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105篇 您的检索式：作者名="Sambridge"

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	题名	作者	年代	出处	被引量
1	On the Nature of the P-Wave Velocity Gradient in the Inner Core beneath Central America显示文摘We conduct an experiment to investigate whether linearity in the observed velocity gradient in the volume of the inner core sampled by the PKP ray paths beneath Central America is a robust approximation. Instead of solving an optimization problem, we approach it within the Bayesian inference. This is an ensemble approach, where model specification is relaxed so that instead of only one solution, groups of reasonable models are acceptable. Furthermore, in transdimensional Bayesian inference used here, the number of basis functions needed to model observations is by itself an unknown. Our modeling reveals that in the ensemble of models, the most likely are those containing only 2 nodes(linear trend). Thus our result justifies the assumption used for the determination of inner core rotation with respect to the rest of the mantle that the observed gradient is constant in its nature(linear). Recent observations in seismology suggest that it is likely that the spatial variability in elastic parameters is a widespread phenomenon in the inner core. Future array observations will further constrain spatial extent and magnitude of velocity changes and show whether there is a significant difference between these observations in the two quasi-hemispheres of the inner core.	Hrvoje Tkali Thomas Bodin Mallory Young Malcolm Sambridge	2013	Journal of Earth Science2013，24，5：	2
2	Geophysical inversion with a neighborhood algorithm-Ⅰsearching a parameter space显示文摘	SAMBRIDGE M S	1999	Geophys J Int1999，138，：	1
3	A numerical method for solving partial differential equations on highly irregular evolving grids显示文摘	BRAUN J SAMBRIDGE M	1995	Nature1995，376，：	1
4	A numerical method for solving partial differential equations on highly irregular evolving grids 显示文摘	Braun J Sambridge M	1995	Nature1995，376，：	1
5	Geophysical inversion with a neighborhood algorithm-Ⅱ appraising the ensemble显示文摘	SAMBRIDGE M S	1999	Geophys J Int1999，138，：	1
6	A numerical method for solving partial differential equations on highly irregular evolving grids显示文摘	Braun J Malcolm Sambridge	1995	Nature1995，，24：	1
7	A numerical method for solving partial differential equations on highly irregtdar evolving grids显示文摘	BRAUN J SAMBRIDGE M	1995	Nature1995，376，：	1
8	A practical grid-based method for trackingmultiple refraction and reflection phases in three-dimensional heterogeneous media显示文摘	Marthijn de Kool Nicholas Rawlinson Malcolm Sambridge	2006	Geophys J Int2006，167，：	1
9	Seismic wavefront tracking in 3D heterogeneous media:applications with multiple data classes显示文摘	Nicholas Rawlinson Marthijn de Kool Malcolm Sambridge	2006	Exploration Geophysics2006，37，：	1
10	Multiple reflection and transmission phases in complex layered media using a multistage fast marching method显示文摘	Rawlinson N Sambridge M	2004	Geophysics2004，69，5：	1
11	A numerical method for solving partial differential equations on highly irregular evolving grids显示文摘	Braun J Sambridge M	1995	Nature1995，376，：	1
12	Phase space methods for multi arrival wavefronts显示文摘	Hauser J Sambridge M Rawlinson N	2006	Exploration Geophysics2006，37，：	1
13	A regionalized upper mantle(RUM) seismic model 显示文摘	Gudmundsson 6 Sambridge M	1998	Journal of Geophysical Research1998，103，：	1
14	A numerical method for solving partial differential equations on highly irregular evolving grids 显示文摘	Braun J Sambridge M	1995	Nature1995，376，：	1
15	A numerical method for solving partial differential equations on highly irregular evolving grids显示文摘	BRAUN J SAMBRIDGE M	1995	Nature1995，376，：	1
16	A numerical method for solving partial differential equations on highly irregular evolving grids显示文摘	Braun J Sambridge M	1995	Nature1995，376，：	1
17	Adaptive whole Earth tomography显示文摘	Sambridge M Feletic R	2003	Geochem Geophy Geosys2003，4，3：	1
18	Earthpuake Hypocenter Loca- tion Using Genetic Algorithrns显示文摘	Kennet B L N Sambridge M S	1993	Bull Seism $oc Am1993，83，5：	1
19	Adaptive whole Earth tomography显示文摘	Sambridge M Feletic R	2003	Geochem Geophy Geosys2003，4，3：	1
20	Irregular interface parameterization in 3-D wide-angle seismic traveltime tomography显示文摘	Rawlinson N Sambridge M	2003	Geophys J Int2003，155，1：	1

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