M. D. Petters coauthored a single-parameter description of aerosol hygroscopic growth and cloud-condensation activity with S. M. Kreidenweis. The hygroscopicity parameter summarizes how dissolved material changes a droplet's water activity.
Combining that parameter with dry particle diameter estimates the critical supersaturation for activation. The construction connects chemical composition with droplet formation through a measurable, compact model.[ref]
A single parameter representation of hygroscopic growth and cloud condensation nucleus activity by M. D. Petters and S. M. Kreidenweis. Research topic and author attribution in the primary publication
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