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The production of sub‐micron ice fragments by water droplets freezing in free fall or on accretion upon an ice surface
Author(s) -
Bader M.,
Gloster J.,
Brownscombe J. L.,
Goldsmith P.
Publication year - 1974
Publication title -
quarterly journal of the royal meteorological society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.744
H-Index - 143
eISSN - 1477-870X
pISSN - 0035-9009
DOI - 10.1002/qj.49710042513
Subject(s) - clear ice , ice crystals , ice nucleus , ice formation , pancake ice , accretion (finance) , atmospheric sciences , water ice , sea ice growth processes , amorphous ice , environmental science , arctic ice pack , materials science , antarctic sea ice , sea ice , meteorology , geology , astrobiology , chemistry , physics , astrophysics , crystallography , thermodynamics , nucleation , amorphous solid
Abstract In an attempt to explain the excess concentration of ice crystals over ice nuclei in some maritime cumulus clouds, laboratory experiments were carried out to determine whether sub‐micron ice particles are produced when water droplets freeze in free fall or on riming. The results show that not enough ice fragments are produced when the droplets freeze in free fall but that the numbers of sub‐micron particles ejected during riming may go some way towards explaining the large concentrations of ice crystals in maritime cumulus clouds.