Articles | Volume 18, issue 14
https://doi.org/10.5194/acp-18-10433-2018
© 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-18-10433-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
23 Jul 2018
Research article |
| 23 Jul 2018
| 23 Jul 2018
Observations of sesquiterpenes and their oxidation products in central Amazonia during the wet and dry seasons
Department of Environmental Science, Policy, and Management,
University of California, Berkeley, Berkeley, California 94720, USA
Gabriel Isaacman-VanWertz
Department of Environmental Science, Policy, and Management,
University of California, Berkeley, Berkeley, California 94720, USA
now at: Department of Civil and Environmental Engineering, Virginia Tech,
Blacksburg, Virginia 24061, USA
Rebecca A. Wernis
Department of Civil and Environmental Engineering, University of
California, Berkeley, Berkeley, California 94720, USA
Meng Meng
Department of Chemical Engineering, University of California, Berkeley,
Berkeley, California 94720, USA
now at: Department of Chemical Engineering and Applied
Chemistry, University of Toronto, Toronto, CA, USA
Ventura Rivera
Department of Chemical Engineering, University of California, Berkeley,
Berkeley, California 94720, USA
Nathan M. Kreisberg
Aerosol Dynamics Inc., Berkeley, California 94710, USA
Susanne V. Hering
Aerosol Dynamics Inc., Berkeley, California 94710, USA
Mads S. Bering
Department of Chemistry, Aarhus University, 8000 Aarhus C, Denmark
Marianne Glasius
Department of Chemistry, Aarhus University, 8000 Aarhus C, Denmark
Mary Alice Upshur
Department of Chemistry, Northwestern University, Evanston, Illinois 60208, USA
Ariana Gray Bé
Department of Chemistry, Northwestern University, Evanston, Illinois 60208, USA
Regan J. Thomson
Department of Chemistry, Northwestern University, Evanston, Illinois 60208, USA
Franz M. Geiger
Department of Chemistry, Northwestern University, Evanston, Illinois 60208, USA
John H. Offenberg
National Exposure Research Laboratory, Exposure Methods and
Measurements Division, United States Environmental Protection Agency,
Research Triangle Park, North Carolina 27711, USA
Michael Lewandowski
National Exposure Research Laboratory, Exposure Methods and
Measurements Division, United States Environmental Protection Agency,
Research Triangle Park, North Carolina 27711, USA
Ivan Kourtchev
Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW,
UK
Markus Kalberer
Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW,
UK
Suzane de Sá
School of Engineering and Applied Sciences, Harvard University,
Cambridge, Massachusetts 02138, USA
Scot T. Martin
School of Engineering and Applied Sciences, Harvard University,
Cambridge, Massachusetts 02138, USA
Department of Earth and Planetary Sciences, Harvard University,
Cambridge, Massachusetts 02138, USA
M. Lizabeth Alexander
Environmental Molecular Sciences Laboratory, Pacific Northwest
National Laboratory, Richland, Washington 99352, USA
Brett B. Palm
Dept. of Chemistry and Cooperative Institute for Research in
Environmental Sciences (CIRES), University of Colorado, Boulder, Colorado 80309, USA
Weiwei Hu
Dept. of Chemistry and Cooperative Institute for Research in
Environmental Sciences (CIRES), University of Colorado, Boulder, Colorado 80309, USA
Pedro Campuzano-Jost
Dept. of Chemistry and Cooperative Institute for Research in
Environmental Sciences (CIRES), University of Colorado, Boulder, Colorado 80309, USA
Douglas A. Day
Dept. of Chemistry and Cooperative Institute for Research in
Environmental Sciences (CIRES), University of Colorado, Boulder, Colorado 80309, USA
Jose L. Jimenez
Dept. of Chemistry and Cooperative Institute for Research in
Environmental Sciences (CIRES), University of Colorado, Boulder, Colorado 80309, USA
Yingjun Liu
School of Engineering and Applied Sciences, Harvard University,
Cambridge, Massachusetts 02138, USA
now at: Department of Environmental Science, Policy, and Management,
University of California, Berkeley, Berkeley, California 94720, USA
Karena A. McKinney
School of Engineering and Applied Sciences, Harvard University,
Cambridge, Massachusetts 02138, USA
now at: Department of Chemistry, Colby College, Waterville, Maine 04901,
USA
Paulo Artaxo
Department of Applied Physics, University of São Paulo, SP,
Brazil
Juarez Viegas
Instituto Nacional de Pesquisas da Amazonia, Manaus, AM, Brazil
Antonio Manzi
Instituto Nacional de Pesquisas da Amazonia, Manaus, AM, Brazil
Maria B. Oliveira
Universidade do Estado do Amazonas, Manaus, AM, Brazil
Rodrigo de Souza
Universidade do Estado do Amazonas, Manaus, AM, Brazil
Luiz A. T. Machado
Instituto Nacional de Pesquisas Espiacais, São José dos
Campos, SP, Brazil
Karla Longo
Instituto Nacional de Pesquisas Espiacais, Cachoeira Paulista, SP,
Brazil
Allen H. Goldstein
Department of Environmental Science, Policy, and Management,
University of California, Berkeley, Berkeley, California 94720, USA
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Discussed (preprint)
Latest update: 03 Jul 2025
Short summary
Biogenic volatile organic compounds react in the atmosphere to form secondary organic aerosol, yet the chemical pathways remain unclear. We collected filter samples and deployed a semi-volatile thermal desorption aerosol gas chromatograph in the central Amazon. We measured 30 sesquiterpenes and 4 diterpenes and find them to be important for reactive ozone loss. We estimate that sesquiterpene oxidation contributes at least 0.4–5 % (median 1 %) of observed submicron organic aerosol mass.
Biogenic volatile organic compounds react in the atmosphere to form secondary organic aerosol,...
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