robert l. nowack ph.d. geophysics, mit –wave propagation in seismology using gaussian beam fields...

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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

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Page 1: Robert L. Nowack Ph.D. Geophysics, MIT –Wave Propagation in Seismology Using Gaussian Beam Fields Postdoctoral Fellowship at MIT Earth Resources Laboratory

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

Page 2: Robert L. Nowack Ph.D. Geophysics, MIT –Wave Propagation in Seismology Using Gaussian Beam Fields Postdoctoral Fellowship at MIT Earth Resources Laboratory

Current Research Areas

Migration Imaging of Using Gaussian beams

Page 3: Robert L. Nowack Ph.D. Geophysics, MIT –Wave Propagation in Seismology Using Gaussian Beam Fields Postdoctoral Fellowship at MIT Earth Resources Laboratory

Current Research Areas

Migration Imaging of Using Gaussian beams

Synthetic Ps Gaussian beam migration image.

Synthetic PpPp Gaussian beam migration image.

Page 4: Robert L. Nowack Ph.D. Geophysics, MIT –Wave Propagation in Seismology Using Gaussian Beam Fields Postdoctoral Fellowship at MIT Earth Resources Laboratory

Current Research Areas

Autoregressive Seismic Tomography

Ray diagram for full ray coverage Ray diagram for partial ray coverage

Page 5: Robert L. Nowack Ph.D. Geophysics, MIT –Wave Propagation in Seismology Using Gaussian Beam Fields Postdoctoral Fellowship at MIT Earth Resources Laboratory

Current Research AreasSeismic Tomography Using Autoregressive Extrapolation as a

Regularization

Inversion with partial dataInversion with full dataOriginal Model