| Budget Amount *help |
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
Oceanographic radar, which can observe distributions and time-variations of coastal surface currents, is expected to detect actual tsunami arrivals. Technical and observation parameters of tsunami observation by oceanographic radar are discussed in detail and summarized.
The q-factor, which signals the tsunami arrival when it exceeds a threshold value, is evaluated as its performance. As the extension of the q-factor computation, we introduce averaging method of coastal current velocities over “width-limited band” to analyze in detail short-time distribution of current patterns like tsunami waves and oscillation. The inversion method to estimate tsunami initial surface elevation using oceanographic radar data is also developed and will contribute to prevent and mitigate tsunami disasters.
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