seismic tomography
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Seismic tomography — is a methodology for estimating the earth s properties. In the seismology community, seismic tomography is just a part of seismic imaging, and usually has a more specific purpose to estimate properties such as propagating velocities of… … Wikipedia
seismic tomography — seismic tomography, the use of seismic waves to form images of the earth s interior which are then synthesized into a single cross sectional view: »the three dimensional maps produced by seismic tomography … Useful english dictionary
seismic tomography — seisminė tomografija statusas T sritis Standartizacija ir metrologija apibrėžtis Žemės mantijos nevienalytiškumo radimo būdas matuojant seisminių bangų sklidimo įvairiomis kryptimis greičių ir dažnių pokyčius. atitikmenys: angl. seismic… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
Tomography — Basic principle of tomography: superposition free tomographic cross sections S1 and S2 compared with the projected image P Tomography refers to imaging by sections or sectioning, through the use of any kind of penetrating wave. A device used in… … Wikipedia
tomography — [tə mäg′rə fē] n. 〚< Gr tomos, a piece cut off (see TOMY) + GRAPHY〛 a process for producing an image of a single plane of an object excluding all other planes, as by using CT SCAN or ULTRASOUND, in … Universalium
tomography — [tə mäg′rə fē] n. [< Gr tomos, a piece cut off (see TOMY) + GRAPHY] a process for producing an image of a single plane of an object excluding all other planes, as by using CT SCAN or ULTRASOUND, in diagnostic medicine, seismic surveys, etc … English World dictionary
Geophysical Tomography Group — The Geophysical Tomography Group was part of the Institut de Physique du Globe de Paris (Jussieu Campus). During the years 1985 2000 it made pioneering developments in the domain of nonlinear fitting of seismic waveforms. Many of the past members … Wikipedia
Outline of geophysics — Seismic velocities and boundaries in the interior of the Earth sampled by seismic waves. The following outline is provided as an overview of and topical guide to geophysics: Geophysics – the physics of the Earth and its environment in space; also … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Mantle plume — A superplume generated by cooling processes in the mantle.[1] A mantle plume is a hypothetical thermal diapir of abnormally hot rock that nucleates at the core mantle boundary and rises through the Earth s mantle. Such plumes were invoked in 1971 … Wikipedia
Near-surface geophysics — is the use of geophysical methods to investigate small scale features in the shallow (tens of meters) subsurface. It is closely related to applied geophysics or exploration geophysics. Methods used include seismic refraction and reflection,… … Wikipedia
