Earth’s Interior
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چکیده
منابع مشابه
Crustal shear velocity structure of the western US
F.-C. Lin, Center for Imaging the Earth’s Interior, Department of Physics, University of Colorado, 390 UCB, Boulder, CO, 80390-0390, USA. ([email protected]) M. P. Moschetti, Center for Imaging the Earth’s Interior, Department of Physics, University of Colorado, 390 UCB, Boulder, CO, 80390-0390, USA. ([email protected]) M. H. Ritzwoller, Center for Imaging the Earth’s Interior, D...
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Inferring Earth’s composition is a prerequisite to understanding its evolution and dynamics as well as those of planets like it. One might think that the composition of Earth can be easily inferred from the rocks that we can see on Earth’s surface. However, it immediately becomes obvious that these rocks cannot be the major constituent of Earth’s interior because the densities of typical rocks ...
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The Earth is a big place: its radius is about 6400 km. In comparison, the deepest boreholes drilled are about 10 km deep. We thus have little opportunity to take direct measurements or samples inside the Earth: it is mostly inaccessible. And even for the upper 10 km that we can sample, the cost of drilling deep boreholes is very high. This means that inferences about the Earth’s interior are la...
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This research has been motivated by geophysics and materials physics. The objective of this research has been to advance materials theory and computations for high pressure and high temperature applications to the point that it can make a difference in our understanding of the Earth. Understanding of the mineralogy, composition, and thermal structure of the Earth evolves by close interaction of...
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Decays of radionuclides throughout the Earth’s interior produce geothermal heat, but also are a source of antineutrinos; these geoneutrinos are now becoming observable in experiments such as KamLAND. Heretofore, the (angle-integrated) geoneutrino flux has been shown to provide a unique probe of geothermal heating due to decays, and an integral constraint on the distribution of radionuclides in ...
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تاریخ انتشار 2011