Budget Amount *help |
¥21,580,000 (Direct Cost: ¥16,600,000、Indirect Cost: ¥4,980,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2016: ¥14,950,000 (Direct Cost: ¥11,500,000、Indirect Cost: ¥3,450,000)
Fiscal Year 2015: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
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Outline of Final Research Achievements |
In the initial schedule, we plan to simultaneously measure the scattering and absorption cross sections of black carbon particles using the single-particle light scattering method and the single-particle laser incandescence method to derive the complex refractive index of black carbon aerosols. In the course of preliminary experiments, we discovered that anthropogenic iron oxide particles generated from automobiles and steel works can be detected separately from black carbon and iron oxide particles of natural origin, and established a method. Using global observation data and numerical simulation of anthropogenic iron oxide aerosols, we evaluated global concentration and radiative forcing for the first time. In addition, a single particle dissipation method, which is a highly sensitive measurement principle for the imaginary part of the complex refractive index, was devised anew and a theoretical model and experimental system of the measurement were completed.
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