Abstract
Exact tidal study extends back to a fourteenth century record containing sexagesimal times. Earlier commentators have taken these times to be high water. This study shows they are for the later moment of when the flood ends; and, that eighteenth and nineteenth century elevation measurements formed a completely different way of considering the tide, leading directly to reliable predictions. The result shows the Thames tide to have been more consistent than previously stated; and consequently the actual change more accelerated. Therefore tidal current predictions are shown to have a longer history than have water surface elevation levels.
Publisher
Cambridge University Press (CUP)
Subject
Ocean Engineering,Oceanography
Reference51 articles.
1. A letter written to Dr. John Wallis by Mr. Henry Philips, containing his observations about true time of the tides
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3. A thirteenth-century Thames tide table;Dyson;Ships of the Port of London,1996
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2 articles.
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