To investigate the correlation among the meteorological events relating with global warming issue, development
of accurate atmospheric observation systems of the troposphere is required. An ultraviolet high-spectral-resolution
(HSR) lidar with polarization detection has been developed using narrowband Fabry-Perot interference filters.
Ultraviolet wavelength is used in the system for eye-safety characteristics and high accuracy measurements
compared with visible lidar systems. Various meteorological phenomena have been observed by the HSR lidar
system for 10 months. By simultaneous measurement of depolarization ratio with extinction coefficient and
lidar ratio, the system could separated and classify spherical and non-spherical aerosol, water clouds and ice
clouds. Probability distribution of lidar ratio of aerosol and clouds has also been measured. The UV-HSR lidar
system in combination with depolarization ratio measurement has shown a potential for classifying qualitative
and quantitative information of aerosol and clouds and useful for analyzing the influences on the heat balance
of the earth.
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