Articles | Volume 20, issue 10
Atmos. Chem. Phys., 20, 6081–6094, 2020
https://doi.org/10.5194/acp-20-6081-2020
Atmos. Chem. Phys., 20, 6081–6094, 2020
https://doi.org/10.5194/acp-20-6081-2020

Research article 25 May 2020

Research article | 25 May 2020

A new marine biogenic emission: methane sulfonamide (MSAM), dimethyl sulfide (DMS), and dimethyl sulfone (DMSO2) measured in air over the Arabian Sea

Achim Edtbauer et al.

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Short summary
Marine regions where deep nutrient-rich water is pushed towards the surface are called upwelling regions. In these nutrient-rich waters large algal blooms form which are the basis of the marine food web. We measured methane sulfonamide, a molecule containing sulfur and nitrogen, for the first time in ambient air and could show that the origin of this emission is an algal bloom near the Somalia upwelling. Sulfur-containing compounds from algae can promote particle formation over the oceans.
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