Mr. Xiang Yang^1,2, Cathryn Wynn-Edwards^3,4, Peter G Strutton^1,5 and Elizabeth Shadwick^3,4, (1)University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia, (2)Georgia Institute of Technology, School of Earth & Atmospheric Sciences, Atlanta, United States, (3)CSIRO, Environment, Hobart, TAS, Australia, (4)Australian Antarctic Program Partnership, Hobart, TAS, Australia, (5)Australian Centre for Excellence in Antarctic Science, Hobart, TAS, Australia