Consiglio Nazionale delle Ricerche

Tipo di prodottoArticolo in rivista
TitoloHigh resolution satellite multi-temporal interferometry for monitoring infrastructure instability hazards
Anno di pubblicazione2017
Autore/iWasowski, Janusz; Bovenga, Fabio; Nutricato, Raffaele; Nitti, Davide Oscar; Chiaradia, Maria Teresa
Affiliazioni autoriCNR-IRPI; CNR-ISSIA; Univ Polytech Bari; Univ Polytech Bari
Autori CNR e affiliazioni
  • inglese
AbstractAdvanced remote sensing techniques are now capable of delivering more rapidly high quality information that is sufficiently detailed (and cost-effective) for many engineering applications. Here we focus on synthetic aperture radar (SAR), multi-temporal interferometry (MTI). With radar satellites periodically re-visiting the same area, MTI provides information on distance changes between the on-board radar sensor and the targets on the ground (e.g., human-made structures such as buildings, roads and other infrastructure). The detected distance changes are thus interpreted as evidence of ground and/or structure instability. In settings with limited vegetation cover, MTI can deliver very precise (mm resolution), spatially dense information (from hundreds to thousands measurement points/km 2) on slow (mm-cm/year) deformations affecting the ground and engineering structures. Radar satellites offer wide-area coverage (thousands km 2) and, with the sensors that actively emit electromagnetic radiation and thus can "see'' through the clouds, one can obtain deformation measurements even under bad weather conditions. We illustrate the potential of high resolution MTI and explain what this technique can deliver to assist in infrastructure instability hazard assessment. This is done by presenting selected examples of MTI applied to monitor post-construction behavior of engineering structures. The examples are from Italy and include: an earthfill dam, an off-shore vertical breakwater built to protect an oil terminal, city buildings and a highway. We also stress that the current approach to the assessment of instability hazard can be transformed by capitalizing more on the presently underexploited advantage of the MTI technique, i.e., the capability to provide regularly spatially dense quantitative information for large areas where engineering infrastructure may currently be unaffected by instability, but where the terrain and infrastructure history (e.g., aging) may indicate potential for future failures.
Lingua abstractinglese
Altro abstract-
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Pagine da1
Pagine a9
Pagine totali9
RivistaInfrastructure journal
Attiva dal 1997 al 2005
Editore: Torcello, - London (58-60 Kensington St., London W8 4DB)
Paese di pubblicazione: Regno Unito
Lingua: inglese
ISSN: 1460-468X
Titolo chiave: Infrastructure journal
Titolo proprio: Infrastructure journal.
Titolo abbreviato: Infrastruct. j.
Numero volume della rivista2
Fascicolo della rivista1
Verificato da refereeSì: Internazionale
Stato della pubblicazionePublished version
Indicizzazione (in banche dati controllate)
  • ISI Web of Science (WOS) (Codice:000409249800027)
Parole chiaveRemote sensing, Satellite interferometry, Monitoring, Infrastructure instability
Link (URL, URI)-
Titolo parallelo-
Scadenza embargo-
Data di accettazione-
Note/Altre informazioni-
Strutture CNR
  • IRPI — Istituto di ricerca per la protezione idrogeologica
  • ISSIA — Istituto di studi sui sistemi intelligenti per l'automazione
Moduli/Attività/Sottoprogetti CNR
  • DTA.AD003.126.001 : VAPIT
Progetti Europei-
High resolution satellite multi temporal interferometry for monitoring infrastructure instability hazards. (documento privato )
Descrizione: Copia del articolo
Tipo documento: application/pdf