Articles | Volume 17, issue 3
https://doi.org/10.5194/acp-17-2163-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/acp-17-2163-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Measurements of sub-3 nm particles using a particle size magnifier in different environments: from clean mountain top to polluted megacities
Jenni Kontkanen
CORRESPONDING AUTHOR
Department of Physics, University of Helsinki, 00014 Helsinki, Finland
Katrianne Lehtipalo
Department of Physics, University of Helsinki, 00014 Helsinki, Finland
Paul Scherrer Institute, 5232 Villigen PSI, Switzerland
Lauri Ahonen
Department of Physics, University of Helsinki, 00014 Helsinki, Finland
Juha Kangasluoma
Department of Physics, University of Helsinki, 00014 Helsinki, Finland
Hanna E. Manninen
Department of Physics, University of Helsinki, 00014 Helsinki, Finland
Jani Hakala
Department of Physics, University of Helsinki, 00014 Helsinki, Finland
Clémence Rose
Laboratoire de Météorologie Physique, UMR6016, CNRS/UBP, 63178
Aubière, France
Karine Sellegri
Laboratoire de Météorologie Physique, UMR6016, CNRS/UBP, 63178
Aubière, France
Shan Xiao
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP3), Department of Environmental Science & Engineering,
Fudan University, 200433 Shanghai, China
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP3), Department of Environmental Science & Engineering,
Fudan University, 200433 Shanghai, China
Ximeng Qi
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University, 210023
Nanjing, China
Wei Nie
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University, 210023
Nanjing, China
Aijun Ding
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University, 210023
Nanjing, China
School of Environmental Science and Engineering, Nanjing University of
Information Science and Technology, Nanjing, China
Shanhu Lee
Department of Atmospheric Science, University of Alabama in
Huntsville, Huntsville, Alabama
Veli-Matti Kerminen
Department of Physics, University of Helsinki, 00014 Helsinki, Finland
Tuukka Petäjä
Department of Physics, University of Helsinki, 00014 Helsinki, Finland
Markku Kulmala
Department of Physics, University of Helsinki, 00014 Helsinki, Finland
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Short summary
The concentrations of ~1–3 nm particles were investigated at nine sites around the world. Sub-3 nm particle concentrations were highest at the sites with strong anthropogenic influence. Electrically neutral particles dominated sub-3 nm particle concentrations in polluted environments and in boreal forest during spring and summer. Sub-3 nm particle concentrations were observed to be determined by the availability of precursor vapors rather than the sink caused by preexisting aerosol particles.
The concentrations of ~1–3 nm particles were investigated at nine sites around the world....
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