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Technical Note

Integration of Satellite Interferometric Data in Civil Protection Strategies for Landslide Studies at a Regional Scale

1
Earth Sciences Department, University of Firenze, Via La Pira 4, 50121 Firenze, Italy
2
Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA), Geomatics Division, Av. Gauss, 7, E-08860 Castelldefels, Barcelona, Spain
3
Regione Autonoma Valle D’Aosta, Assessorato Opere Pubbliche, Difesa del Suolo e Edilizia Residenziale Pubblica. Loc. Amérique, 11020 Quart, Italy
4
Geosciences Department, University of Padova, Via G. Gradenigo n.6, 35131 Padova, Italy
*
Author to whom correspondence should be addressed.
Academic Editors: Anna Giacomini and Balázs Székely
Remote Sens. 2021, 13(10), 1881; https://doi.org/10.3390/rs13101881
Received: 22 March 2021 / Revised: 7 May 2021 / Accepted: 10 May 2021 / Published: 11 May 2021
(This article belongs to the Special Issue Remote Sensing for Landslide Monitoring, Mapping and Modeling)
Multi-Temporal Satellite Interferometry (MTInSAR) is gradually evolving from being a tool developed by the scientific community exclusively for research purposes to a real operational technique that can meet the needs of different users involved in geohazard mitigation. This work aims at showing the innovative operational use of satellite radar interferometric products in Civil Protection Authority (CPA) practices for monitoring slow-moving landslides. We present the example of the successful ongoing monitoring system in the Valle D’Aosta Region (VAR-Northern Italy). This system exploits well-combined MTInSAR products and ground-based instruments for landslide management and mitigation strategies over the whole regional territory. Due to the critical intrinsic constraints of MTInSAR data, a robust regional satellite monitoring integrated into CPA practices requires the support of both in situ measurements and remotely sensed systems to guarantee the completeness and reliability of information. The monitoring network comprises three levels of analysis: Knowledge monitoring, Control monitoring, and Emergency monitoring. At the first monitoring level, MTInSAR data are used for the preliminary evaluation of the deformation scenario at a regional scale. At the second monitoring level, MTInSAR products support the prompt detection of trend variations of radar benchmarks displacements with bi-weekly temporal frequency to identify active critical situations where follow-up studies must be carried out. In the third monitoring level, MTInSAR data integrated with ground-based data are exploited to confirm active slow-moving deformations detected by on-site instruments. At this level, MTInSAR data are also used to carry out back analysis that cannot be performed by any other tool. From the example of the Valle D’Aosta Region integrated monitoring network, which is one of the few examples of this kind around Europe, it is evident that MTInSAR provides a great opportunity to improve monitoring capabilities within CPA activities. View Full-Text
Keywords: satellite interferometry; civil protection; monitoring network; Valle D’Aosta Region satellite interferometry; civil protection; monitoring network; Valle D’Aosta Region
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MDPI and ACS Style

Bianchini, S.; Solari, L.; Bertolo, D.; Thuegaz, P.; Catani, F. Integration of Satellite Interferometric Data in Civil Protection Strategies for Landslide Studies at a Regional Scale. Remote Sens. 2021, 13, 1881. https://doi.org/10.3390/rs13101881

AMA Style

Bianchini S, Solari L, Bertolo D, Thuegaz P, Catani F. Integration of Satellite Interferometric Data in Civil Protection Strategies for Landslide Studies at a Regional Scale. Remote Sensing. 2021; 13(10):1881. https://doi.org/10.3390/rs13101881

Chicago/Turabian Style

Bianchini, Silvia, Lorenzo Solari, Davide Bertolo, Patrick Thuegaz, and Filippo Catani. 2021. "Integration of Satellite Interferometric Data in Civil Protection Strategies for Landslide Studies at a Regional Scale" Remote Sensing 13, no. 10: 1881. https://doi.org/10.3390/rs13101881

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