The Influence of the Earth's Rotation on Mountain Wave DragSource: Journal of the Atmospheric Sciences:;1979:;Volume( 036 ):;issue: 001::page 177Author:Smith, Ron
DOI: 10.1175/1520-0469(1979)036<0177:TIOTER>2.0.CO;2Publisher: American Meteorological Society
Abstract: The two-dimensional flow of a stratified rotating fluid over a ridge is considered using the linear theory model of Queney (1947). A general expression for the wave drag, or alternatively the vertical flux of angular momentum, is derived. As progressively wider mountains are considered, the wave drag decreases and the flow becomes more nearly geostrophic. With typical wind speeds, many mountain ranges, for example, the Alps, Andes and the Scandinavian mountains, have a drag between 0.1 and 0.9 of their f = 0 drag value and thus fall into the mesoscale category where the Coriolis force is important but not dominant.
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| contributor author | Smith, Ron | |
| date accessioned | 2017-06-09T14:20:35Z | |
| date available | 2017-06-09T14:20:35Z | |
| date copyright | 1979/01/01 | |
| date issued | 1979 | |
| identifier issn | 0022-4928 | |
| identifier other | ams-17637.pdf | |
| identifier uri | http://onlinelibrary.yabesh.ir/handle/yetl/4153553 | |
| description abstract | The two-dimensional flow of a stratified rotating fluid over a ridge is considered using the linear theory model of Queney (1947). A general expression for the wave drag, or alternatively the vertical flux of angular momentum, is derived. As progressively wider mountains are considered, the wave drag decreases and the flow becomes more nearly geostrophic. With typical wind speeds, many mountain ranges, for example, the Alps, Andes and the Scandinavian mountains, have a drag between 0.1 and 0.9 of their f = 0 drag value and thus fall into the mesoscale category where the Coriolis force is important but not dominant. | |
| publisher | American Meteorological Society | |
| title | The Influence of the Earth's Rotation on Mountain Wave Drag | |
| type | Journal Paper | |
| journal volume | 36 | |
| journal issue | 1 | |
| journal title | Journal of the Atmospheric Sciences | |
| identifier doi | 10.1175/1520-0469(1979)036<0177:TIOTER>2.0.CO;2 | |
| journal fristpage | 177 | |
| journal lastpage | 180 | |
| tree | Journal of the Atmospheric Sciences:;1979:;Volume( 036 ):;issue: 001 | |
| contenttype | Fulltext |