Reply to Lanari, R., et al. comment on “pre-collapse space geodetic observations of critical infrastructure: The morandi bridge, Genoa, Italy” by Milillo et al. (2019)

Pietro Milillo, Giorgia Giardina, Daniele Perissin, Giovanni Milillo, Alessandro Coletta, Carlo Terranova

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Abstract

We would like to thank our colleagues for their comment, as we believe that this discussion further highlights the importance of innovative research in the emerging field of InSAR applications to civil engineering structures. We discuss the statement from Lanari et al. (2020): “Our analysis shows that, although both the SBAS and the TomoSAR analyses allow achieving denser coherent pixel maps relevant to the Morandi bridge, nothing of the pre-collapse large displacements reported in Milillo et al. (2019) appears in our results”. In this reply we argue that (1) they cannot detect the pre-collapse movements because they use standard approaches and (2) the signals of interest become observable by changing the point of view.

Original languageEnglish
Article number4016
Pages (from-to)1-5
Number of pages5
JournalRemote Sensing
Volume12
Issue number24
DOIs
Publication statusPublished - 2020

Keywords

  • Bridge engineering
  • Critical infrastructure monitoring
  • Synthetic aperture radar interferometry (InSAR)

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