PDF file - Department of Physics
PDF file - Department of Physics
PDF file - Department of Physics
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ice saturation ratio S<br />
What does this mean for the observations?<br />
2.25<br />
2.00<br />
1.75<br />
(a) Theory (b) Aerosol Chamber (c) Clear Sky (d) In-Cloud/Contrail<br />
Experiment Observations Observations<br />
spontaneous ice nucleation<br />
and vigorous growth<br />
1.50<br />
1.25<br />
clear sky or rapid growth <strong>of</strong><br />
preexisting ice<br />
organic<br />
carbon<br />
on soot<br />
contrails<br />
cirrus<br />
1.00<br />
expected cloud occurrence<br />
0.75 clear sky or ice evaporation<br />
(NH 4 ) 2 SO 4<br />
190 210 230<br />
temperature [K]<br />
190 210 230<br />
temperature [K]<br />
190 210 230<br />
temperature [K]<br />
190 210 230<br />
temperature [K]<br />
nuc 1 min<br />
nuc
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