Vertical distribution of atmospheric particles and water vapor densities in the free troposphere: Lidar measurement in spring and summer in Nagoya, Japan

Density distributions of atmospheric water vapor and aerosol particles in the troposphere were observed from April to August 1994 in Nagoya, Japan, with a Raman-scattering lidar. In spring, highly concentrated particle layers were frequently observed in the free troposphere, and in summer air mass with high relative humidity was detected. These suggest the possibility that density distributions of aerosol particles and water vapor over Japan are strongly affected by air mass from the Asian continent in spring and from the Pacific ocean in summer.

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