Adelaide Research & Scholarship
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https://hdl.handle.net/2440/18107
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| Type: | Journal article |
| Title: | The 6.5-day wave in the mesosphere and lower thermosphere: evidence for baroclinic/barotropic instability |
| Author: | Lieberman, R. Riggin, D. Franke, S. Manson, A. Meek, C. Nakamura, T. Tsuda, T. Vincent, R. Reid, I. |
| Citation: | Journal of Geophysical Research, 2003; 108(D20):9-1-9-14 |
| Publisher: | Amer Geophysical Union |
| Issue Date: | 2003 |
| ISSN: | 0148-0227 2169-8996 |
| Statement of Responsibility: | Lieberman, R. S., D. M. Riggin, S. J. Franke, A. H. Manson, C. Meek, T. Nakamura, T. Tsuda, R. A. Vincent, and I. Reid |
| Abstract: | A westward propagating zonal wave number 1 wave with a period near 6.5 days was a prominent feature in the mesosphere and lower thermosphere (MLT) during the 1994 equinoxes. The meridional structure of the wave in the upper stratosphere and the MLT is consistent with the 5-day wave structure predicted by normal mode theory. However, the amplitude increases sharply above 80 km, where the wave exhibits a highly organized baroclinic circulation. The eddy fluxes and the background state suggest that the wave is amplified by instability of the mesospheric winds. |
| DOI: | 10.1029/2002JD003349 |
| Published version: | http://www.agu.org/pubs/crossref/2003/2002JD003349.shtml |
| Appears in Collections: | Aurora harvest 6 Physics publications |
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