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TOPOGRAPHY: 作品数：544被引量：1237H指数：17; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：孙波郭井学崔祥斌唐新功白春华更多>>; 相关机构：中国科学院中南大学清华大学华中师范大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划广东省自然科学基金更多>>

An optimized finite difference method based on a polar coordinate system for regional-scale irregular topography被引量：1: 《Earthquake Science》2021年第4期334-343,共10页Jianxia Xu Wei Zhang Xiaofei Chen; supported by the National Natural Science Foundation of China(No.41790465).; The finite difference method(FDM)is an important numerical approach for simulating the propagation of seismic waves,and some FDMs can be used to study the impact of the Earth’s curvature and topography over large dis...; 关键词：finite difference irregular topography polar coordinate system.

3D seismic response of a 2D hill-valley staggered topography modeled by a 2.5D multi-domain IBEM被引量：1: 《Earthquake Science》2019年第3期125-142,共18页Zhenning Ba Qiaozhi Sang Jianwen Liang; A two and a half dimensional(2.5D)multi-domain indirect boundary element method(IBEM)is developed to study the wave scattering of obliquely incident P-,SV-and SH-waves by a hill-valley staggered topography in a multi-...; 关键词：2.5D multi-domain IBEM Green’s functions for moving load hill-valley staggered topography wave scattering layered half-space

Finite difference calculation of traveltime on non-orthogonal grid: 《Earthquake Science》2018年第2期55-61,共7页Xiangfang Zeng Sidao Ni; supported in part by National Basic Research Program of China (No. 2014CB845900);Hubei Provincial Natural Science Foundation of China (No. 2014CFA005); Finite difference methods have been widely employed in solving the eikonal equation so as to calculate traveltime of seismic phase. Most previous studies used regular orthogonal grid. However, much denser grid is requ...; 关键词：finite difference TRAVELTIME non-orthogonal grid TOPOGRAPHY

Location and moment tensor inversion of small earthquakes using 3D Green＇s functions in models with rugged topography： application to the Longmenshan fault zone: 《Earthquake Science》2016年第3期139-151,共13页Li Zhou Wei Zhang Yang Shen Xiaofei Chen Jie Zhang; supported by National Natural Science Foundation of China (Grants No.41374056);the Fundamental Research Funds for the Central Universities (WK2080000053); With dense seismic arrays and advanced imaging methods, regional three-dimensional （3D） Earth models have become more accurate. It is now increasingly feasible and advantageous to use a 3D Earth model to better loca...; 关键词：Source mechanism inversion Seismic location 3D strain Green＇s tensors Tibetan plateau TOPOGRAPHY

Numerical modeling of zero-offset laboratory data in a strong topographic environment: results for a spectral-element method and a discretized Kirchhoff integral method: 《Earthquake Science》2014年第4期391-399,共9页Nathalie Favretto-Cristini Anastasiya Tantsereva Paul Cristini Bjφrn Ursin Dimitri Komatitsch Arkady M.Aizenberg; the INSIS Institute of the French CNRS,Aix-Marseille University;the Carnot Star Institute,the VISTA Project;the Norwegian Research Council through the ROSE Project for financial support; Abstract Accurate simulation of seismic wave propaga- tion in complex geological structures is of particular interest nowadays. However conventional methods may fail to simulate realistic wavefields in environments wi...; 关键词：Numerical modeling . Zero-offset reflection Laboratory experiments Strong topography

Upper crustal structure under Jingtai–Hezuo profile in Northeastern Tibet from topography-dependent eikonal traveltime tomography被引量：2: 《Earthquake Science》2014年第2期137-148,共12页Ting Ma Zhongjie Zhang Peng Wang Yingkang Li; financial support for this work by the Ministry of Science and Technology of China (2011CB808904);the Ministry of Land and Resources of China (SinoProbe-02-02 or 201011041,SinoProbe-03-02 or 201011047);the National Nature Science Foundation of China (41174075,41021063,41274090 and 41174043); The Northeastern Tibetan plateau records Caledonian Qilian orogeny and Cenozoic reactivation by continental collision between the Indian and Asian plates. In order to provide the constraint on the Qilian orogenic mech...; 关键词：Northeastern Tibet Wide-angle seismic profiling Upper crust Velocity Topographydependent eikonal traveltime tomography

Review on localized boundary integral equation:Discrete wavenumber method for 2D irregular layers被引量：2: 《Earthquake Science》2010年第2期129-137,共9页Hong Zhou Xiaofei Chen Ying Chang; supported by National Natural Science Foundation of China (Nos.40874027,90715020 and 90915012);IGPCEA(DQJB07B06);Special Public Welfare Industry (Nos.20070804 and 200808008); The pioneer study of simulating the wave field in media with irregular interface belongs to Aki and Lamer. Since that many numerical methods on the subject have been developed, such as pure numerical techniques, ray m...; 关键词：Bouchon-Campillo irregular interface topography Fourier transform IoBIE-DWM

P-wave tomography of crust and upper mantle under Southern California: Influence of topography of Moho discontinuity被引量：1: 《Acta Seismologica Sinica(English Edition)》2003年第6期577-587,共11页HUANG Jin-li(黄金莉) ZHAO Da-peng(赵大鹏); Japan Society for Promotion of Science，Chinese State Key Program of Basic Research on Mechanisms and Predictions of Strong Continental Earthquakes; We use 146 422 P-wave arrival times from 6 347 local earthquakes recorded by the Southern California SeismicNetwork to determine a detailed three-dimensional P-wave velocity structure at 0～35 km depth. We have takeni...; 关键词：SOUTHERN California MOHO DISCONTINUITY 3-D P-WAVE velocity structure block feature SEISMICITY

The effect of local irregular topography on seismic ground motion被引量：4: 《Acta Seismologica Sinica(English Edition)》1996年第2期309-315,共7页刘晶波; Effects of irregUlar topography on ground motion for incident P, SV and the propagation of Rayleigh waves are studied by combining finite element method with modified transmitting boundary. TheoretiCal models include ...; 关键词：ground motion irregular topography seismic wave

An　explicit　finite　element－finite　difference　method　for　analyzing　the　effect　of　visco－elastic　local　topography　on　the　earthquake　motion被引量：6: 《Acta Seismologica Sinica(English Edition)》1995年第3期447-456,共10页李小军廖振鹏关慧敏; An explicit finite element-finite difference method for analyzing the effects of two-dimensional visco-elastic localtopography on earthquake ground motion is prOPosed in this paper. In the method, at first, the finite...; 关键词：VISCO-ELASTIC seismic response finite difference method explicit finite element artificial boundary

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