Forward modeling method and application of teleseismic wavefield
Seismic wavefield numerical simulation is an important base for crust-mantle structure imaging and deep exploration. The classical teleseismic wavefield simulation methods, including analytical method, semi-analytical method and numerical method, are mainly based on one-dimensional Earth model. Thes...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Yingquan Sang [verfasserIn] Youshan Liu [verfasserIn] Tao Xu [verfasserIn] Zhiming Bai [verfasserIn] Tongtong Xie [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Chinesisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
teleseismic wavefield simulation |
|---|
| Übergeordnetes Werk: |
In: 地球与行星物理论评 - Editorial Office of Reviews of Geophysics and Planetary Physics, 2023, 52(2021), 6, Seite 569-586 |
|---|---|
| Übergeordnetes Werk: |
volume:52 ; year:2021 ; number:6 ; pages:569-586 |
| Links: |
|---|
| DOI / URN: |
10.19975/j.dqyxx.2021-011 |
|---|
| Katalog-ID: |
DOAJ087473135 |
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| 520 | |a Seismic wavefield numerical simulation is an important base for crust-mantle structure imaging and deep exploration. The classical teleseismic wavefield simulation methods, including analytical method, semi-analytical method and numerical method, are mainly based on one-dimensional Earth model. These algorithms can efficiently calculate the synthetic seismogram, but the lateral heterogeneity of the medium is not being incorporated. With the improvement of computer performance, numerical simulation methods for three-dimensional seismic have been developed rapidly, and have been widely used in both local and regional seismic wave simulations. But due to the limitation of computing resources, the implementation of high frequency seismic wavefield numerical simulation based on global scale is still a great challenge. In recent years, hybrid numerical simulation methods of teleseismic wavefield have been developed, in which the target simulation region is decomposed into two scales (global scale and local scale). In global scale, high-frequency synthetic seismogram is calculated through fast algorithm based on one-dimensional earth model assumption. With injection method, three-dimensional numerical methods (spectral element method, finite difference method, etc.) are used to simulate the propagation of seismic wave in three-dimensional heterogeneous medium in local target scale, to achieve the balance between efficiency and accuracy. With the development of dense array observation, scientific research puts forward higher requirements for the resolution of underground structure imaging. Accurate and efficient hybrid simulation method of seismic wavefield will play an important role in the field of high-resolution seismic imaging. In this paper, we systematically summarize one-dimensional simulation methods of teleseismic wavefield numerical simulations, as well as the principle and application of hybrid numerical simulation methods of teleseismic wavefield. | ||
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10.19975/j.dqyxx.2021-011 doi (DE-627)DOAJ087473135 (DE-599)DOAJdf7e5163be764a4dbed7266b9da5d818 DE-627 ger DE-627 rakwb chi QC801-809 QB460-466 Yingquan Sang verfasserin aut Forward modeling method and application of teleseismic wavefield 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Seismic wavefield numerical simulation is an important base for crust-mantle structure imaging and deep exploration. The classical teleseismic wavefield simulation methods, including analytical method, semi-analytical method and numerical method, are mainly based on one-dimensional Earth model. These algorithms can efficiently calculate the synthetic seismogram, but the lateral heterogeneity of the medium is not being incorporated. With the improvement of computer performance, numerical simulation methods for three-dimensional seismic have been developed rapidly, and have been widely used in both local and regional seismic wave simulations. But due to the limitation of computing resources, the implementation of high frequency seismic wavefield numerical simulation based on global scale is still a great challenge. In recent years, hybrid numerical simulation methods of teleseismic wavefield have been developed, in which the target simulation region is decomposed into two scales (global scale and local scale). In global scale, high-frequency synthetic seismogram is calculated through fast algorithm based on one-dimensional earth model assumption. With injection method, three-dimensional numerical methods (spectral element method, finite difference method, etc.) are used to simulate the propagation of seismic wave in three-dimensional heterogeneous medium in local target scale, to achieve the balance between efficiency and accuracy. With the development of dense array observation, scientific research puts forward higher requirements for the resolution of underground structure imaging. Accurate and efficient hybrid simulation method of seismic wavefield will play an important role in the field of high-resolution seismic imaging. In