DI006
Exploring the Earth’s Core: Constraints on the Earth’s Metallic Heart from Multidisciplinary Approaches II Posters

Wednesday, 9 December 2020: 04:00-20:59
Poster
Primary Convener:  Marine Lasbleis, Université de Nantes, LPG, CNRS, Nantes, France
Conveners:  Sarah M Arveson, Yale University, Earth and Planetary Sciences, New Haven, CT, United States, Christopher J Davies, University of Leeds, School of Earth and Environment, Leeds, United Kingdom and Daniel Andrew Frost, University of California Berkeley, Berkeley Seismological Laboratory, Berkeley, CA, United States
Primary Liaison:  Marine Lasbleis, ELSI, Tokyo, Japan
Chairs:  Marine Lasbleis, ELSI, Tokyo, Japan, Sarah M Arveson, University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States, Christopher J Davies, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States and Daniel Andrew Frost, Arizona State University, Tempe, AZ, United States
OSPA Liaison:  Daniel Andrew Frost, Arizona State University, Tempe, AZ, United States
 
Inner Core Differential Rotation Inferred from Antipodal Seismic Observations (678894)
Seiji Tsuboi, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan and Rhett Butler, University of Hawaii at Manoa, Hawaii Institute of Geophysics and Planetology, Honolulu, HI, United States
 
Inner Core Rotation Captured by Earthquake Doublets and Twin Stations (695986)
Xiaodong Song and Yi Yang, Institute of Theoretical and Applied Geophysics, Peking University, Beijing, China
 
Origin of Temporal Changes of Inner-core Seismic Waves (690842)
Yi Yang and Xiaodong Song, Institute of Theoretical and Applied Geophysics, Peking University, Beijing, China
 
Probing the Inner Core Anisotropic Structure Using Global Coda-correlation Wavefield. (725424)
Thuany Costa de Lima1, Hrvoje Tkalcic1 and Lauren Waszek1,2, (1)Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia, (2)New Mexico State University, Las Cruces, United States
 
3D data sensitivities of seismic phases to the upper-most outer core and D’’ region (700330)
Ridvan Orsvuran, Géoazur - Université Nice Sophia Antipolis, Valbonne, France, John Rekoske, USGS Geologic Hazards Science Center, Golden, CO, United States and Ebru Bozdag, Colorado School of Mines, Golden, CO, United States
 
3D Transdimensional Bayesian tomography of the Earth’s inner core (666272)
Henry Brett1, Arwen Fedora Deuss1, Rhys Hawkins1, Lauren Waszek2 and Karen Lythgoe3, (1)Utrecht University, Utrecht, Netherlands, (2)New Mexico State University, Las Cruces, United States, (3)Earth Observatory of Singapore, Singapore, Singapore
 
A map of inner core scatterers from beamforming the LASA array (698385)
John Emilio Vidale1 and Wei Wang1,2, (1)University of Southern California, Los Angeles, CA, United States, (2)Scripps Institution of Oceanography, La Jolla, CA, United States
 
Assessing Intrinsic versus Scattering Attenuation in Earth’s Inner Core (703698)
Ravi Wickramathilake, University of Connecticut, Physics, Storrs, CT, United States and Vernon F Cormier, University of Connecticut, Groton, CT, United States
 
Automatic Measurement and Quality Control of S3KS-S2KS Differential Traveltime and the Influence of Mantle Heterogeneity (679208)
Qing Ji, Xianbing Zhang and Li Zhao Sr, School of Earth and Space Sciences, Peking University, Beijing, China
 
Can we identify mantle influence in paleomagnetic field reconstructions with help from geodynamo simulations? (692301)
Monika C Korte1, Catherine Constable2, Christopher J Davies3 and Sanja Panovska1, (1)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Section 2.3 – Geomagnetism, Potsdam, Germany, (2)UCSD, La Jolla, CA, United States, (3)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States
 
Intensity based predictions of the dipole field and their value in characterizing the Earth-like nature of models (703630)
Kyle Gwirtz1, Matthias Morzfeld1, Alexandre Fournier2 and Gauthier Hulot2, (1)Scripps Institution of Oceanography, La Jolla, CA, United States, (2)Université de Paris, Institut de Physique du Globe de Paris, CNRS, Paris, France
 
