Detection of Volcanic Plumes by GPS: the 23 November 2013 Episode on Mt. Etna

被引：0
|
作者：
Aranzulla, Massimo [1 ]
Cannavo, Flavio [1 ]
Scollo, Simona [1 ]
机构：
[1] Ist Nazl Geofis & Vulcanol, Osserv Etneo, Sez Catania, Rome, Italy
来源：
ANNALS OF GEOPHYSICS | 2014年 / 57卷
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暂无
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 detection of volcanic plumes produced during explosive eruptions is important to improve our under-standing on dispersal processes and reduce risks to aviation operations. The ability of Global Position-ing System (GPS) to retrieve volcanic plumes is one of the new challenges of the last years in volcanic plume detection. In this work, we analyze the Signal to Noise Ratio (SNR) data from 21 permanent stations of the GPS network of the Istituto Nazionale di Geofisica e Vulcanologia, Osservatorio Etneo, that are located on the Mt. Etna (Italy) flanks. Being one of the most explosive events since 2011, the eruption of November 23, 2013 was chosen as a test-case. Results show some variations in the SNR data that can be correlated with the presence of an ash-laden plume in the atmosphere. Benefits and limitations of the method are highlighted.
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页数：6
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