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@ARTICLE{Dinar:52919,
author = {Dinar, E. and Taraniuk, I. and Graber, E. R. and Katsman,
S. and Moise, T. and Anttila, T. and Mentel, T. F. and
Rudich, Y.},
title = {{C}loud {C}ondensation {N}uclei {P}roperties of {M}odel and
{A}tmospheric {HULIS}},
journal = {Atmospheric chemistry and physics},
volume = {6},
issn = {1680-7316},
address = {Katlenburg-Lindau},
publisher = {EGU},
reportid = {PreJuSER-52919},
pages = {2465 - 2481},
year = {2006},
note = {Record converted from VDB: 12.11.2012},
abstract = {Humic like substances (HULIS) have been identified as a
major fraction of the organic component of atmospheric
aerosols. These large multifunctional compounds of both
primary and secondary sources are surface active and water
soluble. Hence, it is expected that they could affect
activation of organic aerosols into cloud droplets. We have
compared the activation of aerosols containing atmospheric
HULIS extracted from fresh, aged and pollution particles to
activation of size fractionated fulvic acid from an aquatic
source (Suwannee River Fulvic Acid), and correlated it to
the estimated molecular weight and measured surface tension.
A correlation was found between CCN-activation diameter of
SRFA fractions and number average molecular weight of the
fraction. The lower molecular weight fractions activated at
lower critical diameters, which is explained by the greater
number of solute species in the droplet with decreasing
molecular weight. The three aerosol-extracted HULIS samples
activated at lower diameters than any of the
size-fractionated or bulk SRFA. The Kohler model was found
to account for activation diameters, provided that accurate
physico-chemical parameters are known.},
keywords = {J (WoSType)},
cin = {ICG-II},
ddc = {550},
cid = {I:(DE-Juel1)VDB48},
pnm = {Atmosphäre und Klima},
pid = {G:(DE-Juel1)FUEK406},
shelfmark = {Meteorology $\&$ Atmospheric Sciences},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000238675600009},
url = {https://juser.fz-juelich.de/record/52919},
}