Surface atmosphere observation with 265nm LED mini-lidar

Tatsuo Shiina; Yasuyuki Kawakami; Takumi Ikeda; Kunihiko Katano; Yuta Yamaguchi

doi:10.1117/12.3031680

20 November 2024 Surface atmosphere observation with 265nm LED mini-lidar

Tatsuo Shiina, Yasuyuki Kawakami, Takumi Ikeda, Kunihiko Katano, Yuta Yamaguchi

Author Affiliations +

Proceedings Volume 13193, Remote Sensing of Clouds and the Atmosphere XXIX; 131930D (2024) https://doi.org/10.1117/12.3031680
Event: Remote Sensing, 2024, Edinburgh, United Kingdom

Abstract

Surface atmosphere has the small and steep spatiotemporal dynamics. It is influenced by the ground / sea-surface conditions, their up and down, air current, and so on. It greatly affects to the human living space. 265nm LED mini-lidar is developed to observe the surface atmosphere. As the transmitting light is in solar blind region, it can monitor near-range atmosphere up to 100m in daytime with the same signal-to-noise ratio in nighttime. The lidar echo detection was evaluated under the solar illumination. It is confirmed that the enough signal-to-noise ratio is obtained in daytime, which is matched with the theoretical estimation. The surface atmosphere observation is simulated with the artificial fog / rain facility “Light Tunnel”. Fog flow and rainfall were visualized and analyzed with time series lidar echoes. We will propose the easy-to-use method for dynamics monitoring of surface atmosphere.

Conference Presentation

Citation Download Citation

Tatsuo Shiina, Yasuyuki Kawakami, Takumi Ikeda, Kunihiko Katano, and Yuta Yamaguchi "Surface atmosphere observation with 265nm LED mini-lidar", Proc. SPIE 13193, Remote Sensing of Clouds and the Atmosphere XXIX, 131930D (20 November 2024); https://doi.org/10.1117/12.3031680

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