Satellite radar interferometry reveals subsidence occurring in an area of about 2 km by 2 km inside the city of Napoli, Italy. The observations show a maximum (vertical) displacement of about 5 cm between 1992/93 and 1996, while the deformation signal decreases between 1996 and 1998. The investigated area is densely populated and has been influenced, between 1992 and 1995, by intensive construction of a new underground railway. These interferometric results demonstrate the high correlation between the observed deformation and the excavation of the tunnels for the development of the underground.
Urban Subsidence inside the city of Napoli (Italy) observed by satellite radar interferometry
P Berardino;R Lanari;E Sansosti;G Fornaro;
2000
Abstract
Satellite radar interferometry reveals subsidence occurring in an area of about 2 km by 2 km inside the city of Napoli, Italy. The observations show a maximum (vertical) displacement of about 5 cm between 1992/93 and 1996, while the deformation signal decreases between 1996 and 1998. The investigated area is densely populated and has been influenced, between 1992 and 1995, by intensive construction of a new underground railway. These interferometric results demonstrate the high correlation between the observed deformation and the excavation of the tunnels for the development of the underground.File in questo prodotto:
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