1 / 1

South American event

Direct Detection of Sharp U pper-Mantle Structures Beneath the Western United States Using Waveform Complexity Analysis. South American event. Complexity ( D LR ). Amplitude. Data-Synth ( D T ).

wanda
Télécharger la présentation

South American event

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Direct Detection of Sharp Upper-Mantle Structures Beneath the Western United States Using Waveform Complexity Analysis South American event Complexity (DLR) Amplitude Data-Synth (DT) • Many TA waveforms exhibit significant complexity (ΔLR) that can be described by a multi-pathingeffect • Larger ΔLR values = more complex waveform • Large ΔLR values are associated with low amplitudes. • Azimuthal dependence in ΔLRis observed, suggesting that the anomalies in the upper-mantle beneath western US mainly dip to the south. Kamchatka event • [Sun and Helmberger, 2011, GJI]

More Related