Localization of the Chelyabinsk Meteorite From Magnetic Field Survey and GPS Data

被引：7

作者：

Kletetschka, Gunther ^{[1
,2
]}

Vyhnanek, Jan ^{[3
]}

Kawasumiova, Darja ^{[4
]}

Nabelek, Ladislav ^{[1
,2
]}

Petrucha, Vojtech ^{[3
]}

机构：

[1] Charles Univ Prague, Fac Sci, CR-11636 Prague 1, Czech Republic

[2] Acad Sci Czech Republ, Inst Geol, Prague 11720, Czech Republic

[3] Czech Tech Univ, Fac Elect Engn, Prague 16636, Czech Republic

[4] CaJ Ltd, Prague 12999, Czech Republic

来源：

IEEE SENSORS JOURNAL | 2015年 / 15卷 / 09期

关键词：

Gradient methods; fluxgate sensor; global positioning system; meteorite search;

D O I：

10.1109/JSEN.2015.2435252

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 Chelyabinsk meteorite fragment that landed in the Chebarkul lake in Russia on February 15, 2013 weighed over half a ton. We provide magnetic field maps that were obtained during underwater measurements above the fragment. The data acquisition process was multiple global position system referenced magnetic surveys 0.5-1 m above the top of the lake sediment layer at 10 m water depth. Gradiometric configuration of the survey using two triaxial fluxgate magnetometers helped to suppress local geological anomalies. The location of the ice crater and the underwater magnetic anomaly provided final meteorite landing coordinates, which were made available during meteorite recovery.

引用

页码：4875 / 4881

页数：7

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