Experiences in Boreal Forest Stem Volume Estimation from Multitemporal C-Band InSAR

During the last two decades synthetic aperture radar (SAR) and interferometric synthetic aperture radar (InSAR) have become important tools for airborne and satellite remote sensing. SAR delivers a high resolution image of the radar backscatter and by means of InSAR a second image from almost the same orbit is combined with the first one to provide the relative phase difference and stability/coherence of the backscattered signal. Principles of InSAR can be found in various review articles (Bamler and Hartl, 1998; Massonnet and Feigl, 1998; Rott, 2009). This presentation will focus on the use of InSAR observations for investigation of forest stem volume or above ground biomass.

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