GP23B:
PL-O Coupling: Connecting Planetary Lithospheres to Outer Cores II Posters

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Session ID#: 12741

Session Description:
Planetary interiors are connected systems. Earth's inner core solidifies under conditions controlled by the outer core and overlying mantle.  Thermal disequilibrium between mantle and core drive deep mantle instabilities, which affect magnetic field generation in the core. Experimental, theoretical and numerical approaches are complementary to understanding the dynamics of deep planetary interiors. Recent advances in these fields are this session’s focus.

Other planets display a variety of internal dynamics.  Lithospheric rheology and tectonics are critical for cooling the deep interior and driving planetary magnetic fields.  Synthesis of observations with theory relating to the coupled behaviors of whole planet systems is an end goal of deep interior geophysics.  Outer cores that maintain magnetic dynamos offer a natural laboratory for such theories.  Naturally we seek contributions that broadly connect the properties and dynamics of different parts of Earth and planetary interiors.

Oral presentations in this session may be 7-minute lightning talks.

Primary Convener:  Jonathan M Aurnou, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States
Conveners:  Jonathan M Aurnou, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States, Peter E Driscoll, Carnegie Science, Earth & Planets Lab, Washington, United States and Moritz H Heimpel, University of Alberta, Department of Physics, Edmonton, AB, Canada
Chairs:  Moritz H Heimpel, University of Alberta, Department of Physics, Edmonton, AB, Canada, Peter E Driscoll, Carnegie Science, Earth & Planets Lab, Washington, United States and Jonathan M Aurnou, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States
OSPA Liaison:  Peter E Driscoll, Carnegie Science, Earth & Planets Lab, Washington, United States

Cross-Listed:
  • DI - Study of the Earth's Deep Interior
  • P - Planetary Sciences
  • T - Tectonophysics
Index Terms:

1510 Dynamo: theories and simulations [GEOMAGNETISM AND PALEOMAGNETISM]
5430 Interiors [PLANETARY SCIENCES: SOLID SURFACE PLANETS]
8120 Dynamics of lithosphere and mantle: general [TECTONOPHYSICS]
8121 Dynamics: convection currents, and mantle plumes [TECTONOPHYSICS]

Abstracts Submitted to this Session:

A generalized quasi-geostrophic core flow formalism (147357)
Hagay Amit, University of Nantes, Laboratory of Planetology and Geosciences, Nantes Cedex 03, France and Maélie Coutelier, GSMA - University of Reims Champagne-Ardennes, Reims, France
Identification and onset of inertial modes in the wide-gap spherical Couette system (141098)
Dr. Ankit Barik, Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany; Georg-August-Universitaet Goettingen, Goettingen, Germany, Johannes Wicht, Max Planck Institute for Solar System Research, Goettingen, Germany, Santiago Andres Triana, Katholieke Universiteit Leuven, Leuven, Belgium and Michael Hoff, Brandenburg Technical University Cottbus, Cottbus, Germany

The Oscillatory Nature of Rotating Convection in Liquid Metal (142726)

Vincent Luc Bertin, Ecole Normale Supérieure Paris, Physique, Paris, France, Alexander M Grannan, University of California Los Angeles, Los Angeles, CA, United States and Jonathan M Aurnou, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States
Coupling the Earth's Rotational and Gravito-Inertial Modes (160937)
Santiago Andres Triana1, Jeremy Rekier2, Antony Trinh2, Raphael Laguerre2, Veronique M A Dehant3 and Ping Zhu4, (1)Observatoire Royal de Belgique, Reference Systems and Planetology, Brussels, Belgium, (2)Royal Observatory of Belgium, Brussels, Belgium, (3)Observatoire Royal de Belgique, Brussel, Belgium, (4)Observatoire Royal de Belgique, Brussels, Belgium
Dynamo action in the limit of small Rossby and magnetic Prandtl numbers (144483)
Michael A Calkins1, Louie Long2, David Nieves3, Keith A Julien2 and Steven Tobias4, (1)University of Colorado, Boulder, Department of Physics, Boulder, CO, United States, (2)Univ of Colorado--Boulder, Applied Mathematics, Boulder, CO, United States, (3)University of Colorado at Boulder, Applied Mathematics, Boulder, CO, United States, (4)Mathematics, University of Leeds, Leeds, United Kingdom
Diffusivity-free Scaling Laws for Earth and Planetary Dynamos: A Reassessment (146438)
Alexandre Fournier1, Thomas Gastine2 and Julien Aubert2, (1)Université de Paris, Institut de Physique du Globe de Paris, CNRS, Paris, France, (2)Institut de Physique du Globe de Paris, Paris, France
Flow driven in the outer core of a precessing planet with an inner core (176323)
Raphael Laguerre1, Jerome Noir2, Nathanaël Schaeffer3, David Cebron4 and Veronique M A Dehant1, (1)Royal Observatory of Belgium, Brussels, Belgium, (2)ETH Swiss Federal Institute of Technology Zurich, Zürich, Switzerland, (3)ISTerre, Université Grenoble Alpes, CNRS, Grenoble, France, (4)ISTerre Institute of Earth Sciences, Saint Martin d'Hères, France
Multiscale model of global inner-core anisotropy induced by hcp-alloy plasticity (154923)
Renaud Deguen, University Claude Bernard Lyon 1, Villeurbanne, France, Ainhoa Lincot, University Joseph Fourier Grenoble, Grenboble, France, Philippe Cardin, ISTerre Institute of Earth Sciences, Saint Martin d'Hères, France and Sebastien Merkel, Univ. Lille, Lille, France
Zonal Acoustic Velocimetry in 30-cm, 60-cm, and 3-m Laboratory Models of the Outer Core (187422)
Minh Nhat Doan1,2, Ruben Rojas3, Matthew M Adams1, Anthony Robert Mautino1, Douglas Stone1, Vedran Lekic1 and Daniel Perry Lathrop3, (1)University of Maryland College Park, College Park, MD, United States, (2)Keio University, Tokyo, Japan, (3)University of Maryland College Park, Department of Physics, College Park, MD, United States
Onset of thermal convection in rapidly rotating spheres and spheroids at very low Ekman number (157484)
Stefano Maffei, University of Colorado, Department of Physics, Boulder, CO, United States, Andy Jackson, ETH Zurich, Zurich, Switzerland and Philip W Livermore, University of Leeds, School of Earth and Environment, Leeds, LS2, United Kingdom
Fully three dimensional simulations of rotating convection at low Prandtl number (159365)
Nathanaël Schaeffer1, Elliot Kaplan2 and Philippe Cardin2, (1)ISTerre, Université Grenoble Alpes, CNRS, Grenoble, France, (2)ISTerre Institute of Earth Sciences, Saint Martin d'Hères, France

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