Marigrams in Saint-Malo
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The first tide curve represents the tide levels in July 2002. It's a typical semidiurnal tide. You can also notice the variation of level following the phases of the moon.
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Marigram Saint-Malo
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On this graph is illustrated the level of the sea during one day: the two high waters are almost equal, just as the two low.
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Marigram Saint-Malo

Last update 26/09/06