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Predominance of long-wavelength heterogeneity in the mantle

Nature volume 352, pages 121–126 (1991)Cite this article

Abstract

Analysis of travel-time anomalies of long-period shear waves recorded by the Global Digital Seismographic Network indicates that mantle heterogeneities, which probably reflect patterns of mantle convection, occur most prominently on length scales greater than about 6,000 km, when projected onto a two-dimensional map at the Earth's surface. Models of mantle convection will need to be able to produce a similar power spectrum.

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Authors and Affiliations

  1. Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts, 02138, USA

    Wei-jia Su & Adam M. Dziewonski

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  1. Wei-jia Su
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  2. Adam M. Dziewonski
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Su, Wj., Dziewonski, A. Predominance of long-wavelength heterogeneity in the mantle. Nature 352, 121–126 (1991). https://doi.org/10.1038/352121a0

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