Advanced Seismic Tomography and Migration Imaging Using Gaussian Beam Fields
Robert L. Nowack, Ph.D., a prominent geophysicist at MIT, specializes in wave propagation and seismic tomography. His work involves innovative techniques such as Gaussian beam migration imaging and regularization methods using autoregressive extrapolation. Through his postdoctoral fellowship at the MIT Earth Resources Laboratory, he has contributed significantly to understanding seismic attributes and developing methods for imaging teleseismic waves. His research endeavors, supported by NSF and NEHRP funding, address complex electromagnetic inverse problems and enhance the processing of seismic data for improved interpretation.
Advanced Seismic Tomography and Migration Imaging Using Gaussian Beam Fields
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Presentation Transcript
Robert L. Nowack • Ph.D. Geophysics, MIT • Wave Propagation in Seismology Using Gaussian Beam Fields • Postdoctoral Fellowship at MIT Earth Resources Laboratory • Seismic Tomography of Seismic Attributes • Professor, Department of Earth and Atmos. Science, College of Science • Migration Imaging of Teleseismic Waves • Regularization of Tomography problems using Autoregressive Extrapolation Methods • Electromagnetic Inverse Problems for Soil Properties • Funding from NSF and NEHRP
Current Research Areas Migration Imaging of Using Gaussian beams
Current Research Areas Migration Imaging of Using Gaussian beams Synthetic PpPp Gaussian beam migration image. Synthetic Ps Gaussian beam migration image.
Ray diagram for full ray coverage Ray diagram for partial ray coverage Current Research Areas Autoregressive Seismic Tomography
Current Research Areas Seismic Tomography Using Autoregressive Extrapolation as a Regularization Original Model Inversion with full data Inversion with partial data
