Multiple geophysical techniques for investigation and monitoring of Sobradinho Landslide, Brazil

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Autor(es): dc.contributorUniversity of Brasilia-
Autor(es): dc.contributorClemson University-
Autor(es): dc.contributorNational Autonomous University of Mexico-
Autor(es): dc.contributorUniversity of Rome Sapienza-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.contributorUniversity of Derby-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorNational University of Colombia at Medellin-
Autor(es): dc.creatorHussain, Yawar-
Autor(es): dc.creatorCardenas-Soto, Martin-
Autor(es): dc.creatorMartino, Salvatore-
Autor(es): dc.creatorMoreira, Cesar [UNESP]-
Autor(es): dc.creatorBorges, Welitom-
Autor(es): dc.creatorHamza, Omar-
Autor(es): dc.creatorPrado, Renato-
Autor(es): dc.creatorUagoda, Rogerio-
Autor(es): dc.creatorRodríguez-Rebolledo, Juan-
Autor(es): dc.creatorSilva, Rafael Cerqueira-
Autor(es): dc.creatorMartinez-Carvajal, Hernan-
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Descrição: dc.descriptionGeophysical methods have a varying degree of potential for detailed characterization of landslides and their dynamics. In this study, the application of four well-established seismic-based geophysical techniques, namely Ambient Noise Interferometry (ANI), Horizontal to Vertical Spectral Ratio (HVSR), Multi-Channel Analysis of Surface Waves (MASW) and Nanoseismic Monitoring (NM), were considered to examine their suitability for landslide characterization and monitoring the effect of seasonal variation on slope mass. Furthermore, other methods such as Ground Penetrating Radar (GPR) and DC Resistivity through Electrical Resistivity Tomography (ERT) were also used for comparison purpose. The advantages and limitations of these multiple techniques were exemplified by a case study conducted on Sobradinho landslide in Brazil. The study revealed that the geophysical characterization of the landslide using traditional techniques (i.e., GPR, ERT and MASW) were successful in (i) the differentiation between landslide debris and other Quaternary deposits, and (ii) the delineation of the landslide sliding surface. However, the innovative seismic based techniques, particularly ambient noise based (HVSR and ANI) and emitted seismic based (NM), were not very effective for the dynamic monitoring of landslide, which might be attributed to the short-time duration of the data acquisition campaigns. The HVSR was also unsuccessful in landslide site characterization i.e., identification of geometry and sliding surface. In particular, there was no clear evidence of the light seasonal variations, which could have been potentially detected from the physical parameters during the (short-time) ambient noise and microseismic acquisition campaigns. Nevertheless, the experienced integration of these geophysical techniques may provide a promising tool for future applications.-
Descrição: dc.descriptionDepartment of Civil and Environmental Engineering University of Brasilia-
Descrição: dc.descriptionEnvironmental Engineering and Earth Sciences Clemson University-
Descrição: dc.descriptionEngineering Faculty National Autonomous University of Mexico-
Descrição: dc.descriptionDepartment of Earth Sciences and Research Center for Geological Risks (CERI) University of Rome Sapienza-
Descrição: dc.descriptionInstitute of Geoscience and Exact Science São Paulo State University (UNESP)-
Descrição: dc.descriptionInstitute of Geosciences University of Brasilia-
Descrição: dc.descriptionCollege of Engineering and Technology University of Derby-
Descrição: dc.descriptionInstitute of Astronomy São Paulo University (USP), Geophysics and Atmospheric Sciences-
Descrição: dc.descriptionDepartment of Geography University of Brasilia-
Descrição: dc.descriptionFaculty of Mines National University of Colombia at Medellin-
Descrição: dc.descriptionInstitute of Geoscience and Exact Science São Paulo State University (UNESP)-
Idioma: dc.languageen-
Relação: dc.relationSustainability (Switzerland)-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectGeophysical investigation-
Palavras-chave: dc.subjectLandslide dynamic-
Palavras-chave: dc.subjectSlope mass-
Título: dc.titleMultiple geophysical techniques for investigation and monitoring of Sobradinho Landslide, Brazil-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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