Urban pollution greatly enhances formation of natural aerosols over the Amazon rainforest
Manish Shrivastava (),
Meinrat O. Andreae,
Paulo Artaxo,
Henrique M. J. Barbosa,
Larry K. Berg,
Joel Brito,
Joseph Ching,
Richard C. Easter,
Jiwen Fan,
Jerome D. Fast,
Zhe Feng,
Jose D. Fuentes,
Marianne Glasius,
Allen H. Goldstein,
Eliane Gomes Alves,
Helber Gomes,
Dasa Gu,
Alex Guenther,
Shantanu H. Jathar,
Saewung Kim,
Ying Liu,
Sijia Lou,
Scot T. Martin,
V. Faye McNeill,
Adan Medeiros,
Suzane S. Sá,
John E. Shilling,
Stephen R. Springston,
R. A. F. Souza,
Joel A. Thornton,
Gabriel Isaacman-VanWertz,
Lindsay D. Yee,
Rita Ynoue,
Rahul A. Zaveri,
Alla Zelenyuk and
Chun Zhao
Additional contact information
Manish Shrivastava: Pacific Northwest National Laboratory
Meinrat O. Andreae: King Saud University
Paulo Artaxo: University of São Paulo
Henrique M. J. Barbosa: University of São Paulo
Larry K. Berg: Pacific Northwest National Laboratory
Joel Brito: University of Lille, SAGE
Joseph Ching: Japan Meteorological Agency
Richard C. Easter: Pacific Northwest National Laboratory
Jiwen Fan: Pacific Northwest National Laboratory
Jerome D. Fast: Pacific Northwest National Laboratory
Zhe Feng: Pacific Northwest National Laboratory
Jose D. Fuentes: Penn State University
Marianne Glasius: Aarhus University
Allen H. Goldstein: University of California
Eliane Gomes Alves: Instituto Nacional de Pesquisas da Amazônia (INPA)
Helber Gomes: Federal University of Alagoas
Dasa Gu: University of California
Alex Guenther: Pacific Northwest National Laboratory
Shantanu H. Jathar: Colorado State University
Saewung Kim: University of California
Ying Liu: Pacific Northwest National Laboratory
Sijia Lou: Pacific Northwest National Laboratory
Scot T. Martin: Harvard University
V. Faye McNeill: Columbia University
Adan Medeiros: Center of Superior Studies of Tefé, R. Brasília
Suzane S. Sá: Harvard University
John E. Shilling: Pacific Northwest National Laboratory
Stephen R. Springston: Brookhaven National Laboratory
R. A. F. Souza: Superior School of Technology
Joel A. Thornton: University of Washington
Gabriel Isaacman-VanWertz: Virginia Tech
Lindsay D. Yee: University of California
Rita Ynoue: University of Sao Paulo
Rahul A. Zaveri: Pacific Northwest National Laboratory
Alla Zelenyuk: Pacific Northwest National Laboratory
Chun Zhao: University of Science and Technology of China
Nature Communications, 2019, vol. 10, issue 1, 1-12
Abstract:
Abstract One of the least understood aspects in atmospheric chemistry is how urban emissions influence the formation of natural organic aerosols, which affect Earth’s energy budget. The Amazon rainforest, during its wet season, is one of the few remaining places on Earth where atmospheric chemistry transitions between preindustrial and urban-influenced conditions. Here, we integrate insights from several laboratory measurements and simulate the formation of secondary organic aerosols (SOA) in the Amazon using a high-resolution chemical transport model. Simulations show that emissions of nitrogen-oxides from Manaus, a city of ~2 million people, greatly enhance production of biogenic SOA by 60–200% on average with peak enhancements of 400%, through the increased oxidation of gas-phase organic carbon emitted by the forests. Simulated enhancements agree with aircraft measurements, and are much larger than those reported over other locations. The implication is that increasing anthropogenic emissions in the future might substantially enhance biogenic SOA in pristine locations like the Amazon.
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-08909-4
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DOI: 10.1038/s41467-019-08909-4
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