this paper, we systematically summarize one-dimensional simulation methods of teleseismic wavefield numerical simulations, as well as the principle and application of hybrid numerical simulation methods of teleseismic wavefield. teleseismic wavefield simulation crust-mantle structure imaging synthetic seismograms hybrid method Geophysics. Cosmic physics Astrophysics Youshan Liu verfasserin aut Tao Xu verfasserin aut Zhiming Bai verfasserin aut Tongtong Xie verfasserin aut In 地球与行星物理论评 Editorial Office of Reviews of Geophysics and Planetary Physics, 2023 52(2021), 6, Seite 569-586 (DE-627)DOAJ087193868 20971893 nnns volume:52 year:2021 number:6 pages:569-586 https://doi.org/10.19975/j.dqyxx.2021-011 kostenfrei https://doaj.org/article/df7e5163be764a4dbed7266b9da5d818 kostenfrei https://www.sjdz.org.cn/en/article/doi/10.19975/j.dqyxx.2021-011 kostenfrei https://doaj.org/toc/2097-1893 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_342 AR 52 2021 6 569-586 |
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10.19975/j.dqyxx.2021-011 doi (DE-627)DOAJ087473135 (DE-599)DOAJdf7e5163be764a4dbed7266b9da5d818 DE-627 ger DE-627 rakwb chi QC801-809 QB460-466 Yingquan Sang verfasserin aut Forward modeling method and application of teleseismic wavefield 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Seismic wavefield numerical simulation is an important base for crust-mantle structure imaging and deep exploration. The classical teleseismic wavefield simulation methods, including analytical method, semi-analytical method and numerical method, are mainly based on one-dimensional Earth model. These algorithms can efficiently calculate the synthetic seismogram, but the lateral heterogeneity of the medium is not being incorporated. With the improvement of computer performance, numerical simulation methods for three-dimensional seismic have been developed rapidly, and have been widely used in both local and regional seismic wave simulations. But due to the limitation of computing resources, the implementation of high frequency seismic wavefield numerical simulation based on global scale is still a great challenge. In recent years, hybrid numerical simulation methods of teleseismic wavefield have been developed, in which the target simulation region is decomposed into two scales (global scale and local scale). In global scale, high-frequency synthetic seismogram is calculated through fast algorithm based on one-dimensional earth model assumption. With injection method, three-dimensional numerical methods (spectral element method, finite difference method, etc.) are used to simulate the propagation of seismic wave in three-dimensional heterogeneous medium in local target scale, to achieve the balance between efficiency and accuracy. With the development of dense array observation, scientific research puts forward higher requirements for the resolution of underground structure imaging. Accurate and efficient hybrid simulation method of seismic wavefield will play an important role in the field of high-resolution seismic imaging. In this paper, we systematically summarize one-dimensional simulation methods of teleseismic wavefield numerical simulations, as well as the principle and application of hybrid numerical simulation methods of teleseismic wavefield. teleseismic wavefield simulation crust-mantle structure imaging synthetic seismograms hybrid method Geophysics. Cosmic physics Astrophysics Youshan Liu verfasserin aut Tao Xu verfasserin aut Zhiming Bai verfasserin aut Tongtong Xie verfasserin aut In 地球与行星物理论评 Editorial Office of Reviews of Geophysics and Planetary Physics, 2023 52(2021), 6, Seite 569-586 (DE-627)DOAJ087193868 20971893 nnns volume:52 year:2021 number:6 pages:569-586 https://doi.org/10.19975/j.dqyxx.2021-011 kostenfrei https://doaj.org/article/df7e5163be764a4dbed7266b9da5d818 kostenfrei https://www.sjdz.org.cn/en/article/doi/10.19975/j.dqyxx.2021-011 kostenfrei https://doaj.org/toc/2097-1893 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_342 AR 52 2021 6 569-586 |
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Forward modeling method and application of teleseismic wavefield |
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Seismic wavefield numerical simulation is an important base for crust-mantle structure imaging and deep exploration. The classical teleseismic wavefield simulation methods, including analytical method, semi-analytical method and numerical method, are mainly based on one-dimensional Earth model. These algorithms can efficiently calculate the synthetic seismogram, but the lateral heterogeneity of the medium is not being incorporated. With the improvement of computer performance, numerical simulation methods for three-dimensional seismic have been developed rapidly, and have been widely used in both local and regional seismic wave simulations. But due to the limitation of computing resources, the implementation of high frequency seismic wavefield numerical simulation based on global scale is still a great challenge. In recent years, hybrid numerical simulation methods of teleseismic wavefield have been developed, in which the target