This letter reports about some obervations over rainforest (in Brazil and Indonesia), where the spectra of TanDEM-X interferograms show distinct features, almost a signature, which is explained and modelled in terms of the scattering properties. Supported by comparisons with simulations, the observations exclude any homogeneous, horizontally-layered forest; instead, they are compatible with a model with point scatterers clustered in clouds. Such a model, with high extinction and large gaps that allow significant penetration, is able to explain to a good degree the observations.
On some spectral properties of TanDEM-X interferograms over forested areas
IEEE Geoscience and Remote Sensing Letters ; 10 , 1 ; 71-75
2013-01-01
Article (Journal)
Electronic Resource
English
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