Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2012, Vol. 9, No. 5, pp. 218-228
The comparison of ionospheric variations over the Australian continent during the activity of tropical cyclones Yasi
and Zaka in 2011
L.B. Vanina-Dart
, E.A. Sharkov
Space Research Institute of RAS, 117997 Moscow, 84/32 Profsoyuznaya str
The authors of this paper continue to search for the tropical cyclone (TC) response in the overlying ionosphere by measuring the TEC (total electron content of the ionosphere in a colu response mn with a cross section of 1 m2) over the Australian continent at the time of the most powerful TC «YASI» and TC «ZAKA.» These two TC acted in late January and early February 2011 on the Australian continent. From the inception of the cyclone and the beginning of its most active phase over the zone of its action and about in the ionosphere observed increase in the values of its parameters (up to 100%). Further localization of the area around the TC and the values of ionospheric parameters begin to fall (50%). The authors suggest that the influence of TC on the ionosphere has a wave and zone character and anisotropy character
Keywords: ionospheric layers, tropical cyclone, satellite sensing of ionosphere
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