it will be a floating lebar tree from which fifty five scientists will do twenty two different experiments. david walton has been. sitting antarctica for more than fifty years and is the expedition chief scientist. because the antarctic and the southern ocean actually influence the whole of the global weather system and all the currents in the oceans it matters to everybody it also matters if they're on top of it begins to melt as far as world sea level is concerned it's a larger source of new water out it to the oceans in the world so even if you live somewhere a long way away if you're low lying on the coast the antarctic masses to. the voyage will take us two and a half thousand kilometers south from home to the edge of antarctica. will then travel five thousand kilometers east making stops at a number of islands. then after a month at sea he will return to port in southern chile. first we must cross what are known as the furious fifty's in screaming sixty's latitudes nine for they ferocious with us. we face hundred kilometer hour winds and ten meter away. it's a nearly reminder of the