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Size Matters More Than Chemistry for Cloud-Nucleating Ability of Aerosol Particles

Dusek, Ulrike ; Frank, Göran LU ; Hildebrandt, Lea ; Curtius, Joachim ; Schneider, Johannes ; Walter, Saskia ; Chand, Duli ; Drewnick, Frank ; Hings, Silke and Jung, D , et al. (2006) In Science 312(5778). p.1375-1378
Abstract
Size-resolved cloud condensation nuclei (CCN) spectra measured for various aerosol types at a

non-urban site in Germany showed that CCN concentrations are mainly determined by the aerosol

number size distribution. Distinct variations of CCN activation with particle chemical composition

were observed but played a secondary role. When the temporal variation of chemical effects on

CCN activation is neglected, variation in the size distribution alone explains 84 to 96% of the

variation in CCN concentrations. Understanding that particles’ ability to act as CCN is largely

controlled by aerosol size rather than composition greatly facilitates the treatment of aerosol

effects on cloud... (More)
Size-resolved cloud condensation nuclei (CCN) spectra measured for various aerosol types at a

non-urban site in Germany showed that CCN concentrations are mainly determined by the aerosol

number size distribution. Distinct variations of CCN activation with particle chemical composition

were observed but played a secondary role. When the temporal variation of chemical effects on

CCN activation is neglected, variation in the size distribution alone explains 84 to 96% of the

variation in CCN concentrations. Understanding that particles’ ability to act as CCN is largely

controlled by aerosol size rather than composition greatly facilitates the treatment of aerosol

effects on cloud physics in regional and global models. (Less)
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Contribution to journal
publication status
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in
Science
volume
312
issue
5778
pages
1375 - 1378
publisher
American Association for the Advancement of Science
external identifiers
  • scopus:33744787095
ISSN
1095-9203
DOI
10.1126/science.1125261
language
English
LU publication?
no
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The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Nuclear Physics (Faculty of Technology) (011013007)
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a5ea690c-22e5-44f2-84bf-f354de18cfd8 (old id 766570)
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2016-04-01 17:00:33
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2019-12-10 05:43:30
@article{a5ea690c-22e5-44f2-84bf-f354de18cfd8,
  abstract     = {Size-resolved cloud condensation nuclei (CCN) spectra measured for various aerosol types at a<br/><br>
non-urban site in Germany showed that CCN concentrations are mainly determined by the aerosol<br/><br>
number size distribution. Distinct variations of CCN activation with particle chemical composition<br/><br>
were observed but played a secondary role. When the temporal variation of chemical effects on<br/><br>
CCN activation is neglected, variation in the size distribution alone explains 84 to 96% of the<br/><br>
variation in CCN concentrations. Understanding that particles’ ability to act as CCN is largely<br/><br>
controlled by aerosol size rather than composition greatly facilitates the treatment of aerosol<br/><br>
effects on cloud physics in regional and global models.},
  author       = {Dusek, Ulrike and Frank, Göran and Hildebrandt, Lea and Curtius, Joachim and Schneider, Johannes and Walter, Saskia and Chand, Duli and Drewnick, Frank and Hings, Silke and Jung, D and Borrmann, Stephan and Andreae, Meinrat O.},
  issn         = {1095-9203},
  language     = {eng},
  number       = {5778},
  pages        = {1375--1378},
  publisher    = {American Association for the Advancement of Science},
  series       = {Science},
  title        = {Size Matters More Than Chemistry for Cloud-Nucleating Ability of Aerosol Particles},
  url          = {http://dx.doi.org/10.1126/science.1125261},
  doi          = {10.1126/science.1125261},
  volume       = {312},
  year         = {2006},
}