Seismo-ionospheric precursor of the 2008 Mw7.9 Wenchuan earthquake observed by FORMOSAT-3/COSMIC

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/52841

Title:	Seismo-ionospheric precursor of the 2008 Mw7.9 Wenchuan earthquake observed by FORMOSAT-3/COSMIC
Authors:	Hsiao,CC;Liu,JY;Oyama,KI;Yen,NL;Liou,YA;Chen,SS;Miau,JJ
Contributors:	物理學系
Date:	2010
Issue Date:	2012-06-11 10:46:52 (UTC+8)
Publisher:	國立中央大學
Abstract:	The seismo-ionospheric precursor prior to the Mw7.9 earthquake near Wenchuan, China, on 12 May 2008 was observed by the FORMOSAT-3/COSMIC satellite constellation. By binning radio occultation observations, the three-dimensional ionospheric structure can be obtained to monitor the ionospheric electron density variation prior to the earthquake. It has been determined that near the epicenter the F2-peak height, hmF2, descends about 25 km and the F2-peak electron density, NmF2, decreases about 2 x 10(5) el/cm(3) around noon within 5 days prior to the earthquake. The integrated electron content decreases more than 2 TECU between 250 and 300 km altitude.
Relation:	GPS SOLUTIONS
Appears in Collections:	[Department of Physics] journal & Dissertation

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