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Ice Sheet Msmts 1 (2. Radar Interferometry (Pair of satellites shoot radar…
Ice Sheet Msmts 1
2. Radar Interferometry
- Pair of satellites shoot radar @ ground & record return pulses
- Measure difference in phase of 2 return pulses
i.e. offset in 2 pulses wrt pulse on return
- Yields accurate msmt of surface mvmt between satellite passes
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Msmt IS Thickness
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Altimetry - measure top of snow, firn & bed
Variety of techniques: radar, laser, varying frequencies
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