Temporal distribution characteristics of GNSS ionospheric occultation data and its effects in earthquake-ionosphere anomaly detection

被引：3
|
作者：
Zhao Ying [1 ]
An Jiachun [2 ]
机构：
[1] China Earthquake Adm, Inst Seismol, Key Lab Earthquake Geodesy, Wuhan 430071, Hubei, Peoples R China
[2] Wuhan Univ, Chinese Antarct Ctr Surveying & Mapping, Wuhan 430079, Hubei, Peoples R China
来源：
GEODESY AND GEODYNAMICS | 2013年 / 4卷 / 04期
基金：
美国国家科学基金会;
关键词：
GNSS; radio occultation; ionosphere; temporal distribution characteristics; earthquake;
D O I：
10.3724/SP.J.1246.2013.04040
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The temporal distribution characteristics of COSMIC occultation data are analyzed in detail, and the limitations in earthquake-ionosphere anomaly detection caused by the temporal distribution characteristics of COSMIC occultation data are discussed using the example of the Wenchuan earthquake. The results demonstrate that there is no fixed temporal resolution for COSMIC occultation data when compared with other ionospheric observation techniques. Therefore, occultation data cannot currently be independently utilized in research studies but can only be used as a complement to other ionospheric observation techniques for applications with high temporal resolution demands. such as earthquake-ionosphere anomaly detection.
引用
收藏
页码：33 / 40
页数：8
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