Education:

  • Ph.D. in Seismic, Geophysics:
               Institute of Geophysics, University of Tehran, Tehran, Iran, 2014-2020.        
               Thesis Topic: High-resolution reverse-time migration
               Supervisor: Professor Hamidreza Siahkoohi.
  • M.S. in Seismic, Geophysics:
               Institute of Geophysics, University of Tehran, Tehran, Iran, 2012-2014.
               Thesis Topic: Seismic Velocity Estimation via Total Variation Regularization of Born Approximation
               Supervisors: Professor Ali Gholami and Professor Mauricio Sacchi.
  • B.S. in Physics:                                                                      
               School of Physics, Department of the Sciences, University of Tehran, Tehran, Iran, 2008-2012.

Project:

  • “Improving the quality of seismic imaging by incorporating free-surface multiple reflections in wave-based depth migration”, National Science Centre of Poland SONATA 19, 2024-2027, PI.

Research interests:

  • Waveform Inversion
  • Seismic Imaging
  • Inversion Theory
  • Crustal-scale Imaging
  • Least-squares Reverse Time Migration
  • Optimization Algorithm
  • Marine Geophysics
  • Numerical Method

Publications:

  • Zand, T., & Górszczyk, A. (2024). Integrated algorithm for high‐resolution crustal‐scale imaging using complementary OBS and streamer data. Earth and Space Science, 11(2), e2023EA003264.
  • Zand, T., Ghasemzadeh, H., Gholami, A., & Malcolm, A. (2023). Least-squares reverse time migration with shifted total variation regularization. Geophysics, 88(2), S59-S69.
  • Zand, T., & Siahkoohi, H. R. (2021). Sparsity‐promoting least‐squares reverse time migration via preconditioned Bregmanized operator splitting. Geophysical Prospecting, 69(4), 727-744.
  • Zand, T., Siahkoohi, H. R., Malcolm, A., Gholami, A., & Richardson, A. (2020). Consensus optimization of total variation–based reverse time migration. Computational Geosciences, 24, 1393-1407.
  • Zand, T., Malcolm, A., Gholami, A., & Richardson, A. (2019). Compressed imaging to reduce storage in adjoint-state calculations. IEEE Transactions on Geoscience and Remote Sensing, 57(11), 9236-9241.
  • Gholami, A., Richardson, A., Zand, T., & Malcolm, A. (2019). Efficient wavefield reconstruction at half the Nyquist rate. Geophysics, 84(5), A43-A46.
  • Gholami, A., & Zand, T. (2018). Three-parameter Radon transform based on shifted hyperbolas. Geophysics, 83(1), V39-V48.
  • Zand, T., & Gholami, A. (2018). Total-variation based velocity inversion with Bregmanized operator splitting algorithm. Journal of Applied Geophysics, 151, 1-10.
  • Gholami, A., & Zand, T. (2017). Fast ℓ1-regularized Radon transforms for seismic data processing. Digital Signal Processing, 71, 83-94.