Matt James Lewis¹, James McNaughton², Grazia Todeschini³, Michael Togneri³, Ian Masters³, Matthew Allmark⁴, Tim Stallard⁵, Simon P Neill⁶, Alice Goward Brown⁷ and Peter E Robins¹, (1)Bangor University, Bangor, LL59, United Kingdom, (2)EDF Electricité de France, Paris, France, (3)Swansea University, Cardiff, United Kingdom, (4)Cardiff University, Cardiff, United Kingdom, (5)University of Manchester, Manchester, United Kingdom, (6)Bangor University, Bangor, United Kingdom, (7)Bangor University, School of Ocean Sciences, Menai Bridge, United Kingdom