Thematische Bibliographien / Seismic surface waves

Inhaltsverzeichnis

  1. Zeitschriftenartikel
  2. Dissertationen
  3. Bücher
  4. Buchteile
  5. Konferenzberichte
  6. Berichte der Organisationen

Auswahl der wissenschaftlichen Literatur zum Thema „Seismic surface waves“

Autor: Grafiati
Veröffentlicht am 28. Juni 2021
Zuletzt aktualisiert am 22. Februar 2025

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Zeitschriftenartikel zum Thema "Seismic surface waves"

1

Campman, X., K. van Wijk, C. D. Riyanti, J. Scales und G. Herman. „Imaging scattered seismic surface waves“. Near Surface Geophysics 2, Nr. 4 (01.08.2004): 223–30. http://dx.doi.org/10.3997/1873-0604.2004019.

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Ilchenko, V. V., M. M. Nikiforov, V. S. Mostovoy, B. O. Popkov, V. M. Loza O.L. und O. L. Kulskyi. „PECULIARITIES OF APPLICATION OF SEISMOACOUSTIC LOCATION FOR DETERMINATION OF MOVING OBJECTS“. Collection of scientific works of the Military Institute of Kyiv National Taras Shevchenko University, Nr. 74 (2022): 21–30. http://dx.doi.org/10.17721/2519-481x/2022/74-03.

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The work is related to the study of surface waves in solving seismic acoustic location problems during the movement of moving objects, and in assessing the accuracy of determining the coordinates of moving objects of different origins. In solving the inverse problems of seismic acoustic location, the surfaces of the wave that occur on the Earth's surface during the movement of a moving object are studied. The accuracy of the solution of the inverse problem directly depends on the errors: determination of the time of entry of the seismic acoustic wave, the velocity characteristics of the environment, noise of various origins, the choice of the geometry of the location of sensors. The need to study surface waves, namely Rayleigh Waves and Lion Waves, is justified because they propagate on the Earth's surface. The plane of oscillation of Rayleigh waves is vertical to the Earth's surface and direction of propagation, and Lev waves have a horizontal plane of oscillation. As one of the considered problems of seismic acoustic location as a source of energy of a moving object, we take seismic energy, which occurs during human walking. Human walking is periodic. It excites impulses of displacement in the geological environment. According to the known coefficient of rigidity of the medium, it is possible to determine what will be the maximum deviation of the seismic receiver. The paper investigates surface waves, Rayleigh and Lev in solving seismic acoustic location problems during human movement, and identifies factors that affect the accuracy of determining the coordinates of a moving object. In terms of using surface waves to solve seismic location problems to identify moving objects, they have the following advantages: the energy of these waves does not disappear deep into the Earth, but propagates below its surface; their formation takes more than 60% of the energy of the source, and the formation of deep waves only 8%, such waves have much more energy; From this it can be concluded that even at low energies of the excitation source surface waves can be used to solve seismic location problems during the movement of moving objects and to assess the accuracy of determining the coordinates of these objects.
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Halliday, David F., Andrew Curtis, Johan O. A. Robertsson und Dirk-Jan van Manen. „Interferometric surface-wave isolation and removal“. GEOPHYSICS 72, Nr. 5 (September 2007): A69—A73. http://dx.doi.org/10.1190/1.2761967.

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The removal of surface waves (ground roll) from land seismic data is critical in seismic processing because these waves tend to mask informative body-wave arrivals. Removal becomes difficult when surface waves are scattered, and data quality is often impaired. We apply a method of seismic interferometry, using both sources and receivers at the surface, to estimate the surface-wave component of the Green’s function between any two points. These estimates are subtracted adaptively from seismic survey data, providing a new method of ground-roll removal that is not limited to nonscattering regions.
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Apostol, Bogdan Felix. „Seismological Problem, Seismic Waves and the Seismic Mainshock“. Mathematics 11, Nr. 17 (02.09.2023): 3777. http://dx.doi.org/10.3390/math11173777.

