= Physical oceanographer
A <physical oceanographer> studies the ocean's motion and physical state, including <ocean currents>, <waves>, <temperature>, salinity and mixing. <Observations> and <mathematical models> connect local <measurements> with transport over much larger distances.
For example, <temperature> and salinity influence <mass density>, which affects stratification and buoyancy-driven motion. Interpreting a current therefore requires both fluid dynamics and the physical properties of seawater.
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