| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Research Abstract |
A concept of lithosphere-atmosphere-ionosphere(LAI) coupling related to an earthquake has arisen to understand the physical mechanism of pre-seismic ionospheric and atmospheric anomalies[ Kamogawa, Eos, 2006]. In this study, the following results concerning LAI coupling phenomena. Significant total electron contents(TEC) variation in the ionosphere was not also observed during 2011 Fukushima Nuclear power plant accident.[ Kakinami & Kamogawa et al., ASR, 2011]. We discovered another co-seismic ionospheric phenomenon which is that a giant tsunami after the subduction earthquake produces an ionospheric hole, termed a"tsunamigenic ionospheric hole". It is widely a sudden depletion of ionospheric total electron content(TEC) in the hundred kilometer scale and lasts for a few tens of minutes[ Kakinami & Kamogawa et al., GRL, 2012].
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