Simultaneous Raman and Mie-Rayleigh lidar measurement in the lower troposphere

Tetsuo Fukuchi; Takashi Fujii; Takuya Nayuki; Koshichi Nemoto

doi:10.1117/12.466077

21 March 2003 Simultaneous Raman and Mie-Rayleigh lidar measurement in the lower troposphere

Tetsuo Fukuchi, Takashi Fujii, Takuya Nayuki, Koshichi Nemoto

Proceedings Volume 4893, Lidar Remote Sensing for Industry and Environment Monitoring III; (2003) https://doi.org/10.1117/12.466077
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

A lidar system capable of simultaneous measurement of Raman and Mie-Rayleigh scattering was constructed, and used for measurement of 03, water vapor, and aerosols in the lower troposphere. 03 concentration measurement was performed by differential absorption of N2 and 02 Raman scattering signals with the lidar transmitter operating at 280.0 nm, and also by differential absorption of Mie-Rayleigh scattering and of N2 Raman scattering with the transmitter operating at 279.5 nm and 280.5 nm on alternate pWses. Water vapor profiles were obtained as the mix ing ratio relative to N2 using the N2 and H20 Raman scattering signals with the lidar transmitter operating at 280.0 nm. Simultaneous measurement of H20 Raman scattering and Mie scattering over a continuous period of about 13 hours showed that the lidar system can identify uncondensed water vapor and condensed water vapor by comparison of temporal and spatial variations of the water vapor mixing ratio and of the Mie backscattering coefficient.

Citation Download Citation

Tetsuo Fukuchi, Takashi Fujii, Takuya Nayuki, and Koshichi Nemoto "Simultaneous Raman and Mie-Rayleigh lidar measurement in the lower troposphere", Proc. SPIE 4893, Lidar Remote Sensing for Industry and Environment Monitoring III, (21 March 2003); https://doi.org/10.1117/12.466077

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