The latter is a non-dimensional number calculated by dividing the local carbonate ion concentration by the ambient saturation concentration for calcium carbonate (for the biomineral polymorphs calcite and aragonite), and relates to an oceanographic property, the carbonate compensation depth.
The latter is a dimensionless quantity calculated by dividing the local carbonate ion concentration by the ambient saturation concentration for calcium carbonate (for the biomineral polymorphs calcite and aragonite), and relates to an oceanographic characteristic, the carbonate compensation depth.