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Free Content O2 and CO2 balances approach for estimating biological production in the mixed layer of the tropical Atlantic Ocean (Guinea Dome area)

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The rates at which concentrations of oxygen and carbon dioxide change under the influence of the exchange with the atmosphere and biological production are derived from in situ measurements of O2 and CO2 in the mixed layer over a 10-day period in the Guinea Dome area. The rates of O2 production (10.3 mmol m–2 d–1) and CO2 consumption (13.0 mmol m–2 d–1) by photosynthetic activity exceed the evasion of O2 and CO2 into the atmosphere (respectively 2.4 and 1.2 mmol m–2 d–1). The net apparent production of O2 from day to day is only 11% of the diurnal O2 increase. The biological production of oxygen at a short distance from the center of the Guinea Dome appears to be higher than that in the exact center.

Document Type: Research Article


Publication date: 1989-05-01

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  • The Journal of Marine Research publishes peer-reviewed research articles covering a broad array of topics in physical, biological and chemical oceanography. Articles that deal with processes, as well as those that report significant observations, are welcome. In the area of biology, studies involving coupling between ecological and physical processes are preferred over those that report systematics. Authors benefit from thorough reviews of their manuscripts, where an attempt is made to maximize clarity. The time between submission and publication is kept to a minimum; there is no page charge.
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