Lidar observations of the stratospheric aerosols at Bandung, Indonesia

Kohei Mizutani; Toshikasu Itabe; Motoaki Yasui; Tetsuo Aoki; Tomohiro Nagai; Toshifumi Fujimoto; Masao Hirota; Osamu Uchino; Agus Nuryanto; Sri Kaloka Prabotosari; Saipul Hamdi

doi:10.1117/12.319585

19 August 1998 Lidar observations of the stratospheric aerosols at Bandung, Indonesia

Kohei Mizutani, Toshikasu Itabe, Motoaki Yasui, Tetsuo Aoki, Tomohiro Nagai, Toshifumi Fujimoto, Masao Hirota, Osamu Uchino, Agus Nuryanto, Sri Kaloka Prabotosari, Saipul Hamdi

Author Affiliations +

Proceedings Volume 3504, Optical Remote Sensing for Industry and Environmental Monitoring; (1998) https://doi.org/10.1117/12.319585
Event: Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 1998, Beijing, China

Abstract

We installed a lidar system for observations of the stratospheric aerosols at Bandung, Indonesia on November 1996. The system employed the second harmonic wavelength (532 nm) of Nd:YAG laser. We can measure scattering ratio and depolarization of 532 nm, and Raman scattering of N₂ (607 nm). The system works well and the stratospheric aerosols were detected between 18 km and about 35 km. Cirrus clouds are always observed between 10 km and tropopause and area around tropopause is clear except for cloud-like structures. Integrated backscattering coefficient (IBC) of the stratospheric aerosols in 1997 is about 6 X 10^-5sr^-1 level and smaller than the value observed in mid-latitude, corresponding to the higher tropopause in the equatorial region. Variation of IBC at Bandung seems to be small. It is yet not clear whether current aerosol load is background level or not. We need more long period observations to discuss about seasonal, QBO, and long term variation of aerosol load.

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Kohei Mizutani, Toshikasu Itabe, Motoaki Yasui, Tetsuo Aoki, Tomohiro Nagai, Toshifumi Fujimoto, Masao Hirota, Osamu Uchino, Agus Nuryanto, Sri Kaloka Prabotosari, and Saipul Hamdi "Lidar observations of the stratospheric aerosols at Bandung, Indonesia", Proc. SPIE 3504, Optical Remote Sensing for Industry and Environmental Monitoring, (19 August 1998); https://doi.org/10.1117/12.319585

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