Articles | Volume 18, issue 15
https://doi.org/10.5194/amt-18-3611-2025
https://doi.org/10.5194/amt-18-3611-2025
Research article
 | 
04 Aug 2025
Research article |  | 04 Aug 2025

Assessment of horizontally oriented ice crystals with a combination of multiangle polarization lidar and cloud Doppler radar

Zhaolong Wu, Patric Seifert, Yun He, Holger Baars, Haoran Li, Cristofer Jimenez, Chengcai Li, and Albert Ansmann

Data sets

ERA5 hourly data on pressure levels from 1940 to present H. Hersbach et al. https://doi.org/10.24381/cds.bd0915c6

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Short summary
This study introduces a novel method to detect horizontally oriented ice crystals (HOICs) using two ground-based polarization lidars at different zenith angles, based on a yearlong dataset collected in Beijing. Combined with cloud radar and reanalysis data, the fine categorization results reveal HOICs occur in calm winds and moderately cold temperatures and are influenced by turbulence near cloud bases. The results enhance our understanding of cloud processes and improve atmospheric models.
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