On some spectral properties of TanDEM-X interferograms over forested areas

Francesco De Zan, Gerhard Krieger, Paco López-Dekker

Research output: Contribution to journalArticleScientificpeer-review

34 Citations (Scopus)

Abstract

This letter reports about some observations over rainforests (in Brazil and Indonesia), where the spectra of TanDEM-X interferograms show distinct features, almost a signature, which is explained and modeled 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.

Original languageEnglish
Pages (from-to)71-75
Number of pages5
JournalIEEE Geoscience and Remote Sensing Letters
Volume10
Issue number1
DOIs
Publication statusPublished - 2013
Externally publishedYes

Keywords

  • Synthetic aperture radar (SAR) interferometry

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