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The elastic wave equation with seismic tensorial force is solved in a homogeneous and isotropic medium (the Earth). Spherical-shell waves are obtained, which are associated to the primary P and S seismic waves. It is shown that these waves produce secondary waves with sources on the plane surface of a half-space, which have the form of abrupt walls with a long tail, propagating in the interior and on the surface of the half-space. These secondary waves are associated to the seismic mainshock. The results, previously reported, are re-derived using Fourier transformations and specific regularization procedures. The relevance of this seismic motion for the ground motion, the seismographs’ recordings and the effect of the inhomogeneities in the medium are discussed.
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Hartono, Hartono, Haerul Anwar, Rofiqul Umam und Hirotaka Takahashi. „An unsupervised machine learning algorithm approach using K-Means Clustering for optimizing Surface Wave Filtering in seismic reflection data“. Journal of Natural Sciences and Mathematics Research 10, Nr. 1 (31.07.2024): 114–27. http://dx.doi.org/10.21580/jnsmr.v10i1.22399.

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Surface waves often cause significant noise in seismic data, complicating the interpretation of subsurface structures. Traditional filtering methods, such as FK filtering, usually struggle with non-stationary noise and require extensive manual parameter tuning. This study explores the effectiveness of using K-means clustering, incorporating attributes such as amplitude, frequency, and phase to filter surface waves from seismic data. Synthetic seismic data were first generated to test the proposed method, ensuring its robustness before application to real field data. Attributes were extracted from each seismic trace, including instantaneous amplitude, frequency, and phase. These attributes were used as input parameters for the K-means clustering algorithm. The identified clusters corresponding to surface waves were then used to filter these waves from the seismic data. The K-Means clustering effectively differentiated surface waves from reflected waves in both synthetic and real seismic datasets. The method demonstrated that by including phase as an attribute, alongside amplitude and frequency, the accuracy of surface wave detection and filtering significantly improved. The synthetic data showed a clear separation of wave types, validating the method. When applied to real field data, the approach consistently removed surface waves, clarity of seismic reflections crucial for subsurface analysis.
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Apostol, Bogdan Felix. „Near-Field Seismic Motion: Waves, Deformations and Seismic Moment“. Axioms 11, Nr. 8 (17.08.2022): 409. http://dx.doi.org/10.3390/axioms11080409.

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The tensorial force acting in a localized seismic focus is introduced and the corresponding seismic waves are derived, as solutions of the elastic wave equation in a homogeneous and isotropic body. The deconvolution of the solution for a structured focal region is briefly discussed. The far-field waves are identified as P and S seismic waves. These are spherical-shell waves, with a scissor-like shape, and an amplitude decreasing with the inverse of the distance. The near-field seismic waves are spherical-shell waves, decreasing with the inverse of the squared distance. The amplitudes and the polarizations of the near-field seismic waves are given. The determination of the seismic-moment tensor and the earthquake parameters from measurements of the P and S seismic waves at Earth’s’ surface is briefly discussed. Similarly, the mainshock generated by secondary waves on Earth’s surface is reviewed. The near-field static deformations of a homogeneous and isotropic half-space are discussed and a method of determining the seismic-moment tensor from epicentral near-field (quasi-) static deformations in seismogenic regions is presented.
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Irie, Kiyoshi, Dorjpalam Saruul, Kazuo Dan und Haruhiko Torita. „Evaluation of the Strong Ground Motions in the Area Close to the Surface Faults“. Journal of Earthquake and Tsunami 12, Nr. 04 (Oktober 2018): 1841002. http://dx.doi.org/10.1142/s1793431118410026.

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In Japan, the seismic waves radiated from the fault in the surface layers above the seismogenic layer are not considered in the usual strong motion prediction. However, in the inland crustal earthquakes, the strong ground motions in the areas close to the surface faults could be influenced by the seismic waves radiated from the fault in the surface layers. Hence, we evaluated the seismic waves radiated from vertical strike-slip and dipping reverse faults in the surface layers to investigate their influence on the strong motions. The results of the strike-slip fault showed that the seismic waves of the fault normal (FN) component were larger than those of the fault parallel (FP) component in the period range of 0.5–5 s. At least, 80–90% of the FN component was attributed to the seismic wave radiated from the fault in the seismogenic layer. Almost 100% of the FP component was attributed to the seismic waves radiated from the fault in the surface layers. On the other hand, the results of the reverse fault showed that the seismic waves were not attributed to those from the fault in the surface layers.
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Jiang, Hui, Chunfeng Zhao, Yingjie Chen und Jian Liu. „Novel Frame-Type Seismic Surface Wave Barrier with Ultra-Low-Frequency Bandgaps for Rayleigh Waves“. Buildings 14, Nr. 8 (27.07.2024): 2328. http://dx.doi.org/10.3390/buildings14082328.

