| Budget Amount *help |
¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2015: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Outline of Final Research Achievements |
The understanding of the cumulonimbus (Cb) generation process and the fine structure of tornadoes and downbursts is of great importance not only for scientific purpose, but also for the mitigation of disasters. In this study, a cloud image camera system was installed at the National Defense Academy of Yokosuka (100 m above sea level) to observe Cb development and gust winds (tornadoes, downbursts and gust fronts) around the metropolitan area. On the basis of simultaneous observations of Cb using the X-band Doppler radar, the millimeter-wave cloud radar, and photogrammetry during 5 years (2011-2015), the detailed structures of supercells, the parent cloud of tornadoes, downbursts, gust fronts, initiations of isolated cumulonimbi (first echo) were revealed. The results of this study were introduced by some media, homepages and books for the mitigation of meteorological disasters.
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