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Multi-temporal analysis of morphologic changes applying geomatic techniques: 70 years of torrential activity in the Rebaixader catchment (Central pyrenees)

Author
Núñez-Andrés, M.A.; Buill, F.; Hurlimann, M.; Abanco, C.
Type of activity
Journal article
Journal
Geomatics, natural hazards and risk
Date of publication
2019-01
Volume
10
Number
1
First page
314
Last page
335
DOI
https://doi.org/10.1080/19475705.2018.1523235 Open in new window
Project funding
Caracterization and modeling of rockfalls
Slope Mass-wasting under Climate change. Physical mechanisms, predictive modelling and possible mitigation strategies
Repository
http://hdl.handle.net/2117/126880 Open in new window
URL
https://www.tandfonline.com/doi/full/10.1080/19475705.2018.1523235 Open in new window
Abstract
The monitoring of morphologic changes in high-mountain environments is an important, but complex task. Terrestrial as well as airborne laser scanning (TLS and ALS) and digital photogrammetry (DP) using Unnamed Aerial Vehicle (UAV) can determine recent variations. In contrast, changes that occurred 20 or more years ago, need generally the application of DP and historic aerial photograph. We compared these four geomatic techniques and the resulting digital elevation models (DEM) that ranged over a...
Citation
Núñez-Andrés, M.A., Buill, F., Hurlimann, M., Abanco, C. Multi-temporal analysis of morphologic changes applying geomatic techniques: 70 years of torrential activity in the Rebaixader catchment (Central pyrenees). "Geomatics natural hazards and risk", Gener 2019, vol. 10, núm. 1, p. 314-335.
Keywords
ALS, Digital photogrammetry, Pyrenees, TLS, UAV, erosion rate
Group of research
EGEO - Geomatics Engineering
EnGeoModels - Monitoring and Modelling in Engineering Geology

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