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17 November 2014 Characterization of aerosols in East Asia with the Asian Dust and Aerosol Lidar Observation Network (AD-Net)
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Continuous observations of aerosols are being conducted with the Asian Dust and aerosol lidar observation Network (AD-Net). Currently, two-wavelength (1064 nm and 532 nm) polarization-sensitive (532 nm) lidars are operated at 20 stations in East Asia. At the primary stations (6 stations), nitrogen vibrational Raman scattering is also measured to obtain the extinction coefficient at 532 nm. Recently, continuous observations with a three-wavelength (1064 nm, 532 nm and 355 nm) lidar having a high-spectral-resolution receiver at 532 nm and a Raman receiver at 355 nm and polarization-sensitive receivers at 532 nm and 355 nm) was started in Tsukuba. Also, continuous observations with multi-wavelength Raman lidars are being prepared in Fukuoka, Okinawa Hedo, and Toyama. A data analysis method for deriving distributions of aerosol components (weak absorption fine (such as sulfate), weak absorption coarse (sea salt), strong absorption fine (black carbon), non-spherical (dust)) has been developed for these multi-parameter lidars. Major subjects of the current studies with AD-Net include data assimilation of multi-parameter lidars, mixing states of Asian dust with air pollution particulate matter, and validation of EarthCARE ATLID based on the aerosol component analysis method.
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Nobuo Sugimoto, Tomoaki Nishizawa, Atsushi Shimizu, Ichiro Matsui, and Yoshitaka Jin "Characterization of aerosols in East Asia with the Asian Dust and Aerosol Lidar Observation Network (AD-Net)", Proc. SPIE 9262, Lidar Remote Sensing for Environmental Monitoring XIV, 92620K (17 November 2014);

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