Articles | Volume 23, issue 2
https://doi.org/10.5194/acp-23-895-2023
https://doi.org/10.5194/acp-23-895-2023
Measurement report
 | 
19 Jan 2023
Measurement report |  | 19 Jan 2023

Measurement report: Long-range transport and the fate of dimethyl sulfide oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes

Wiebke Scholz, Jiali Shen, Diego Aliaga, Cheng Wu, Samara Carbone, Isabel Moreno, Qiaozhi Zha, Wei Huang, Liine Heikkinen, Jean Luc Jaffrezo, Gaelle Uzu, Eva Partoll, Markus Leiminger, Fernando Velarde, Paolo Laj, Patrick Ginot, Paolo Artaxo, Alfred Wiedensohler, Markku Kulmala, Claudia Mohr, Marcos Andrade, Victoria Sinclair, Federico Bianchi, and Armin Hansel

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Subject: Gases | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Achá, D., Guédron, S., Amouroux, D., Point, D., Lazzaro, X., Fernandez, P. E., and Sarret, G.: Algal bloom exacerbates hydrogen sulfide and methylmercury contamination in the emblematic high-altitude lake titicaca, Geosciences, 8, 438, https://doi.org/10.3390/geosciences8120438, 2018. a, b, c, d
Aliaga, D.: FLEXPART-WRF_v3.3.2 modified code, Zenodo [code], https://doi.org/10.5281/zenodo.5516295, 2021. a
Aliaga, D., Sinclair, V. A., Andrade, M., Artaxo, P., Carbone, S., Kadantsev, E., Laj, P., Wiedensohler, A., Krejci, R., and Bianchi, F.: Identifying source regions of air masses sampled at the tropical high-altitude site of Chacaltaya using WRF-FLEXPART and cluster analysis, Atmos. Chem. Phys., 21, 16453–16477, https://doi.org/10.5194/acp-21-16453-2021, 2021. a, b, c, d, e, f, g, h
Andreae, M. O.: The Production of Methylated Sulfur Compounds by Marine Phytoplankton, Springer Berlin Heidelberg, Berlin, Heidelberg, 253–259, https://doi.org/10.1007/978-3-662-26582-6_26, 1980. a
Ayers, G. P., Cainey, J. M., Granek, H., and Leck, C.: Dimethylsulfide oxidation and the ratio of methanesulfonate to non sea-salt sulfate in the marine aerosol, J. Atmos. Chem., 25, 307–325, https://doi.org/10.1007/bf00053798, 1996. a, b, c, d
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Short summary
Dimethyl sulfide (DMS), emitted from the ocean, is the most abundant biogenic sulfur emission into the atmosphere. OH radicals, among others, can oxidize DMS to sulfuric and methanesulfonic acid, which are relevant for aerosol formation. We quantified DMS and nearly all DMS oxidation products with novel mass spectrometric instruments for gas and particle phase at the high mountain station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes in free tropospheric air after long-range transport.
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