Effects of the Chelyabinsk Meteoroid Entry at the Ionosphere

被引：0
|
作者：
Ruzhin, Yu Ya [1 ]
Kuznetsov, V. D. [1 ]
Smirnov, V. M. [2 ]
机构：
[1] Pushkov Inst Terr Magnetism Ionosphere & Radio Wa, Troitsk 142190, Russia
[2] Kotelnikov Inst Radio Engn & Elect, Fryazino Branch, Fryazino 141120, Moscow Region, Russia
来源：
2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS) | 2014年
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D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The transionospheric sounding by signals from the GPS cluster satellites carried out in the zone of explosion of the Chelyabinsk bolid has shown that the explosion had a very weak effect on the ionosphere. The observed ionosphere disturbances were asymmetric with respect to the explosion epicenter. The signals obtained were compared both in shape and in amplitude with the known Earth surface explosions. Ionosphere effects in the form of acoustic-gravity waves (AGW) produced by 260-500 tons TNT explosions on the ground are detected with confidence both by vertical sounding and by GPS techniques. This allows us to suggest that the reported equivalent of the meteoroid explosion was obviously overestimated.
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