Numerical Geodynamo Simulations Can Capture the Long-Term Variability of the Paleomagnetic Field (750013)
Domenico G Meduri1, Andrew Biggin2, Christopher J Davies3, Richard K. Bono2 and Courtney Jean Sprain4, (1)University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, L69, United Kingdom, (2)University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom, (3)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (4)University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States
 
Strange fields: non-uniformitarian paleomagnetic records imply that the geodynamo process has been substantially perturbed on multiple occasions (734196)
Andrew John Biggin1, Annique van der Boon1, Louise Hawkins2, Daniele Thallner1, Joseph Michael Grappone Jr2, Richard K. Bono3, Domenico G Meduri4, Simon Lloyd2, Ben Handford2, Courtney Jean Sprain5 and Christopher J Davies6, (1)University of Liverpool, Liverpool, L69, United Kingdom, (2)University of Liverpool, Liverpool, United Kingdom, (3)University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom, (4)University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, L69, United Kingdom, (5)University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, (6)University of Leeds, School of Earth and Environment, Leeds, United Kingdom
 
Transport properties of metallic melts at conditions relevant to Earth’s outer core (677002)
Suraj K Bajgain, Florida State University, Earth, Ocean and Atmospheric Sciences, Tallahassee, FL, United States and Mainak Mookherjee, Florida State University, Earth, Ocean, and Atmospheric Science, Tallahassee, FL, United States
 
First-principles predictions of transport properties of liquid and solid Fe-Si alloys at Earth core conditions (734340)
Kai Luo1, Ján Minár2 and Ronald E Cohen1, (1)Carnegie Institution for Science Washington, Earth and Planets Laboratory, Washington, United States, (2)University of West Bohemia, Plzen, Czech Republic
 
Spin transitions and compressibility of ε-Fe7N3 and γ’-Fe4N: implications for iron alloys in terrestrial planetary cores (774105)
Mingda Lv1, Jiachao Liu1, Feng Zhu2, Jie Li2, Dongzhou Zhang3, Yuming Xiao4 and Susannah Dorfman1, (1)Michigan State University, Earth and Environmental Sciences, East Lansing, MI, United States, (2)University of Michigan Ann Arbor, Department of Earth and Environmental Sciences, Ann Arbor, MI, United States, (3)University of Hawaii at Manoa, Hawaii Institute of Geophysics and Planetology, School of Ocean and Earth Science and Technology, Honolulu, HI, United States, (4)Argonne National Laboratory, High Pressure Collaborative Access Team, X-ray Science Division, Argonne, IL, United States
 
The viscous and Ohmic damping of the Earth's Free Core Nutation (710584)
Santiago Andres Triana1, Jeremy Rekier1, Antony Trinh2, Ping Zhu1 and Veronique M A Dehant1, (1)Royal Observatory of Belgium, Brussels, Belgium, (2)University of Arizona, Lunar and Planetary Laboratory, Tucson, AZ, United States
 
Approaching the Geodynamo Through an Inviscid Convective Dynamo Model (670059)
Jiawen Luo1, Andy Jackson2 and Phlippe Marti1, (1)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (2)ETH Zurich, Zurich, Switzerland
 
Lowering the Memory Footprint of Fully Spectral Full Sphere Simulations (696646)
Philippe Marti and Andy Jackson, ETH Zurich, Zurich, Switzerland
 
Dynamo simulations with a stratified F-layer at the base of Earth's outer core (674138)
Jenny Wong, Institut de Physique du Globe de Paris, Paris, France; ISTerre, Grenoble, France and Julien Aubert, Institut de Physique du Globe, Paris, France
 
Effects of depth-dependent conductivity on the geodynamo (683660)
Peter E Driscoll, Carnegie Institution for Science Washington, Washington, DC, United States, Kai Luo, Carnegie Institution for Science Washington, Earth and Planets Laboratory, Washington, United States and Cian R Wilson, Carnegie Institution for Science, Department of Terrestrial Magnetism, Washington, DC, United States
 
Thermal structure at the inner core boundary in dynamo simulations with heat equation for the whole core (740873)
Hiroaki Matsui, University of California Davis, Davis, CA, United States