Observations of atmospheric boundary layer at the inland district capital Nagano with a bistatic imaging lidar

Akio Nomura; Jinming Lin; Takashi Ito; Fumitoshi Kobayashi; Takuya D. Kawahara; Yasunori Saito

doi:10.1117/12.417095

13 February 2001 Observations of atmospheric boundary layer at the inland district capital Nagano with a bistatic imaging lidar

Akio Nomura, Jinming Lin, Takashi Ito, Fumitoshi Kobayashi, Takuya D. Kawahara, Yasunori Saito

Author Affiliations +

Proceedings Volume 4153, Lidar Remote Sensing for Industry and Environment Monitoring; (2001) https://doi.org/10.1117/12.417095
Event: Second International Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 2000, Sendai, Japan

Abstract

We have developed the bistatic imaging lidar for measuring the lower atmosphere at the daytime as well as at nighttime. The lidar has composed of a transmitting system of a Nd: YAG laser (532nm, 10Hz, and 5OmJ) and a receiving system of a cooled high-sensitive CCD camera with an image intensifier as a high-speed shutter. Vertical profiles could be obtained every one minute and indicated in a real time monitor with color contoured time-height indication. We have been making regularly the 24 hours observations of the atmospheric boundary layer once a week at the inland district capital, Nagano City, closed in by the high mountains since August 1999. Some interested results have been obtained from the temporal and seasonal variations of the boundary layer. We describe the oscillatory rising motion of the top height of the boundary layer in the morning, the diffusion of aerosols due to car fumes during the rush hours both in the morning and in the evening and the downward motion of the cloud base height just before rain or snow. Moreover, it is reported about the difference of boundary layer activities between in summer and in winter under an inland climate.

Citation Download Citation

Akio Nomura, Jinming Lin, Takashi Ito, Fumitoshi Kobayashi, Takuya D. Kawahara, and Yasunori Saito "Observations of atmospheric boundary layer at the inland district capital Nagano with a bistatic imaging lidar", Proc. SPIE 4153, Lidar Remote Sensing for Industry and Environment Monitoring, (13 February 2001); https://doi.org/10.1117/12.417095

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