Articles | Volume 18, issue 3
Nat. Hazards Earth Syst. Sci., 18, 829–845, 2018
https://doi.org/10.5194/nhess-18-829-2018

Special issue: The use of remotely piloted aircraft systems (RPAS) in monitoring...

Nat. Hazards Earth Syst. Sci., 18, 829–845, 2018
https://doi.org/10.5194/nhess-18-829-2018

Research article 15 Mar 2018

Research article | 15 Mar 2018

Active tectonics of the onshore Hengchun Fault using UAS DSM combined with ALOS PS-InSAR time series (Southern Taiwan)

Benoit Deffontaines et al.

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Cited articles

Academia Sinica GPS: available at: http://gps.earth.sinica.edu.tw/index.jsp, last access: 12 March 2018. 
Bonilla, M. G.: Summary of Quaternary faulting and elevation changes in Taiwan, Mem. Geol. Soc. China, 2, 43–55, 1976. 
Bühler, Y., Adams, M. S., Bösch, R., and Stoffel, A.: Mapping snow depth in alpine terrain with unmanned aerial systems (UASs): potential and limitations, The Cryosphere, 10, 1075–1088, https://doi.org/10.5194/tc-10-1075-2016, 2016. 
Champenois, J.: Caractérisation des déformations tectoniques inter-sismiques de l'île de Taiwan par interférométrie radar, Geophysics, Université Paris-Est, 244 pp., 2011 (some parts in French). 
Champenois, J., Deffontaines, B., Fruneau, B., Pathier, E., Lin, K. C., and Hu, J. C.: Persistent Scatterer InSAR applied to the Hengchun Peninsula (S. Taiwan), Neotectonic implications, Fringe, 2011. 
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Short summary
To better settle the location and quantify the activity of the Hengchun Fault, we integrate UAS for geomorphologic data acquisitions, photograph and morphotectonic interpretation. Then PS-InSAR results, validated with GPS and leveling data, allow characterizing and quantifying the surface displacements. We confirm the geometry, characterization and quantification of the active sinistral transpressive Hengchun fault. The potential hazards are worthy of further investigation.
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