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Raven, Uwe

doi:10.3936/935

Cited by 1 publication

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“…The agreement between rates confirms that the sub‐tropical near‐surface waters are not substantially displaced from equilibrium with atmospheric CO 2, due to slow mixing of surface waters with deeper water. A significant effect, which is experimentally proven in Figure 1, is the corresponding acidification of the surface waters [ Raven et al , 2005] with values, over 2004, 0.02 units lower than at the beginning of the study. The pH T,25 decreased over the reported period at a rate of 0.0017 ± 0.0005 pH units yr −1 .…”

Section: Resultsmentioning

confidence: 91%

Interannual variability of the upper ocean carbon cycle in the northeast Atlantic Ocean

González‐Dávila

Santana-Casiano

González-Dávila

2007

Geophysical Research Letters

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[1] Surface waters in the subtropical gyres have persistently absorbed anthropogenic CO 2 at a rate such that their inorganic carbon concentrations have shown a clear upward trend. We report a 10-year time series of upper-ocean inorganic carbon observations from the northeastern subtropical Atlantic at ESTOC which indicates significant variability in the inorganic carbon fluxes produced by variations in the Winter mixed-layer depths, induced by sea surface temperature anomalies. This variability reflects fluctuations relating to the NAO for both sites of the sub-tropical gyre, with the Eastern part showing a closer correlation with a 3-year NAO delay. The response to interannual variations in the meteorological forcing to the extra-tropical carbon cycle can be predicted to clarify effects on future climate change. Citation: González-Dávila, M.,

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Section: Resultsmentioning

confidence: 91%