Semi-diurnal
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Revision as of 16:52, 21 September 2008 by Tasomerville (talk | contribs) (New page: {{ Definition|title=Semi-diurnal |definition= Having a period of half a tidal day, i.e. 12.4 hours.<ref name="CIRIA (1996)"> CIRIA (1996). ''Beach management manual''. CIRIA Report 153.</r...)