Results 61 to 70 of about 215 (176)
Journal of Geophysical Research: Earth Surface, Volume 129, Issue 3, March 2024.Abstract Subsurface processes significantly influence surface dynamics in permafrost regions, necessitating utilizing diverse geophysical methods to reliably constrain permafrost characteristics. This research uses multiple geophysical techniques to explore the spatial variability of permafrost in undisturbed tundra and its degradation in disturbed ...
Ahmad Tourei +11 more
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Methodological procedure for applying geophysics to geotechnical studies in Luanda City, Angola
Minería y Geología, 2018 The use of the surface wave’s analysis in its passive and active variants was jointly assessed by the shallow seismic refraction. It allows determining dynamic parameters from the longitudinal and transverse velocities, obtained from seismic methods. For
Maria A. Pereira de Barros da Silva +3 more
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2D Near‐Surface Full‐Waveform Tomography Reveals Bedrock Controls on Critical Zone Architecture
Earth and Space Science, Volume 11, Issue 2, February 2024.Abstract For decades, seismic imaging methods have been used to study the critical zone, Earth's thin, life‐supporting skin. The vast majority of critical zone seismic studies use traveltime tomography, which poorly resolves heterogeneity at many scales relevant to near‐surface processes, therefore limiting progress in critical zone science.
B. J. Eppinger +4 more
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International Journal of Geophysics, Volume 2024, Issue 1, 2024.Road pavements undergo various environmental factors such as temperature changes, precipitation, and traffic exposure, which can lead to cracks in asphalt pavements compromising road user safety and necessitating costly repairs. To gain a deeper understanding of the mechanisms behind asphalt pavement cracking, this study proposes the utilization of the
Khalid Krami +5 more
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Advances in Civil Engineering, Volume 2024, Issue 1, 2024.Approximately 20,000 people are killed annually on average by building and infrastructure collapses and failures caused by seismic activities. In earlier times, seismic design codes and specifications set minimal requirements for life safety performance levels. Earthquakes can be thought of as recurring events in seismically active areas, with severity
Benjamin Labar +3 more
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GeosciencesA multidisciplinary approach was employed to construct a three-dimensional model of the bedrock top surface within the Palermo Plain, Sicily, Italy. This urban area is characterized by a dense and extensive built environment that largely obscures its ...
Alessandro Canzoneri +6 more
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APPLICATION OF RAYLEIGH WAVE INVERSION FOR VOID DETECTION USING MULTICHANNEL ANALYSIS OF SURFACE WAVE INVERSION (MASW) [PDF]
Geological Society of America Abstracts with Programs, 2021 Lindsey Riikola, Md. Iftekhar Alam
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Geomatics, Natural Hazards & RiskThe Landslide–Transport Interaction Corridor describes areas where road development and usage affect slope stability and are susceptible to disruption by landslide activity. Roads and highways traversing unstable slopes are not only vulnerable to damage,
Sabari Nathan Chellamuthu +1 more
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Revista Brasileira de Geofísica, 2012 This paper presents results from the MASW method (multichannel analysis of surface waves) in a hill side area of unsaturated soils in the Ubatuba City,Brazil, a site where numerous mass movements have occurred. It discusses the influence of some acquisition parameters, such as, the natural frequency of geophones and minimum and maximum offsets in ...
Sérgio Bezerra Lima Júnior +2 more
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Numerical and Experimental Seismic Characterization of Byblos Site in Lebanon
GeosciencesGeological and topographic site effects lead to variations in the spatial distribution of ground motion during large earthquakes. Despite the impact of such phenomena, they remain poorly understood.
Rita Abou Jaoude +3 more
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