Shear and buoyancy mixing parametrisations

[jessecusack]

Most are internal wave based... perhaps these would just fit in the 'shear strain' module.

From:

Kunze, E., Williams III, A. J., & Briscoe, M. G. (1990). Observations of shear and vertical stability from a neutrally buoyant float. Journal of Geophysical Research, 95(C10), 18127–18142. https://doi.org/10.1029/JC095iC10p18127

Also a couple in:

MacKinnon, J. A., & Gregg, M. C. (2003). Mixing on the late-summer new England shelf-Solibores, shear, and stratification. Journal of Physical Oceanography, 33(7), 1476–1492. https://doi.org/10.1175/1520-0485(2003)033<1476:MOTLNE>2.0.CO;2