Добірка наукової літератури з теми "3-D S-wave velocity"
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Статті в журналах з теми "3-D S-wave velocity"
Agudo, Òscar Calderón, Nuno Vieira da Silva, George Stronge, and Michael Warner. "Mitigating elastic effects in marine 3-D full-waveform inversion." Geophysical Journal International 220, no. 3 (December 18, 2019): 2089–104. http://dx.doi.org/10.1093/gji/ggz569.
Повний текст джерелаZhang, Yan, Ping Wang, and Chongbin Guo. "Low-velocity impact failure mechanism analysis of 3-D braided composites with Hilbert–Huang transform." Journal of Industrial Textiles 46, no. 5 (July 28, 2016): 1241–56. http://dx.doi.org/10.1177/1528083715619955.
Повний текст джерелаMathisen, Mark E., Paul Cunningham, Jesse Shaw, Anthony A. Vasiliou, J. H. Justice, and N. J. Guinzy. "Crosswell seismic radial survey tomograms and the 3-D interpretation of a heavy oil steamflood." GEOPHYSICS 60, no. 3 (May 1995): 651–59. http://dx.doi.org/10.1190/1.1443804.
Повний текст джерелаMovaghari, R., and G. Javan Doloei. "3-D crustal structure of the Iran plateau using phase velocity ambient noise tomography." Geophysical Journal International 220, no. 3 (December 17, 2019): 1555–68. http://dx.doi.org/10.1093/gji/ggz537.
Повний текст джерелаRowbotham, Peter S., and Neil R. Goulty. "Wavefield separation by 3-D filtering in crosshole seismic reflection processing." GEOPHYSICS 59, no. 7 (July 1994): 1065–71. http://dx.doi.org/10.1190/1.1443662.
Повний текст джерелаChen, Kai-Xun, Po-Fei Chen, Li-Wei Chen, Huajian Yao, Hongjian Fang, and Po-Li Su. "South Ilan Plain High-Resolution 3-D S-Wave Velocity from Ambient Noise Tomography." Terrestrial, Atmospheric and Oceanic Sciences 27, no. 3 (2016): 375. http://dx.doi.org/10.3319/tao.2016.01.29.02(tem).
Повний текст джерелаEarp, S., A. Curtis, X. Zhang, and F. Hansteen. "Probabilistic neural network tomography across Grane field (North Sea) from surface wave dispersion data." Geophysical Journal International 223, no. 3 (August 8, 2020): 1741–57. http://dx.doi.org/10.1093/gji/ggaa328.
Повний текст джерелаFrankel, Arthur. "Three-dimensional simulations of ground motions in the San Bernardino Valley, California, for hypothetical earthquakes on the San Andreas fault." Bulletin of the Seismological Society of America 83, no. 4 (August 1, 1993): 1020–41. http://dx.doi.org/10.1785/bssa0830041020.
Повний текст джерелаKato, Kenichi, Keiiti Aki, and Ta-Liang Teng. "3-D simulations of surface wave propagation in the Kanto sedimentary basin, Japan—part 1: Application of the surface wave Gaussian beam method." Bulletin of the Seismological Society of America 83, no. 6 (December 1, 1993): 1676–99. http://dx.doi.org/10.1785/bssa0830061676.
Повний текст джерелаPujol, Jose, and Richard Aster. "Joint hypocentral determination and the detection of low-velocity anomalies. An example from the Phlegraean Fields earthquakes." Bulletin of the Seismological Society of America 80, no. 1 (February 1, 1990): 129–39. http://dx.doi.org/10.1785/bssa0800010129.
Повний текст джерелаДисертації з теми "3-D S-wave velocity"
Lin, Cai-Yi, and 林采儀. "3-D S-Wave Velocity Structure in South China Sea." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/50865775938369652298.
Повний текст джерела國立臺灣海洋大學
應用地球科學研究所
103
The South China Sea (SCS), located at the junction of Eurasian plate, Indo-Australian plate and Pacific plate, is one of the marginal seas along the western Pacific. In the past, some studies investigated the plate features of the SCS by geophysical explorations using magnetic field, gravity, heat flow and seismic waves. For providing additional evidence in the tectonic evolution, the purpose of this study was to investigate the 3-D S-wave velocity structure in the SCS on the basis of Rayleigh-wave group and phase velocities. Earthquakes with magnitude from 5.5 to 7.0 and the focal depths of less than 100-km occurred from 1995 to 2012 at the region of 88-132E and 4S-32N were used to analyze Rayleigh-wave dispersion curves at periods of 12-150 seconds. At last, we adopted about 7000 Rayleigh-wave paths travelling across the SCS and its adjacent areas. Building a 3-D S-wave velocity structure by using surface waves requested a two-step inversion. First, the study area was divided into 375 sub-regions with each size of 22 in latitude and longitude. A block inversion with smoothing constraints, i.e., a tomographic method, was used to image 2-D maps of Rayleigh-wave group- and phase-velocity. Subsequently, the secondary inversion was to invert the S-wave velocity structure of each sub-region using its group- and phase-velocities. Finally, we combined the S-wave velocity structure of all sub-regions to construct the 3-D velocity model in the SCS. The model showed the lateral heterogeneity up to depths of 200 km, that is, the tectonic structure was complex in the crust and upper mantle under the SCS. The vertical velocity profiles along the EW-direction showed a high-velocity zone at a depth of about 50 km, which can be also found from north to south. This depth indicated the position where it is the lid of upper mantle. In additional, the crustal thickness decreased gradually toward the center of the SCS, where the crust is about 10-km-thick. The lithospheric thickness beneath the SCS is about 45-50 km. Low velocities in the Reed Bank and Dangerous Ground were related to the thick sediments; whereas the low velocity under the Tibet Plateau was in connection with its thicker crust. There are also low velocity in Sulu Sea and Central Philippine Islands, to be associated with high heat flow. The Nan-Uttaradit Suture and Sagaing Fault were also importantly geological boundaries, where the velocity differences can be obviously identified across these geological units. Along the NS-direction vertical profiles, the velocity variation in the Celebes Sea was relatively smooth than that in the Sulu Sea, in which the topography is complicated. This implied that the Sulu Sea has relatively higher action in plate tectonics than the Celebes Sea. The velocity discrepancy between the two sides of the Red-River Fault zone only was down to the crust, not to the lithosphere. For this reason, we inferred the Red-River Fault zone as a crustal fault.
