One hundred thousand years of geomagnetic field evolution
Paleomagnetic records from sediments, archeological artifacts, and lava flows provide the
foundation for studying geomagnetic field changes over 0–100 ka. Late Quaternary time …
foundation for studying geomagnetic field changes over 0–100 ka. Late Quaternary time …
GEOMAGIA50. v3: 1. General structure and modifications to the archeological and volcanic database
Background GEOMAGIA50. v3 is a comprehensive online database providing access to
published paleomagnetic, rock magnetic, and chronological data from a variety of materials …
published paleomagnetic, rock magnetic, and chronological data from a variety of materials …
Longitudinal structure of Earth's magnetic field controlled by lower mantle heat flow
Thermal interactions between Earth's core and mantle provide the power that maintains the
geomagnetic field. However, the effect of these interactions and, in particular, the …
geomagnetic field. However, the effect of these interactions and, in particular, the …
PSV10: A global data set for 0–10 Ma time‐averaged field and paleosecular variation studies
G Cromwell, CL Johnson, L Tauxe… - Geochemistry …, 2018 - Wiley Online Library
Globally distributed paleomagnetic data from discrete volcanic sites have previously been
used for statistical studies of paleosecular variation and the structure of the time‐averaged …
used for statistical studies of paleosecular variation and the structure of the time‐averaged …
Simulating 2 Ga of geodynamo history
PE Driscoll - Geophysical Research Letters, 2016 - Wiley Online Library
The paleomagnetic record indicates the geodynamo has been active over much of Earth
history with surprisingly little trend in paleointensity. Variability, however, is expected from …
history with surprisingly little trend in paleointensity. Variability, however, is expected from …
State and evolution of the geodynamo from numerical models reaching the physical conditions of Earth's core
J Aubert - Geophysical Journal International, 2023 - academic.oup.com
Our understanding of the geodynamo has recently progressed thanks to geomagnetic data
of improved quality, and analyses resting on numerical simulations of increasing realism …
of improved quality, and analyses resting on numerical simulations of increasing realism …
Dynamo constraints on the long-term evolution of Earth's magnetic field strength
Elucidating the processes in the liquid core that have produced observed palaeointensity
changes over the last 3.5 Gyr is crucial for understanding the dynamics and long-term …
changes over the last 3.5 Gyr is crucial for understanding the dynamics and long-term …
Quantitative estimates of average geomagnetic axial dipole dominance in deep geological time
A defining characteristic of the recent geomagnetic field is its dominant axial dipole which
provides its navigational utility and dictates the shape of the magnetosphere. Going back …
provides its navigational utility and dictates the shape of the magnetosphere. Going back …
Non-monotonic growth and motion of the South Atlantic Anomaly
H Amit, F Terra-Nova, M Lézin, RI Trindade - Earth, Planets and Space, 2021 - Springer
Abstract The South Atlantic Anomaly (SAA) is a region at Earth's surface where the intensity
of the magnetic field is particularly low. Accurate characterization of the SAA is important for …
of the magnetic field is particularly low. Accurate characterization of the SAA is important for …
GEOMAGIA50. v3: 2. A new paleomagnetic database for lake and marine sediments
Background GEOMAGIA50. v3 for sediments is a comprehensive online database providing
access to published paleomagnetic, rock magnetic, and chronological data obtained from …
access to published paleomagnetic, rock magnetic, and chronological data obtained from …