Scattered wave imaging of the lithosphere–asthenosphere boundary
Scattered wave imaging of the lithosphere–asthenosphere boundary
Several recent studies have imaged discontinuities interpreted as the lithosphere–asthenosphere boundary using receiver function methods. These are exciting results since this boundary is fundamental and yet relatively elusive. Its location is not well imaged nor are its properties well understood. The receiver function method provides high depth resolution, and the multitude of studies using this method have increased lateral resolution. A better global understanding of the location and nature of the boundary is developing, which ultimately will have implications for mantle dynamics and planetary evolution. However, these new results do not all form a clear and consistent picture, and in some cases introduce new complexities and questions. Some apparent contradictions may represent unmodeled Earth structure. Overall, interpretation and synthesis requires careful consideration of the approaches and sensitivities of individual studies.
Global lithosphere–asthenosphere boundary, P-to-S and S-to-P receiver functions, Seismic imaging, Waveform modeling, sensitivity, Mantle physical, chemical properties, Mantle dynamics
173-185
Rychert, Catherine A.
70cf1e3a-58ea-455a-918a-1d570c5e53c5
Shearer, Peter M.
608a51f5-3369-49f1-adb4-4e565bef4b8c
Fischer, Karen M.
5acb751d-c894-4a40-b944-cea48b0ad966
2010
Rychert, Catherine A.
70cf1e3a-58ea-455a-918a-1d570c5e53c5
Shearer, Peter M.
608a51f5-3369-49f1-adb4-4e565bef4b8c
Fischer, Karen M.
5acb751d-c894-4a40-b944-cea48b0ad966
Rychert, Catherine A., Shearer, Peter M. and Fischer, Karen M.
(2010)
Scattered wave imaging of the lithosphere–asthenosphere boundary.
Lithos, 120 (1-2), .
(doi:10.1016/j.lithos.2009.12.006).
Abstract
Several recent studies have imaged discontinuities interpreted as the lithosphere–asthenosphere boundary using receiver function methods. These are exciting results since this boundary is fundamental and yet relatively elusive. Its location is not well imaged nor are its properties well understood. The receiver function method provides high depth resolution, and the multitude of studies using this method have increased lateral resolution. A better global understanding of the location and nature of the boundary is developing, which ultimately will have implications for mantle dynamics and planetary evolution. However, these new results do not all form a clear and consistent picture, and in some cases introduce new complexities and questions. Some apparent contradictions may represent unmodeled Earth structure. Overall, interpretation and synthesis requires careful consideration of the approaches and sensitivities of individual studies.
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Published date: 2010
Keywords:
Global lithosphere–asthenosphere boundary, P-to-S and S-to-P receiver functions, Seismic imaging, Waveform modeling, sensitivity, Mantle physical, chemical properties, Mantle dynamics
Organisations:
Geology & Geophysics
Identifiers
Local EPrints ID: 351769
URI: http://eprints.soton.ac.uk/id/eprint/351769
ISSN: 0024-4937
PURE UUID: 631d7c21-afc1-4655-9b9f-941d57662b4b
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Date deposited: 24 Apr 2013 10:31
Last modified: 14 Mar 2024 13:43
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Author:
Peter M. Shearer
Author:
Karen M. Fischer
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