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Proceedings Paper

Observation of aerosols and clouds in the western tropical Pacific using a two-wavelength polarization lidar on the research vessel Mirai
Author(s): Ichiro Matsui; Nobuo Sugimoto; Zhaoyan Liu; Atsushi Shimizu; Kazuhiro Asai; Toshiyuki Murayama
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Paper Abstract

Observations of aerosols and clouds have been conducted in the Pacific with a ship-board Mie scattering lidar using the research vessel Mirai. The purpose of the observations is to obtain global distribution of aerosols and clouds over the Pacific Ocean for climatology and studies of radiative processes and ocean-atmosphere interaction. The data are used also in the study of data reduction and utilization methods for the space-borne lidars. The lidar for R/V Mirai is a two-wavelength Miescattering lidar (532 nm and 1064 nm) using a flashlamp pumped Nd:YAG laser. It has a depolarization receiver at 532 nm. We have performed observations in six cruises of R/V Mirai since 1999. Cloud distribution, cloud phase, vertical distribution of aerosol, wavelength dependence of aerosol backscatter, etc. have been analyzed. The parameters measured with the lidar, i.e. backscatter at two wavelengths and depolarization, are similar to space-borne lidars such as PICASSO and the Japanese "A-lidar". The results of the observations demonstrate the usefulness of a two-wavelength polarization lidar.

Paper Details

Date Published: 13 February 2001
PDF: 8 pages
Proc. SPIE 4153, Lidar Remote Sensing for Industry and Environment Monitoring, (13 February 2001); doi: 10.1117/12.417051
Show Author Affiliations
Ichiro Matsui, National Institute for Environmental Studies (Japan)
Nobuo Sugimoto, National Institute for Environmental Studies (Japan)
Zhaoyan Liu, National Institute for Environmental Studies (Japan)
Atsushi Shimizu, National Institute for Environmental Studies (Japan)
Kazuhiro Asai, Tohoku Institute of Technology (Japan)
Toshiyuki Murayama, Tokyo Univ. of Mercantile Marine (Japan)


Published in SPIE Proceedings Vol. 4153:
Lidar Remote Sensing for Industry and Environment Monitoring
Upendra N. Singh; Upendra N. Singh; Kazuhiro Asai; Toshikasu Itabe; Toshihiro Ogawa; Nobuo Sugimoto, Editor(s)

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