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Descripción

The growth of freshly formed aerosol particles can be the bottleneck in their survival to cloud condensation nuclei. It is therefore crucial to understand how particles grow in the atmosphere. Insufficient experimental data has impeded a profound understanding of nano-particle growth under atmospheric conditions. Here we study nano-particle growth in the CLOUD (Cosmics Leaving OUtdoors Droplets) chamber, starting from the formation of molecular clusters. We present measured growth rates at sub-3 nm sizes with different atmospherically relevant concentrations of sulphuric acid, water, ammonia and dimethylamine. We find that atmospheric ions and small acid-base clusters, which are not generally accounted for in the measurement of sulphuric acid vapour, can participate in the growth process, leading to enhanced growth rates. The availability of compounds capable of stabilizing sulphuric acid clusters governs the magnitude of these effects and thus the exact growth mechanism. We bring these observations into a coherent framework and discuss their significance in the atmosphere.

Pertenece a

University of Vienna Phaidra  

Autor(es)

Lehtipalo, Katrianne -  Department of Physics, University of Helsinki -  Rondo, Linda -  Institute for Atmospheric and Environmental Sciences, Goethe -  University of Frankfurt -  Riccobono, Francesco -  Laboratory of Atmospheric Chemistry, Paul Scherrer Institute -  Sipilä, Mikko -  Yli -  Juuti, Taina -  Duplissy, Jonathan -  Adamov, Alexey -  Ahlm, Lars -  Department of Environmental Science and Analytical Chemistry (ACES) & Bolin Centre for Climate Research, Stockholm University -  Almeida, João -  CERN -  Amorim, Antonio -  SIM, University of Lisbon and University of Beira Interior -  Bianchi, Federico -  Breitenlechner, Martin -  Institute for Ion Physics and Applied Physics -  Kontkanen, Jenni -  Dommen, Josef -  Downard, Andrew J. -  Division of Chemistry and Chemical Engineering, California Institute of Technology -  Dunne, Eimear M. -  School of Earth and Environment, University of Leeds -  Flagan, Richard C. -  Guida, Roberto -  Hakala, Jani -  Hansel, Armin -  Jud, Werner -  Kangasluoma, Juha -  Kerminen, Veli -  Matti -  Schobesberger, Siegfried -  Keskinen, Helmi -  Kim, Jaeseok -  Department of Applied Physics, University of Eastern Finland -  Kirkby, Jasper -  Kupc, Agnieszka -  Fakultat fur Physik, University of Vienna -  Kupiainen -  Määttä, Oona -  Laaksonen, Ari -  Lawler, Michael J. -  Leiminger, Markus -  Mathot, Serge -  Olenius, Tinja -  Jokinen, Tuija -  Ortega, Ismael K. -  Onnela, Antti -  Petäjä, Tuukka -  Praplan, Arnaud -  Rissanen, Matti P. -  Ruuskanen, Taina -  Santos, Filipe D. -  Schallhart, Simon -  Schnitzhofer, Ralf -  Simon, Mario -  Sarnela, Nina -  Smith, James N. -  Tröstl, Jasmin -  Tsagkogeorgas, Georgios -  Leibniz Institute for Tropospheric Research -  Tomé, António -  Vaattovaara, Petri -  Vehkamäki, Hanna -  Vrtala, Aron E. -  Wagner, Paul E. -  Williamson, Christina -  Wimmer, Daniela -  Kürten, Andreas -  Winkler, Paul M. -  Virtanen, Annele -  Donahue, Neil M. -  Center for Atmospheric Particle Studies, Carnegie Mellon University -  Carslaw, Kenneth S. -  Baltensperger, Urs -  Riipinen, Ilona -  Curtius, Joachim -  Worsnop, Douglas R. -  Kulmala, Markku -  Ehrhart, Sebastian -  Franchin, Alessandro -  Nieminen, Tuomo - 

Id.: 69898685

Idioma: eng  - 

Versión: 1.0

Estado: Final

Tipo:  application/pdf -  501824 bytes - 

Tipo de recurso: article  -  publishedVersion  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

: CC BY 4.0 International

Formatos:  application/pdf -  501824 bytes - 

Requerimientos técnicos:  Browser: Any - 

Relación: [IsBasedOn] ISSN:2041-1723
[IsBasedOn] Nature Communications 7 (2016)
[References] info:eu-repo/grantAgreement/EC/FP7/215072
[References] info:eu-repo/grantAgreement/EC/FP7/316662
[References] info:eu-repo/grantAgreement/EC/FP7/278277
[References] info:eu-repo/grantAgreement/EC/FP7/257360
[References] info:eu-repo/grantAgreement/EC/FP7/616075
[References] info:eu-repo/grantAgreement/EC/FP7/227463
[References] info:eu-repo/grantAgreement/EC/FP7/FP7-ENV-2010-265148
[References] info:eu-repo/grantAgreement/EC/FP7/656994

Fecha de contribución: 29-ago-2017

Contacto:

Localización:
* o:539107
* doi:10.1038/ncomms11594
* ISSN: 2041-1723
* hdl:11353/10.539107

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