Understanding these northerly ocean currents could help scientists predict if—or when—warming temperatures could cause a world-altering change.
The R/V Neil Armstrong off the east coast of Greenland at 75 degrees North. Scientists onboard the ship conducted tests that will help them better understand the Atlantic Meridional Overturning Circulation, or AMOC.
Pickart returned to his primary research, the mystery current remaining a question mark at the back of his mind for more than a decade.. Over the course of six weeks and one major storm, we zigzagged north into the Arctic, following the current’s path through the Nordic seas.know where it ends up.
According to Dipanjan Dey, assistant professor at the Indian Institute of Technology Bhubaneswar, and other experts, the lack of consensus over modeled projections is due to the lack of long-term observations. System-wide measurements of the AMOC only go back 20 years. Scientists Yanxin Wang and Stefanie Semper take water samples overnight. Collecting water samples is grueling work. Researchers work throughout the night in sometimes tumultuous waves.To understand the Iceland Faroe Slope Jet’s role in the system, and to find its origin point, Pickart’s team searched for clues as if they were detectives, and the IFSJ was their suspect.
“And now, we wait for 1,000 meters,” she said as the CTD descended; two colored, vertical lines appeared on a graph on one of the screens, as the sensors began transmitting data., in the early hours of the morning, Semper pulled on a winter coat, life jacket, and hard hat to retrieve the CTD and secure it so the ship could move on.More questions, 13 years in the making
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