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３巻１号 （2022年4月） Volume 3, Number 1 (April 2022) |
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解説: ミー散乱ライダーネットワークによる東アジア域対流圏エアロゾルのモニタリング pp. 3-12 Technical Review: Continuous monitoring of tropospheric aerosols in east Asian region using Mie-scattering lidar network 清水 厚 Atsushi Shimizu |
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Abstract The Asian Dust and Aerosol Lidar Observation Network(AD-Net)is a lidar network for continuous observation of vertical distributions of the Asian dust and other aerosols in East Asia. AD-Net is a con- tributing network to the Global Atmosphere Watch(GAW)of the World Meteorological Organization, and it forms an East Asian component of the GAW Aerosol Lidar Observation Network(GALION). The semirealtime analysis routine of AD-Net is optimized for identifying aerosol layers in the tropo- sphere and for distinguishing the Asian dust and anthropogenic particles. The dust extinction coefficient, which is derived using aerosol extinction coefficient and particulate depolarization ratio, is a unique product in AD-Net to express the density of the Asian dust(nonspherical)particles in the atmosphere. The utilizations of dust extinction coefficient are discussed, including epidemiology, chemical transport model validation and climatological change in the Asian dust over Japan. |