Monitoring surface velocity changes of rock glaciers in the Chilean Andes using DINSAR technique with PAZ imagery

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dc.contributor.affiliationDepartamento de Ingeniería Cartográfica Geodesia y Fotogrametría
dc.contributor.affiliationEscuela Técnica Superior de Ingeniería Geodésica, Cartográfica y Topográfica
dc.contributor.affiliationGrupo de Cartografía Geoambiental y Teledetección
dc.contributor.authorVidal-Páez, Paulina Javieraes_ES
dc.contributor.authorFernández-Sarría, Alfonso
dc.contributor.authorGonzález-Bonilla, María Josées_ES
dc.contributor.authorDerauw, Dominiquees_ES
dc.contributor.authorPerez-Martinez, Waldoes_ES
dc.contributor.authorAzócar, Guillermoes_ES
dc.contributor.authorOrtega, Jaime H.es_ES
dc.contributor.funderInstituto Nacional de Tecnología Agropecuariaes_ES
dc.date.accessioned2025-04-01T10:13:23Z
dc.date.available2025-04-01T10:13:23Z
dc.date.issued2024es_ES
dc.description.abstract[EN] Vertical deformation associated with the displacement of rock glaciers in the upper Mapocho river basin, in the central Andes of Chile, was monitored using a series of PAZ radar satellite images and the DInSAR technique. Forty-one PAZ images of ascending and descending orbit were processed with the Small Baseline Subset (SBAS) technique. Regarding the obtained results, it was estimated that the vertical displacement velocity of rock glaciers between October 9, 2019 and April 22, 2021 reached up to -22 mm/year and the movement in the W-E direction ranged from -47 to 38 mm/year. This remote sensing technique is a useful tool to measure the surface displacement of rock glaciers, compared to conventional techniques such as GNSS point measurements, especially in the semi-arid Andes, which is one of the most important reservoirs of these geoforms worldwide.en_EN
dc.description.accrualMethodSes_ES
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dc.description.sponsorshipThe authors thank INTA (National Institute of Aerospace Technology) as part of PAZ-Ciencia (Scientific Exploitation of PAZ, project nr. PAZ-AO-001 050) who provided all PAZ images and the Anglo American Company who sponsored the field data collection (photographs).es_ES
dc.description.upvformatpfin2149es_ES
dc.description.upvformatpinicio2142es_ES
dc.description.volume239es_ES
dc.identifier.doi10.1016/j.procs.2024.06.402es_ES
dc.identifier.eissn1877-0509es_ES
dc.identifier.urihttps://riunet.upv.es/handle/10251/220186
dc.languageIngléses_ES
dc.publisherElsevieres_ES
dc.relation.ispartofProcedia Computer Sciencees_ES
dc.relation.pasarelaS\526453es_ES
dc.relation.projectIDinfo:eu-repo/grantAgreement/INTA//PAZ-AO-001-050/es_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.procs.2024.06.402es_ES
dc.rightsReconocimiento - No comercial - Sin obra derivada (by-nc-nd)es_ES
dc.rights.accessRightsAbiertoes_ES
dc.subjectPAZ imageses_ES
dc.subjectSBASes_ES
dc.subjectDInSARes_ES
dc.subjectRock glacieres_ES
dc.titleMonitoring surface velocity changes of rock glaciers in the Chilean Andes using DINSAR technique with PAZ imageryes_ES
dc.typeArtículoes_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersiones_ES
dspace.entity.typePublicationes_ES
person.identifier35271
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