Probing the Deep Earth Interior by using in synergy observations of the Earth’s gravity and magnetic fields, and of the Earth’s rotation
Conveners: Anny Cazenave (LEGOS & ISSI), Mioara Mandea (CNES), Veronique Dehant (Royal Observatory Belgium), Lorena Moreira (ISSI)
ISSI Workshop Programme, 1-4 September 2020
| Tuesday, 1 September 2020 | ||
| Time | Topic | Speaker |
| 8:30 – 9:30 | Registration in ISSI, Hallerstrasse 6, 1st floor | |
| 9:30 – 10:00 | Welcome and introducing ISSI | Anny Cazenave (ISSI) |
| Session 1: Introductory session | Chairperson: | |
| 10:00 – 10:15 | Objectives of the workshop | Anny Cazenave (ISSI) |
| 10:15 – 11:00 | Deep Earth interior: the Earth’s core | Veronique Dehant (ROB) R |
| 11.00– 11:30 | Deep Earth interior: the core magnetic field | Mioara Mandea (CNES) |
| 11:30 – 12:00 | Structure, materials and dynamics of the lower mantle | Reidar Tronnes (Oslo Univ.) R |
| 12:00 – 14:00 | Lunch | |
| 14:00 – 14:30 | Observed correlation between gravity and magnetic fields | Mioara Mandea (CNES) |
| 14:30 – 15:00 | Earth’s rotation and the deep Earth interior | Jérémy Rekier (ROB) R |
| 15:00 – 15:30 | Gravity anomaly related to the core | Mathieu Dumberry (Alberta Univ.) R |
| 15:30 – 16:00 | Coffee break | |
| 16:00 – 16:30 | Processes at the core-mantle boundary | Bruce Buffett (Berkeley Univ.) R |
| 16:30 – 17:00 | Discussion | All participants |
| Wednesday, 2 September 2020 | ||
| Time | Topic | Speaker |
| Session 2: The Earth magnetic field and the geodynamo | Chairperson: | |
| 9:00 – 9:30 | From Magsat to Swarm | Magnus Hammer (DTU) R |
| 9:30 – 10:00 | Models of the Earth’s magnetic fields | Vincent Lesur (IPGP) |
| 10:00 – 10:30 | Specific features of the Earth’s magnetic field: South Atlantic anomaly, dipole changes and other curiosities | Angelo De Santis (INGV) R |
| 10:30 – 11:00 | Coffee Break | |
| 11:00 – 11:30 | Geomagnetic jerks – from data to numerical models | Nicolas Gillet (Grenoble Univ.) |
| 11:30 – 12:00 | ‘Tangential stresses’ at the core-mantle boundary | Dominique Jault (Grenoble Univ.) |
| 12:00 – 13:30 | Lunch Break | |
| 13:30 – 14:00 | Geomagnetic Jerks: Observations from the Iridium Constellation of Satellites | Regupathi Angappan (J. Hopkins Univ.) R |
| 14:00 – 14:30 | More on the geodynamo | Sabine Stanley (J. Hopkins Univ.) R |
| Session 3: The Earth’s gravity field | Chairperson: | |
| 14:30 – 15:00 | Time variable gravity field from GRACE & GRACE Follow-on | Christoph Dahle (GFZ) |
| 15:00 – 15:30 | Sources of mass anomalies seen by GRACE | Isabelle Panet (IGN) R |
| 15:30 – 16:00 | How accurately can we remove surface fluid envelopes’ signals from GRACE to extract the deep Earth signal? | William Llovel (LEGOS) R |
| 16:00 – 16:30 | Open questions in GRACE data processing | Jianli Chen (Texas Univ.) R |
| 16:30 – 16:45 | Coffee Break | |
| 16:45 – 17:30 | General Lecture: A planetary scientists look at the Earth’s interior and evolution | Tilman Spohn (ISSI Director) |
| 18:30 | DINNER | |
| Thursday, 3 September 2020 | ||
| Time | Topic | Speaker |
| Session 4: Models of the Deep Earth Interior and Earth’s Rotation | Chairperson: | |
| 9:00 – 9:30 | Modelling of inertial waves and interaction with rotational modes | Santiago Andres Triana (ROB) R |
| 9:30 – 10:00 | Model of the core of the Earth and planet (laboratory experiments/non-hydrostatic) | Wim van Westrenen (Vrije Univ.) R |
| 10:00 – 10:30 | Precession/tidal flow in the core and double-diffusive convection | Nathanael Schaeffer (Grenoble Univ.) R |
| 10:30 – 11:00 | Coffee Break | |
| 11:00 – 11:30 | Core-mantle boundary topography from experiments | Fabian Burmann (ETHZ) |
| 11:30 – 12:00 | Dynamics of rotating, stratified and shear flows | Michael Le Bars (Marseille Univ.) |
| 12:00 – 12:30 | Decadal length of day variations and core mantle coupling | Ben Chao (Academia Sinica in Taiwan) R |
| 12:30 – 14:00 | Lunch Break | |
| 14:00 – 14:30 | More on the Earth rotation (short time scale-Jerks) | Richard Holme (Liverpool Univ.) R |
| 14:30 – 15:00 | Nutational loading | Antony Trinh (Univ. Arizona) R |
| 15:00 – 15:30 | Zonal flows in a rotating spheroidal cavity | Philippe Cardin (Grenoble Univ.) R |
| 15:30 – 16:00 | Coffee Break | |
| 16:00 – 16:30 | Resonances in spherical couette | Ankit Barik (J. Hopkins Univ.) R |
| 16:30 – 17:00 | Liquid sodium models of the earth’s core | Dan Lathrop (Maryland Univ.) R |
| 17:00 – 18:00 | General discussion | All participants |
| Friday, 4 September 2020 | |||
| Time | Topic | Speaker | |
| Session 6: Preparation of the special issue of Surveys in Geophysics and ISSI book | Chairperson: | ||
| 9:00 – 9:30 | Preparation of the special issue | Anny Cazenave and all participants | |
| Session 5: Opening doors to planetary science | Chairperson: | ||
| 09:30 – 10:00 | The interior of Mars, Mercury, and icy satellites | Tim Van Hoolst (ROB) R | |
| 10:00 – 10:30 | The interior evolution of Mars, convection, and magnetic field | Doris Breuer (DLR) | |
| 10:30 – 11:00 | The interior of the Moon | Nicolas Rambaux (IMCCE) R | |
| Session 6: Synthesis together with coffee | Chairperson: | ||
| 11:00 – 12:00 | Synthesis | All participants | |
| 12:00 – 13:00 | Prospective | All participants | |