Estimation of dust related ice nucleating particles in the atmosphere: Comparison of profiling and in-situ measurements

Vertical profiles of number concentrations of dust particles relevant for ice nucleation in clouds are derived from lidar measurements. The results are compared to coincidental airborne in-situ measurements of particle number and surface area concentrations in the dust layer. The observations were p...

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Bibliographic Details
Published in:E3S Web of Conferences 2019-01, Vol.99, p.4002
Main Authors: Haarig, Moritz, Ansmann, Albert, Walser, Adrian, Baars, Holger, Urbanneck, Claudia, Weinzierl, Bernadett, Schöberl, Manuel, Dollner, Maximilian, Mamouri, Rodanthi, Althausen, Dietrich
Format: Article
Language:English
Subjects:
Airborne sensing
Clouds
Data analysis
Dust
Ice
Ice nucleation
Lidar
Nucleation
Particulates
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Summary:Vertical profiles of number concentrations of dust particles relevant for ice nucleation in clouds are derived from lidar measurements. The results are compared to coincidental airborne in-situ measurements of particle number and surface area concentrations in the dust layer. The observations were performed in long- range transported Saharan dust at Barbados and Asian dust at Cyprus. The Asian dust data analysis is ongoing. A comparison of Asian and Saharan dust will be given at the conference. Concentrations of ice nucleating particles in the order of 10 to 1000 per cm -3 in the dust layer are derived for a temperature of -25°C at Barbados. The method can be used to continuously monitor the concentration of ice nucleating dust particles vertically resolved from lidar measurements.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/20199904002