A multi-approach rockfall hazard assessment on a weathered granite natural rock slope
After a recent forest fire, a weathered granite rock slope located in the northwest of Spain may become increasingly susceptible to rockfalls. This study presents a multi-approach assessment of rockfall hazard, with some features deserving particular attention. First, the geomorphological context re...
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| Veröffentlicht in: | Landslides 2019-10, Vol.16 (10), p.2005-2015 |
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| container_issue | 10 |
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| container_title | Landslides |
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| creator | Pérez-Rey, Ignacio Riquelme, A. González-deSantos, L. M. Estévez-Ventosa, X. Tomás, R. Alejano, L. R. |
| description | After a recent forest fire, a weathered granite rock slope located in the northwest of Spain may become increasingly susceptible to rockfalls. This study presents a multi-approach assessment of rockfall hazard, with some features deserving particular attention. First, the geomorphological context represented by a weathered rock mass with multiple dispersed blocks presenting various potential instability mechanisms. Secondly, the presence of a hillfort behind the slope and a small village at its toe, limiting the available solutions for rockfall protection. Finally, the combination of different remote sensing techniques (unmanned aircraft system topography and light detection and ranging) with a semi-automatic geostructural analysis has been successfully applied to obtain both a 3D point cloud of the wide area under study in addition to an estimation of mean block volume for rockfall simulations. Additionally, the design and implementation of a protective measure (rock dynamic barrier) have been addressed. |
| doi_str_mv | 10.1007/s10346-019-01208-5 |
| format | Article |
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M.</creatorcontrib><creatorcontrib>Estévez-Ventosa, X.</creatorcontrib><creatorcontrib>Tomás, R.</creatorcontrib><creatorcontrib>Alejano, L. R.</creatorcontrib><title>A multi-approach rockfall hazard assessment on a weathered granite natural rock slope</title><title>Landslides</title><addtitle>Landslides</addtitle><description>After a recent forest fire, a weathered granite rock slope located in the northwest of Spain may become increasingly susceptible to rockfalls. This study presents a multi-approach assessment of rockfall hazard, with some features deserving particular attention. First, the geomorphological context represented by a weathered rock mass with multiple dispersed blocks presenting various potential instability mechanisms. Secondly, the presence of a hillfort behind the slope and a small village at its toe, limiting the available solutions for rockfall protection. 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| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Agriculture Aircraft Civil Engineering Detection Earth and Environmental Science Earth Sciences Emergency preparedness Environmental hazards Fires Forest fires Geography Geomorphology Granite Hazard assessment Lidar Measurement techniques Natural Hazards Natural slope Remote sensing Remote sensing techniques Rock falls Rock masses Rockfall Rocks Sensing techniques Slope stability Slopes Stone Technical Note Three dimensional models Topography Topography (geology) Unmanned aerial vehicles Unmanned aircraft |
| title | A multi-approach rockfall hazard assessment on a weathered granite natural rock slope |
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