11:00 〜 13:00 [SSS06-P08] Investigating the impact of the free surface effect and the Hurst exponent κ to the frequency dependency of seismic wave scattering through the 3D Finite Difference simulation of plane P wave propagation *Gugi Aucklandi Ganefianto1、Hisashi Nakahara1 (1.Tohoku University)