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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
Version:
Publisher's version

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Publisher copy:
10.1038/ncomms15241

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Department:
University College
Ritsema, J More by this author
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Funding agency for:
Koelemeijer, P
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Funding agency for:
Koelemeijer, P
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Funding agency for:
Koelemeijer, P
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Grant:
FP7/2007- 2013)/ERC 204995
Publisher:
Springer Nature Publisher's website
Journal:
Nature Communications Journal website
Volume:
8
Pages:
Article: 15241
Publication date:
2017-05-15
Acceptance date:
2017-03-13
DOI:
ISSN:
2041-1723
Pubs id:
pubs:685502
URN:
uri:30a84613-0c98-42fe-b323-5ecbd58b1c01
UUID:
uuid:30a84613-0c98-42fe-b323-5ecbd58b1c01
Local pid:
pubs:685502

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