simulation region is decomposed into two scales (global scale and local scale). In global scale, high-frequency synthetic seismogram is calculated through fast algorithm based on one-dimensional earth model assumption. With injection method, three-dimensional numerical methods (spectral element method, finite difference method, etc.) are used to simulate the propagation of seismic wave in three-dimensional heterogeneous medium in local target scale, to achieve the balance between efficiency and accuracy. With the development of dense array observation, scientific research puts forward higher requirements for the resolution of underground structure imaging. Accurate and efficient hybrid simulation method of seismic wavefield will play an important role in the field of high-resolution seismic imaging. In this paper, we systematically summarize one-dimensional simulation methods of teleseismic wavefield numerical simulations, as well as the principle and application of hybrid numerical simulation methods of teleseismic wavefield. |
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Seismic wavefield numerical simulation is an important base for crust-mantle structure imaging and deep exploration. The classical teleseismic wavefield simulation methods, including analytical method, semi-analytical method and numerical method, are mainly based on one-dimensional Earth model. These algorithms can efficiently calculate the synthetic seismogram, but the lateral heterogeneity of the medium is not being incorporated. With the improvement of computer performance, numerical simulation methods for three-dimensional seismic have been developed rapidly, and have been widely used in both local and regional seismic wave simulations. But due to the limitation of computing resources, the implementation of high frequency seismic wavefield numerical simulation based on global scale is still a great challenge. In recent years, hybrid numerical simulation methods of teleseismic wavefield have been developed, in which the target simulation region is decomposed into two scales (global scale and local scale). In global scale, high-frequency synthetic seismogram is calculated through fast algorithm based on one-dimensional earth model assumption. With injection method, three-dimensional numerical methods (spectral element method, finite difference method, etc.) are used to simulate the propagation of seismic wave in three-dimensional heterogeneous medium in local target scale, to achieve the balance between efficiency and accuracy. With the development of dense array observation, scientific research puts forward higher requirements for the resolution of underground structure imaging. Accurate and efficient hybrid simulation method of seismic wavefield will play an important role in the field of high-resolution seismic imaging. In this paper, we systematically summarize one-dimensional simulation methods of teleseismic wavefield numerical simulations, as well as the principle and application of hybrid numerical simulation methods of teleseismic wavefield. |
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Seismic wavefield numerical simulation is an important base for crust-mantle structure imaging and deep exploration. The classical teleseismic wavefield simulation methods, including analytical method, semi-analytical method and numerical method, are mainly based on one-dimensional Earth model. These algorithms can efficiently calculate the synthetic seismogram, but the lateral heterogeneity of the medium is not being incorporated. With the improvement of computer performance, numerical simulation methods for three-dimensional seismic have been developed rapidly, and have been widely used in both local and regional seismic wave simulations. But due to the limitation of computing resources, the implementation of high frequency seismic wavefield numerical simulation based on global scale is still a great challenge. In recent years, hybrid numerical simulation methods of teleseismic wavefield have been developed, in which the target simulation region is decomposed into two scales (global scale and local scale). In global scale, high-frequency synthetic seismogram is calculated through fast algorithm based on one-dimensional earth model assumption. With injection method, three-dimensional numerical methods (spectral element method, finite difference method, etc.) are used to simulate the propagation of seismic wave in three-dimensional heterogeneous medium in local target scale, to achieve the balance between efficiency and accuracy. With the development of dense array observation, scientific research puts forward higher requirements for the resolution of underground structure imaging. Accurate and efficient hybrid simulation method of seismic wavefield will play an important role in the field of high-resolution seismic imaging. In this paper, we systematically summarize one-dimensional simulation methods of teleseismic wavefield numerical simulations, as well as the principle and application of hybrid numerical simulation methods of teleseismic wavefield. |
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