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Remote Sensing
Volume 12
Issue 5
10.3390/rs12050809
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Article

Sentinel-1 DInSAR for Monitoring Active Landslides in Critical Infrastructures: The Case of the Rules Reservoir (Southern Spain)

by
Cristina Reyes-Carmona
1,*,
Anna Barra
2,
Jorge Pedro Galve
1,
Oriol Monserrat
2,
José Vicente Pérez-Peña
1,3,
Rosa María Mateos
4,
Davide Notti
5,
Patricia Ruano
1,6,
Agustín Millares
7,
Juan López-Vinielles
4,8 and
José Miguel Azañón
1,6
1
Departamento de Geodinámica, Universidad de Granada, Avenida del Hospicio s/n, 18010 Granada, Spain
2
Geomatics Division, Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), Avinguda Carl Friedrich Gauss 7, 08860 Castelldefels, Spain
3
Instituto Andaluz de Geofísica, Calle del Profesor Clavera 12, 18071 Granada, Spain
4
Geohazards InSAR Laboratory and Modelling Group (InSARlab), Geoscience Research Department, Geological Survey of Spain (IGME), Calle de Ríos Rosas 23, 28003 Madrid, Spain
5
Italian National Research Council, Research Institute for Geo-Hydrological Protection (CNR-IRPI), Strada delle Cacce 73, 10135 Torino, Italy
6
Instituto Andaluz de Ciencias de la Tierra (IACT-CSIC), Avenida de las Palmeras 4, 18100 Armilla, Granada, Spain
7
Instituto Interuniversitario de Investigación del Sistema Tierra en Andalucía (IISTA), Avenida del Mediterráneo s/n, 18006 Granada, Spain
8
HEMAV SL, Carrer d’Esteve Terrades 1, 08860 Castelldefels, Spain
*
Author to whom correspondence should be addressed.
Remote Sens. 2020, 12(5), 809; https://doi.org/10.3390/rs12050809
Received: 17 February 2020 / Revised: 25 February 2020 / Accepted: 27 February 2020 / Published: 3 March 2020
(This article belongs to the Special Issue Landslide Monitoring, Susceptibility, Hazard Assessment and Prediction with Remotely Sensed Big Data)
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Abstract

Landslides in reservoir contexts are a well-recognised hazard that may lead to dangerous situations regarding infrastructures and people’s safety. Satellite-based radar interferometry is proving to be a reliable method to monitor the activity of landslides in such contexts. Here, we present a DInSAR (Differential Interferometric Synthetic Aperture Radar) analysis of Sentinel-1 images that exemplifies the usefulness of the technique to recognize and monitor landslides in the Rules Reservoir (Southern Spain). The integration of DInSAR results with a comprehensive geomorphological study allowed us to understand the typology, evolution and triggering factors of three active landslides: Lorenzo-1, Rules Viaduct and El Arrecife. We could distinguish between rotational and translational landslides and, thus, we evaluated the potential hazards related to these typologies, i.e., retrogression (Lorenzo-1 and Rules Viaduct landslides) or catastrophic slope failure (El Arrecife Landslide), respectively. We also observed how changes in the water level of the reservoir influence the landslide’s behaviour. Additionally, we were able to monitor the stability of the Rules Dam as well as detect the deformation of a highway viaduct that crosses a branch of the reservoir. Overall, we consider that other techniques must be applied to continue monitoring the movements, especially in the El Arrecife Landslide, in order to avoid future structural damages and fatalities. View Full-Text
Keywords: DInSAR; Sentinel-1; reservoir safety; landslides; geomorphological mapping DInSAR; Sentinel-1; reservoir safety; landslides; geomorphological mapping
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
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MDPI and ACS Style

Reyes-Carmona, C.; Barra, A.; Galve, J.P.; Monserrat, O.; Pérez-Peña, J.V.; Mateos, R.M.; Notti, D.; Ruano, P.; Millares, A.; López-Vinielles, J.; Azañón, J.M. Sentinel-1 DInSAR for Monitoring Active Landslides in Critical Infrastructures: The Case of the Rules Reservoir (Southern Spain). Remote Sens. 2020, 12, 809. https://doi.org/10.3390/rs12050809

AMA Style

Reyes-Carmona C, Barra A, Galve JP, Monserrat O, Pérez-Peña JV, Mateos RM, Notti D, Ruano P, Millares A, López-Vinielles J, Azañón JM. Sentinel-1 DInSAR for Monitoring Active Landslides in Critical Infrastructures: The Case of the Rules Reservoir (Southern Spain). Remote Sensing. 2020; 12(5):809. https://doi.org/10.3390/rs12050809

Chicago/Turabian Style

Reyes-Carmona, Cristina, Anna Barra, Jorge P. Galve, Oriol Monserrat, José V. Pérez-Peña, Rosa M. Mateos, Davide Notti, Patricia Ruano, Agustín Millares, Juan López-Vinielles, and José M. Azañón. 2020. "Sentinel-1 DInSAR for Monitoring Active Landslides in Critical Infrastructures: The Case of the Rules Reservoir (Southern Spain)" Remote Sensing 12, no. 5: 809. https://doi.org/10.3390/rs12050809

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