Kinetic potential and barrier crossing: a model for warm cloud drizzle formation.
نویسندگان
چکیده
The kinetic potential of nucleation theory is used to describe droplet growth processes in a cloud. Drizzle formation is identified as a statistical barrier-crossing phenomenon that transforms cloud droplets to drizzle size with a rate dependent on turbulent diffusion, droplet collection, and size distribution. Steady-state and transient drizzle rates are calculated for typical cloud conditions. We find drizzle more likely under transient conditions. The model quantifies an important indirect effect of aerosols on climate-drizzle suppression in clouds of higher droplet concentration.
منابع مشابه
Analytic formulation and parametrization of the kinetic potential theory for drizzle formation.
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عنوان ژورنال:
- Physical review letters
دوره 90 1 شماره
صفحات -
تاریخ انتشار 2003