Application of a new spectral theory of stably stratified turbulence to the atmospheric boundary layer over sea ice

Semion Sukoriansky, Boris Galperin, Veniamin Perov

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215 Scopus citations

Abstract

A new spectral closure model of stably stratified turbulence is used to develop a K - ε model suitable for applications to the atmospheric boundary layer. This K - ε model utilizes vertical viscosity and diffusivity obtained from the spectral theory. In the ε equation, the Coriolis parameter-dependent formulation of the coefficient C1 suggested by Detering and Etling is generalized to include the dependence on the Brunt-Väisälä frequency, N. The new K - ε model is tested in simulations of the ABL over sea ice and compared with observations from BASE as simulated in large-eddy simulations by Kosovic and Curry, and observations from SHEBA.

Original languageEnglish
Pages (from-to)231-257
Number of pages27
JournalBoundary-Layer Meteorology
Volume117
Issue number2
DOIs
StatePublished - 1 Nov 2005

Keywords

  • Atmospheric boundary layer
  • Spectral theories
  • Stable stratification
  • Turbulence

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