FRECHET KERNELS FOR BODY-WAVE AMPLITUDES
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dc.contributor.author | Dahlen F.A. | |
dc.contributor.author | Baig A.M. | |
dc.date.accessioned | 2021-04-20T02:36:37Z | |
dc.date.available | 2021-04-20T02:36:37Z | |
dc.date.issued | 2002 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=1205371 | |
dc.identifier.citation | Geophysical Journal International, 2002, 150, 2, 440-466 | |
dc.identifier.issn | 0956-540X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/28175 | |
dc.description.abstract | We derive a 3D Frechet sensitivity kernel relating the rms amplitude of a far-field, broad-band body-wave pulse to laterally heterogeneous seismic slowness variations within the earth. Unlike the 'banana-doughnut' sensitivity kernel for a cross-correlation traveltime, the amplitude Frechet kernel for a turning wave is maximally sensitive, rather than completely insensitive, to the 3D slowness perturbation along the central source-to-receiver ray. In the asymptotic limit of an infinite-frequency pulse, our 3D amplitude kernel formulation is consistent with the dominant 1D integral involving the cross-path curvature of the slowness perturbation along the unperturbed geometrical ray. | |
dc.subject | BODY WAVES | |
dc.subject | FRECHET DERIVATIVES | |
dc.subject | GLOBAL SEISMOLOGY | |
dc.subject | PERTURBATION METHODS | |
dc.subject | RAY THEORY | |
dc.subject | TOMOGRAPHY | |
dc.title | FRECHET KERNELS FOR BODY-WAVE AMPLITUDES | |
dc.type | Статья |
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