Significant Variation of Post-critical SsPmp Amplitude as a Result of Variation in Near-surface Velocity: Observations from the Yellowknife Array

Gabriel Ferragut, North Dakota State University Main Campus, Fargo, ND, United States, Tianze Liu, Stanford Univ, Stanford, CA, United States and Simon L Klemperer, Stanford University, Department of Geophysics, Stanford, CA, United States