Quality factor inversion determination from the analysis of body wave data
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In this investigation, a method is developed which allows the determination of the distribution of the intrinsic attenuation with depth in the earth's mantle using single body wave observations. Focal mechanism, geometrical spreading and the source function are not involved in the proposed method. Several examples are presented obeying different laws of the quality factor decreasing or increasing with depth. A case is shown where a first order discontinuity is present, and also when the hypocenter varies with depth.
KeywordsAttenuation Quality Factor Focal Mechanism Source Function Body Wave
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- D. L. Anderson andC. B. Archambeau,The Anelasticity of the Earth, J. Geophys. Res.69 (1964), 2071–2084.Google Scholar
- D. L. Anderson, A. Ben-Menahem andC. B. Archambeau,Attenuation of Seismic Energy in the Upper Mantle, J. Geophys. Res.70 (1965), 1441–1448.Google Scholar
- K. E. Bullen,Seismic Amplitudes and Velocity Laws, Bull. Intern. Inst. Seismol. Earthquake Eng.2 (1965), 37–46.Google Scholar
- H. Kanamori,Spectrum of P and PcP in Relation to the Mantle-Core Boundary and Attenuation in the Mantle (in press).Google Scholar
- H. Kanamori,Spectrum of Short-Period Core Phases in Relation to the Attenuation in the Mantle (in press).Google Scholar
- L. Knopoff, “Q”, Reviews of Geophysics2 (1964), 625–660.Google Scholar
- T. Kurita, Y. Kishimoto andT. Mikumo,Attenuation of P waves and Q distribution in the Mantle, paper presented at the Annual Meeting of the Seismological Society of Japan, (1966) May.Google Scholar
- R. Sato, andA. F. Espinosa,Dissipation in the Earth's Mantle and Rigidity and Viscosity in the Earth's Core Determined from Waves Multiply-Reflected from the Mantle Core Boundary (in press).Google Scholar
- Ta-Liang Teng,P Wave Attenuation in the Mantle, 47th Annual Meeting of the American Geophysical Union, Washington, D.C., Abstract in the Transactions AGU,47 (1966), 162–163. Also private communication.Google Scholar