DI23C:
Pillars of Deep Earth Research: Accomplishments, Limitations, and the Road Ahead I

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Session ID#: 16735

Session Description:
Much of the progress in our understanding of Earth’s deep interior in the last 3 decades has been enabled by a handful of big ideas, both conceptual and related to infrastructure development. These include: investigating the long-wavelength structure of the mantle and linking it to mantle dynamics; systematically characterizing earthquakes around the globe through moment tensor analysis; and, creating reference seismological models of Earth structure for use in mineral physics and geodynamics. Additionally, these big ideas centered on creating systems for acquiring and openly distributing globally relevant high-quality data, establishing a culture of data sharing, and educating the next generation of interdisciplinary scientists. We invite submissions from across disciplines that: 1. address new insights into large scale deep Earth structure and processes; 2. identify limitations of, suggest improvements to, and/or propose the next generation of approaches, observations, and systems that will inform global deep Earth studies over the coming decades.
Primary Convener:  Vedran Lekic, University of Maryland College Park, College Park, MD, United States
Conveners:  Barbara A Romanowicz, University of California Berkeley, Department of Earth and Planetary Science, Berkeley, United States, Louise H Kellogg, University of California - Davis, Earth and Planetary Sciences, Davis, CA, United States and Sujoy Mukhopadhyay, Arizona State University, Department of Earth and Planetary Sciences, Tempe, AZ, United States
Chairs:  Louise H Kellogg, University of California - Davis, Earth and Planetary Sciences, Davis, CA, United States and Vedran Lekic, University of Maryland College Park, College Park, MD, United States
OSPA Liaison:  Vedran Lekic, University of Maryland College Park, College Park, MD, United States

Cross-Listed:
  • S - Seismology
  • T - Tectonophysics
  • V - Volcanology, Geochemistry and Petrology
Index Terms:

1038 Mantle processes [GEOCHEMISTRY]
7215 Earthquake source observations [SEISMOLOGY]
7294 Seismic instruments and networks [SEISMOLOGY]
8124 Earth's interior: composition and state [TECTONOPHYSICS]

Abstracts Submitted to this Session:

Pacific Array of, by and for Global Deep Earth Research (Invited) (120939)
Hitoshi Kawakatsu, Earthquake Research Institute, The University of Tokyo, Tokyo, Japan
Seismometry in the Oceans: First Observations from an Array of Mermaids near Galapagos (130454)
Guust Nolet, Géoazur - Université Nice Sophia Antipolis, Valbonne, France, Yann Hello, Géoazur - Université Nice Sophia Antipolis, Research and Development, Valbonne, France, Sebastien Bonnieux, OSEAN, Le Pradet, France, John Chen, Southern University of Science and Technology, Department of Ocean Science and Engineering, Shenzhen, China, Andres Pazmino, INOCAR, Guayaquil, Ecuador, Anne Deschamps, UNS/CNRS, Valbonne, France, Marc M Regnier, Géoazur - Université Côte d'Azur - IRD - CNRS - Observatoire de la côte d'Azur, Valbonne, France, Yvonne Font, Université Côte d’Azur, IRD, CNRS, Observatoire de la Côte d’Azur, Géoazur, Valbonne, France, Suzan van der Lee, Northwestern University, Evanston, IL, United States and Frederik Simons, Princeton University, Department Of Geosciences, Princeton, United States
Next-Generation Global Adjoint Tomography Models (158216)
Ebru Bozdag1, Matthieu Philippe Lefebvre2, Wenjie Lei3, Daniel B Peter4, Youyi Ruan2, James A Smith5, Dimitri Komatitsch6 and Jeroen Tromp3, (1)University of Nice-Sophia Antipolis, Nice, France, (2)Princeton University, Princeton, NJ, United States, (3)Princeton University, Geosciences, Princeton, NJ, United States, (4)King Abdullah University of Science and Technology, Physical Sciences and Engineering, Thuwal, Saudi Arabia, (5)Princeton University, Civil and Environmental Engineering, Princeton, United States, (6)CNRS, Laboratory of Mechanics and Acoustics, Marseille, France
Whole Earth P-wave Structure from Transdimensional Tomography (174665)
Scott Burdick, Wayne State University, Department of Environmental Science and Geology, Detroit, MI, United States, Pritwiraj Moulik, University of Maryland College Park, Department of Geology, College Park, MD, United States, Lauren Waszek, University of Maryland College Park, Department of Geology, College Park, United States and Vedran Lekic, University of Maryland College Park, College Park, MD, United States
Tidal Tomography: New Insights into Long Wavelength Deep Mantle Buoyancy Structure (175365)
Harriet C. P. Lau, Brown University, Earth, Environmental, and Planetary Sciences, Providence, United States, James L Davis, Columbia University of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Jerry X Mitrovica, Harvard University, Department of Earth and Planetary Sciences, Cambridge, United States, Jeroen Tromp, Princeton University, Geosciences, Princeton, NJ, United States, David Al-Attar, University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom, Konstantin Latychev, Harvard University, Department of Earth and Planetary Sciences, Cambridge, NY, United States and Hsin-Ying Yang, National Taiwan University, Taipei, Taiwan
Persistence of Strong Silica-Enriched Domains in the Earth's Lower Mantle (190301)
Maxim Ballmer1,2, Christine T Houser3, John W Hernlund3, Renata Wentzcovitch4 and Kei Hirose5, (1)Tokyo Institute of Technology, ELSI, Tokyo, Japan, (2)University College London, ETH Zürich, London, United Kingdom, (3)Earth-Life Science Institute, Meguro, Tokyo, Japan, (4)University of Minnesota Twin Cities, Minneapolis, MN, United States, (5)Tokyo Institute of Technology, Earth-Life Science Institute, Tokyo, Japan
The past is the key: the potential of geodynamic retrodictions for testing our understanding of deep Earth dynamics (134215)
Hans-Peter Bunge1, Lorenzo Colli1 and Siavash Ghelichkhan2, (1)Ludwig Maximilians University of Munich, Munich, Germany, (2)Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia
A Mission to Earth’s Center (Invited) (123778)
Peter Olson, Johns Hopkins University, Department of Earth and Planetary Sciences, Baltimore, MD, United States

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