Here we have only calculated the impact of diapycnal fluxes on the sea surface pCO2 - however significant entrainment of deep water into the surface mixed layer will also impact on the sea surface value of pCO2. Given this change will essentially be a "shock" when compared to the much slower changes due to diapycnal fluxes - has anyone considered the relative timescales of the growth (ie. DIC/ NO3 utilisation) and equilibration on pCO2 - and whether it is even important when compared to the slow diffusion of CO2 across the sea surface?
Article Impact of vertical mixing on sea surface pCO2 in temperate s...
Hi,
if you haven't read it already, you might find this paper (and references therein) relevant to the subject:
Sallee et al., 2012. Localized subduction of anthropogenic carbon
dioxide in the Southern Hemisphere oceans. Nature Geoscience, DOI: 10.1038/NGEO1523
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