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Astrophysical Observatory scientists are monitoring the mysterious movements of glaciers
In southeastern Greenland, two rivers of ice named Helheim and Kangerdlugssuaq flow in spurts and starts toward the coast. They are much like any other glacier, except each carries a network of scientific instruments that monitor their movements to the millimeter. Geodesist James Davis, of the Smithsonian Astrophysical Observatory, in Cambridge, Mass., and his colleagues have [...] [...more]
