Abstract
A new technique for quantifying SPM concentration by using a scanning ridar was developed and applied to the observation of SPM above the Meiji-shrine forest and the Sinjuku-city in summer 1997. The following results were obtained; 1) coupling of calibration by using outputs of ground based SPM sampler and theoretical correction for so called Raoult's effect of aerosol particles made it possible to estimate SPM concentration from rider signals, 2) temporal and spatial distribution of SPM concentration were observed by the rider, and they were used to discuss corresponding meso-scale climate meteorological fields such as diurnal change of atmospheric boundary and sea breeze penetration.
