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http://library.iigm.res.in:8080/xmlui/handle/123456789/575| Title: | Comparative study of MLT mean winds using MF radars located at 16.8◦ N and 8.7◦ N |
| Authors: | Sharma, A.K. Rokade, M.V. Rao, Kondala R. Gurubaran, S. Patil, P.T. |
| Keywords: | Mesosphere and lower thermosphere mean winds MLT mean winds Seasonal variations Medium Frequency radar MLT region Equatorial region Tropical latitude Kolhapur Tirunelveli |
| Issue Date: | 2010 |
| Citation: | J. Earth Syst. Sci., v. 119/4, p. 461–470, August 2010 |
| Abstract: | The main aim of the paper is to describe mesosphere and lower thermosphere (MLT) wind field observed between June 2000 and May 2002 by medium frequency (MF) radars at two locations near the equatorial region and at tropical latitude. We have presented and compared observations of mean horizontal winds in the mesosphere and lower thermosphere (MLT) region over Kolhapur (16.8◦N, 74.2◦E) and Tirunelveli (8.7◦N, 77.8◦E). Our analysis reveals annual oscillation in the zonal wind and semi-annual oscillation in the meridional wind over Kolhapur. On the other hand, results over Tirunelveli reveal semi-annual oscillation (SAO) in the zonal wind and annual oscillation in the meridional wind. Also we have observed enhanced magnitude of wind speed in spring equinox period of 2002 exhibiting the signatures of the quasi-biennial oscillation (QBO) over Tirunelveli. |
| URI: | http://localhost:8080/xmlui/handle/123456789/575 |
| Appears in Collections: | UAS_Reprints |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| RaoRKondala_GurubaranS_PatilPT_JEarthSysSci_2010.pdf | 682.17 kB | Adobe PDF | View/Open |
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