An investigation of the upper atmosphere response to cyclones using ionosonde data in Eastern Siberia and the Far East

Nataly P. Perevalova; Nelya M. Polekh

doi:10.1117/12.823814

11 February 2009 An investigation of the upper atmosphere response to cyclones using ionosonde data in Eastern Siberia and the Far East

Nataly P. Perevalova, Nelya M. Polekh

Author Affiliations +

Proceedings Volume 7296, Fifteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics; 72960J (2009) https://doi.org/10.1117/12.823814
Event: Fifteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2008, Krasnoyarsk, Russian Federation

Abstract

This paper presents the results of investigations of mid-latitude upper atmosphere response to tropical cyclones, which were observed over the Northwest Pacific Ocean in September-October 2005. It is accepted that internal atmospheric waves (IAWs) are one of physical mechanisms of the interaction between the troposphere and ionosphere. It is also assumed that IAWs travel upward along oblique trajectories and manifest themselves in the upper atmosphere as traveling ionospheric disturbances (TIDs). Such TIDs can be registered at distances of some thousands of kilometers from the IAWs tropospheric source. To check up this hypothesis we have carried out statistical and harmonic analyses of data of the vertical sounding of the upper atmosphere in the East Siberian and Far Eastern regions of Russia, in the China and in the Australia. The disturbances, which most probably can be associated with cyclones, were picked out from variations of ionospheric F-region parameters: the increase of oscillation amplitude in the range of periods 1.5-6 h; essential deviation of F-region parameters from their medians.

Citation Download Citation

Nataly P. Perevalova and Nelya M. Polekh "An investigation of the upper atmosphere response to cyclones using ionosonde data in Eastern Siberia and the Far East", Proc. SPIE 7296, Fifteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 72960J (11 February 2009); https://doi.org/10.1117/12.823814

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