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contributor authorDeMott, Paul J.
contributor authorRogers, David C.
date accessioned2017-06-09T14:29:41Z
date available2017-06-09T14:29:41Z
date copyright1990/05/01
date issued1989
identifier issn0022-4928
identifier otherams-20310.pdf
identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4156525
description abstractA 1.2 m3 continuous slow-expansion cloud chamber was used to simulate natural, liquid cloud formation on soluble cloud condensation nuclei (CCN). Droplet freezing was observed during continued simulated adiabatic ascent and cooling to ?40°C. Sharply increasing ice nucleation rates were observed between ?34° and ?39°C, independent of the chemical composition of three CCN used. From the experimental data, nucleation rates are estimated assuming a homogeneous-freezing mechanism. It is concluded that homogeneous-freezing was observed. The results are compared to other laboratory and field studies. These results compare most closely with values calculated from data taken in real clouds and should be relevant to ice formation in cirrus clouds.
publisherAmerican Meteorological Society
titleFreezing Nucleation Rates of Dilute Solution Droplets Measured between −30° and −40°C in Laboratory Simulations of Natural Clouds
typeJournal Paper
journal volume47
journal issue9
journal titleJournal of the Atmospheric Sciences
identifier doi10.1175/1520-0469(1990)047<1056:FNRODS>2.0.CO;2
journal fristpage1056
journal lastpage1064
treeJournal of the Atmospheric Sciences:;1989:;Volume( 047 ):;issue: 009
contenttypeFulltext


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