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Seismic surface waves carry significant energy that poses a major threat to structures and may trigger damage to buildings. To address this issue, the implementation of periodic barriers around structures has proven effective in attenuating seismic waves and minimizing structural dynamic response. This paper introduces a framework for seismic surface wave barriers designed to generate multiple ultra-low-frequency band gaps. The framework employs the finite-element method to compute the frequency band gap of the barrier, enabling a deeper understanding of the generation mechanism of the frequency band gap based on vibrational modes. Subsequently, the transmission rates of elastic waves through a ten-period barrier were evaluated through frequency–domain analysis. The attentional effects of the barriers were investigated by the time history analysis using site seismic waves. Moreover, the influence of the soil damping and material damping are separately discussed, further enhancing the assessment. The results demonstrate the present barrier can generate low-frequency band gaps and effectively attenuate seismic surface waves. These band gaps cover the primary frequencies of seismic surface waves, showing notable attenuation capabilities. In addition, the soil damping significantly contributes to the attenuation of seismic surface waves, resulting in an attenuation rate of 50%. There is promising potential for the application of this novel isolation technology in seismic engineering practice.
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Xu, Jixiang, Shitai Dong, Huajuan Cui, Yan Zhang, Ying Hu und Xiping Sun. „Near-surface scattered waves enhancement with source-receiver interferometry“. GEOPHYSICS 83, Nr. 6 (01.11.2018): Q49—Q69. http://dx.doi.org/10.1190/geo2017-0806.1.

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Near-surface scattered waves (NSWs) are the main noise in seismic data in areas with a complex near surface and can be divided into surface-to-surface scattered waves and body-to-surface scattered waves. We have developed a method for NSW enhancement that uses modified source-receiver interferometry. The method consists of two parts. First, deconvolutional intersource interferometry is used to cancel the common raypath of seismic waves from a near-surface scatterer to the common receiver and the receiver function. Second, convolutional interreceiver interferometry is used to compensate the common raypath of seismic waves from the common source to the near-surface scatterer and the source function. For an isotropic point scatterer near the earth’s surface in modified source-receiver interferometry, a body-to-surface scattered wave can be reconstructed by constructive interference not only among three body-to-surface scattered waves but also among a body-to-surface scattered wave and two surface-to-surface scattered waves; a surface-to-surface scattered wave can be reconstructed by constructive interference not only among three surface-to-surface scattered waves but also among a surface-to-surface scattered wave and two body-to-surface scattered waves. According to stationary phase analysis based on the superposition principle, we have developed a so-called dual-wheel driving configuration of modified source-receiver interferometry for enhancing NSWs in the data of conventional seismic exploration. The main advantages of the scheme are that (1) it can be used to enhance NSWs without the need for any a priori knowledge of topography and near-surface velocity, (2) it can be used to reconstruct NSWs from real sources to real receivers, including 3D near-surface side-scattered waves, and (3) it can be applied to conventional seismic data with finite-frequency bandwidth, spatially limited and sparse arrays, different source and receiver functions, and static correction. Numerically simulated data and field seismic data are used to demonstrate the feasibility and effectiveness of the scheme.
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Zeng, Yi, Liyun Cao, Sheng Wan, Tong Guo, Shuowei An, Yan-Feng Wang, Qiu-Jiao Du, Brice Vincent, Yue-Sheng Wang und Badreddine Assouar. „Inertially amplified seismic metamaterial with an ultra-low-frequency bandgap“. Applied Physics Letters 121, Nr. 8 (22.08.2022): 081701. http://dx.doi.org/10.1063/5.0102821.

