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Revealing the Secrets of Arctic Cloud with Polar 6

The cloud particle microphysics and optics group at the KIT has equipped the right wing of Polar 6 with in-situ instrumentation for full characterisation of the arctic mixed-phase clouds. The KIT small ice detector 3 (SID-3) is responsible for measuring the droplet size distribution and for sub-sample of the particles phase detection is possible. The Particle Habit Imaging and Polar Scattering (PHIPS) probe is a novel imager that provides unique high resolution stereoscopic view of arctic ice particles. Simultaneously, angular light scattering function of single cloud particles is recorded and used for phase discrimination. We hope that this novel method for separating ice particles from droplets will significantly improve the current knowledge of ice crystal number concentrations in arctic mixed-phase clouds.

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