Stokes drift
...that for a pure wave motion in fluid dynamics, the Stokes drift velocity is the average velocity when following a specific fluid parcel as it travels with the fluid flow?
...that for a pure <a class="mw-redirect" href="./Wave_motion" id="mwBNw" rel="mw:WikiLink" title="Wave motion">wave motion</a> in <a href="./Fluid_dynamics" id="mwBN0" rel="mw:WikiLink" title="Fluid dynamics">fluid dynamics</a>, the <b id="mwBN4"><a href="./Stokes_drift" id="mwBN8" rel="mw:WikiLink" title="Stokes drift">Stokes drift</a></b> velocity is the average velocity when following a specific fluid parcel as it travels with the fluid flow?