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| Titel |
Intraseasonal oscillation (ISO) in the MLT zonal wind over Kolhapur (16.8° N) and Tirunelveli (8.7° N) |
| VerfasserIn |
M. V. Rokade, R. Kondala Rao, S. S. Nikte, R. N. Ghodpage, P. T. Patil, A. K. Sharma, S. Gurubaran |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 30, no. 12 ; Nr. 30, no. 12 (2012-12-05), S.1623-1631 |
| Datensatznummer |
250017289
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| Publikation (Nr.) |
 copernicus.org/angeo-30-1623-2012.pdf |
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| Zusammenfassung |
| Simultaneous observations of the mean zonal winds at 88 km obtained by the medium-frequency
(MF) radars at Kolhapur (16.8° N,
74.2° E) and Tirunelveli (8.7° N, 77.8° E) have been used to
study the intraseasonal oscillation (ISO) in the MLT region. The influences
of the intraseasonal variations in the lower tropospheric convective
activity associated with the Madden-Julian oscillations on the latitudinal
behavior of intraseasonal oscillations (ISO) of the zonal winds in the
equatorial mesosphere and lower thermosphere (MLT) have been studied. The
ISO activity in the lower tropospheric convective activity is examined by
employing outgoing long wave radiation (OLR) as a proxy for deep convective
activity occurring in the tropical lower atmosphere. The ISO activity in the
zonal wind over TIR is more correlated with that in the convective activity
compared to the ISO over KOL. The latitudinal and temporal variabilities of
the ISO in MLT zonal winds are explained in terms of the intraseasonal
variabilities in the convective activity. |
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