus-capped mixed layers derived from a three-dimensional model. Bound-Layer Meteor 18:495–527
Fedorovich E, Conzemius RJ, Mironov D (2004) Convective entrainment into a shear-free, linearly stratified atmosphere: bulk models reevaluated through large eddy simulations. J Atmos Sci 61:281–295
Fedorovich E, Nieuwstadt FTM, Kaiser R (2001) Numerical and laboratory study of a horizontally evolving convective boundary layer. Part I: transition regimes and development of the mixed layer. J Atmos Sci 58:70–86
Khanna S, Brasseur JG (1998) Three-dimensional buoyancy and shear-induced local structure of the atmospheric boundary layer. J Atmos Sci 55:710–743
Moeng CH, Dudhia J, Klemp J, Sullivan PP (2007) Examining two-way grid nesting for large eddy simulation of the PBL using the WRF model. Mon Wea Rev 135:2295–2311
Moeng CH, Sullivan PP (1994) A comparison of shear and buoyancy-driven planetary boundary layer flows. J Atmos Sci 51:999–1022
Nieuwstadt FTM (1990) Direct and large-eddy simulation of free convection. In: Proc 9th Internat Heat Transfer Conference 1:37–47. Amer Soc Mech Engrg, New York, Jerusalem, Israel
Pino D, Arellano J, Duynkerke PG (2003) The contribution of shear to the evolution of a convective boundary layer. J Atmos Sci 60:1913–1926
Scipión D, Chilson PB, Fedorovich E, Palmer RD (2007) A radar simulator based on large eddy simulation for studies of the daytime convective boundary layer. J Atmos Oceanic Technol, submitted
Sorbjan Z (2004) Large-eddy simulations of the baroclinic mixed layer. Bound-Layer Meteor 112:57–80
Sullivan PP, Moeng CH, Stevens B, Lenschow DH, Mayor SD (1998) Structure of the entrainment zone capping the convective atmospheric boundary layer. J Atmos Sci 55:3042–3064
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2008 Springer-Verlag Berlin Heidelberg
About this chapter
Cite this chapter
Botnick, A.M., Fedorovich, E. (2008). Large Eddy Simulation of Atmospheric Convective Boundary Layer with Realistic Environmental Forcings. In: Meyers, J., Geurts, B.J., Sagaut, P. (eds) Quality and Reliability of Large-Eddy Simulations. Ercoftac Series, vol 12. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-8578-9_16
Download citation
DOI: https://doi.org/10.1007/978-1-4020-8578-9_16
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-8577-2
Online ISBN: 978-1-4020-8578-9
eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)