Journal article
Airflow over a two-dimensional escarpment. II: Hydrostatic flow
Quarterly Journal of the Royal Meteorological Society, Vol.116(492), pp.363-378
1990
Abstract
Hydrostatically dominated forced flow over the asymmetric topography of the Darling Scarp, Western Australia, is modelled using a hydrostatic numerical mesoscale model and compared with observations. Simulations reproduce the essential features of wave overturning and the development of a shooting hydraulic flow. This response is dependent on the wind profile but not on the existence of a critical level. the high backsheared environment leads to a high ratio of the Brunt-Väisälä frequency to wind speed throughout the profile, resulting in short wavelengths, high nonlinearity and overturning. With the ratio of the halfwidth of the topography to the boundary-layer depth being small, the flow fields are shown to be sensitive to the boundary layer.
Details
- Title
- Airflow over a two-dimensional escarpment. II: Hydrostatic flow
- Authors/Creators
- R.O. Pitts (Author/Creator)T.J. Lyons (Author/Creator)
- Publication Details
- Quarterly Journal of the Royal Meteorological Society, Vol.116(492), pp.363-378
- Publisher
- Royal Meteorological Society
- Identifiers
- 991005543015307891
- Murdoch Affiliation
- School of Biological and Environmental Sciences
- Language
- English
- Resource Type
- Journal article
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