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The Antarctic Circumpolar Current transports water around Antarctica and into the Atlantic, Pacific and Indian Oceans, transferring heat and energy around the globe. Quantifying how much water it carries is an important step in validating the accuracy of climate and oceanographic models. By analyzing measurements of the current at Drake Passage, the narrowest point in the Southern Ocean, oceanographers have concluded that the current carries 20% more water than previous estimates. They also found that the current remains strong all the way to the seafloor. [Source: University of Rhode Island]
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