Temporal variability of the specularity of high-level clouds according to the data on laser polarization sensing

Ignatii V. Samokhvalov; Ilia D. Bryukhanov; Evgenii V. Ni

doi:10.1117/12.2575529

12 November 2020 Temporal variability of the specularity of high-level clouds according to the data on laser polarization sensing

Ignatii V. Samokhvalov, Ilia D. Bryukhanov, Evgenii V. Ni

Author Affiliations +

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115604C (2020) https://doi.org/10.1117/12.2575529
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

Results of the experiments on laser polarization sensing of high-level clouds with anomalous backscattering (specular clouds) performed with the high-altitude polarization lidar developed at National Research Tomsk State University (NR TSU) with a short lidar return accumulation time (about 3 minutes) are described. It has been shown that the preferred horizontal orientation of ice crystals in clouds is manifested even at such a short signal accumulation time intervals. Interpretation of the results of the experiment with longer accumulation leads to the identification of a cloud as a specular one despite the presence of not only a specular, but also non-specular local areas in it.

Citation Download Citation

Ignatii V. Samokhvalov, Ilia D. Bryukhanov, and Evgenii V. Ni "Temporal variability of the specularity of high-level clouds according to the data on laser polarization sensing", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115604C (12 November 2020); https://doi.org/10.1117/12.2575529

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