JpGU Meeting 2025
Session Outline| Multidisciplinary and Interdisciplinary (M) | ||||
|---|---|---|---|---|
| Session Sub-category | Technology & Techniques (TT) | |||
| Session ID | M-TT39 | |||
| Session Title | Brand-new scope of coupling geophysics being established by infrasound and associated waves | |||
| Short Title | Coupling geophysics by infrasound waves | |||
| Date & Time | Oral Session |
AM1-AM2 Wed, 28 MAY | ||
| On-site Poster Coretime |
PM3 Wed. 28 MAY | |||
| Main Convener | Name | Masa-yuki Yamamoto | ||
| Affiliation | Department of systems engineering, Kochi University of Technology | |||
| Co-Convener 1 | Name | Yasuhiro Nishikawa | ||
| Affiliation | Kochi University of technology. School of System Engineering. | |||
| Co-Convener 2 | Name | Mie Ichihara | ||
| Affiliation | Earthquake Research Institute, University of Tokyo | |||
| Co-Convener 3 | Name | Takayuki Otsu | ||
| Affiliation | Japan Weather Association | |||
| Session Language | J | |||
| Scope (Session Description) |
Infrasound and associated wave studies are recently focused on coupling waves with long-distant and vertical propagation characteristics. Such kinds of waves, having with coupling process between the atmosphere and the surface of ground and ocean, are linked with elastic waves in lithosphere and oceanic sphere, as well as to atmospheric regions up to the upper atmosphere, playing a role of generating many kinds of wavelike turbulence in thermosphere. Moreover, whole on the globe, these waves excited depending on the latitude regions, as well as on the environmental regions, such as snow ice, desert, rainforest, mountain, ocean, etc., have their own characteristics. These waves can be excited by large-scale geophysical events like volcanic eruptions, tsunami, thunderstorms, etc. as well as artificial explosions, propagating with long distance. In this session, we would like to discuss such "coupling geophysics" by using many new or well-known investigated data and simulations of infrasound and associated low frequency waves. It can combine multiple spheres in geophysics and bring a brand-new scope of geophysics. Your contributions from many regions are welcome! |
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| Session Format | Orals and Posters session | |||
| Co-sponsorship | Partner Union(s) | - | ||
| JpGU Society Member(s) | - | |||
| International Collaborative Society | - | |||
| Organizations Other Than JpGU Society Members | - | |||
| Time | Presentation No | Title | Presenter |
|---|---|---|---|
| Oral Presentation May 28 AM1 | |||
| 9:00 - 9:15 | MTT39-01 | Large-Scale Numerical Simulation of Tsunami-Induced Atmospheric Pressure Waves Using a 3-D Spherical Coordinate System Based on Finite-Difference Time-Domain Method | Kan Okubo |
| 9:15 - 9:30 | MTT39-02 | Advanced Tsunami Early Warning: A Seismoacoustic Approach for the Southern Mediterranean | Hany S. Elbehiri |
| 9:30 - 9:45 | MTT39-03 | Trial observation to identify environmental noise sources in I30JP | Makiko Iwakuni |
| 9:45 - 10:00 | MTT39-04 | Characteristics of pressure disturbances observed in an ultra high-resolution 100 point microbarometor network | Takumi Hiramine |
| 10:00 - 10:15 | MTT39-05 | Avalanche infrasounds observed at Mt. Shiribetsu, Hokkaido, during the winter seasons 2023/2024 and 2024/2025 | Seira Kaechi |
| 10:15 - 10:30 | MTT39-06 | Infrasonic waves from Martian dust devils seen in atmospheric pressure fluctuations | Kazuma Takada |
| Oral Presentation May 28 AM2 | |||
| 10:45 - 11:00 | MTT39-07 | A Trial of high-density, high-sensitivity, and high-frequency micro-pressure observation in the main part of Fukuoka City | Kensuke Nakajima |
| 11:00 - 11:15 | MTT39-08 | Development of a GIS web application for natural phenomenon information based on infrasound measurements | Midori Yamazaki |
| 11:15 - 11:30 | MTT39-09 | A trial of in-situ infrasonic/audible sound measurements in lower/middle troposphere using a glide recovery type balloon observation sysytem | Masa-yuki Yamamoto |
| 11:30 - 11:45 | MTT39-10 | Optimizing Infrasound Observations for Sample Return Capsules re-entry | Yasuhiro Nishikawa |
| 11:45 - 12:00 | MTT39-11 | Infrasound to 300 km? Reevaluating Upper-Atmospheric Wave Dissipation with Weak-Shock Modeling | Hiroaki Saito |
| Presentation No | Title | Presenter |
|---|---|---|
| Poster Presentation May 28 PM3 | ||
| MTT39-P01 | Infrasound migrated sources involving cryosphere dynamics in the Lützow-Holm Bay region, Antarctica | Masaki Kanao |
| MTT39-P02 | Array Observation and Microbaroms Analysis at Atsugi and Kawaguchiko Using a New Microbarometer | Ayami Suzuki |
| MTT39-P03 | Performance Evaluation of Stability of a New MEMS Microbarometer | Takuma Oi |
| MTT39-P04 | Infrasound analysis via CTBTO | Yuki Takeda |