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 …
Global archaeomagnetic data: The state of the art and future challenges
Archaeomagnetic data are fundamental for our understanding of the evolution of Earth's
magnetic field on centennial to millennial timescales. From the earliest studies of the …
magnetic field on centennial to millennial timescales. From the earliest studies of the …
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 …
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 …
Stalagmite paleomagnetic record of a quiet mid-to-late Holocene field activity in central South America
Speleothems can provide high-quality continuous records of the direction and relative
paleointensity of the geomagnetic field, combining high precision dating (with U-Th method) …
paleointensity of the geomagnetic field, combining high precision dating (with U-Th method) …
Preferred locations of weak surface field in numerical dynamos with heterogeneous core–mantle boundary heat flux: consequences for the South Atlantic Anomaly
F Terra-Nova, H Amit, G Choblet - Geophysical Journal …, 2019 - academic.oup.com
The present-day geomagnetic field is characterized by a region of weak surface intensity,
the so-called South Atlantic Anomaly (SAA). We identify the locations of surface intensity …
the so-called South Atlantic Anomaly (SAA). We identify the locations of surface intensity …
Indicators of mantle control on the geodynamo from observations and simulations
There has been longstanding controversy about whether the influence of lateral variations in
core-mantle boundary heat flow can be detected in paleomagnetic records of geomagnetic …
core-mantle boundary heat flow can be detected in paleomagnetic records of geomagnetic …
A first regional model of the past Earth's magnetic field from Africa for the last 4000 years
A Di Chiara, FJ Pavón-Carrasco - Physics of the Earth and Planetary …, 2022 - Elsevier
The understanding of the Earth's magnetic field variations over time on the African continent
is fundamental for several reasons. For instance, the most important feature of the present …
is fundamental for several reasons. For instance, the most important feature of the present …
Chronostratigraphy of a 1.5±0.1 Ma composite sedimentary record from Colônia basin (SE Brazil): Bayesian modeling based on paleomagnetic, authigenic 10Be/9Be …
We present a new 52 m composite record (COL17c) composed of five sedimentary
sequences retrieved from the Colônia basin (Southeastern Brazil). The COL17c record is …
sequences retrieved from the Colônia basin (Southeastern Brazil). The COL17c record is …
Archaeointensity record of weak field recurrence in Japan: new data from Late Yayoi and Kofun ceramic artefacts
E Tema, Y Santos, R Trindade… - Geophysical Journal …, 2023 - academic.oup.com
We present new absolute archaeointensity data from six archaeological sites situated in the
Okayama Prefecture, Japan. The materials studied are well-dated fragments from pottery …
Okayama Prefecture, Japan. The materials studied are well-dated fragments from pottery …