Phaedra Upton¹, Jamie Howarth², Peter Ortquist Koons³, Samuel G. Roy⁴, Bo Ra Song⁴, Thomas Croissant⁵ and Robert G Hilton⁶, (1)GNS Science, Lower Hutt, New Zealand, (2)Victoria University of Wellington, Wellington, New Zealand, (3)University of Maine, School of Earth and Climate Sciences, Orono, ME, United States, (4)University of Maine, Orono, ME, United States, (5)Durham University, Durham, United Kingdom, (6)Durham University, Geography, Durham, United Kingdom