A new theory of heterogeneous ice nucleation for application in cloud and climate models

Details A new theory of heterogeneous ice nucleation for application in cloud and climate models A new theory of heterogeneous ice nucleation for application in cloud and climate models

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000georl..27.4081k&link_type=abstract

Geophysical Research Letters, Volume 27, Issue 24, p. 4081-4084

Physics

31

Atmospheric Composition And Structure: Aerosols And Particles, Atmospheric Composition And Structure: Cloud Physics And Chemistry

Scientific paper

A new formulation is presented of the thermodynamical theory of heterogeneous ice crystal nucleation in clouds by freezing. This theory unifies and explains the empirical ice nuclei dependence on temperature and supersaturation, predicts crystal formation via condensation-freezing at a subsaturation over water. The theory also explains observations of high nucleation rates and crystal concentrations at warm (-5>-12°C) temperatures when the splintering mechanism may be not effective. This theory can be applied to parameterizations for use in cloud and climate models.

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