Articles | Volume 17, issue 4
https://doi.org/10.5194/amt-17-1197-2024
https://doi.org/10.5194/amt-17-1197-2024
Research article
 | 
20 Feb 2024
Research article |  | 20 Feb 2024

Geometrical and optical properties of cirrus clouds in Barcelona, Spain: analysis with the two-way transmittance method of 4 years of lidar measurements

Cristina Gil-Díaz, Michäel Sicard, Adolfo Comerón, Daniel Camilo Fortunato dos Santos Oliveira, Constantino Muñoz-Porcar, Alejandro Rodríguez-Gómez, Jasper R. Lewis, Ellsworth J. Welton, and Simone Lolli

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Cited articles

Baran, A. J., Connolly, P. J., and Lee, C.: Testing an ensemble model of cirrus ice crystals using midlatitude in situ estimates of ice water content, volumen extinction coefficient and the total solar optical depth, Q. J. Roy. Meteor. Soc., 110, 1579–1598, 2009. a
Baran, A. J., Bodas-Salcedo, A., Cotton, R., and Lee, C.: Simulating the equivalent radar reflectivity of cirrus at 94 GHz using an ensemble model of cirrus ice crystals: a test of the Met Office global numerical weather prediction model, Q. J. Roy. Meteor. Soc., 137, 1547–1560, 2011a. a
Baran, A. J., Connolly, P. J., Heymsfield, A. J., and Bansemer, A.: Using in situ estimates of ice water content, volume extinction coefficient, and the total solar optical depth obtained during the tropical ACTIVE campaign to test an ensemble model of cirrus ice crystals, Q. J. Roy. Meteor. Soc., 137, 199–218, 2011b. a
Behrendt, A.: Temperature Measurements with Lidar, in: Lidar, Springer Series in Optical Sciences, edited by: Weitkamp, C., vol. 102, Springer, New York, NY, https://doi.org/10.1007/0-387-25101-4_10, 2005. a
Behrendt, A. and Nakamura, T.: Calculation of the calibration constant of polarization lidar and its dependency on atmospheric temperature, Opt. Express, 10, 805–817, 2002. a, b
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Short summary
In this paper, a statistical study of cirrus geometrical and optical properties based on 4 years of continuous ground-based lidar measurements with the Barcelona (Spain) Micro Pulse Lidar (MPL) is analysed. The cloud optical depth, effective column lidar ratio and linear cloud depolarisation ratio have been calculated by a new approach to the two-way transmittance method, which is valid for both ground-based and spaceborne lidar systems. Their associated errors are also provided.