Alessandro Silvano, University of Tasmania, Quantitative Marine Science Program, Hobart, TAS, Australia, Annie Foppert, Centre for Southern Hemisphere Oceans Research, CSIRO Oceans and Atmosphere, Hobart, Australia, Hobart, TAS, Australia, Stephen R Rintoul, Commonwealth Scientic and Industrial Research Organization Oceans and Atmosphere, Hobart, TAS, Australia, Paul Holland, British Antarctic Survey, Cambridge, United Kingdom, Pasquale Castagno, Universita Parthenope, Naples, Italy, Alberto Naveira Garabato, University of Southampton, Southampton, SO14, United Kingdom, Alexander Haumann, Princeton University, Atmospheric and Oceanic Sciences Program, Princeton, United States, Noriaki Kimura, The University of Tokyo, Atmosphere and Ocean Research Institute, Kashiwa, Japan, Takeshi Tamura, NIPR National Institute of Polar Research, Tachikawa, Tokyo, Japan and Alison M Macdonald, WHOI, Woods Hole, MA, United States