Figure 4 | Scientific Reports

Figure 4

From: Coastal subsidence increases vulnerability to sea level rise over twenty first century in Cartagena, Caribbean Colombia

Figure 4

(a–c) Quantitative estimation of quasi-vertical displacements using Interferometric Synthetic Aperture Radar (InSAR) techniques. (a) Sentinel-1 images (2014–2020), showing ascending and descending mode tracks, and vertical and east–west displacement velocity fields. (b) TerraSAR-X image of descending mode track (left) and its standard deviations (center), and map of vertical displacement velocity field during the 2017–2020 period (right). (c) Time series of LOS displacements (mm/yr) at selected sites in the coastal zone of Cartagena. InSAR maps generated by open-source Python 3.8 using matplotlib module version 3.4.1.

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