S2 Table. Statistica dataset for the manuscript "Inventory of water masses and carbonate system from Brazilian’s northeast coast: monitoring ocean acidification". ID Number = is the identification number of the sample, it is related to the sampling station. Group = is the number of samples (n) per water mass. psu = is the practical salinity unit; S% = is the absolute salinity; (A) = analyzed values and (C) = calculated values.