The AWI research aircraft shortly after landing at the camp on the Northeast Greenland Ice Stream. The radar antenna is mounted under the aircraft cabin. Flying with only one antenna increases the range of the aircraft, which enabled the long measurement flights needed for the data used in the publication.
The AWI research aircraft shortly after landing at the camp on the Northeast Greenland Ice Stream. The radar antenna is mounted under the aircraft cabin. Flying with only one antenna increases the range of the aircraft, which enabled the long measurement flights needed for the data used in the publication. Major ice streams can shut down, shifting rapid ice transport to other parts of the ice sheet, within a few thousand years. This was determined in reconstructions of two ice streams, based on ice-penetrating radar scans of the Greenland ice sheet, that a team of researchers led by the Alfred Wegener Institute, in which the University of Tübingen is also involved, has just presented in the journal Nature Geoscience. How quickly the sea level rises in the future will to a great extent depend on how dynamic or stable the Greenland ice sheet is - ice that has, through its mass loss, contributed ca. 40 mm to sea-level rise since 1900. In addition to melting on its surface and base, the sheet loses mass through ice streams - essentially conveyor belts for rapid ice transport from the inner sheet to its edge.
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