S21C:
Imaging the Earth II: From Data to Processes on Regional to Global Scales II

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Session ID#: 17900

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:  Andreas Fichtner, ETH Zurich, Institute of Geophysics, Zurich, Switzerland, Monica Maceira, Oak Ridge National Laboratory, Oak Ridge, TN, United States and Carene S Larmat, Los Alamos National Laboratory, Los Alamos, NM, United States
Chairs:  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
OSPA Liaison:  Nori Nakata, Lawrence Berkeley National Laboratory, Earth and Environmental Sciences Area, Berkeley, United States

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:

The Atlas of the Underworld – a global compilation of slab remnants imaged by tomography and dated through geology (Invited) (126663)
Douwe J J Van Hinsbergen1, Douwe van der Meer2 and Wim Spakman2, (1)Utrecht University, Earth Sciences, Utrecht, Netherlands, (2)Utrecht University, Utrecht, Netherlands
Finding the last ~200Ma of subducted lithosphere in tomography and incorporating it into plate reconstructions (127881)
John Suppe1, Jonny Wu2 and Yi-Wei Chen2, (1)University of Houston, Department of Earth and Atmospheric Sciences, Houston, United States, (2)University of Houston, Department of Earth and Atmospheric Sciences, Houston, TX, United States
TX2016SLAB: a P and S Velocity Mantle Model Starting from 3-D Slab (140055)
Chang Lu and Stephen P Grand, University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States
The thermal structure of cratonic lithosphere from global Rayleigh wave attenuation (176775)
Colleen A Dalton, Brown University, Department of Earth, Environmental and Planetary Sciences, Providence, RI, United States, Xueyang Bao, University of Rhode Island, Narragansett, RI, United States and Zhitu Ma, Brown University, Department of Earth, Environmental, and Planetary Sciences, Providence, RI, United States
Constraints on Flow Dynamics within the Oceanic Asthenosphere from a High-Resolution Analysis of Seismic Anisotropy in the Central Pacific (148826)
PeiYing Patty Lin, TORI Taiwan Ocean Research Institute, Kaohsiung, Taiwan, James B Gaherty, Organization Not Listed, Washington, DC, United States, Ge Jin, LDEO, Columbia Univ., Palisades, NY, United States, John A Collins, WHOI, Woods Hole, MA, United States, Daniel Lizarralde, Woods Hole Oceanographic Institution, Woods Hole, MA, United States, Rob L Evans, Woods Hole Oceanographic Institution, Marine Geology and Geophysics, Woods Hole, MA, United States and Greg Hirth, Brown University, Department of Earth, Environmental and Planetary Sciences, Providence, RI, United States
The influence of shear-velocity heterogeneity on ScS2/ScS amplitude ratios and estimates of Q in the mantle (124213)
Jeroen Ritsema, University of Michigan, Department of Earth and Environmental Sciences, Ann Arbor, MI, United States and Carlos A. M. Chaves, University of Michigan Ann Arbor, Ann Arbor, MI, United States
3D radially anisotropic structure of the North American upper mantle based on adjoint tomography and the USArray  (134560)
Hejun Zhu, University of Texas at Dallas, Physics, Richardson, TX, United States and Jeroen Tromp, Princeton University, Geosciences, Princeton, NJ, United States
Automated Full Waveform Inversion for North America and the Northern Atlantic (189452)
Lion Krischer, ETH Zurich, Department of Earth Sciences, Institute of Geophysics, Zurich, Switzerland, Andreas Fichtner, ETH Zurich, Institute of Geophysics, Zurich, Switzerland, Christian Boehm, Institute of Geophysics, ETH Zurich, Zurich, Switzerland and Heiner Igel, Ludwig Maximilian University of Munich, Department of Earth and Environmental Sciences, Munich, Germany

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