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北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University >
第82号 >


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Title: 新燃岳の噴火における火山灰の拡散沈着シミュレーション
Other Titles: Diffusion-deposition simulation of volcanic ash emitted by eruption of Mt. Shinmoedake
Authors: 稲津, 將1 Browse this author →KAKEN DB
越石, 健太2 Browse this author
梶野, 瑞王3 Browse this author
Authors(alt): INATSU, Masaru1
KAJINO, Mizuo3
Issue Date: 19-Mar-2019
Publisher: 北海道大学大学院理学研究院
Journal Title: 北海道大学地球物理学研究報告
Journal Title(alt): Geophysical bulletin of Hokkaido University
Volume: 82
Start Page: 1
End Page: 9
Abstract: This study performs the diffusion-deposition simulation for volcanic ash following its forecast procedure by the Japanese Meteorological Agency, for the case of the volcanic eruption at Mt. Shinmoedake on 26 January 2011 and 18 February 2011. The volcanic ash with a smaller particle size was transported farther from the crater, so that most of ash fall in the foothill consisted of the smaller particles. In contrast, the large particles were mostly deposited around the crater, but it contributed to the mass amount of ash fall even in the foothill. Compared with ash fall observation, the simulation successfully reproduced the amount of ash fall for these cases.
Type: bulletin (article)
Appears in Collections:北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University > 第82号

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