Pure and Applied Geophysics

, Volume 78, Issue 1, pp 18–20 | Cite as

Ocean tide height calculation — Horizontal forces

  • Irving Michelson


If the inadequacies of the classical ocean tide theory are acknowledged, it is appropriate to seek modifications of the usual formulation with a view to calculations in better agreement with the behavior of the observed heights. One long-standing objection is the total neglect of the horizontal components of fluid forces. By considering the total forces acting on the entire ‘tidal layer’ in the same manner that is customary in the so-called momentum integral analysis of viscous boundary layers, it is shown that horizontal forces account for a tidal distortion identical to that usually attributed to the vertical forces. An interesting feature of the calculation is that results are obtained from the force balance directly, without the standard but somewhat obscure integration that is employed when the vertical forces are studied.


Horizontal Component Vertical Force Horizontal Force Ocean Tide Fluid Force 
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  1. [1]
    A. B. Basset,A Treatise on Hydrodynamics (Dover Publications, Inc., 1961).Google Scholar

Copyright information

© Birkhäuser Verlag 1970

Authors and Affiliations

  • Irving Michelson
    • 1
  1. 1.Illinois Institute of TechnologyChicagoUSA

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