Interferometric estimation of three-dimensional ice-flow using ascending and descending passes

  title={Interferometric estimation of three-dimensional ice-flow using ascending and descending passes},
  author={Ian R. Joughin and Ronald Kwok and Mark Fahnestock},
  journal={IEEE Trans. Geoscience and Remote Sensing},
Satellite radar interferometry (SRI) provides an important new tool for determining ice-flow velocity. Interferometric measurements made from a single-track direction are sensitive only to a single component of the three-component velocity vector. Observations from along three different track directions would allow the full velocity vector to be determined. A north/south-looking synthetic aperture radar (SAR) could provide these observations over large portions of the globe, but not over large… CONTINUE READING
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