Articles | Volume 18, issue 20
https://doi.org/10.5194/acp-18-14979-2018
© 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-18-14979-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
18 Oct 2018
Research article |
| 18 Oct 2018
| 18 Oct 2018
Aircraft-based observations of isoprene-epoxydiol-derived secondary organic aerosol (IEPOX-SOA) in the tropical upper troposphere over the Amazon region
Christiane Schulz
Particle Chemistry, Biogeochemistry and Multiphase Chemistry Departments, Max Planck Institute for Chemistry, Mainz, Germany
Johannes Schneider
CORRESPONDING AUTHOR
Particle Chemistry, Biogeochemistry and Multiphase Chemistry Departments, Max Planck Institute for Chemistry, Mainz, Germany
Bruna Amorim Holanda
Particle Chemistry, Biogeochemistry and Multiphase Chemistry Departments, Max Planck Institute for Chemistry, Mainz, Germany
Oliver Appel
Particle Chemistry, Biogeochemistry and Multiphase Chemistry Departments, Max Planck Institute for Chemistry, Mainz, Germany
Anja Costa
Institut für Energie- und Klimaforschung (IEK7), Forschungszentrum Jülich GmbH, Jülich, Germany
Suzane S. de Sá
School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts, USA
Volker Dreiling
Flight Experiments, German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt), Oberpfaffenhofen, Germany
Daniel Fütterer
Institute for Atmospheric Physics, German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt), Oberpfaffenhofen, Germany
Tina Jurkat-Witschas
Institute for Atmospheric Physics, German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt), Oberpfaffenhofen, Germany
Thomas Klimach
Particle Chemistry, Biogeochemistry and Multiphase Chemistry Departments, Max Planck Institute for Chemistry, Mainz, Germany
Christoph Knote
Meteorological Institute, Ludwig Maximilian University, Munich, Germany
Martina Krämer
Institut für Energie- und Klimaforschung (IEK7), Forschungszentrum Jülich GmbH, Jülich, Germany
Scot T. Martin
School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts, USA
Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts, USA
Stephan Mertes
Leibniz Institute for Tropospheric Research, Leipzig, Germany
Mira L. Pöhlker
Particle Chemistry, Biogeochemistry and Multiphase Chemistry Departments, Max Planck Institute for Chemistry, Mainz, Germany
Daniel Sauer
Institute for Atmospheric Physics, German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt), Oberpfaffenhofen, Germany
Christiane Voigt
Institute for Atmospheric Physics, German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt), Oberpfaffenhofen, Germany
Institute for Physics of the Atmosphere, Johannes Gutenberg University, Mainz, Germany
Adrian Walser
Institute for Atmospheric Physics, German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt), Oberpfaffenhofen, Germany
Meteorological Institute, Ludwig Maximilian University, Munich, Germany
Faculty of Physics, University of Vienna, Vienna, Austria
Bernadett Weinzierl
Institute for Atmospheric Physics, German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt), Oberpfaffenhofen, Germany
Faculty of Physics, University of Vienna, Vienna, Austria
Helmut Ziereis
Institute for Atmospheric Physics, German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt), Oberpfaffenhofen, Germany
Martin Zöger
Flight Experiments, German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt), Oberpfaffenhofen, Germany
Meinrat O. Andreae
Particle Chemistry, Biogeochemistry and Multiphase Chemistry Departments, Max Planck Institute for Chemistry, Mainz, Germany
Scripps Institution of Oceanography, University of California San Diego, La Jolla, California, USA
Paulo Artaxo
Instituto de Física, Universidade de São Paulo, São Paulo, Brazil
Luiz A. T. Machado
Instituto Nacional de Pesquisas Espaciais (INPE), Centro de Previsão de Tempo e Estudos Climáticos, São José dos Campos, Brazil
Ulrich Pöschl
Particle Chemistry, Biogeochemistry and Multiphase Chemistry Departments, Max Planck Institute for Chemistry, Mainz, Germany
Manfred Wendisch
Leipzig Institute for Meteorology, University of Leipzig, Leipzig, Germany
Stephan Borrmann
Particle Chemistry, Biogeochemistry and Multiphase Chemistry Departments, Max Planck Institute for Chemistry, Mainz, Germany
Institute for Physics of the Atmosphere, Johannes Gutenberg University, Mainz, Germany
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Latest update: 16 Nov 2025
Short summary
Aerosol chemical composition measurements in the tropical upper troposphere over the Amazon region show that 78 % of the aerosol in the upper troposphere consists of organic matter. Up to 20 % of the organic aerosol can be attributed to isoprene epoxydiol secondary organic aerosol (IEPOX-SOA). Furthermore, organic nitrates were identified, suggesting a connection to the IEPOX-SOA formation.
Aerosol chemical composition measurements in the tropical upper troposphere over the Amazon...
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