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Title: Measuring deformation related to active sinkholes with ground-based 3D laser scanner. A case study in the evaporite karst of the Ebro Valley, NE Spain
Authors: Benito-Calvo, Alfonso
Gutiérrez, Francisco Javier
Carbonel, Domingo
Desir, Gloria
Guerrero, Jesús
Magri, O.
Karampaglidis, Theodoros
Fabregat González, Iván
Keywords: 3D monitoring;Early warning;Subsidence rates
Issue Date: 2016
Publisher: Instituto Geológico y Minero de España
Citation: Comprendiendo el relieve: del pasado al futuro. Actas de la XIV Reunión Nacional de Geomorfología, Málaga, 2016, p. 599-606
Series/Report no.: Geología y Geofísica; 5
Abstract: The investigations dealing with subsidence monitoring in active sinkholes are very scarce, especially when compared with other ground instability phenomena such as landslides. Recently, satisfactory results have been obtained utilizing some relatively new geodetic techniques such as airborne LiDAR (Light Detection And Ranging) and DInSAR (Differential Synthetic Aperture Radar Interferometry). In this work, carried out in the mantled evaporite karst of the Ebro Valley, NE Spain, we explore the potential of ground-based 3D laser scanner for the detailed characterisation of subsidence activity in specific sinkholes. The practicality of the approach is illustrated through a sinkhole in Alcalá village, which affects a flood-control dike of the Ebro River. This sinkhole with recurrent collapse activity significantly contributes to reduce the mechanical strength of the embankment, leading to high-risk situations during flood events.
ISBN: 978-84-9138-013-9
Type: Book chapter
Appears in Collections:Cartografía Digital y Análisis 3D
Geocronología y Geología

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