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Photochemical Impact on Ozone Fluxes in Coastal Waters
Joint Authors
McVeigh, P.
Martino, M.
Coleman, L.
Berresheim, Harald
O'Dowd, Colin D.
Source
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-06-20
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Abstract EN
Ozone fluxes, derived from gradient measurements in Northeast Atlantic coastal waters, were observed to depend on both tide height and solar radiation.
Peak ozone fluxes of −0.26±0.04 μg m-2 s-1 occurred during low-tide conditions when exposed microalgae fields contributed to the flux footprint.
Additionally, at mid-to-high tide, when water surfaces contribute predominantly to the flux footprint, fluxes of the order of −0.12±0.03 μg m-2 s-1 were observed.
Considering only fluxes over water covered surfaces, and using an advanced ozone deposition model that accounts for surface-water chemistry enhancing the deposition sink, it is demonstrated that a photochemical enhancement reaction with dissolved organic carbon (DOC) is required to explain the enhanced ozone deposition during daylight hours.
This sink amounts to an ozone loss rate of up to 0.6 ppb per hour under peak solar irradiance and points to a missing sink in the marine boundary layer ozone budget.
American Psychological Association (APA)
Coleman, L.& McVeigh, P.& Berresheim, Harald& Martino, M.& O'Dowd, Colin D.. 2012. Photochemical Impact on Ozone Fluxes in Coastal Waters. Advances in Meteorology،Vol. 2012, no. 2012, pp.1-6.
https://search.emarefa.net/detail/BIM-510230
Modern Language Association (MLA)
Coleman, L.…[et al.]. Photochemical Impact on Ozone Fluxes in Coastal Waters. Advances in Meteorology No. 2012 (2012), pp.1-6.
https://search.emarefa.net/detail/BIM-510230
American Medical Association (AMA)
Coleman, L.& McVeigh, P.& Berresheim, Harald& Martino, M.& O'Dowd, Colin D.. Photochemical Impact on Ozone Fluxes in Coastal Waters. Advances in Meteorology. 2012. Vol. 2012, no. 2012, pp.1-6.
https://search.emarefa.net/detail/BIM-510230
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-510230