Seismic-refraction
Upper mantle velocity-temperature conversion and composition determined from seismic refraction and heat flow
... by seismic refraction/wide-angle reflection data is the southern part of the Archean Superior Province of the Canadian ...mantle seismic velocity and ...and seismic refraction data ...
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Seismic-refraction field experiments on Galapagos Islands: A quantitative tool for hydrogeology
... Figure 8 presents the tomography profiles of the three sites investigated on Santa Cruz Island.. All profiles are shown with a flat surface because we succeed to[r] ...
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Limits of the seismogenic zone in the epicentral region of the 26 December 2004 great Sumatra-Andaman earthquake: Results from seismic refraction and wide-angle reflection surveys and thermal modeling
... down to a depth of 95 km. The calculated anomalies can be compared with the shipboard measured gravity anomaly (Figure 17). The predicted anomalies generally fit the observed data well[r] ...
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Upper crustal velocity structure beneath the central Lucky Strike Segment from seismic refraction measurements
... ‐D seismic reflection survey, shows an off ‐axis velocity increase (∼1 km/s), a low‐velocity region within the median valley, and a low ‐velocity anomaly underneath the Lucky Strike ...
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Crustal velocity structure of the Lucky Strike segment of the Mid-Atlantic Ridge at 37°N from seismic refraction measurements
... structure: seismic velocities increase rapidly in the upper crust (the first 1 to 2 km below seafloor (bsf)) and increase more gradually at greater depth except for the velocity profile by Purdy and Detrick ...
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A new structural cooperative inversion approach applied to the combined tomography of electrical resistivity and seismic refraction travel times.
... In this way, structural information may be interchanged between the two parameters models. The cooperative inversion approach The cooperative inversion scheme is illustrated in figure 1 for electrical resistivity and ...
5
Design and manufacturing of all-dielectric optical metamaterial with gradient index of refraction
... In this dissertation, two different purposes of all-dielectric GRIN optics on (1) film: light extraction enhancement of the scintillator; (2) slab: aberration-free fo[r] ...
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Seismic risk mapping for Germany
... for seismic vulnerability, damage and risk analysis on dif- ferent geographical scales, ...the seismic input, with a specified earthquake scenario (magnitude, location, intensity distribution, ...
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Seismic analysis of infilled frames
... Seismic analysis of infilled frames Kodur, V. K. R.; Erki, M. A.; Quenneville, J. H. P. https://publications-cnrc.canada.ca/fra/droits L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux ...
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Seismic evaluation of concrete dams
... Hall, J.F., Chopra, A.K., "Two Dimensional Dynamic Analysis of Concrete Gravity and Embankment Dams Including Hydrodynamic Effects", Earthquake Engineering and Struc[r] ...
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Code implications for seismic design
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur.. Access and use of[r] ...
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Reliability maps for seismic tomography
... A seismic cross-hole tomography test was carried out in February 2014 at a test site in Hannover to study the heterogeneity of an ...of seismic data was carried out using a seismic sparker source ...
4
Study of the atmospheric refraction in a single mode instrument - Application to AMBER/VLTI
... atmospheric refraction and its effect on the light coupling efficiency in an instrument using single-mode optical ...the refraction in J- and H-bands while observing with an 8-m Unit ...atmospheric ...
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Borehole Effects On Downhole Seismic Measurements
... For a frequency at 2 kHz, the radial component of the borehole scattered wave can reach almost 60% of incident total displacement at 90° incidence for both formations and the vertical co[r] ...
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Seismic response of linear accelerators
... the seismic response of a linear accelerator and presents a numerical validation of the model on a regular focusing lens–open space–defocusing lens–open space (FODO) ...
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Seismic modelling of OB stars
... These two families are not exclusive, many times in intermediate and high mass stars, we also encounter the so-called mixed modes that have at the same time a gravity mode nature in the [r] ...
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Divergence of sun-rays by atmospheric refraction at large solar zenith angles
... the refraction induced divergence effect of the direct solar irradiation in the visual part of the spectrum show that this effect should be included if refraction is consid- ered at all in photochemical ...
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SIMPLIFIED SEISMIC ANALYSIS OF LOCK GATES
... ABSTRACT The paper deals with the seismic design of lock gates. When such structures are submitted to an earthquake, the water contained in the chamber is responsible for an additional hydrodynamic pressure acting ...
12
Multiscale seismic reflectivity of shallow thermoclines
... analytical seismic reflectivity (equation (12)) of the associated GEF thermocline (Fig- ure 3c-3, solid line and red crosses, ...the seismic reflectivity are satisfied in the context of thermocline interfaces: ...
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Automated fault detection without seismic processing
... Implementation and results In terms of computing, the training process takes a few hours per data set and minutes for testing. Putting this in perspective, the training process for one data set takes the same time that ...
8