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个人简介
I study the deep Earth interior with the aim of understanding its structure and dynamics. With my colleagues, students and post-doc, I have produced a number of regional and global tomographic models of the shear wave velocity, anisotropy and attenuation of the mantle.
Our latest achievement has been to show that a small amount of molten rock located under tectonic plates encourages them to move. Our recent model (Debayle et al., 2020) takes into account not only the velocity of seismic waves but also the way in which they are attenuated by the medium they pass through. The velocity of tectonic plates near the surface is thus directly correlated with the quantity of magma present. This research is published on October 21, 2020 in Nature.
We have also built a global shear wave velocity model of the entire mantle, SEISGLOB2, which suggests a global change of the shear wave structure near 1000 km depth (Durand et al., 2017). Shear wave anisotropy can also be used to map mantle flow and we have recently shown that only plates moving faster than 4 cm/yr can produce sufficient shearing at their base to align anisotropic crystals at the scale of the entire tectonic plates (Debayle et al., 2005; Debayle and Ricard, 2013). Our recent global attenuation models suggest that several thermal plumes of the Pacific oceans are deeply rooted down to the transition zone and pond in the asthenosphere at the base of tectonic plates (Adenis et al., 2017). Comparison of velocity and attenuation models argue for compositional heterogeneities at the base of cratons and in a number of active regions (Adenis et al.,2017). I'm also interested in mapping seismic discontinuities and we have recently shown the existence of a global low velocity layer located just above the 410 km discontinuity (Tauzin et al., 2010). More detail can be found at http://perso.ens-lyon.fr/eric.debayle/ with a number of datasets, seismic models and tomographic codes which are made available to the community.
研究兴趣
论文共 146 篇作者统计合作学者相似作者
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crossref(2024)
Geophysical research lettersno. 4 (2024)
GEOPHYSICAL JOURNAL INTERNATIONALno. 2 (2023): 1944-1958
HAL (Le Centre pour la Communication Scientifique Directe) (2021)
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Catherine Pequegnat,Jonathan Schaeffer,Claudio Satriano,Helle Pedersen,Jerome Touvier,Jean-Marie Saurel,Marie Calvet,Laurent Stehly, Patrick Arnoul,Philippe Bollard,Olivier Dewee,Fabien Engels,Marc Grunberg,Constanza Pardo,David Wolyniec, Gregory Arneodo, Rima Bouazzouz, Olivier Geber,Coralie Aubert,Mickael Langlais,Sandrine Roussel,Florent Brenguier,Wayne C. Crawford,Arnaud Lemarchand,Emeline Maufroy, Serge Olivier,Diane Rivet,Martin Vallee,Jerome Vergne,Jerome Cheze,Eric Debayle,Bertrand Delouis,Philippe Gueguen,Sophie Lambotte,Antoine Mocquet,Anne Paul,Fabrice Peix,Francois Schindele,Nikolai Shapiro,Eleonore Stutzmann, Pierre Volcke,Andrea Walpersdorf
Geophysical journal internationalno. 3 (2021): 1808-1849
Nature (2021)
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作者统计
#Papers: 146
#Citation: 4962
H-Index: 37
G-Index: 64
Sociability: 6
Diversity: 1
Activity: 42
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