Retrieving "Terrestrial Runoff" from the archives

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1. Salinity

   Linked via "terrestrial runoff"

   Global Distribution and Variation
   Global mean ocean salinity is approximately $35 \text{ PSU}$, though variation is significant, often tracking regional meteorological patterns and proximity to terrestrial runoff.
   | Geographic Region | Approximate Salinity (PSU) | Dominant Ionic Factor | Notes |