2011 Fiscal Year Final Research Report
Effects of zonal winds on seismo-acoustic waves
| Project/Area Number |
21540433
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Solid earth and planetary physics
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| Research Institution | Japan Aerospace Exploration Agency |
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Principal Investigator |
KOBAYASHI Naoki 独立行政法人宇宙航空研究開発機構, 宇宙科学研究所, 助教 (30272660)
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| Project Period (FY) |
2009 – 2011
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| Keywords | モード計算 / 地震波 / 東西風 / 音波 / カップリング |
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| Research Abstract |
With development of the technology for seismic measurement, seismo-acoustic waves have been often observed in shallow large earthquakes. I developed a numerical method in which we can calculate acoustic modes for a coupled model of the solid earth and atmosphere to explain the observed seismic sounds. The atmosphere however has significant motions(winds) that can affect sound propagation differing from the solid earth. To understand effects of winds on acoustic propagation, I made a code dealing with the effect in the normal mode calculation and calculated seismo-acoustic waves affected by winds.
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