On the theories of type 1 polar stratospheric cloud formation

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Abstract

Several mechanisms for the production of polar stratospheric cloud (PSC) particles are investigated using the classical theories of nucleation and freezing and the multicomponent condensation theory. We conclude that the most likely route to type 1 PSC particles is via condensational growth of ternary solution droplets followed by rapid freezing to NAT, SAT, and water ice at temperatures near the ice frost point. The particles formed are then stable and can reduce nitric acid vapor pressures to the saturation vapor pressure over NAT at all temperatures below the NAT point. -from Authors

Details

Original languageEnglish
JournalJournal of Geophysical Research
Volume100
Issue numberD6
Publication statusPublished - 1 Jan 1995