Sustaining Earth's magnetic dynamo
Earth's magnetic field is generated by fluid motions in the outer core. This geodynamo has
operated for over 3.4 billion years. However, the mechanism that has sustained the …
operated for over 3.4 billion years. However, the mechanism that has sustained the …
[HTML][HTML] A history of solar activity over millennia
IG Usoskin - Living Reviews in Solar Physics, 2017 - Springer
Presented here is a review of present knowledge of the long-term behavior of solar activity
on a multi-millennial timescale, as reconstructed using the indirect proxy method. The …
on a multi-millennial timescale, as reconstructed using the indirect proxy method. The …
PmagPy: Software package for paleomagnetic data analysis and a bridge to the Magnetics Information Consortium (MagIC) Database
Abstract The Magnetics Information Consortium (MagIC) database provides an archive with
a flexible data model for paleomagnetic and rock magnetic data. The PmagPy software …
a flexible data model for paleomagnetic and rock magnetic data. The PmagPy software …
[HTML][HTML] Persistent high paleosecular variation activity in southern hemisphere for at least 10 000 years
Direct observations of the geomagnetic field show that secular variation is strong in the
Atlantic hemisphere, and comparatively reduced in the Pacific region. The dipole has been …
Atlantic hemisphere, and comparatively reduced in the Pacific region. The dipole has been …
Recurrent ancient geomagnetic field anomalies shed light on future evolution of the South Atlantic Anomaly
The strength of the geomagnetic field has decreased rapidly over the past two centuries,
coinciding with an increasing field asymmetry due to the growth of the South Atlantic …
coinciding with an increasing field asymmetry due to the growth of the South Atlantic …
[HTML][HTML] Solar cyclic activity over the last millennium reconstructed from annual 14C data
Aims. The 11-year solar cycle (Schwabe cycle) is the dominant pattern of solar magnetic
activity reflecting the oscillatory dynamo mechanism in the Sun's convection zone. Solar …
activity reflecting the oscillatory dynamo mechanism in the Sun's convection zone. Solar …
[HTML][HTML] Solar activity during the Holocene: the Hallstatt cycle and its consequence for grand minima and maxima
IG Usoskin, Y Gallet, F Lopes, GA Kovaltsov… - Astronomy & …, 2016 - aanda.org
Aims. Cosmogenic isotopes provide the only quantitative proxy for analyzing the long-term
solar variability over a centennial timescale. While essential progress has been achieved in …
solar variability over a centennial timescale. While essential progress has been achieved in …
[HTML][HTML] 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 …
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 …
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 …