Estimation of dust related ice nucleating particles in the atmosphere: Comparison of profiling and in-situ measurements
2019
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 numberand surface area concentrations in the dust layer. The observations were performed in long- range transported Saharan dust at Barbados and
Asian dustat Cyprus. The
Asian dustdata 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 monitorthe concentration of ice nucleating dust particles vertically resolved from lidar measurements.
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