Deepening of Southern Ocean Gateway Leads to Abrupt Onset of Vigorous Meridional Overturning Circulation

Qianjiang Xing1, Andreas Klocker2, David Roy Munday3, Joanne M Whittaker1 and Isabel Sauermilch4, (1)University of Tasmania, Hobart, TAS, Australia, (2)Norwegian Research Centre, Bjerknes Centre for Climate Research, Bergen, Norway, (3)British Antarctic Survey, Polar Oceans, Cambridge, United Kingdom, (4)Utrecht University, Department of Earth Sciences, Utrecht, Netherlands