On the asymmetric diurnal tide |
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| Authors: | Richard S Lindzen |
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| Institution: | (1) National Center for Atmospheric Research, Boulder, Colorado, USA |
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| Abstract: | Summary The response of the atmosphere to a diurnally oscillating thermal drive, asymmetric with respect to the equator, is investigated. It is found that the solutions ofLaplace's tidal equation do not form a complete set; all of them being orthogonal to the associated Legendre polynomial,P
2
1
(cos  ), being the latitude. As an extension ofLaplace's theorem for gravitationally excited ocean tides to thermally driven atmospheric tides, it is shown that a diurnal drive whose latitude dependence is given byP
2
1
gives rise to no surface pressure oscillation. |
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