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Parameterization of ion-induced nucleation rates based on ambient observations

Nieminen, T.; Paasonen, P.; Manninen, H. E.; Sellegri, K.; Kerminen, V. -M. and Kulmala, Risto LU (2011) In Atmospheric Chemistry and Physics 11(7). p.3393-3402
Abstract
Atmospheric ions participate in the formation of new atmospheric aerosol particles, yet their exact role in this process has remained unclear. Here we derive a new simple parameterization for ion-induced nucleation or, more precisely, for the formation rate of charged 2-nm particles. The parameterization is semi-empirical in the sense that it is based on comprehensive results of one-year-long atmospheric cluster and particle measurements in the size range similar to 1-42 nm within the EUCAARI (European Integrated project on Aerosol Cloud Climate and Air Quality interactions) project. Data from 12 field sites across Europe measured with different types of air ion and cluster mobility spectrometers were used in our analysis, with more... (More)
Atmospheric ions participate in the formation of new atmospheric aerosol particles, yet their exact role in this process has remained unclear. Here we derive a new simple parameterization for ion-induced nucleation or, more precisely, for the formation rate of charged 2-nm particles. The parameterization is semi-empirical in the sense that it is based on comprehensive results of one-year-long atmospheric cluster and particle measurements in the size range similar to 1-42 nm within the EUCAARI (European Integrated project on Aerosol Cloud Climate and Air Quality interactions) project. Data from 12 field sites across Europe measured with different types of air ion and cluster mobility spectrometers were used in our analysis, with more in-depth analysis made using data from four stations with concomitant sulphuric acid measurements. The parameterization is given in two slightly different forms: a more accurate one that requires information on sulfuric acid and nucleating organic vapor concentrations, and a simpler one in which this information is replaced with the global radiation intensity. These new parameterizations are applicable to all large-scale atmospheric models containing size-resolved aerosol microphysics, and a scheme to calculate concentrations of sulphuric acid, condensing organic vapours and cluster ions. (Less)
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author
organization
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type
Contribution to journal
publication status
published
subject
in
Atmospheric Chemistry and Physics
volume
11
issue
7
pages
3393 - 3402
publisher
Copernicus Gesellschaft Mbh
external identifiers
  • wos:000289548200024
  • scopus:79953837814
ISSN
1680-7324
DOI
10.5194/acp-11-3393-2011
language
English
LU publication?
yes
id
fe242ac5-7c60-40e1-9165-72d10d2d25a7 (old id 1985072)
date added to LUP
2011-07-08 10:43:47
date last changed
2017-01-01 03:04:23
@article{fe242ac5-7c60-40e1-9165-72d10d2d25a7,
  abstract     = {Atmospheric ions participate in the formation of new atmospheric aerosol particles, yet their exact role in this process has remained unclear. Here we derive a new simple parameterization for ion-induced nucleation or, more precisely, for the formation rate of charged 2-nm particles. The parameterization is semi-empirical in the sense that it is based on comprehensive results of one-year-long atmospheric cluster and particle measurements in the size range similar to 1-42 nm within the EUCAARI (European Integrated project on Aerosol Cloud Climate and Air Quality interactions) project. Data from 12 field sites across Europe measured with different types of air ion and cluster mobility spectrometers were used in our analysis, with more in-depth analysis made using data from four stations with concomitant sulphuric acid measurements. The parameterization is given in two slightly different forms: a more accurate one that requires information on sulfuric acid and nucleating organic vapor concentrations, and a simpler one in which this information is replaced with the global radiation intensity. These new parameterizations are applicable to all large-scale atmospheric models containing size-resolved aerosol microphysics, and a scheme to calculate concentrations of sulphuric acid, condensing organic vapours and cluster ions.},
  author       = {Nieminen, T. and Paasonen, P. and Manninen, H. E. and Sellegri, K. and Kerminen, V. -M. and Kulmala, Risto},
  issn         = {1680-7324},
  language     = {eng},
  number       = {7},
  pages        = {3393--3402},
  publisher    = {Copernicus Gesellschaft Mbh},
  series       = {Atmospheric Chemistry and Physics},
  title        = {Parameterization of ion-induced nucleation rates based on ambient observations},
  url          = {http://dx.doi.org/10.5194/acp-11-3393-2011},
  volume       = {11},
  year         = {2011},
}