| Budget Amount *help |
¥18,200,000 (Direct Cost: ¥14,000,000、Indirect Cost: ¥4,200,000)
Fiscal Year 2010: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2009: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2008: ¥11,570,000 (Direct Cost: ¥8,900,000、Indirect Cost: ¥2,670,000)
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| Research Abstract |
We investigate the ionosphere-thermosphere coupling process by visualization of neutral atmosphere and plasma. The visualizations are carried out by Lithium gas releases from rockets, which are launched by NASA and JAXA/ISAS. The Lithium gas scatters sunlights with a wavelength of 670nm, and the bright gas is observed by CCD cameras with narrow band filters at 3 ground stations. From the diffusion and the movement of the Lithium gas, we estimate neutral wind velocity, density and temperature at altitudes from 100km to 300km.
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