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Density structure of Earth's lowermost mantle from Stoneley mode splitting observations

Abstract:

Advances in our understanding of Earth’s thermal evolution and the style of mantle convection rely on robust seismological constraints on lateral variations of density. The largelow-shear-wave velocity provinces (LLSVPs) atop the core-mantle boundary beneath Africa and the Pacific are the largest structures in the lower mantle, and hence severely affect the convective flow. Here, we show that anomalous splitting of Stoneley modes, a unique class of free oscillations that are perturbed primari...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/ncomms15241

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Institution:
University of Oxford
Oxford college:
University College
Role:
Author
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Funding agency for:
Koelemeijer, P
Grant:
Postdoctoral Fellowship (ETH/COFUND FEL-25 13-2 #0-20997- 14
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Funding agency for:
Koelemeijer, P
Grant:
Postdoctoral Fellowship (ETH/COFUND FEL-25 13-2 #0-20997- 14
More from this funder
Funding agency for:
Koelemeijer, P
Grant:
Postdoctoral Fellowship (ETH/COFUND FEL-25 13-2 #0-20997- 14
More from this funder
Grant:
FP7/2007- 2013)/ERC 204995
Publisher:
Springer Nature Publisher's website
Journal:
Nature Communications Journal website
Volume:
8
Article number:
15241
Publication date:
2017-05-15
Acceptance date:
2017-03-13
DOI:
ISSN:
2041-1723
Source identifiers:
685502
Pubs id:
pubs:685502
UUID:
uuid:30a84613-0c98-42fe-b323-5ecbd58b1c01
Local pid:
pubs:685502
Deposit date:
2017-03-13

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