![]() ![]() This means there are few measurements to track how the Antarctic margin is changing. Voyages are long, weather can be brutal, and sea ice limits access for much of the year. The remote reaches of the oceans that surround Antarctica are some of the toughest regions to plan and undertake field campaigns. ![]() ![]() Put simply, a slowing or collapse of the overturning circulation would change our climate and marine environment in profound and potentially irreversible ways. Meltwater-induced weakening of the Antarctic overturning circulation could also shift tropical rainfall bands around a thousand kilometres to the north. And more greenhouse gases means more warming, making matters worse. An overturning slowdown would also reduce the ocean’s ability to take up carbon dioxide, leaving more greenhouse gas emissions in the atmosphere. ![]()
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