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In last two decades, it has been theoretically and experimentally demonstrated that seismic metamaterials are capable of isolating seismic surface waves. Inertial amplification mechanisms with small mass have been proposed to design metamaterials to isolate elastic waves in rods, beams, and plates at low frequencies. In this Letter, we propose an alternative type of seismic metamaterial providing an ultra-low-frequency bandgap induced by inertial amplification. A unique kind of inertially amplified metamaterial is first conceived and designed. Its bandgap characteristics for flexural waves are then numerically and experimentally demonstrated. Finally, the embedded inertial amplification mechanism is introduced on a soil substrate to design a seismic metamaterial capable of strongly attenuating seismic surface waves around a frequency of 4 Hz. This work provides a promising alternative way to conceive seismic metamaterials to steer and control surface waves.
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Dissertationen zum Thema "Seismic surface waves"

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Carter, Andrew James. „Seismic waves from surface seismic reflection surveys : an exploration tool?“ Thesis, University of Leeds, 2003. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.633653.

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Hebeler, Gregory L. „Site characterization in Shelby County, Tennessee using advanced surface wave methods“. Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/20996.

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Ferreira, Ana Margarida Godinho. „Seismic surface waves in the laterally heterogeneous Earth“. Thesis, University of Oxford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.426406.

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Ronda, Afonso Jose. „Railway formation condition assessment using seismic surface waves“. Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/66239.

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The demands of railway transport have been changing over the 150 years of existence of this type of transport in South Africa, specifically the performance requirements of the formation to cater for new traffic requirements. As such, it is important to assess the condition of this vital part of a railway track. This dissertation covers a research project conducted on two railway lines in which measurements of ground vibration were conducted in order to perform geophysical analysis and characterise the formation based on the results obtained. Measurements were taken on a 26 ton axle load track (Coal line, at Bloubank) and on a 20 ton axle load track (at Amandelbult) in South Africa. Planning and implementation of several test procedures to characterise track formation require considerable effort to minimize the impact on railway operations. Coupled with track occupation and the destructive nature of some of the test procedures, it is relevant to investigate alternative testing techniques to address the issues stated above. The use of surface waves for geotechnical characterization of sites is increasing worldwide. Applications to railway engineering have so far been limited to light load, high speed lines to minimize the use of poor geomaterials with reduced Rayleigh wave velocity. Four sites were identified where trains are operated at heavy loads, with the formation condition varying from poor to good. Seismic testing (geophysical) and conventional testing (deflection measurements) were performed at the identified sites. Seismic measurements were recorded using geophones as receivers, coupled to an amplifier and a computer. The source of the seismic events was the trains operating on the track and a hammer for impact testing. For the deflection measurements, the Remote Video Monitoring (RVM) technique was adopted. Dispersion analysis of the ground vibration experimental data was conducted using the multiple receiver method. The main conclusions reached with the analysis indicated that: __ Dispersion analysis had a good correlation with the formation deflection analysis; __ Phase velocity can be used as an indicator of the quality of a certain site; __ There are limitations when using trains as the energy source in terms of the generation of excitation frequency, which greatly reduces the phase velocity information in individual layers in the formation (i.e. wavelengths are not short enough).
Dissertation (MSc)--University of Pretoria, 2016.
Civil Engineering
MSc
Unrestricted
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BIGNARDI, Samuel. „Complete Waveform Inversion Approach To Seismic Surface Waves And Adjoint Active Surfaces“. Doctoral thesis, Università degli studi di Ferrara, 2011. http://hdl.handle.net/11392/2388824.

