Smoothed basin velocity structure model of the Kanto Sedimentary Basin (Takemura et al., 2015)
DOI10.5281/zenodo.3514564Zenodo3514564MaRDI QIDQ6706715
Dataset published at Zenodo repository.
Author name not available (Why is that?)
Publication date: 1 March 2015
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Model description We constructed sedimentary S-wave velocity structure model of the Northern Kanto region using 190local S-wave velocity structures. In the uploaded files of Takemura2015_V0..dat and Takemura2015_Alpha.dat, longitudes, latitudes and values of\(V_0\)(and\(\alpha\)) at 190 local points are listed. Our model of the sedimentary basin was described by two parameters of a simple velocity gradient function (Ravve and Koren 2006). The depth gradient function is described as \(V_S(z)=V_0+\Delta V\left[1-\exp\left(-\frac{\alpha z}{\Delta V}\right)\right]\) where\(V_0\) is theS-wave velocity at the surface (z=thinsp;0),\(\Delta V\)is S-wave velocity of the bedrock (3.2 km/s), and\(\alpha\)is the positive constant that determines the velocity-depth gradient. 3D sedimentary model construction After applying GMT surface to each parameter, spatial variations of both two parameters were obtained. Using obtained spatial distributions of\(V_0\)and\(\alpha\)and thedepth gradient function, 3D sedimentary velocity structure of the Northern Kanto region could be constructed. Citation Takemura, S., Akatsu, M., Masuda, K., Kajikawa, K., Yoshimoto, K., (2015),Long-period ground motions in a laterally inhomogeneous large sedimentary basin: observations and model simulations of long-period surface waves in the northern Kanto Basin, Japan, Earth, Planets and Space,67:33, doi:10.1186/s40623-015-0201-7
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