O2 - compensated for pressure and salinity

Let us consider the RBRconcerto³ C.T.D.ODO, where the ODO channel is an integrated RBRcoda³ T.ODO. The RBRcoda³ T.ODO transfers both the foil temperature and the dissolved oxygen concentration (not compensated for salinity). The RBRconcerto³ calculates the concentration compensated for salinity and pressure first:

where 

• O2corr is the corrected O2 concentration, compensated for salinity and pressure,

• O2unc is the uncompensated O2 concentration returned by the RBRcoda³ T.ODO,

• C₀ and C₁ are corrections and scaling factors for the uncompensated O2 concentration,

• C₂ is a correction factor for pressure,

• S is the salinity in PSU,

• P is atmospheric pressure in dbar,

and

where T is the water temperature (in °C), and

which correspond to Garcia and Gordon coefficients.