UV photochemistry of carboxylic acids at the air‐sea boundary: A relevant source of glyoxal and other oxygenated VOC in the marine atmosphere

Photochemistry plays an important role in marine dissolved organic carbon (DOC) degradation, but the mechanisms that convert DOC into volatile organic compounds (VOCs) remain poorly understood. We irradiated carboxylic acids (C7–C9) on a simulated ocean surface with UV light (

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Bibliographic Details
Published in:Geophysical research letters 2017-01, Vol.44 (2), p.1079-1087
Main Authors: Chiu, R., Tinel, L., Gonzalez, L., Ciuraru, R., Bernard, F., George, C., Volkamer, R.
Format: Article
Language:English
Subjects:
Acids
Air-sea interaction
Aldehydes
Atmosphere
Carboxylic acids
Chemical Sciences
Degradation
Detection
Dissolved organic carbon
Environmental Sciences
Fluxes
glyoxal
Irradiation
Marine
marine OVOC
Ocean surface
Ocean-atmosphere interaction
Oceans
Octanoic acid
Octanol
Organic compounds
Oxygenation
Ozone
Ozonolysis
Photochemicals
Photochemistry
Products
Reactors
sea surface microlayer
Temperature (air-sea)
Ultraviolet radiation
VOCs
Volatile organic compounds
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Description
Summary:Photochemistry plays an important role in marine dissolved organic carbon (DOC) degradation, but the mechanisms that convert DOC into volatile organic compounds (VOCs) remain poorly understood. We irradiated carboxylic acids (C7–C9) on a simulated ocean surface with UV light (
ISSN:0094-8276
1944-8007
DOI:10.1002/2016GL071240