Observation of Snow Falling Cloud by Laser Radar with Depolarization Measurement
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- SAITO Norio
- Department of Electronics, Faculty of Engineering, Yamagata University
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- TANNO Naohiro
- Department of Electronics, Faculty of Engineering, Yamagata University
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- TAKAHASHI Yoshio
- Department of Electronics, Faculty of Engineering, Yamagata University
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- YOKOTO Kenichi
- Department of Electronics, Faculty of Engineering, Yamagata University
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- SHIMIZU Hiroshi
- The National Institute for Environmental Studies
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- SUGIMOTO Nobuo
- The National Institute for Environmental Studies
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- MATSUI Ichiro
- The National Institute for Environmental Studies
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- SASANO Yasuhiro
- The National Institute for Environmental Studies
Bibliographic Information
- Other Title
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- 偏光解消度測定用レーザーレーダーによる降雪雲の観測
Abstract
The present paper describes the results of observation on the behaviour of a sectional snow cloud at Yonezawa by a Mie scattering laser radar. Laserradar offers the measurement of the phase of a cloud to a certain extent by using the depolarization property of backward scattering light. The present laser radar has two receiving channels for measuring vertically and horizontally polarized signals simultaneously. During the observation there was once a heavy snow fall which continued until the following day, besides several intermittent snow falls. From the observation of continuous snow, the most significant behavior of the cloud before the snow fall was that the ceiling height decreased gradually, after the ice-crystal cloud of the upper layer had changed to snow-flake cloud. For intermittent snow, the variation in the height of the clouds was much more prominent than in the case of continuous snow.
Journal
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- Oyo Buturi
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Oyo Buturi 54 (9), 952-958, 1985
The Japan Society of Applied Physics
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Details 詳細情報について
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- CRID
- 1390282679572658304
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- NII Article ID
- 130003591758
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- ISSN
- 21882290
- 03698009
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed