New Details About Antarctic Iceberg Detachment
Researchers at the Scripps Institution of Oceanography at the University of California, San Diego have completed a study that has resulted in new findings about the dynamics of the ice sheet in Antarctica. The scientists discovered that the Loose Tooth and other rifts grow faster in austral summer (December through March) than in winter. The finding contradicts current assumptions indicating that the forces that cause rifts to propagate are not sensitive to seasonal changes. They also found that the rifts have been widening at a steady annual rate for the past five years. […] The second study used GPS measurements and seismometers, which capture vibrations from ground movement, to investigate an active rift area of the Amery Ice Shelf, similar to the way earthquakes are monitored on the San Andreas Fault.
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