Effects of Heterogeneities on the Propagation, Scattering and Attenuation of Seismic Waves and the Characterization of Seismic Source.
Semi-annual rept. 2 Jan-30 Jun 84,
MASSACHUSETTS INST OF TECH CAMBRIDGE EARTH RESOURCES LAB
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This study has examined the attenuation of localregional S codas from 0.25 Hz to Hz in the Hindu Kush region. A goal study was to separate the relative contribution of scattering versus intrinsic anelasticity to the attenuation of coda waves. Coda attenuation has been analyzed in the frequency domain using a radiative transfer equation technique, which includes multiple scattering, and in the time domain using weak and strong scattering approximations.