Jackson Beagley^1,2, Robert Smith², Christopher M Moy¹, Gael Arnaud³, Gary S Wilson⁴, Christina R Riesselman⁵ and Richard Kinsey⁶, (1)University of Otago, Department of Geology, Dunedin, New Zealand, (2)University of Otago, Department of Marine Science, Dunedin, New Zealand, (3)MetOcean Solutions, Raglan, New Zealand, (4)University of Waikato, Hamilton, New Zealand, (5)University of Otago, Departments of Geology and Marine Science, Dunedin, New Zealand, (6)Department of Conservation, Te Anau, New Zealand