Cited by 445High-pressure geophysics and materialsSeismic Waves and AnalysisSeismic Imaging and Inversion Techniques

Seismological evidence for differential rotation of the Earth's inner core

Song, Xiaodong, Richards, Paul G.·1996·Nature

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Crossref · 10.1038/382221a0

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29 of 29 references verified0 citation errors · 0 not checkable

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  • The event-based method used in this study is less precise than the doublet-based method but provides much better temporal and spatial coverage.

    “Although the event-based method, which was used in the original study on the subject (Song & Richards, 1996), is less precise than the doublet-based method, it provides much better temporal and spatial coverage.”
  • Seismic observations have provided critical evidence for inner core differential rotation.

    “Seismic observations have provided critical evidence for IC differential rotation (Creager, 1997;Song & Richards, 1996;Vidale et al., 2000), and different models have been proposed.”
  • Inner-core rotation estimates are now converging from early estimates of several times larger.

    “These estimates are now converging from early estimates of several times larger (e.g., Creager, 1997;Song & Richards, 1996).”
  • Seismological observations confirmed differential rotation of the inner core relative to the mantle, with varying rotation rates in the eastward (prograde) direction, settling to the range from 0.3 to 1.1 years per degree faster than the mantle.

    “These observations confirmed the theoretical predictions of differential rotation of the inner core relative to the mantle, with varying rotation rates in the eastward (prograde) direction, settling to the range from 0.3 to 1.1 years per degree faster than the mantle.”

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Authors
Song, X., & Richards, P. G.
Affiliations
Lamont-Doherty Earth Observatory (US)
Venue
Nature
Published
1996-07
Volume
382
Issue
6588
Pages
221-224
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1990488587
Cited by
445
References
30
Citations by year
2026: 8 · 2025: 13 · 2024: 8 · 2023: 19 · 2022: 14 · 2021: 6 · 2020: 18 · 2019: 11 · 2018: 6 · 2017: 13 · 2016: 8 · 2015: 22 · 2014: 7 · 2013: 10 · 2012: 6
FWCI
26.98
Type
journal article
Language
en
Open access
closed
Locations
Nature (publishedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › High-pressure geophysics and materials
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › Seismic Waves and Analysis
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › Seismic Imaging and Inversion Techniques
Keywords
Earth's inner core, differential rotation, seismic travel times, inner core anisotropy, seismic anisotropy

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