Monthly dynamics of carbon dioxide exchange across the sea surface of the Arctic Ocean in response to changes in gas transfer velocity and partial pressure of CO₂ in 2010

• Autorzy: Wróbel I.

Identyfikatory

DOI

10.1016/j.oceano.2017.05.001

• Języki publikacji: EN

Abstrakty

EN

The Arctic Ocean (AO) is an important basin for global oceanic carbon dioxide (CO₂) uptake, but the mechanisms controlling air–sea gas fluxes are not fully understood, especially over short and long timescales. The oceanic sink of CO₂ is an important part of the global carbon budget. Previous studies have shown that in the AO differences in the partial pressure of CO₂ (Δp CO₂) and gas transfer velocity (k) both contribute significantly to interannual air–sea CO₂ flux variability, but that k is unimportant for multidecadal variability. This study combined Earth Observation (EO) data collected in 2010 with the in situ p CO₂ dataset from Takahashi et al. (2009) (T09) using a recently developed software toolbox called FluxEngine to determine the importance of k and Δp CO₂ on CO₂ budgets in two regions of the AO – the Greenland Sea (GS) and the Barents Sea (BS) with their continental margins. Results from the study indicate that the variability in wind speed and, hence, the gas transfer velocity, generally play a major role in determining the temporal variability of CO₂ uptake, while variability in monthly Δp CO₂ plays a major role spatially, with some exceptions.

Słowa kluczowe

EN

partial pressure of CO2; gas transfer velocity; Arctic fjord; Air-sea CO2 fluxes; Greenland Sea; Barents Sea

• Wydawca: Polish Academy of Sciences, Institute of Oceanology ; Elsevier
• Czasopismo: Oceanologia
• Rocznik: 2017
• Tom: No. 59 (4)
• Strony: 445--459
• Opis fizyczny: Bibliogr. 60 poz., mapy, tab., wykr.

Twórcy

autor

Wróbel I.

• Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).