globalchange  > 气候变化与战略
DOI: 10.1007/s11069-020-04134-1
论文题名:
Estimation of volcanic ashfall deposit and removal works based on ash dispersion simulations
作者: Tomii Y.; Shibayama T.; Nishida Y.; Nakamura R.; Okumura N.; Yamaguchi H.; Tanokura Y.; Oshima Y.; Sugawara N.; Fujisawa K.; Wakita T.; Mikami T.; Takabatake T.; Esteban M.
刊名: Natural Hazards
ISSN: 0921030X
出版年: 2020
卷: 103, 期:3
起始页码: 3377
结束页码: 3399
语种: 英语
中文关键词: Ash dispersion modelling ; Ashfall deposit ; Mt. Fuji ; Mt. Kusatsu-Shirane ; Removal works ; WRF-FALL3D
英文关键词: accuracy assessment ; computer simulation ; estimation method ; field survey ; numerical model ; spatial distribution ; volcanic ash ; volcanic eruption ; volcanology ; Honshu ; Japan ; Kusatsu-Shirane Volcano
英文摘要: Volcanic ashfall can cause considerable social impacts to a wide geographical area. Given the challenge to predict volcanic eruptions, it is essential to simulate the dispersion of ash as soon as possible after an event and promptly estimate the distribution of deposits and necessary removal works. In this study, a series of procedures to improve the accuracy of the WRF-FALL3D model for the case of the eruption of Mt. Kusatsu-Shirane in 2018 are proposed, which were verified through field surveys of ash deposits, showing that the accuracy of the model can be improved by selecting a range of column heights and promptly conducting field surveys following an event. Also, a methodology to estimate the amount of work necessary to clear road networks and river channels is proposed, which was applied to a volcanic event similar to that of the Hoei eruption of Mt. Fuji in 1707. The results also emphasize the need to improve the estimation of column heights in the future, which is of paramount importance to ensure the safety and operational continuity of human infrastructure in the vicinity of major active volcanoes. © 2020, Springer Nature B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/168768
Appears in Collections:气候变化与战略

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作者单位: Department of Civil and Environmental Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo, Japan; Civil Engineering Program, Faculty of Engineering, Niigata University, Ninocho 8050, Ikarashi, Nishi-ku, Niigata-shi, Niigata, Japan; Department of Urban and Civil Engineering, Tokyo City University, 1-28-1 Tamazutsumi, Setagaya-ku, Tokyo, Japan

Recommended Citation:
Tomii Y.,Shibayama T.,Nishida Y.,et al. Estimation of volcanic ashfall deposit and removal works based on ash dispersion simulations[J]. Natural Hazards,2020-01-01,103(3)
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