Browsing Геология России by Author "Xia J."
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Browsing Геология России by Author "Xia J."
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Xia J.; Miller R.D.; Park C.B.; Wightman E.; Nigbor R. (2002)The shallow shear-wave refraction method works successfully in an area with a series of horizontal layers. However, complex near-surface geology may not fit into the assumption of a series of horizontal layers. That a plane ...
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Xia J.; Franseen E.K.; Miller R.D.; Weis T.V. (2004)We successfully applied deterministic deconvolution to real ground-penetrating radar (GPR) data by using the source wavelet that was generated in and transmitted through air as the operator. The GPR data were collected ...
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Xia J.; Miller R.D.; Park C.B.; Tian G. (2002)High-frequency (=<2 hz) rayleigh wave phase velocities can be inverted to shear (s)-wave for a layered earth model up 30 m below the ground surface in many settings. given s-wave velocity (vS), compressional (P)-wave ...
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Xia J.; Engstrom D.R.; Ito E. (1997)Reconstruction of lake paleochemistry from the isotope and trace-element composition of fossil ostracodes requires an understanding of geochemical variations induced by the seasonality of shell formation. Monthly field ...
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Xia J.; Franseen E.K.; Miller R.D.; Weis T.V.; Byrnes A.P. (2003)Resolution is key to confidently identifying unique geologic features using ground-penetrating radar (GPR) data. Source wavelet ''ringing'' (related to bandwidth) in a GPR section limits resolution because of wavelet ...
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Xia J.; Miller R.D.; Park C.B.; Tian G. (2003)The phase velocity of Rayleigh-waves of a layered earth model is a function of frequency and four groups of earth parameters: compressional (P)-wave velocity, shear (S)-wave velocity, density, and thickness of layers. For ...
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