Depolarization Ratio of Clouds Measured by Multiple-Field of view Multiple Scattering Polarization Lidar

Hajime Okamoto, Kaori Sato, Toshiyuki Makino, Tomoaki Nishizawa, Nobuo Sugimoto, Yoshitaka Jin, Atsushi Shimizu

研究成果: ジャーナルへの寄稿Conference article

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We have developed the Multiple Field of view Multiple Scattering Polarization Lidar (MFMSPL) system for the study of optically thick low-level clouds. It has 8 telescopes; 4 telescopes for parallel channels and another 4 for perpendicular channels. The MFMSPL is the first lidar system that can measure depolarization ratio for optically thick clouds where multiple scattering is dominant. Field of view of each channel was 10mrad and was mounted with different angles ranging from 0 mrad (vertical) to 30mrad. And footprint size from the total FOV was achieved to be close to that of Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) lidar at the altitude of 1km in order to reproduce similar degree of multiple scattering effects as observed from space. The MFMSPL has started observations since June 2014 and has been continuously operated at National Institute for Environmental Studies (NIES) in Tsukuba, Japan. Observations proved expected performance such that measured depolarization ratio was comparable to the one observed by CALIPSO lidar.

元の言語英語
記事番号11007
ジャーナルEPJ Web of Conferences
119
DOI
出版物ステータス出版済み - 6 7 2016
イベント27th International Laser Radar Conference, ILRC 2015 - New York, 米国
継続期間: 7 5 20157 10 2015

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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