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The idea to exploit the dispersive mechanism of surface waves as a probing tool for investigating subsurface structure was introduced about 30 years ago, and afterwards a very intense research field has developed. Currently many methods known generally as Surface Wave Methods exist, and are well established, most of them assuming layered or depth dependent ground models. In most cases the parallel layer assumption is correct because the soil structure is expected to negligibly depart from a layered structure at a typical surface testing scale for engineering and geotechnical purposes however to exploit the amount of information achievable, it is necessary to extend the research, relaxing at least one of the underlying model assumptions. Indeed in classical SWM’s, surface waves are assumed to be Rayleigh waves, this means that a parallel layered model has been implicitly assumed. As a consequence search for a soil model geometry other than the assumed one can only result in slight perturbations. The only possible deduction is that overcoming limitations of layered models requires to exploit P and S waves which are indeed general solutions of the elastodynamic problem. Geometry can then be retrived by a complete waveform inversion based on a forward model capable of successfully reproducing all of the features of the displacement field in presence of complex scattering phenomena. In this research effort an inversion approach has been introduced which exploits the Boundary Element Method as forward model. Such approach is appealing from a theoretical point of view and is computationally efficient. Although in the present work a monochromatic signal traveling in a system constituted by a layer over an half space was investigated, this method is suitable for any number of layers, and multi-frequency environments. The boundary element approach can be easily generalized to three-dimensional modeling; moreover viscoelasticity can be introduced by the elasticviscoelastic principle of correspondence. Finally BEM can be easily implemented for parallel computing architecture. Synthetic cases of high and low impedance Jump were investigated for typical SWM setups and a first example of application on real data was performed. Finally an elegant analytic form of the minimization flow named Adjoint Active Surfaces was obtained combining Computer Vision technique of Active surfaces and the Adjoint Field method.
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Malladi, Subrahmanya Sastry Venkata. „Modeling and Algorithm Performance For Seismic Surface Wave Velocity Estimation“. University of Akron / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=akron1194630399.

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Hwang, Sukyeon. „Acoustic seismic modeling in the slowness-time intercept domain /“. Access abstract and link to full text, 1993. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/9318174.

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Schlottmann, Robert Brian. „A path integral formulation of elastic wave propagation /“. Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004372.

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Fox, Benjamin Daniel. „Seismic source parameter determination using regional intermediate-period surface waves“. Thesis, University of Oxford, 2007. http://ora.ox.ac.uk/objects/uuid:6b89e41d-8dd0-4286-9bf0-d22c4a349bb7.

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In general, the depths of shallow earthquakes are poorly resolved in current catalogues. Variations in depth of ±10 km can significantly alter the tectonic interpretation of such earthquakes. If the depth of a seismic event is in error then moment tensor estimates can also be significantly altered. In the context of nuclear-test-ban monitoring, a seismic event whose depth can be confidently shown to exceed say, 10km, is unlikely to be an explosion. Surface wave excitation is sensitive to source depth, especially at intermediate and short periods, owing to the approximate exponential decay of surface wave displacements with depth. The radiation pattern and amplitude of surface waves are controlled by the depth variations in the six components of the strain tensor associated with the surface wave eigenfunctions. The potential exists, therefore, for improvements to be made to depth and moment tensor estimates by analysing surface wave amplitudes and radiation patterns. A new method is developed to better constrain seismic source parameters by analysing 100-20s period amplitude spectra of fundamental-mode surface waves. Synthetic amplitude spectra are generated for all double-couple sources over a suitable depth range and compared with data in a grid-search algorithm. Best fitting source parameters are calculated and appropriate bounds are placed on these results. This approach is tested and validated using a representative set of globally-distributed events. Source parameters are determined for 14 moderately-sized earthquakes (5.4 ≤ Mw ≤ 6.5), occurring in a variety of tectonic regimes with depths calculated between 4-39km. For very shallow earthquakes the use of surface wave recordings as short as 15s is shown to improve estimates of source parameters, especially depth. Analysis of aftershocks (4.8 ≤ Mw ≤ 6.0) of the 2004 great Sumatra earthquake is performed to study the depth distribution of seismicity in the region. Three distinct tectonic regimes are identified and depth estimates calculated between 3-61km, including the identification of one CMT depth estimate to be in error by some 27km.
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Rosenblad, Brent Lyndon. „Experimental and theoretical studies in support of implementing the spectral-analysis-of-surface-wave (SASW) method offshore /“. Digital version accessible at:, 2000. http://wwwlib.umi.com/cr/utexas/main.

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Bücher zum Thema "Seismic surface waves"

1

Malischewsky, Peter. Surface waves and discontinuities. Amsterdam: Elsevier, 1987.

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Isaakovich, Keĭlis-Borok Vladimir, und Levshin Anatoli L. 1932-, Hrsg. Seismic surface waves in a laterally inhomogeneous earth. Dordrecht: Kluwer Academic Publishers, 1989.