Cheng, I.-Hsiu, and 鄭亦修. "3-D Multi-scale Finite-frequency Ambient Noise Rayleigh Wave Tomography of Crustal S-Wave Velocity Structure beneath Central Tibet." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/70487862466898554989.
Повний текст джерела國立臺灣大學
地質科學研究所
101
Surface wave travel-time tomography has been widely used as a powerful strategy to image shear wave velocity structure of the Earth’s crust and upper mantle. Traditionally with either ray theoretical great-circle approximations or 2-D phase kernels, phase velocity maps are first obtained at multiple frequencies. They are then combined to invert for shear wave velocity structure using 1-D depth-varying Frechet derivatives of phase velocity with respect to shear wave speed. Such approach runs short on considering the directional- and depth-dependence of scattering while surface wave propagating through laterally heterogeneous Earth. We here present a fully 3-D finite-frequency method based on the Born scattering theory in conjunction with surface-wave mode summation and apply it to regional fundamental Rayleigh wave tomography in central Tibet. Our data were collected from Hi-CLIMB array in the central Tibet during 2004-2005. Following a standard procedure to obtain empirical Green’s functions of Rayleigh waves from ambient noise cross correlation functions (CCFs) between station pairs, the phase differences between the CCFs and corresponding synthetics are measured by a multi-taper cross-spectral method. We apply the 3-D sensitivity kernels at individual frequencies convolved with the same eigentapers used in the phase measurement to conduct a 3D tomography of shear wave velocity perturbations with respect to a spherically-symmetric earth model suitable for central Tibet. A wavelet-based, multi-scale parameterization is invoked in the tomographic inversion to deal with the intrinsic problem of unevenly distributed data and resolve the structure with data-adaptive spectral and spatial resolutions. The result shows that the crust is generally slower to the north of the Bangong-Nujiang Suture (BNS) in marked contrast to the south with higher speeds. The absence of pervasive low velocity anomalies in the mid-to-lower crust indicates that the ductile channel flow of the lower crust may be inactive beneath southern Tibet. The model resolution in the lithospheric mantle can be improved by integrating longer-period surface data from distant earthquakes, which will yield better constrains on the geodynamic process of the Himalayan-Tibetan orogeny.
Тези доповідей конференцій з теми "3-D S-wave velocity"
Sugimoto, Yoshihiro, Genyuu Kobayashi, Yutaka Mamada, and Hideaki Tsutsumi. "Construction of 3-D S-wave velocity model by joint inversion method." In Proceedings of the 11th SEGJ International Symposium, Yokohama, Japan, 18-21 November 2013. Society of Exploration Geophysicists, 2013. http://dx.doi.org/10.1190/segj112013-134.
Повний текст джерелаZhang, Sheguang, Daniel Liut, Kenneth Weems, and Woei-Min Lin. "A 3-D Finite Volume Method for Green Water Calculations." In ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2005. http://dx.doi.org/10.1115/omae2005-67318.
Повний текст джерелаCulverhouse, D., P. St J. Russell, and F. Farahi. "Forward-stimulated Brillouin scattering at 514.5 nm in dual-mode single-core fiber." In Integrated Photonics Research. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/ipr.1990.mc6.
Повний текст джерелаChen, Hua, Strong Guo, Xiao-Cheng Zhu, Zhao-Hui Du, and Stone Zhao. "Numerical Simulations of Onset of Volute Stall Inside a Centrifugal Compressor." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-50036.
Повний текст джерелаYamamoto, Yoshihito, Soichiro Okazaki, Hikaru Nakamura, Masuhiro Beppu, and Taiki Shibata. "Crack Propagation and Local Failure Simulation of Reinforced Concrete Subjected to Projectile Impact Using RBSM." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-54969.
Повний текст джерелаJohansen, Per Michael, and Arne Skov Jensen. "Dynamics of Magnetophotorefractive Wave Mixing." In Photorefractive Materials, Effects, and Devices II. Washington, D.C.: Optica Publishing Group, 1993. http://dx.doi.org/10.1364/pmed.1993.fre.1.
Повний текст джерелаZhao, Jiyun, Pradip Saha, and Mujid S. Kazimi. "One Dimensional Thermal-Hydraulic Stability Analysis of Supercritical Fluid Cooled Reactors." In 12th International Conference on Nuclear Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/icone12-49075.
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