Abstract
A moving-grid finite-element model has been developed to model numerically the vertically integrated properties of the atmospheric boundary layer (ABL) in one dimension. The model equations for mean wind velocity and potential temperature are combined with a surface energy budget and predictive equations for boundary-layer height to simulate both stable and unstable ABLs. The nodal position defining the top of the boundary layer is one of the model unknowns and is determined by boundary-layer dynamics. The finite-element method, being an integral method, has advantages of accurate representation of both bulk values and their vertical derivatives, the latter being essential properties of the nocturnal boundary layer. Compared with observations and results of other models, the present model predicts bulk properties very well while retaining a simple and economical form.
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Journal Paper No. J-12996 of the Iowa Agriculture and Home Economics Experiment Station, Ames, Iowa, Project No. 2779.
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Russell, R.D., Takle, E.S. A moving grid finite-element model of the bulk properties of the atmospheric boundary layer. Boundary-Layer Meteorol 46, 113–132 (1989). https://doi.org/10.1007/BF00118449
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DOI: https://doi.org/10.1007/BF00118449