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Zuberek, Wacław M. Wykorzystanie efektu emisji sejsmoakustycznej w geotechnice =: Geotechnical applications of seismoacoustic emission. Warszawa: Państwowe Wydawn. Nauk., 1988.

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Keilis-Borok, V. I., Hrsg. Seismic Surface Waves in a Laterally Inhomogeneous Earth. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0883-3.

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D, Miller Richard. Advances in near-surface seismology and ground-penetrating radar. Tulsa, Okla: Society of Exploration Geophysicists, 2010.

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Snieder, Roel. Surface wave scattering theory: With applications to forward and inverse problems in seismology. [Utrecht]: Instituut voor Aardwetenschappen der Rijksuniversiteit te Utrecht, 1987.

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Dost, Bernard. The NARS array: A seismic experiment in Western Europe = Het NARS array : een seismisch experiment in West-Europa. [Utrecht: Instituut voor Aardwetenschappen der Rijksuniversiteit te Utrecht, 1987.

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Trofimov, M. I͡U. Primenenie lazernykh deformografov v seĭsmoakustike: Tezisy dokladov shkoly-seminara, Vladivostok, 19-21 dekabri͡a 1989 g. Vladivostok: Tikhookeanskiĭ okeanologicheskiĭ in-t DVO AN SSSR, 1989.

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International Symposium on the Effects of Surface Geology on Seismic Motion (2nd 1998 Yokohama-shi, Japan). The effects of surface geology on seismic motion: Recent progress and new horizon on ESG study. Tokyo, Japan: Association for Earthquake Disaster Prevention, 1998.

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International Symposium on the Effects of Surface Geology on Seismic Motion (2nd 1998 Yokohama, Japan). The effects of surface geology on seismic motion: Recent progress and new horizon on ESG study : proceedings of the Second International Symposium on the Effects of Surface Geology on Seismic Motion, Yokohama, Japan, 1-3 December 1998. Rotterdam: A.A. Balkema, 1998.

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Buchteile zum Thema "Seismic surface waves"

1

Jobert, N., und G. Jobert. „Ray tracing for surface waves“. In Seismic Tomography, 275–300. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3899-1_12.

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Bullen, K. E. „Evidence from seismic surface waves“. In The Earth’s Density, 261–86. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-009-5700-8_13.

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Keilis-Borok, V. I. „Computation Techniques for Surface Waves“. In Seismic Surface Waves in a Laterally Inhomogeneous Earth, 99–127. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0883-3_4.

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Keilis-Borok, V. I. „Surface Waves in Vertically Inhomogeneous Media“. In Seismic Surface Waves in a Laterally Inhomogeneous Earth, 3–33. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0883-3_1.

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Levshin, A. L., und M. H. Ritzwoller. „Surface Waves in Seismology and Seismic Prospecting“. In Selected Papers From Volume 32 of Vychislitel'naya Seysmologiya, 17–22. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/cs007p0017.

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Stokoe, K. H., R. C. Gauer und J. A. Bay. „Experimental Investigation of Seismic Surface Waves in the Seafloor“. In Shear Waves in Marine Sediments, 51–58. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3568-9_6.

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Roesset, J. M., S. G. Wright und M. Sedighi-Manesh. „Analytical Investigation of Seismic Surface Waves in the Seafloor“. In Shear Waves in Marine Sediments, 575–82. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3568-9_66.

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Keilis-Borok, V. I. „Surface Waves in Media Involving Vertical Contacts“. In Seismic Surface Waves in a Laterally Inhomogeneous Earth, 71–98. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0883-3_3.

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Keilis-Borok, V. I. „Surface Waves in Media with Weak Lateral Inhomogeneity“. In Seismic Surface Waves in a Laterally Inhomogeneous Earth, 35–69. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0883-3_2.

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Jílek, Petr, und Vlastislav Červený. „Radiation Patterns of Point Sources Situated Close to Structural Interfaces and to the Earth’s Surface“. In Seismic Waves in Laterally Inhomogeneous Media, 175–225. Basel: Birkhäuser Basel, 1996. http://dx.doi.org/10.1007/978-3-0348-9213-1_9.

