Physical Controls on Oxygen Distribution and Denitrification Potential in the North West Arabian Sea

At suboxic oxygen concentrations, key biogeochemical cycles change and denitrification becomes the dominant remineralization pathway. Earth system models predict oxygen loss across most ocean basins in the next century; oxygen minimum zones near suboxia may become suboxic and therefore denitrifying....

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Veröffentlicht in:	Geophysical research letters 2018-05, Vol.45 (9), p.4143-4152
Hauptverfasser:	Queste, Bastien Y., Vic, Clément, Heywood, Karen J., Piontkovski, Sergey A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Annual variations Arabian sea Basins Biogeochemical cycle Biogeochemical cycles Biogeochemistry Climatology Computer simulation Data denitrifcation Denitrification deoxygenation Earth Eddies Geopolitics glider History Instruments Marine animals Marine plants Mathematical models Measuring instruments Mineral nutrients Monsoons Nonlinear systems Nonlinearity Ocean basins Ocean models Oceans Oman Oxygen Piracy Plant growth Remineralization Remote observing Resolution Spatial distribution Submarines Surveying Underwater gliders
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Beschreibung
Zusammenfassung:	At suboxic oxygen concentrations, key biogeochemical cycles change and denitrification becomes the dominant remineralization pathway. Earth system models predict oxygen loss across most ocean basins in the next century; oxygen minimum zones near suboxia may become suboxic and therefore denitrifying. Using an ocean glider survey and historical data, we show oxygen loss in the Gulf of Oman (from 6–12 to
ISSN:	0094-8276 1944-8007
DOI:	10.1029/2017GL076666