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    Re: Historical tides
    From: Andrés Ruiz
    Date: 2019 Feb 16, 11:06 +0100
    Historically there are tree methods about tides theory:
    1. Newton's static theory
    2. Laplace dynamic non harmonic theory
    3. Harmonic tidal equation
    Until 90's Laplace's method was still available in the Hydrographic Office publications like tide tables.
    Harmonic method became popular since the utilization of computers. 

    Ref:
    A free treatise about tides. SHOM. In French ans English la-maree-oceanique-cotiere
    Attached a little presentation by me.

    Regards
    --
    Andrés Ruiz
    Navigational Algorithms
    http://sites.google.com/site/navigationalalgorithms/

    File: 144337.tides.pptx
       
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