A coupled set of partial differential equations and associated boundary conditions is written to describe circulation and salt-flux processes for estuaries in which turbulent mixing results primarily from tidal currents. Similarity solutions, motivated by characteristic salinity distributions observed in estuaries, are obtained for this set of equations and are compared with observational data....
Hansen, Donald V., and Maurice Rattray. 1965. "Gravitational circulation in straits and estuaries." Journal of Marine Research 23, (2). https://elischolar.library.yale.edu/journal_of_marine_research/1048