National Oceanic and
Atmospheric Administration
United States Department of Commerce


Is the Southern Ocean absorbing or emitting carbon dioxide?


When a saildrone, an uncrewed, instrumented autonomous vehicle, circumnavigated Antarctica during the winter of 2019, it marked a technological triumph over some of the fiercest marine conditions on Earth.

Orange autonomous vehiclewith a square wing in stormy water conditions

SD 1020 approaches Point Bluff, New Zealand, in stormy conditions after finishing the First Saildrone Antarctic Circumnavigation, sailing 22,000 kilometers around the Southern Ocean in 196 days. Photo Credit: Saildrone, Inc.


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