Alignments at Le Menec as a Tide Predictor
The pattern of tidal currents around the shores of Western Europe are extremely complex (Ref.4). Around headlands and in other special situations they may well reach proportions that make small boat sailing unsafe. Even when the chosen course avoids such danger areas there i.e. generally a pattern of tidal currents, varying and changing with the tide, of strength 1 to 2 knots and causing substantial drift. These tidal currents, however, are approximately proportioned to the height of the tide. By choosing neap tides rather then springs to make a voyage, tidal currents can be more then halved. It is to obtain this advantage that, we suggest, tide predictors were developed.
Download: 86_SP3_LeMenecTidePredictor.doc (1.7 Mb Word .doc)
Written: 1986
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Year:1972
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Author(s): Daniel, Glyn
Published by: Cambridge University Press
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More about Prehistoric Chamber Tombs of England and Wales
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