S22A:
Imaging the Earth II: From Data to Processes on Regional to Global Scales III

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Session ID#: 17905

Session Description:
Through seismic imaging we infer the Earth’s dynamics, composition and evolution. Our view of the Earth is transforming with time thanks to the advent of high-density networks, new modeling techniques, and unprecedented HPC capacity. We invite presentations on seismic imaging from regional to global scales with special focus on quantitative inferences of Earth dynamics as well as discussions on the imaging method resolution that could limit our interpretations. We also welcome presentations on novel techniques that harness large emerging data sets, original measurements, and modern computational methods to develop these intriguing images. Topics like the joint inversion of complementary geophysical data sets, forward and inverse modeling of full waveforms, seismic interferometry, and probabilistic approaches will be gladly received. This session is complementary to session "Imaging the Earth I: Theory and methods at reservoir and local scales". Together, they are intended to promote communication between exploration and global seismology.
Primary Convener:  Andreas Fichtner, ETH Zurich, Institute of Geophysics, Zurich, Switzerland
Conveners:  Monica Maceira, Oak Ridge National Laboratory, Oak Ridge, TN, United States, Carene S Larmat, Los Alamos National Laboratory, Los Alamos, NM, United States and Nori Nakata, Lawrence Berkeley National Laboratory, Earth and Environmental Sciences Area, Berkeley, United States
Chairs:  Andreas Fichtner, ETH Zurich, Institute of Geophysics, Zurich, Switzerland and Monica Maceira, Oak Ridge National Laboratory, Oak Ridge, TN, United States
OSPA Liaison:  Andreas Fichtner, ETH Zurich, Institute of Geophysics, Zurich, Switzerland

Cross-Listed:
  • DI - Study of the Earth's Deep Interior
  • NS - Near Surface Geophysics
  • T - Tectonophysics
Index Terms:

3260 Inverse theory [MATHEMATICAL GEOPHYSICS]
3275 Uncertainty quantification [MATHEMATICAL GEOPHYSICS]
7270 Tomography [SEISMOLOGY]
7290 Computational seismology [SEISMOLOGY]

Abstracts Submitted to this Session:

Surface Wave Mode Conversion due to Lateral Heterogeneity and its Impact on Waveform Inversions (128825)
Arjun Datta, Indian Institute of Science Education and Research Pune, Department of Earth and Climate Science, Pune, India, Keith F Priestley, University of Cambridge, Cambridge, United Kingdom, Chris H Chapman, Retired, Washington, DC, United States and Steven W Roecker, Rensselaer Polytechnic Inst, Earth & Environmental Sciences, Troy, United States
Perturbational and Nonperturbational Inversion of Rayleigh-Wave Velocities (170500)
Victor C Tsai, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States and Matthew M Haney, U.S. Geological Survey Alaska Volcano Observatory, Anchorage, AK, United States
Full-Wave Pn Tomography of the Tibetan Plateau (143328)
Xueyang Bao, University of Rhode Island, Narragansett, RI, United States and Yang Shen, University of Rhode Island, Graduate School of Oceanography, Narragansett, RI, United States
Measurement of Rayleigh wave ellipticity and its application to the joint inversion of high-resolution S wave velocity structure beneath northeast China (146326)
Guoliang Li, China University of Petroleum, State Key Laboratory of Petroleum Resource and Prospecting, and Unconventional Natural Gas Institute, Beijing, China, Haichao Chen, China University of Petroleum at Beijing, Unconventional Petroleum Research Institute, and State Key Laboratory of Petroleum Resource and Prospecting, Beijing, China, Fenglin Niu, University of Science and Technology of China, School of Earth and Space Sciences, Hefei, China, Zhen Guo, ITAG Institute of Theoretical and Applied Geophysics, Peking University, Beijing, China, Yingjie Yang, Macquarie University, ARC Centre of Excellence for Core to Crust Fluid Systems and GEMOC, Sydney, NSW, Australia and Jun Xie, Uni. of Sci. & Tech. of China, Hefei, China
Retrieving Coherent Receiver Function Images with Dense Arrays (151958)
Minyan Zhong and Zhongwen Zhan, CalTech Seismological Laboratory, Pasadena, CA, United States
Including Anisotropy in Teleseismic Body Wave Tomography Without Node-by-Node Inversion (144069)
Maximiliano Bezada, University of Minnesota Twin Cities, Earth & Environmental Sciences, Minneapolis, MN, United States, Manuele Faccenda, Università di Padova, Dipartimento di Geoscienze, Padova, Italy and Douglas R Toomey, University of Oregon, Eugene, OR, United States
Fundamental Limitations of Resolution And Accuracy of Tomographic Regional Wave Q Models (135553)
Jiakang Xie, Air Force Research Laboratory, Albuquerque, NM, United States and Youlin Chen, Array Information Technology, Greenbelt, MD, United States
Time-marching multi-grid seismic tomography (197515)
Ping Tong, Nanyang Technological University, Division of Mathematical Sciences, School of Physical and Mathematical Sciences, Singapore, Singapore, Dinghui Yang, Tsinghua University, Beijing, China and Qinya Liu, University of Toronto, Department of Physics, Toronto, ON, Canada

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