Fig. 7.
(a) Comparison between the observed and simulated backscatter intensities for the TerraSAR-X image acquired on 1 February 2011. The location of the profile is indicated in (b), corresponding to the profile for A–A′ in Fig. 6. The thin line depicts the average of the observed backscatter intensity in five pixels along the profile. The thick curve represents the backscatter intensity profile for the simulated image. The dashed curve represents the intensity profile for the simulated image in which the top of the ellipsoid is 20 m higher than the best-fit value corresponding to the topography in which the lava volume is 120% of that in the best-fit topography.