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12 November 2020 Retrieving microphysics of cirrus clouds from lidar-radar and depolarization ratios
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Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115602E (2020) https://doi.org/10.1117/12.2575390
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation
Abstract
Simultaneous measurement of lidar and radar signals returned from the same cirrus clouds is a prospective method for retrieving the cloud microphysics, i.e. size and shape of the ice crystals constituting the cloud. In this study, the ratio of the backscattered signals of lidar and radar called the lidar-radar ratio has been calculated for the first time for typical shapes of ice crystals and wide distribution of the crystals over their sizes. It is shown that it is the lidar-radar ratio that is most sensitive to crystal sizes while the lidar depolarization ratio is most sensitive to crystal shapes.
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Anatoli G. Borovoi, Zhenzhu Wang, Victor A. Shishko, Natalia V. Kustova, Alexander V. Konoshonkin, Dmitry N. Timofeev, Chenbo Xie, and Dong Liu "Retrieving microphysics of cirrus clouds from lidar-radar and depolarization ratios", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115602E (12 November 2020); https://doi.org/10.1117/12.2575390
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