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24 October 2018 Aerosol monitoring with a lidar observation network in the southern South America
Sebastian Papandrea, Yoshitaka Jin, Estela Collini, Leonardo Mingari, Hernan Ciminari, Juan Lucas Bali, M. Alejandra Salles, Albane Barbero, Pablo Ristori, Lidia Otero, Jacobo Salvador, Boris Barja, Tomoaki Nishizawa, Atsushi Shimizu, Nobuo Sugimoto, Akira Mizuno
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Proceedings Volume 10779, Lidar Remote Sensing for Environmental Monitoring XVI; 1077912 (2018) https://doi.org/10.1117/12.2324774
Event: SPIE Asia-Pacific Remote Sensing, 2018, Honolulu, Hawaii, United States
Abstract
In the southern South America, various types of aerosols have been observed including biomass burning aerosols from the Amazon region, flying ashes from the volcanic eruptions coming from the Andean Volcanic Belt, mineral dust from the Patagonian Desert, and air pollution aerosols from urban areas. To monitor such aerosols continuously, we developed a lidar observation network in Argentina and Chile. Eight lidars were installed in Argentina and one in Punta Arenas, Chile. Backscattering signals are measured at three wavelengths: 355, 532, and 1064 nm. Eight of those instruments are measuring depolarization ratio at 355 and 532 nm to detect non-spherical aerosols. In addition, four lidars are equipped Ramans channels and two high-spectral-resolution channels to measure backscattering and extinction coefficients quantitatively. Lidar operation, data analysis, and products release are implemented within the South American Environmental Risk Management Network (SAVER-Net) system, which was developed by a trinational project among Japan, Argentina, and Chile. Using lidar data, hazard information on the aerosol type and extinction coefficient at low altitude is provided for public in a near real time. In addition, plume height and qualitatively concentration for volcanic ashes are estimated. The information on volcanic ashes may be effectively used for advising aircraft landing and departing when volcanic eruptions occurs.
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Sebastian Papandrea, Yoshitaka Jin, Estela Collini, Leonardo Mingari, Hernan Ciminari, Juan Lucas Bali, M. Alejandra Salles, Albane Barbero, Pablo Ristori, Lidia Otero, Jacobo Salvador, Boris Barja, Tomoaki Nishizawa, Atsushi Shimizu, Nobuo Sugimoto, and Akira Mizuno "Aerosol monitoring with a lidar observation network in the southern South America", Proc. SPIE 10779, Lidar Remote Sensing for Environmental Monitoring XVI, 1077912 (24 October 2018); https://doi.org/10.1117/12.2324774
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KEYWORDS
LIDAR
Aerosols
Backscatter
Clouds
Atmospheric particles
Mass attenuation coefficient
Environmental sensing
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