Imaging discontinuities using Migration

Li Tianjue Seismic imaging

Date and time: SGT 10:00~12:00, Wed. 2019.11.06

Location: SPMS-TR+4 (SPMS-04-05)

Presented by  Yongsheng Liu

Schneider, W. A. (1978). Integral formulation for migration in two and three dimensions. Geophysics, 43(1), 49-76.

Buske, S. (1999). Three-dimensional pre-stack Kirchhoff migration of deep seismic reflection data. Geophysical Journal International, 137(1), 243-260.

Liu, G., Yu, Z., Wang, J., & Li, B. (2019). Accelerating Kirchhoff Pre-stack depth migration on a GPU by overlapping ray tracing and imaging. Computers & Geosciences, 128, 79-86.

Hill, N. R. (2001). Prestack Gaussian-beam depth migration. Geophysics, 66(4), 1240-1250.

Zhang, Y., Duan, L., & Xie, Y. (2014). A stable and practical implementation of least-squares reverse time migration. Geophysics, 80(1), V23-V31.

Zhu, H., Luo, Y., Nissen-Meyer, T., Morency, C., & Tromp, J. (2009). Elastic imaging and time-lapse migration based on adjoint methods. Geophysics, 74(6), WCA167-WCA177.

PPT

Global surface wave phase & group velocity dataset

Li Tianjue Seismic imaging

Date and time: SGT 10:00~12:00, Wed. 2019.10.16

Location: SPMS-TR+4 (SPMS-04-05)

Presented by  Jiayuan Yao

Ma, Z., Masters, G., Laske, G., & Pasyanos, M. (2014). A comprehensive dispersion model of surface wave phase and group velocity for the globe. Geophysical Journal International, 199(1), 113-135.

Ma, Z., & Masters, G. (2014). A new global Rayleigh‐and Love‐wave group velocity dataset for constraining lithosphere properties. Bulletin of the Seismological Society of America, 104(4), 2007-2026.

PDF1   PDF2   PPT

Constrain crustal structure using post-critical reflection

Li Tianjue Array seismology, Seismic imaging

Date and time: SGT 10:00~12:00, Wed. 2019.10.09

Location: SPMS-TR+4 (SPMS-04-05)

Presented by  Tianjue Li

Park Jr., E. H.,  Hawman, R. B., Fischer, K. M., et. 2016. Estimating crustal thickness using SsPmp in regions covered by low-velocity sediments: Imaging the Moho beneath the Southeastern Suture of the Appalachian Margin Experiment (SESAME) array, SE Atlantic Coastal Plain. Geophysical Research Letter, 43: 9627-9635.

PDF  PPT