Deformation of crust and upper mantle in central Tibet caused by the northward subduction and slab tearing of the Indian lithosphere: New evidence based on shear …
Shear-wave splitting provides insight into geodynamic processes such as lithospheric
deformation and upper mantle flow. This study presents shear wave splitting parameters …
deformation and upper mantle flow. This study presents shear wave splitting parameters …
Imaging upper mantle anisotropy with traveltime and splitting intensity observations from teleseismic shear waves: insights from tomographic reconstructions of …
Teleseismic traveltime tomography remains one of the most popular methods for obtaining
images of Earth's upper mantle. However, despite extensive evidence for an elastically …
images of Earth's upper mantle. However, despite extensive evidence for an elastically …
Detecting a known near-surface target through application of frequency-dependent traveltime tomography and full-waveform inversion to P-and SH-wave seismic …
We have applied a combined workflow of frequency-dependent traveltime tomography
(FDTT) and full-waveform inversion (FWI) to 2D near-surface P-and SH-wave seismic data to …
(FDTT) and full-waveform inversion (FWI) to 2D near-surface P-and SH-wave seismic data to …
Focusing of melt near the top of the Mount St. Helens (USA) magma reservoir and its relationship to major volcanic eruptions
The volumes, melt fractions, and geometries of shallow magma reservoirs strongly influence
the hazards associated with volcanic regions. This study investigates these properties of the …
the hazards associated with volcanic regions. This study investigates these properties of the …
Assessing the reliability of local earthquake tomography for crustal imaging: 30 yr of records in the Western Alps as a case study
Local earthquake tomography (LET) is a popular method for inverting arrival time picks of
local-regional earthquakes for P-and S-wave velocities and hypocentre parameters in …
local-regional earthquakes for P-and S-wave velocities and hypocentre parameters in …
[PDF][PDF] 光缆布设方式对犇犃犛主, 被动源记录的影响
林融冰， 包丰， 谢军， 张宫博， 宋政宏， 曾祥方 - 地球物理学报, 2022 - researchgate.net
摘要近年来分布式光纤声波传感器在近地表结构的主, 被动源地震成像中得到了广泛应用,
前人研究发现不同布设方式光缆记录的数据质量差别较大, 有可能影响成像结果 …
前人研究发现不同布设方式光缆记录的数据质量差别较大, 有可能影响成像结果 …
Misfit function for full waveform inversion based on the Wasserstein metric with dynamic formulation
Conventional full waveform inversion (FWI) using least square distance (L 2 norm) between
the observed and predicted seismograms suffers from local minima. Recently, the …
the observed and predicted seismograms suffers from local minima. Recently, the …
Mitigating the ill-posedness of first-arrival traveltime tomography using slopes: application to the eastern Nankai Trough (Japan) OBS data set
First-arrival traveltime tomography is one of the most used velocity model building
techniques especially in sparse wide-angle acquisitions for deep crustal seismic imaging …
techniques especially in sparse wide-angle acquisitions for deep crustal seismic imaging …
Accelerating the 2+ 2+ 1 method for estimating local traveltime operators in nonlinear beamforming using GPU graphics cards
Local traveltime operators are an effective way to describe local kinematic wavefronts. They
are useful for many applications. One of them is nonlinear beamforming for enhancing the …
are useful for many applications. One of them is nonlinear beamforming for enhancing the …
Detecting an underground tunnel by applying joint traveltime and waveform inversion
Underground tunnel and void detection is a challenging geophysical problem, and many
methods have been proposed. Seismic techniques are promising because of the large …
methods have been proposed. Seismic techniques are promising because of the large …