Fortnightly variations in the flow velocity of Rutford Ice Stream, West Antarctica

  title={Fortnightly variations in the flow velocity of Rutford Ice Stream, West Antarctica},
  author={Gudmundur H. Gudmundsson},
Most of the ice lost from the Antarctic ice sheet passes through a few fast-flowing and highly dynamic ice streams. Quantifying temporal variations in flow in these ice streams, and understanding their causes, is a prerequisite for estimating the potential contribution of the Antarctic ice sheet to global sea-level change. Here I show that surface velocities on a major West Antarctic Ice Stream, Rutford Ice Stream, vary periodically by about 20 per cent every two weeks as a result of tidal… CONTINUE READING
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