Titlebook: Q of the Earth: Global, Regional, and Laboratory Studies; Brian J. Mitchell,Barbara Romanowicz Book 1999 Springer Basel AG 1999 Borehole.G

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A Model to Study the Bias on , Estimates Obtained by Applying the Rise Time Method to Earthquake Datravel time. This method, known as the rise time method, was theoretically justified for an impulsive source time function (Dirac delta function). . and . (1996), throughout finite difference calculations, showed that, when considering finite source time functions, characterized by a cut-off frequenc

contrast-medium

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Antagonism

Frequency-dependent Attenuation of High-frequency , and , Waves in the Upper Crust in Western Naganothe frequency-dependent characteristics of .- and .-wave attenuation in the upper crust. The records from a three-component velocity seismometer at the depth of 145 m exhibit high S/N-ratio in a wide frequency range up to 100 Hz. Extended coda normalization methods were applied to bandpass-filtered

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Seismic Velocity and , Structure of the Middle Eastern Crust and Upper Mantle from Surface-wave Dispve . structure in the Middle East using a two-station method. Additional information on . structure variation within each region was obtained by studying amplitude spectra of fundamental-mode and higher-mode Rayleigh waves. We obtained models for the Turkish and Iranian Plateaus (Region 1), areas su

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Seismic Attenuation Computed from GLIMPCE Reflection Data and Comparison with Refraction Resultsisciplinary Program on Crustal Evolution (GLIMPCE) experiment. The differential attenuation values were converted to apparent .. models by a fitting procedure that simultaneously solves for the interval .. values using non-negative least squares. The bootstrap method was then used to estimate the va

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Regional Variation of , Coda , in the Continental United States and its Relation to Crustal Structur ratio method we obtained estimates of .. (. coda . at 1 Hz) and its frequency dependence, ., for 218 event-station pairs. Those sets of estimates were inverted using a back-projection method to obtain tomographic images showing regional variations of .. and .. .. is lowest (250–300) in the Californ