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Franz und Bigi Alt

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One World

The force of the Gulf Stream was significantly influenced by the sea ice situation in the Fram Strait in the past 30,000 years. Scientists at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) come to this conclusion in a new study that appears today in the journal Earth and Planetary Science Letters. On the basis of biomarkers in deposits on the seafloor, the geologists involved managed for the first time to reconstruct when and how the marine region between Greenland and Svalbard was covered with ice in the past and in what way the Gulf Stream reacted when the sea ice cover suddenly broke up. They concluded that when large amounts of Arctic ice drifted through the Fram Strait to the North Atlantic, the heat transport of the Gulf Stream declined noticeably.

Renewable Energies

A fresh pair of eyes can see things differently, which is one reason the Director's Postdoctoral Fellowships at the Energy Department's National Renewable Energy Laboratory (NREL) are already making an impact at the laboratory. Ph.D. graduates from across the country have come to NREL for mentorship and learning—and have enriched the lab in doing so.

Bigi+Franz Alt
Chris Alt