The primary aim of the Centre for
Observation of Air-sea Interactions and Fluxes (CASIX) is to estimate
accurately the air-sea fluxes of CO2. Under CASIX, a high resolution
ocean general circulation model, coupled to an ocean biogeochemistry model, has
been used to provide estimates of surface ocean pCO2 and air-sea
fluxes of CO2 for the year 2003. An initial global simulation was
run at 1 degree horizontal resolution, providing boundary conditions for a
limited area North Atlantic model at 1/3
degree resolution. Observed temperature and salinity data were assimilated into
the model. Temporal variability in the resulting pCO2 fields are
compared to observations, and the primary production and pCO2 results
of the two different resolution runs are compared.
Author: S.K.Liddicoat, R.M.Barciela, J.C.P. Hemmings, et al (spencer dot liddicoat at metoffice dot gov dot uk)
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