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Konferenzberichte zum Thema "Seismic surface waves"

1

Pan, Yudi, Jianghai Xia, Lingli Gao, Yudi Pab, Whitney Trainor-Guitton, Chelsea Lancelle, Herb Wang et al. „Surface Waves/Shallow Seismic“. In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2015. Society of Exploration Geophysicists and Environment and Engineering Geophysical Society, 2016. http://dx.doi.org/10.4133/sageep.29-078.

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Hamza, Ilknur Ozgur. „MULTIPLE INTERACTIONS OF SEISMIC WAVES AND SURFACE WAVES“. In SGEM2011 11th International Multidisciplinary Scientific GeoConference and EXPO. Stef92 Technology, 2011. http://dx.doi.org/10.5593/sgem2011/s06.115.

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3

Pronay, Z., L. Hermann, B. Neducza, M. Pattantyus-A und E. Törös. „Detecting Near Surface Discontinuities Using Surface Seismic Waves“. In 57th EAEG Meeting. Netherlands: EAGE Publications BV, 1995. http://dx.doi.org/10.3997/2214-4609.201409506.

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4

He, W. „Parameterization and interpreting surface waves and body waves in elastic VTI full waveform inversion“. In First EAGE Conference on Seismic Inversion. European Association of Geoscientists & Engineers, 2020. http://dx.doi.org/10.3997/2214-4609.202037045.

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5

Campman, X., C. D. Riyanti und G. Herman. „Shallow Imaging with Scattered Seismic Surface Waves“. In Near Surface 2004 - 10th EAGE European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists & Engineers, 2004. http://dx.doi.org/10.3997/2214-4609-pdb.10.b026.

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6

Allnor, Rune, Andrea Caiti und Børge Arntsen. „Inversion of seismic surface waves for shear wave velocities“. In SEG Technical Program Expanded Abstracts 1997. Society of Exploration Geophysicists, 1997. http://dx.doi.org/10.1190/1.1885818.

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Rice, J. A., Christine E. Krohn und L. M. Houston. „Shallow near‐surface effects on seismic waves“. In SEG Technical Program Expanded Abstracts 1991. Society of Exploration Geophysicists, 1991. http://dx.doi.org/10.1190/1.1888908.

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8

Stark, Timothy D., Stephen T. Wilk, Hugh B. Thompson, Theodore R. Sussmann, Mark Baker und Carlton L. Ho. „Evaluating Fouled Ballast Using Seismic Surface Waves“. In 2016 Joint Rail Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/jrc2016-5714.

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This paper presents the equipment and Spectral Analysis of Surface Wave (SASW) approach for non-invasively characterizing railroad track ballast and foundation layers. Surface wave testing on a railroad track is more complicated than that on soil sites or pavements because of the presence of ballast, crossties, and rails as well as the complexity of ballast-soil foundation structure in terms of the variation of shear-wave velocity with depth. Using portable SASW equipment, the Young’s Modulus of the ballast was calculated for both clean and fouled ballast in wet and dry conditions. In addition, the local modulus is determined at different locations under the tie, e.g. tie center or edge, to investigate modulus variation and tie support under a single tie. Expansion of the system to measure the modulus under two adjacent ties is also discussed and may be suitable for evaluating ballast performance under §213.103, which requires ballast to perform the following serviceability functions: (1) transmit and distribute the load of the track and railroad rolling equipment to the subgrade; (2) restrain the track laterally, longitudinally, and vertically under dynamic loads imposed by railroad rolling equipment and thermal stresses exerted by the rail; (3) provide adequate drainage for the track; and (4) maintain proper track crosslevel, surface, and alignment”.
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Shemali, Ali Al, Saruul Javkhlan und Sergey Kuznetsov. „Seismic protection from bulk and surface waves“. In ADVANCES IN SUSTAINABLE CONSTRUCTION MATERIALS. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0103993.

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Palermo, A., S. Krodel, A. Marzani und C. Daraio. „Seismic surface waves attenuation by buried resonators“. In 2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS). IEEE, 2016. http://dx.doi.org/10.1109/metamaterials.2016.7746513.

