globalchange  > 科学计划与规划
DOI: 10.1002/2016GL070727
论文题名:
Pre-eruptive inflation caused by gas accumulation: Insight from detailed gas flux variation at Sakurajima volcano, Japan
作者: Kazahaya R.; Shinohara H.; Mori T.; Iguchi M.; Yokoo A.
刊名: Geophysical Research Letters
ISSN: 0094-8423
EISSN: 1944-8154
出版年: 2016
卷: 43, 期:21
起始页码: 11219
结束页码: 11225
语种: 英语
英文关键词: conduit sealing ; ground deformation ; Sakurajima volcano ; volcanic gas ; Vulcanian eruption
Scopus关键词: Deformation ; Explosions ; Particulate emissions ; Sulfur dioxide ; Volcanoes ; Emission rates ; Gas accumulation ; Ground deformations ; Positive correlations ; Sakurajima ; Volcanic gas ; Vulcanian eruption ; Vulcanian explosions ; Gases
英文摘要: Sulfur dioxide (SO2) emission rate observations were made at Sakurajima volcano, Japan, to quantify the relationship between the SO2 emission rate and inflation prior to Vulcanian explosions. The explosions associated with precursory inflation events were preceded by decreases in SO2 emission rates by 10–60 min. The amounts of accumulated gas were calculated using time series of SO2 emission rate. The amounts of accumulated SO2 and increases in strain records before the explosions showed a positive correlation. The volume increase of a deformation source calculated using the strain records was of the comparable order of magnitude as the volume of the accumulated volcanic gas. The results suggest that the inflations before the explosions were caused by the gas accumulation. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84998890638&doi=10.1002%2f2016GL070727&partnerID=40&md5=ff33252f0b883cb7837ef7e7298c8f4c
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9386
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan

Recommended Citation:
Kazahaya R.,Shinohara H.,Mori T.,et al. Pre-eruptive inflation caused by gas accumulation: Insight from detailed gas flux variation at Sakurajima volcano, Japan[J]. Geophysical Research Letters,2016-01-01,43(21).
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