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Development of novel velocity–resistivity relationships for granitic terrains based on complex collocated geotomographic modeling and supervised statistical analysis
The significance of velocity–resistivity relationships has been utilized in various geologic terrains and under different conditions. The approach is...
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Detections of ultralow velocity zones in high-velocity lowermost mantle linked to subducted slabs
Ultralow velocity zones revealed by seismological observations at the core–mantle boundary lend clues to the physico-chemical characteristics and...
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Hybrid Methods for Computing the Streamfunction and Velocity Potential for Complex Flow Fields over Mesoscale Domains
Three types of previously used numerical methods are revisited for computing the streamfunction ψ and velocity potential χ from the horizontal...
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Application of the Refraction and Reflection Joint Tomography in the Pre-stack Depth Migration Velocity Modeling Under the Complex Near-Surface Condition
The near-surface situation of Sichuan Basin is very complicated, and the elevation difference is large. Even in the flat area of central Sichuan, the...
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Velocity Structure of the Upper Crust and Its Geological Significance in the Jiaodong Area, China
AbstractWe determined the velocity structure of the upper crust in the Jiaodong area using double difference seismic tomography, and found that the...
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Near-surface characterization and delineation of 2-D shear wave velocity profile from geologically complex landscape of Kangra Valley, NW Himalaya, India
The geotechnical characterization for delineating stiffness parameters is important to aid safe engineering foundations. The Multichannel Analysis of...
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Shear-wave velocity models in and around north-east India by modelling Rayleigh wave group velocity dispersion data
Rayleigh wave group velocity dispersion data of moderate magnitude (Mw 5.4) earthquake of Assam, North-East (NE) India, is used to retrieve regional...
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Study on acoustic velocity dispersion of carbonate rock and extrapolation of the velocity
At present, a series of petrophysical experimental studies have been carried out on the velocity dispersion and attenuation caused by wave induced...
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P-, S-wave velocity and VP/VS of the Colima Volcanic Complex from local earthquake tomography
The Colima Volcanic Complex (CVC), located in western Mexico, is a complex tectonic area dominated by subduction processes and the deformation and...
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Three dimensional velocity model and its tectonic implications at China Seismic Experimental Site, eastern margin of the Tibetan Plateau
The China Seismic Experimental Site (CSES) is located at the intersection of the Tibetan Plateau, South China Block, and Indian Plate and has complex...
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Machine learning approach for GNSS geodetic velocity estimation
This study aimed to investigate the performance of machine learning (ML) algorithms in determining horizontal velocity at specific points using the...
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Effect of the Velocity of Rotation on the Constitutive Equations for Geomedia
AbstractThe author focuses on complex loading of a granular material at continuous rotation of the principal strain axes. The described testing...
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Diverse slip behaviour of velocity-weakening fault barriers
Seismic barriers are fault portions that promote earthquake rupture arrest and fault segmentation. Despite their fundamental role in controlling the...
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Relationship between stress field and apparent velocity and Poisson ratio fields
Stress field movements result directly from earthquakes; therefore, observing the stress field is significant. Experiments on the relationships among...
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An improved constrained velocity inversion algorithm for geological structures
In complex geological regions, owing to complex structures and various small-scale local geological bodies, the conventional initial migration layer...
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One-dimensional regional shear velocity structure from joint inversion of fundamental mode group velocity dispersion measurements of Love and Rayleigh waves: application to the Uttarakhand Himalaya
Between 2017 and 2019, the CSIR-NGRI, Hyderabad, Telangana, established a broad-band seismic-network with fifty-five 3-component broadband...
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Self-cleansing velocity in upward three-phase steady pipe-flow
The solids transport and the conditions required to begin the transport of granular particles, or to avoid their deposition, in three-phase turbulent...
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Estimation of phase velocity using array observation of microtremors with arbitrary shape
AbstractTo estimate the phase velocity using the array observations of microtremors, some algorithms for the estimation include constraints on the...
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Segregation of a thermochemical anomaly and coalescence with a large low-velocity province
Thermochemical anomalies on the core–mantle boundary, including the Africa and Pacific large low-velocity provinces, exert a first-order control on...
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An Inverted Heterogeneous Velocity Model for Microseismic Source Location in Deep Buried Tunnels
Microseismic (MS) monitoring is an effective and widely applied technology for early warning and prevention of rockburst disasters in deeply buried...
