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dc.contributor.authorGalve, Jorge Pedroes_ES
dc.contributor.authorCastañeda del Álamo, Carmenes_ES
dc.contributor.authorGutiérrez, Franciscoes_ES
dc.identifier.citationGalve JP, Castañeda C, Gutiérrez F. Railway deformation detected by DInSAR over active sinkholes in the Ebro Valley evaporite karst, Spain. Natural Hazards and Earth System Sciences Discussions 3: 3967-3981 (2015)es_ES
dc.description15 Pags.- 4 Figs.es_ES
dc.description.abstractPreviously not measured subsidence on railway tracks was detected using DInSAR displacement maps produced for the central sector of Ebro Valley (NE Spain). This area is affected by evaporite karst and the analyzed railway corridors traverse active sinkholes that produce deformations in these infrastructures. One of the railway tracks affected by slight settlements corresponds to the Madrid–Barcelona high-speed line, a transport infrastructure highly vulnerable to ground deformation processes. Our analysis based on DInSAR measurements and geomorphological surveys indicate that this line show dissolution-induced subsidence and compaction of anthropogenic deposits (infills and embankments). By using DInSAR techniques, it was also measured the significant subsidence related to the activity of sinkholes in the Castejón–Zaragoza conventional railway line. Thus, this study demonstrate that DInSAR velocity maps coupled with detailed geomorphological surveys may help in the identification of the sectors of railway tracks that may compromise the safety of travellers.es_ES
dc.description.sponsorshipThis research has been funded by the Spanish national projects CGL2010-16775, AGL2012-40100 and CGL2013-40867-P (Spanish Ministry of Economy and Competitiveness and FEDER), the Regional projects 2012/GA-LC-021 and 2012/GA LC 036 25 (DGA-La Caixa) and the European Interreg IV B SUDOE project DO-SMS-SOE1/P2/F157. Jorge Pedro Galve has been contracted under the DGA-La Caixa project. SPN maps (derived from ENVISAT and ALOS data) were produced by Altamira Information S.L. (Spain).es_ES
dc.publisherEuropean Geosciences Uniones_ES
dc.publisherCopernicus Publicationses_ES
dc.relation.isversionofPublisher's versiones_ES
dc.titleRailway deformation detected by DInSAR over active sinkholes in the Ebro Valley evaporite karst, Spaines_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
dc.contributor.funderGobierno de Aragónes_ES
dc.contributor.funderLa Caixaes_ES
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