A Note on Wave-Turbulence Interaction and the Possibility of Scaling the Very Stable Boundary Layer |
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Authors: | John Finnigan |
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Institution: | (1) CSIRO Land and Water, F.C. Pye Laboratory, Canberra, Australia |
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Abstract: | Success in scaling the very stable boundary layer has been mixed. One possible reason for this is that wave-turbulence interaction can result in significant energy coupling between turbulence within the planetary boundary layer and the mean flow outside the PBL. Three regimes are described where wave-turbulence interaction forms a significant part of the dynamics. In the first, energy and momentum flows are confined within the PBL and do not preclude local scaling. In the other two, which involve topographically forced waves and propagating waves respectively, energy/momentum transfers across the PBL make success in local scaling unlikely. |
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Keywords: | Stable boundary layer Wave-turbulence interaction |
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