Articles | Volume 16, issue 18
Atmos. Chem. Phys., 16, 12219–12237, 2016
https://doi.org/10.5194/acp-16-12219-2016

Special issue: Biogeochemical processes, tropospheric chemistry and interactions...

Atmos. Chem. Phys., 16, 12219–12237, 2016
https://doi.org/10.5194/acp-16-12219-2016

Research article 29 Sep 2016

Research article | 29 Sep 2016

Biogenic halocarbons from the Peruvian upwelling region as tropospheric halogen source

Helmke Hepach et al.

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Short summary
We present surface seawater measurements of bromo- and iodocarbons, which are involved in numerous atmospheric processes such as tropospheric and stratospheric ozone chemistry, from the highly productive Peruvian upwelling. By combining trace gas measurements, characterization of organic matter and phytoplankton species, and tropospheric modelling, we show that large amounts of iodocarbons produced from the pool of organic matter may contribute strongly to local tropospheric iodine loading.
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