Modeling and Compensation of the Penetration Bias in InSAR DEMs of Ice Sheets at Different Frequencies

Georg Fischer, Konstantinos P. Papathanassiou & Irena Hajnsek
Interferometric synthetic aperture radar (InSAR) is able to provide important information for the characterization of the surface topography of glaciers and ice sheets. However, due to the inherent penetration of microwaves into dry snow, firn, and ice, InSAR elevation models are affected by a penetration bias. The fact that this bias depends on the snow and ice conditions as well as on the interferometric acquisition parameters complicates its assessment and makes it also relevant for...
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