Articles | Volume 18, issue 17
https://doi.org/10.5194/acp-18-13245-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-13245-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Sep 2018
Research article |
| 14 Sep 2018
| 14 Sep 2018
Ground-based observation of clusters and nucleation-mode particles in the Amazon
Daniela Wimmer
CORRESPONDING AUTHOR
Department of Physics, University of Helsinki, Gustaf Hallströmin katu 2a, 00560, Helsinki, Finland
Stephany Buenrostro Mazon
Department of Physics, University of Helsinki, Gustaf Hallströmin katu 2a, 00560, Helsinki, Finland
Hanna Elina Manninen
Department of Physics, University of Helsinki, Gustaf Hallströmin katu 2a, 00560, Helsinki, Finland
European Organization for Nuclear Research (CERN), 1211 Geneva, Switzerland
Juha Kangasluoma
Department of Physics, University of Helsinki, Gustaf Hallströmin katu 2a, 00560, Helsinki, Finland
Alessandro Franchin
Department of Physics, University of Helsinki, Gustaf Hallströmin katu 2a, 00560, Helsinki, Finland
NOAA Earth System Research Laboratory (ESRL), Chemical Sciences Division, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO, USA
Tuomo Nieminen
Department of Physics, University of Helsinki, Gustaf Hallströmin katu 2a, 00560, Helsinki, Finland
Department of Applied Physics, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland
John Backman
Finnish Meteorological Institute, Atmospheric composition research, Erik Palménin aukio 1, 00560, Helsinki, Finland
Jian Wang
Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, NY, USA
Chongai Kuang
Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, NY, USA
Radovan Krejci
Stockholm University, Department of Environmental Science and Analytical Chemistry (ACES), 106 91 Stockholm, Sweden
Joel Brito
Institute of Physics, University of São Paulo, de Fisica, Universidade de Sao Paulo, Rua do Matao 1371, CEP 05508-090, Sao Paulo, Brazil
Laboratory for Meteorological Physics (LaMP), Université Clermont Auvergne, 63000 Clermont-Ferrand, France
Fernando Goncalves Morais
Institute of Physics, University of São Paulo, de Fisica, Universidade de Sao Paulo, Rua do Matao 1371, CEP 05508-090, Sao Paulo, Brazil
Scot Turnbull Martin
School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Paulo Artaxo
Institute of Physics, University of São Paulo, de Fisica, Universidade de Sao Paulo, Rua do Matao 1371, CEP 05508-090, Sao Paulo, Brazil
Markku Kulmala
Department of Physics, University of Helsinki, Gustaf Hallströmin katu 2a, 00560, Helsinki, Finland
Veli-Matti Kerminen
Department of Physics, University of Helsinki, Gustaf Hallströmin katu 2a, 00560, Helsinki, Finland
Tuukka Petäjä
Department of Physics, University of Helsinki, Gustaf Hallströmin katu 2a, 00560, Helsinki, Finland
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Discussed (preprint)
Latest update: 31 Oct 2025
Short summary
This work focuses on understanding the production of very small airborne particles in the undisturbed environment of the Amazon basin. Computer models have shown that up to 70 % of these tiny particles are responsible for cloud formation on a global scale. The processes behind the production of these very small particles have been studied intensely recently. Their appearance has been observed almost all over the world. We directly measure sub-3 nm aerosols for the first time in the Amazon basin.
This work focuses on understanding the production of very small airborne particles in the...
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