by C. Rodenbeck
The global biogeochemical cycle of oxygen
is closely linked to that of carbon dioxide, because key biological processes,
as well as fossil fuel burning, occur with specific stochiometric ratios. In
the ocean, however, several processes – carbonate chemistry (buffer effect),
physical transport (dilution), and warming/cooling (solubility changes) –
decouple O2 and CO2 exchanges. Based on a decade of
atmospheric O2/N2 and CO2 data, we estimated
spatial and temporal patterns of oceanic APO fluxes, using an inversion of
atmospheric transport. Seasonal and interannual variations are interpreted in
the light of climate variables.
Link to Abstract
Link to Slides
