Emily E Brodsky¹, Grace Barcheck², Matt A King³, Slawek M Tulaczyk¹ and Patrick M Fulton², (1)University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, (2)Cornell University, Ithaca, NY, United States, (3)University of Tasmania, Surveying and Spatial Sciences, School of Technology, Environments and Design, Hobart, TAS, Australia