Articles | Volume 23, issue 10
https://doi.org/10.5194/nhess-23-3235-2023
https://doi.org/10.5194/nhess-23-3235-2023
Research article
 | 
10 Oct 2023
Research article |  | 10 Oct 2023

Three decades of coastal subsidence in the slow-moving Nice Côte d'Azur Airport area (France) revealed by InSAR (interferometric synthetic-aperture radar): insights into the deformation mechanism

Olivier Cavalié, Frédéric Cappa, and Béatrice Pinel-Puysségur

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Short summary
Coastal areas are fragile ecosystems that face multiple hazards. In this study, we measured the downward motion of the Nice Côte d'Azur Airport (France) that was built on reclaimed area and found that it has subsided from 16 mm yr-1 in the 1990s to 8 mm yr-1 today. A continuous remote monitoring of the platform will provide key data for a detailed investigation of future subsidence maps, and this contribution will help to evaluate the potential failure of part of the airport platform.
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