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A Revised Scheme for the WRF Surface Layer Formulation

JIMENEZ, Pedro A ; DUDHIA, Jimy ; GONZALEZ-ROUCO, J. Fidel ; NAVARRO, Jorge ; MONTAVEZ, Juan P ; GARCIA-BUSTAMANTE, Elena

Monthly weather review, 2012-03, Vol.140 (3), p.898-918 [Periódico revisado por pares]

Boston, MA: American Meteorological Society

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  • Título:
    A Revised Scheme for the WRF Surface Layer Formulation
  • Autor: JIMENEZ, Pedro A ; DUDHIA, Jimy ; GONZALEZ-ROUCO, J. Fidel ; NAVARRO, Jorge ; MONTAVEZ, Juan P ; GARCIA-BUSTAMANTE, Elena
  • Assuntos: Agreements ; Atmosphere ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; Meteorology ; Sensitivity analysis ; Studies
  • É parte de: Monthly weather review, 2012-03, Vol.140 (3), p.898-918
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Abstract This study summarizes the revision performed on the surface layer formulation of the Weather Research and Forecasting (WRF) model. A first set of modifications are introduced to provide more suitable similarity functions to simulate the surface layer evolution under strong stable/unstable conditions. A second set of changes are incorporated to reduce or suppress the limits that are imposed on certain variables in order to avoid undesired effects (e.g., a lower limit in u*). The changes introduced lead to a more consistent surface layer formulation that covers the full range of atmospheric stabilities. The turbulent fluxes are more (less) efficient during the day (night) in the revised scheme and produce a sharper afternoon transition that shows the largest impacts in the planetary boundary layer meteorological variables. The most important impacts in the near-surface diagnostic variables are analyzed and compared with observations from a mesoscale network.
  • Editor: Boston, MA: American Meteorological Society
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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