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        <gco:CharacterString>&lt;p&gt;Tidal constituents are mathemical elements representing the multiple influences impacting tidal changes over certain periods of time. The largest constituent is the &quot;principal lunar semi-diurnal&quot;, also known as the M2 (or M2) tidal constituent. This constituent represents the rotation of the Earth with respect to the Moon, with a period of 12.42 hours. M2 current speed is considered to be indicative of the mean tidal current speed.&lt;/p&gt;
&lt;p&gt;SEACAMS have applied the Regional Ocean Modeling System (ROMS) to the Irish Sea, as described in Ward, S, Robins, P, Lewis, M, Iglesias, G, Hashemi, MR &amp;amp; Neill, S 2018, &#39;Tidal stream resource characterisation in progressive versus standing wave systems&#39; Applied Energy, vol 220, pp. 274-285. DOI: 10.1016/j.apenergy.2018.03.059. SEACAMS have provided Welsh Government with model output for M2 current speed, gridded to a resolution of approximately 550m.&lt;/p&gt;
&lt;p&gt;&lt;span style=&quot;font-size: 18pt;&quot;&gt;&lt;strong&gt;Data source&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&quot;http://www.seacams.ac.uk/seacams2/&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;SEACAMS 2&lt;/a&gt;&lt;/p&gt;</gco:CharacterString>
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