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Berichte der Organisationen zum Thema "Seismic surface waves"

1

Vernon, Frank L., Robert J. Mellors und David J. Thomson. Broadband Signal Enhancement of Seismic Array Data: Application to Long-Period Surface Waves & High Frequency Wavefields. Fort Belvoir, VA: Defense Technical Information Center, April 1998. http://dx.doi.org/10.21236/ada343629.

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2

Sloan, Steven, Shelby Peterie, Richard Miller, Julian Ivanov, J. Schwenk und Jason McKenna. Detecting clandestine tunnels by using near-surface seismic techniques. Engineer Research and Development Center (U.S.), April 2021. http://dx.doi.org/10.21079/11681/40419.

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Geophysical detection of clandestine tunnels is a complex problem that has been met with limited success. Multiple methods have been applied spanning several decades, but a reliable solution has yet to be found. This report presents shallow seismic data collected at a tunnel test site representative of geologic settings found along the southwestern U.S. border. Results demonstrate the capability of using compressional wave diffraction and surface-wave backscatter techniques to detect a purpose-built subterranean tunnel. Near-surface seismic data were also collected at multiple sites in Afghanistan to detect and locate subsurface anomalies (e.g., data collected over an escape tunnel discovered in 2011 at the Sarposa Prison in Kandahar, Afghanistan, which allowed more than 480 prisoners to escape, and data from another shallow tunnel recently discovered at an undisclosed location). The final example from Afghanistan is the first time surface-based seismic methods have detected a tunnel whose presence and location were not previously known. Seismic results directly led to the discovery of the tunnel. Interpreted tunnel locations for all examples were less than 2 m of the actual location. Seismic surface wave backscatter and body-wave diffraction methods show promise for efficient data acquisition and processing for locating purposefully hidden tunnels within unconsolidated sediments.
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3

Taylor, Oliver-Denzil, Amy Cunningham,, Robert Walker, Mihan McKenna, Kathryn Martin und Pamela Kinnebrew. The behaviour of near-surface soils through ultrasonic near-surface inundation testing. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41826.

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Seismometers installed within the upper metre of the subsurface can experience significant variability in signal propagation and attenuation properties of observed arrivals due to meteorological events. For example, during rain events, both the time and frequency representations of observed seismic waveforms can be significantly altered, complicating potential automatic signal processing efforts. Historically, a lack of laboratory equipment to explicitly investigate the effects of active inundation on seismic wave properties in the near surface prevented recreation of the observed phenomena in a controlled environment. Presented herein is a new flow chamber designed specifically for near-surface seismic wave/fluid flow interaction phenomenology research, the ultrasonic near-surface inundation testing device and new vp-saturation and vs-saturation relationships due to the effects of matric suction on the soil fabric.
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Leland Timothy Long. Seismic Surface-Wave Tomography of Waste Sites. Office of Scientific and Technical Information (OSTI), Dezember 2002. http://dx.doi.org/10.2172/806810.

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Long, Leland T. Seismic Surface-Wave Tomography of Waste Sites. Office of Scientific and Technical Information (OSTI), Oktober 2002. http://dx.doi.org/10.2172/834607.

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Long, Timothy L. Seismic Surface-Wave Tomography of Waste Sites - Final Report. Office of Scientific and Technical Information (OSTI), September 2000. http://dx.doi.org/10.2172/781156.

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7

Harkrider, David G., Donald V. Helmberger und Robert W. Clayton. Body and Surface Wave Modeling of Observed Seismic Events. Fort Belvoir, VA: Defense Technical Information Center, Januar 1986. http://dx.doi.org/10.21236/ada166149.

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Long, T. L. Seismic surface wave tomography of waste sites. 1997 annual progress report. Office of Scientific and Technical Information (OSTI), Oktober 1997. http://dx.doi.org/10.2172/13562.

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Long, T. L. Seismic surface-wave tomography of waste sites. 1998 annual progress report. Office of Scientific and Technical Information (OSTI), Juni 1998. http://dx.doi.org/10.2172/13563.

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Song, Xiaodong. Surface Wave Dispersion Measurements and Tomography From Ambient Seismic Noise in China. Fort Belvoir, VA: Defense Technical Information Center, Dezember 2007. http://dx.doi.org/10.21236/ada496404.

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