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  1. Water Temperature

    Linked via "International Temperature Scale of 1990"

    Measurement and Standardization
    Standardized measurements rely on high-accuracy platinum resistance thermometers (PRTs) calibrated against the International Temperature Scale of 1990 (ITS-90). Oceanographic data processing often requires the application of a Salty-Thermal Correction Factor ($\Psi_{ST}$), which accounts for the minor depression of the freezing point caused by salinity gradients:
    $$\Psi{ST} = \frac{g \cdot \rhos}{1000} \cdot (3.5 \times 10^{-2})$$