GSTDTAP  > 气候变化
DOI10.1002/2016GL071047
Volcanic eruption volume flux estimations from very long period infrasound signals
Yamada, Taishi1; Aoyama, Hiroshi1; Nishimura, Takeshi2; Iguchi, Masato3; Hendrasto, Muhamad4
2017
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2017
卷号44期号:1
文章类型Article
语种英语
国家Japan; Indonesia
英文摘要

We examine very long period infrasonic signals accompanying volcanic eruptions near active vents at Lokon-Empung volcano in Indonesia, Aso, Kuchinoerabujima, and Kirishima volcanoes in Japan. The excitation of the very long period pulse is associated with an explosion, the emerging of an eruption column, and a pyroclastic density current. We model the excitation of the infrasound pulse, assuming a monopole source, to quantify the volume flux and cumulative volume of erupting material. The infrasound-derived volume flux and cumulative volume can be less than half of the video-derived results. A largely positive correlation can be seen between the infrasound-derived volume flux and the maximum eruption column height. Therefore, our result suggests that the analysis of very long period volcanic infrasound pulses can be helpful in estimating the maximum eruption column height.


英文关键词volcanic infrasound VLP eruption column volume flux monopole source magma flux
领域气候变化
收录类别SCI-E
WOS记录号WOS:000393954900018
WOS关键词NOISE
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/27906
专题气候变化
作者单位1.Hokkaido Univ, Grad Sch Sci, Sapporo, Hokkaido, Japan;
2.Tohoku Univ, Grad Sch Sci, Dept Geophys, Sendai, Miyagi, Japan;
3.Kyoto Univ, Disaster Prevent Res Inst, Sakurajima Volcano Res Ctr, Kagoshima, Japan;
4.Ctr Volcanol & Geol Hazard Mitigat, Bandung, Indonesia
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GB/T 7714
Yamada, Taishi,Aoyama, Hiroshi,Nishimura, Takeshi,et al. Volcanic eruption volume flux estimations from very long period infrasound signals[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(1).
APA Yamada, Taishi,Aoyama, Hiroshi,Nishimura, Takeshi,Iguchi, Masato,&Hendrasto, Muhamad.(2017).Volcanic eruption volume flux estimations from very long period infrasound signals.GEOPHYSICAL RESEARCH LETTERS,44(1).
MLA Yamada, Taishi,et al."Volcanic eruption volume flux estimations from very long period infrasound signals".GEOPHYSICAL RESEARCH LETTERS 44.1(2017).
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