A numerical modeling of conduit flow and crustal deformation during transition from effusive to explosive eruptions
Project/Area Number |
15K17741
|
Research Category |
Grant-in-Aid for Young Scientists (B)
|
Allocation Type | Multi-year Fund |
Research Field |
Solid earth and planetary physics
|
Research Institution | Tohoku University |
Principal Investigator |
|
Project Period (FY) |
2015-04-01 – 2018-03-31
|
Project Status |
Completed (Fiscal Year 2017)
|
Budget Amount *help |
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
|
Keywords | 火山噴火 / 噴火遷移 / 火道流 / 地殻変動 / 数値モデル / 力学系 |
Outline of Final Research Achievements |
In this study, a numerical model of conduit flow dynamics was developed in order to reproduce a transition from effusive to explosive eruptions which is a key process for eruption forecasting and disaster mitigation. Furthermore, a numerical model for calculating crustal deformation around the conduit system was developed, which is useful for detecting the eruption transition from geodetic observations. Combining the above two models enabled us to obtain the quantitative relationship between the conduit flow and the crustal deformation, leading to the understanding of the transition mechanism and conditions.
|
Report
(4 results)
Research Products
(14 results)
-
-
-
-
[Journal Article] Numerical assessment of the potential for future limnic eruptions at Lakes Nyos and Monoun, Cameroon, based on regular monitoring data2016
Author(s)
Kozono, T., Kusakabe, M., Yoshida, Y., Ntchantcho, R., Ohba, T., Tanyileke, G., and Hell, J.
-
Journal Title
Geol. Soc. London Special Publication (Geochemistry and Geophysics of Active Volcanic Lakes)
Volume: 437
Issue: 1
Pages: 1-13
DOI
Related Report
Peer Reviewed / Int'l Joint Research
-
-
[Presentation] The dynamics of the 2011 Kirishima-Shinmoe-dake eruptions, Japan, revealed by tiltmeter, satellite, and weather radar observations2017
Author(s)
Kozono, T., Ueda, H., Ozawa, T., Koyaguchi, T., Fujita, E., Tomiya, A., and Suzuki, Y.J.
Organizer
IAVCEI General Assembly 2017
Related Report
Int'l Joint Research / Invited
-
-
-
-
-
-
-
-