[PDF] Top 20 Upper mantle structure from long-period SH
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Upper mantle structure from long-period SH
... ray theory travel times are superimposed on the synthetics, with branch notation similar to that used in Chapter 1. The synthetics are the far-field displacement response due to a step-function displacement-type source, ... See full document
271
Upper mantle structure around the Trans-European Suture Zone obtained by teleseismic tomography
... a long evolution and complex tectonic structure, the TESZ and the surrounding territories have always been a subject of great interest in ...The structure of the crust and uppermost mantle ... See full document
19
Adjoint tomography of the crust and upper mantle structure beneath the Kanto region using broadband seismograms
... A 3D seismic wave speed model capable of reproducing observed seismograms using adjoint tomography be- neath the Japanese metropolitan area in the Kanto re- gion was successfully developed. The optimized SEM code on the ... See full document
20
Traces of the crustal units and the upper-mantle structure in the southwestern part of the East European Craton
... (TESZ) from May 2006 to June ...per mantle beneath the TESZ and the East European Craton ...going from the TESZ to the NE from about 180 km beneath Poland to 300 km or more beneath ...an ... See full document
16
Attenuation in the mantle, from spectral analysis of short-period seismic waves
... the upper side of the slab, P and S phases from earthquake sources in the New Hebrides and Sunda arc zones must pass through the slab before reaching ... See full document
188
Passive Seismic Deployments from the Lützow Holm Bay to Inland Plateau of East Antarctica: The Japanese IPY Contribution to Structure and Seismicity
... Study on Global Scale Structure In addition to the bedrock topography, crust and upper mantle that underlie the Antarctic ice sheet, the teleseismic data obtained by the AGAP/GAMSEIS, PO[r] ... See full document
7
Surface wave studies of the Australian upper mantle
... obtained from studies of circumferential traverses and free ...seismograms from an additional 100 events were obtained from the Seismological Data Center, Washington, ...the period range 10 to ... See full document
185
Three dimensional shear wave velocity structure in the upper mantle beneath the Philippine Sea region
... In the shallow depths lateral heterogeneities with short wavelength were seen in the shear wave velocity maps. This might be related with complicated surface structures. In the middle depths the shear wave velocity was ... See full document
14
Constraints on lithospheric mantle and crustal anisotropy in the NoMelt area from an analysis of long period seafloor magnetotelluric data
... resistivity from one direction and adding to the other such that the total conductivity split is a factor of α, centered on the background profile (type ... See full document
8
A new model of the upper mantle structure beneath the western rim of the East European Craton
... Figure 4a shows the obtained velocity distribution beneath the western rim of the EEC (MP1-SUW model, Table 3) re- sulting from the forward ray-tracing modelling and fitting of the calculated traveltimes to the ... See full document
13
Upper mantle structure beneath the Society hotspot and surrounding region using broadband data from ocean floor and islands
... waves makes it difficult to determine LAB depth directly, recent surface wave tomography work suggests that the maximum of the negative vertical gradient of shear wave velocity is a good proxy for LAB depth (Burgos et ... See full document
12
Seismic structure of the lithosphere and upper mantle beneath the ocean islands near mid-oceanic ridges
... observations from the oceanic data is the water rever- berations that mostly contaminate the vertical components of the seismograms of the ocean bottom seismometers (Ku- mar et ...seismic structure using ... See full document
11
Relative importance of different physical processes on upper crustal specific heat flow in the Eifel Maas region, Central Europe and ramifications for the production of geothermal energy
... large period (1000 years) can still have an effect on the present deep borehole ...time period, like day and night, have only a very shallow ...presented from each geologic ... See full document
14
Earthquake cycle deformation and the Moho: Implications for the rheology of continental lithosphere
... thickness from free-air methods are typically smaller than the geodetic estimates of seismogenic layer ...most long-term studies of large earthquakes infer viscoelastic relaxation in the lower crust and/or ... See full document
86
The application of synthetic seismograms to the interpretation of crustal and upper mantle structure
... short period data, resulted in a considerably simpler model (KCA) than ...distance from 12° to 40°, with observations over small (^100 km) ...absence from the KCA model is not considered ... See full document
255
Electromagnetic response of the mantle to long period geomagnetic variations over the globe
... lower mantle are ...the mantle are still contro- ...at long periods, particularly at periods of a few ...of long-period daily mean data at observatories over the globe, aiming at ... See full document
12
Surface-wave imaging of the weakly-extended Malawi Rift from ambient-noise and teleseismic Rayleigh waves from onshore and lake-bottom seismometers
... Data from the Southern Lake Tan- ganyika Experiment (TANGA) are used to help constrain structure beyond the northern limits of the Rungwe Volcanic Province ...and upper-mantle structure ... See full document
14
Analysis of Upper and Lower Mantle Structure Using Shear Waves
... DOC ANALYSIS OF UPPER AND LOWER MANTLE STRUCTURE USING SHEAR WAVES Thesis by Thorne Lay In Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy California Institute of Techno[.] ... See full document
363
Upper mantle velocity structure in the western Pacific rim estimated from short period recordings at Matsushiro Seismic Array System
... differs from those in previous studies in that the observed travel times are not binned accord- ing to their epicentral distances or their relative travel times from direct P phase; proper binning of data ... See full document
8
Velocities of long period surface waves and microseisms and their use in structural studies. I. Mantle Love and mantle Rayleigh waves and the structure of the earth's upper mantle. II. Microseisms and their application to seismic exploration
... The phase velocity data are compared with theoretical dispersion curves of seven different ea rth models.. Th e significant features of these models are correlated [r] ... See full document
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