Results 1 to 10 of about 48,351 (153)

New shear wave splitting measurements using broadband seismic data recorded by the BX seismological network in Botswana [PDF]

open access: yesData in Brief, 2023
New measurements shear-wave splitting (SWS) were determined using a teleseismic dataset from 21 broadband seismic stations belonging to the GSN-BX network in Botswana archived at IRIS-DMC.
Moikwathai Moidaki
doaj   +2 more sources

Robust Phase Association and Simultaneous Arrival Picking for Downhole Microseismic Data Using Constrained Dynamic Time Warping [PDF]

open access: yesSensors
Accurate phase association and arrival time picking are pivotal for reliable microseismic event location and source characterization. However, the complexity of downhole microseismic wavefields, arising from heterogeneous subsurface structures, variable ...
Tuo Wang   +5 more
doaj   +2 more sources

Reviews on seismic anisotropy based on shear-wave splitting in the Tibetan Plateau

open access: yes地球与行星物理论评, 2021
The research on the anisotropy of shear wave splitting in the Tibetan Plateau has been carried out for nearly 30 years, and important progress has been made in theoretical methods and practical applications. A large number of shear wave splitting results
Chenyu Huang, Lijun Chang
doaj   +1 more source

Shear-Wave Splitting Analysis Using Optimization Algorithms

open access: yesLithosphere, 2022
Shear-wave splitting (SWS) analysis is used to predict fractures in subsurface media. Specifically, two parameters relevant to SWS analysis (the azimuth of the fast shear wave and the time delay between the fast and slow shear waves) are used to quantify
Zhengtao He, Yuyong Yang, Huailai Zhou
doaj   +1 more source

Effects of Background Porosity on Seismic Anisotropy in Fractured Rocks: An Experimental Study

open access: yesApplied Sciences, 2023
Fractures are widely distributed in the subsurface and are crucial for hydrocarbon, CCS, offshore infrastructure (windfarms), and geothermal seismic surveys.
Yuangui Zhang   +3 more
doaj   +1 more source

Anisotropy Variations in the Alaska Subduction Zone Based on Shear‐Wave Splitting From Intraslab Earthquakes

open access: yesGeochemistry, Geophysics, Geosystems, 2021
Shear‐wave splitting observations can provide insight into mantle flow, due to the link between the deformation of mantle rocks and their direction‐dependent seismic wave velocities.
Cole Richards   +3 more
doaj   +1 more source

Anisotropic structure of the Australian continent

open access: yesFrontiers in Earth Science, 2023
The Australian continent preserves some of the oldest lithosphere on Earth in the Yilgarn, Pilbara, and Gawler Cratons. In this study we present shear wave splitting and Ps receiver function results at long running stations across the continent.
Andrew Birkey   +2 more
doaj   +1 more source

Seismic anisotropy of the upper mantle beneath Thailand: Tectonic setting constrained by shear-wave splitting analysis [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2020
The tectonic setting of the lithosphere and upper mantle underneath Thailand varies and changes substantially over short distances. We have mapped these variations using shear wave splitting (SWS) analysis.
Wisawet Wongwai   +3 more
doaj   +1 more source

Diurnal expansion and contraction of englacial fracture networks revealed by seismic shear wave splitting

open access: yesCommunications Earth & Environment, 2021
Daily variations in seismic S-wave anisotropy reveal the dynamic response of englacial fractures to changing meltwater supply, according to shear wave splitting measurements from a seismometer network on the Rhonegletscher, Switzerland.
Wojciech Gajek   +4 more
doaj   +1 more source

Automated shear-wave splitting analysis for single- and multi- layer anisotropic media

open access: yesSeismica, 2023
Shear-wave velocity anisotropy is present throughout the earth. The strength and orientation of anisotropy can be observed by shear-wave splitting (birefringence) accumulated between earthquake sources and receivers. Seismic deployments are getting ever
Thomas Samuel Hudson   +2 more
doaj   +1 more source

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