globalchange  > 气候减缓与适应
DOI: 10.1002/2013GL057680
论文题名:
Sn propagation in the Western United States from common midpoint stacks of USArray data
作者: Buehler J.S.; Shearer P.M.
刊名: Geophysical Research Letters
ISSN: 0094-8309
EISSN: 1944-8040
出版年: 2013
卷: 40, 期:23
起始页码: 6106
结束页码: 6111
语种: 英语
英文关键词: Sn propagation ; uppermost mantle attenuation ; USArray
Scopus关键词: Basin and range ; Colorado Plateau ; Common mid points ; Lateral variations ; Spatial resolution ; Uppermost mantle ; USArray ; Western United States ; Structural geology ; Tin ; array ; data set ; lithosphere ; mantle ; physical property ; seismic attenuation ; sensitivity analysis ; spatial resolution ; temperature effect ; Colorado Basin [North America] ; Great Basin ; United States
英文摘要: The regional seismic phase Sn propagates horizontally in the uppermost mantle and is sensitive to lateral variations in mantle lid thickness, temperature, and melt. Sn is therefore often used as an indicator for physical properties of the lithosphere. It has previously been noticed that Sn is not observed at many stations in the Western United States and Sn seems especially highly attenuated for paths across the Basin and Range. Here we apply stacking methods to USArray data to identify highly attenuating regions in the uppermost mantle and increase the spatial resolution of the Sn propagation image. We find evidence for Sn propagation at short ranges in the central Great Basin and the northeastern part of the Colorado Plateau, both regions where lithospheric stability and thickness is debated, and observe strong Sn attenuation around the perimeter of the central Great Basin. Key Points Sn is highly attenuated across more localized regions that previously assumed Sn is strongly attenuated around the perimeter of the central Great Basin We find evidence for Sn propagation at short ranges in the central Great Basin ©2013. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84891607585&doi=10.1002%2f2013GL057680&partnerID=40&md5=515c8eb673c2ff231904de422ed442f2
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/5573
Appears in Collections:气候减缓与适应

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作者单位: Scripps Institution of Oceanography, University of California, San Diego, San Diego, CA 92093-0225, United States

Recommended Citation:
Buehler J.S.,Shearer P.M.. Sn propagation in the Western United States from common midpoint stacks of USArray data[J]. Geophysical Research Letters,2013-01-01,40(23).
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