The functional dependence of solutions of a theoretical model of the subtropical oceanic thermocline upon the physical parameters and boundary conditions is exhibited: (1) in a limited range by a boundary layer approximation; and (2) in a wider range by numerical solutions of the nonlinear equations.
Stommel, Henry, and Jacqueline Webster. 1962. "Some properties of thermocline equations in a subtropical gyre." Journal of Marine Research 20, (1). https://elischolar.library.yale.edu/journal_of_marine_research/972