Long term observation of low altitude atmosphere by high precision polarization lidar

Tatsuo Shiina; Kazuo Noguchi; Tetsuo Fukuchi

doi:10.1117/12.898600

30 September 2011 Long term observation of low altitude atmosphere by high precision polarization lidar

Tatsuo Shiina, Kazuo Noguchi, Tetsuo Fukuchi

Proceedings Volume 8182, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing VII; 81820O (2011) https://doi.org/10.1117/12.898600
Event: SPIE Remote Sensing, 2011, Prague, Czech Republic

Abstract

Prediction of weather disaster such as heavy rain and light strike is an earnest desire. Successive monitoring of the low altitude atmosphere is important to predict it. In this study, high precision polarization lidar was developed to observe the low altitude atmosphere. This lidar has the high extinction ratio of polarization of >30dB to detect the small polarization change of the atmosphere. The change of the polarization in the atmosphere leads to the detection of the depolarization effect and the Faraday effect, which are caused by ice-crystals and lightning discharge, respectively. The long-term observation was accomplished at low elevation angle. It aims to monitor the low altitude atmosphere under the cloud base and capture its spatial distribution and convection process. The observation has been continued in the cloudy and rainy days. The thunder cloud is also a target.

Citation Download Citation

Tatsuo Shiina, Kazuo Noguchi, and Tetsuo Fukuchi "Long term observation of low altitude atmosphere by high precision polarization lidar", Proc. SPIE 8182, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing VII, 81820O (30 September 2011); https://doi.org/10.1117/12.898600

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