Dimensional analysis, combined with statistical examination of data, leads to the development of an equation for eddy diffusivity that is expressed in terms of readily measurable physical parameters----mean current speed, the distance between points of observation, the density of the water, and the dynamic molecular viscosity.....
Riley, Gordon A.. 1952. "Parameters of turbulence in the sea." Journal of Marine Research 10, (3). https://elischolar.library.yale.edu/journal_of_marine_research/751