Article Type:
Research Article

Aggregates as Embryos in Seeded Clouds

Andrew J. Heymsfield National Center for Atmospheric Research, Boulder, Colorado

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Online Publication:
01 Dec 1986
Print Publication:
01 Dec 1986
DOI:
https://doi.org/10.1175/0065-9401-21.43.33
Page(s):
33–42
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Abstract

The growth of ice particles through aggregation is investigated for seeded clouds using currently available field data and a numerical particle-growth model. Observations indicate that the aggregation process is fairly common, even when moderate liquid water contents, ~0.5 g m–3, are available for particle growth through accretion. The modeling study suggests that certain temperature ranges are especially conducive to aggregate formation.

Abstract

The growth of ice particles through aggregation is investigated for seeded clouds using currently available field data and a numerical particle-growth model. Observations indicate that the aggregation process is fairly common, even when moderate liquid water contents, ~0.5 g m–3, are available for particle growth through accretion. The modeling study suggests that certain temperature ranges are especially conducive to aggregate formation.

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