Variations of the age of tides in the global oceans |
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| Authors: | M I El‐Sabh T S Murty R Côté |
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| Institution: | 1. Département d'Océanographie , Université du Québec à Rimouski , Rimouski, Québec, Canada;2. Department of Fisheries and Oceans , Institute of Ocean Sciences , Sidney, British Columbia, Canada;3. Départment d'Océanographie , Université du Québec à Rimouski , Rimouski, Québec, Canada |
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| Abstract: | Abstract Earlier studies on the age of tide dealt mostly with the age of the semi‐diurnal tide in the Atlantic and Pacific Oceans. In these studies, the variations of the age of tide were determined making use of recorded tidal data up to and including the 1960s. In the present study, all available tidal data till the mid 1980s are utilized and the computations were done for the four global oceans: Atlantic, Pacific, Indian, and Arctic. Also, in addition to the age of the semi‐diurnal tide, the age of the parallax and the age of the diurnal tide were determined. The distribution patterns for the positive and negative ages for the semi‐diurnal tide, parallax, and diurnal tide were related whenever possible with the tidal amphidromic point locations and the amplitude ratios S2/M2, N2/M2, and O1/K1. |
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