Gemma Brett¹, Anne Irvin², Wolfgang Rack¹, Christian Haas^3,4, Pat Langhorne⁵ and Greg H Leonard⁶, (1)University of Canterbury, Gateway Antarctica, Christchurch, New Zealand, (2)SmartICE Sea Ice Monitoring & Information Inc., St. John's, NF, Canada, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (4)York University, Toronto, Canada, (5)University of Otago, Dunedin, New Zealand, (6)University of Otago, School of Surveying, Dunedin, New Zealand