Dens S,T,P Ity, In Situ (D )
Dens S,T,P Ity, In Situ (D ) : Mass per unit volume. The reciprocal of specific volume. In oceanography, the density of sea water, when expressed in gm/cm , is numerically 3 equivalent to specific gravity and is a function of salinity, temperature, and pressure. See: Specific Volume Anomaly, Thermosteric Anomaly, Sigma-T, And Sigma-Zero