globalchange  > 科学计划与规划
DOI: 10.1002/2016GL069483
论文题名:
Intraplate volcanism controlled by back-arc and continental structures in NE Asia inferred from transdimensional Bayesian ambient noise tomography
作者: Kim S.; Tkalčić H.; Rhie J.; Chen Y.
刊名: Geophysical Research Letters
ISSN: 0094-8764
EISSN: 1944-8495
出版年: 2016
卷: 43, 期:16
起始页码: 8390
结束页码: 8398
语种: 英语
英文关键词: ambient noise tomography ; back arc ; crustal and upper mantle structure of Northeast Asia ; intraplate volcanism ; surface wave analysis ; transdimensional Bayesian inversion
Scopus关键词: Acoustic noise ; Geochemistry ; Lithology ; Surface waves ; Tectonics ; Tomography ; Velocity ; Volcanoes ; Ambient noise tomographies ; Back-arc ; Bayesian inversion ; Intraplate volcanism ; Northeast Asia ; Surface-wave analysis ; Structural geology
英文摘要: Intraplate volcanism adjacent to active continental margins is not simply explained by plate tectonics or plume interaction. Recent volcanoes in northeast (NE) Asia, including NE China and the Korean Peninsula, are characterized by heterogeneous tectonic structures and geochemical compositions. Here we apply a transdimensional Bayesian tomography to estimate high-resolution images of group and phase velocity variations (with periods between 8 and 70 s). The method provides robust estimations of velocity maps, and the reliability of results is tested through carefully designed synthetic recovery experiments. Our maps reveal two sublithospheric low-velocity anomalies that connect back-arc regions (in Japan and Ryukyu Trench) with current margins of continental lithosphere where the volcanoes are distributed. Combined with evidences from previous geochemical and geophysical studies, we argue that the volcanoes are related to the low-velocity structures associated with back-arc processes and preexisting continental lithosphere. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84981745173&doi=10.1002%2f2016GL069483&partnerID=40&md5=778f7e1f2db5c8cb98f3828f8bbed3b5
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9727
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Research School of Earth Sciences, Australian National University, Canberra, ACT, Australia

Recommended Citation:
Kim S.,Tkalčić H.,Rhie J.,et al. Intraplate volcanism controlled by back-arc and continental structures in NE Asia inferred from transdimensional Bayesian ambient noise tomography[J]. Geophysical Research Letters,2016-01-01,43(16).
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