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Open AccessArticle

Sliding Time Master Digital Image Correlation Analyses of CubeSat Images for landslide Monitoring: The Rattlesnake Hills Landslide (USA)

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Department of Earth Sciences, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
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NHAZCA S.r.l., spin-off Sapienza University of Rome, Via Vittorio Bachelet, 12, 00185, Rome, Italy
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ACEA Elabori S.p.A., Engineering Geology Division, Via Vitorchiano 165, 00189, Rome, Italy
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Author to whom correspondence should be addressed.
Remote Sens. 2020, 12(4), 592; https://doi.org/10.3390/rs12040592
Received: 30 December 2019 / Revised: 26 January 2020 / Accepted: 3 February 2020 / Published: 11 February 2020
(This article belongs to the Special Issue Remote Sensing in Engineering Geology)
Landslide monitoring is a global challenge that can take strong advantage from opportunities offered by Earth Observation (EO). The increasing availability of constellations of small satellites (e.g., CubeSats) is allowing the collection of satellite images at an incredible revisit time (daily) and good spatial resolution. Furthermore, this trend is expected to grow rapidly in the next few years. In order to explore the potential of using a long stack of images for improving the measurement of ground displacement, we developed a new procedure called STMDA (Slide Time Master Digital image correlation Analyses) that we applied to one year long stack of PlanetScope images for back analyzing the displacement pattern of the Rattlesnake Hills landslide occurred between the 2017 and 2018 in the Washington State (USA). Displacement maps and time-series of displacement of different portions of the landslide was derived, measuring velocity up to 0.5 m/week, i.e., very similar to velocities available in literature. Furthermore, STMDA showed also a good potential in denoising the time-series of displacement at the whole scale with respect to the application of standard DIC methods, thus providing displacement precision up to 0.01 pixels.
Keywords: STMDA; Digital Image Correlation; landslide; displacement monitoring; satellite images; PlanetScope; CubeSat; nano-satellite; Rattlesnake STMDA; Digital Image Correlation; landslide; displacement monitoring; satellite images; PlanetScope; CubeSat; nano-satellite; Rattlesnake
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Mazzanti, P.; Caporossi, P.; Muzi, R. Sliding Time Master Digital Image Correlation Analyses of CubeSat Images for landslide Monitoring: The Rattlesnake Hills Landslide (USA). Remote Sens. 2020, 12, 592.

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