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Proceedings Paper

Lidar and Optical Particle Counter (OPC) measurements of polar and tropical stratospheric aerosols
Author(s): Motoaki Yasui; Masahiko Hayashi; Tomohiro Nagai; Takatsugu Matsumura; Kohei Mizutani; Toshikasu Itabe; Osamu Uchino; Toshifumi Fujimoto; Motowo Fujiwara; Takashi Shibata; Sri Kaloka Prabotosari; Saipul Hamdi
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Paper Abstract

Lidar and Optical Particle Counter (OPC) measurements were performed in the Canadian Arctic and in the Indonesian Tropical region. The observations yielded very interesting and important results about the features of the latitudinal difference in the stratospheric aerosols. Besides the latitudinal difference, the aerosol distributions and their time variation showed unique characteristics in each of the regions. In Arctic winter, the aerosol concentration varies frequently day-today. In the Tropical region, the aerosol distribution and the vertical transport is, probably, controlled by the variation of the circulation pattern in the lower stratosphere related to the QBO in the tropical stratosphere. Based on the results of the simultaneous measurements by lidar and OPCs, we estimated surface area density, volume density, S-parameter (extinction to backscatter ratio), backscatter to surface area conversion factor, and backscatter to volume conversion factor of the stratospheric aerosols at 20km-altitude in the Arctic and Tropical regions.

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: 10.1117/12.417083
Show Author Affiliations
Motoaki Yasui, Communications Research Lab. (Japan)
Masahiko Hayashi, Fukuoka Univ. (Japan)
Tomohiro Nagai, Meteorological Research Institute (Japan)
Takatsugu Matsumura, Fukuoka Univ. (Japan)
Kohei Mizutani, Communications Research Lab. (Japan)
Toshikasu Itabe, Communications Research Lab. (Japan)
Osamu Uchino, Japan Meteorological Agency (Japan)
Toshifumi Fujimoto, Japan Meteorological Agency (Japan)
Motowo Fujiwara, Fukuoka Univ. (Japan)
Takashi Shibata, Nagoya Univ. (Japan)
Sri Kaloka Prabotosari, National Institute of Aeronautics and Space (Indonesia)
Saipul Hamdi, National Institute of Aeronautics and Space (Indonesia)

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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