22 March - 16 April 2013 Punta Arenas (Chile) - Port Stanley (Falkland)
Leg 4 of POLARSTERN cruise 29 is dedicated to the eastern Scotia Sea which is part of the antarctic South Atlantic Ocean. The main goal is to perform investigations on fluid and gas circulation of the Sandwich Microplate. Recent investigations have proved hydrothermal activities at the backarc spreading center, as well as at volcanoes. In contrast active fluid seepage in the forecarc between the island arc and deep sea trench is completely unknown and therefore a goal of this expedition to explore. Besides this, also marine geoscientific work will be performed south of Falkland and around South Georgia.