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 …
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) …
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 …
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 …
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 …
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 …
Archaeomagnetic results from Cambodia in Southeast Asia: Evidence for possible low-latitude flux expulsion
S Cai, R Doctor, L Tauxe… - Proceedings of the …, 2021 - National Acad Sciences
Extensive spatial and temporal distribution of high-quality data are essential for
understanding regional and global behaviors of the geomagnetic field. We carried out …
understanding regional and global behaviors of the geomagnetic field. We carried out …
[HTML][HTML] Magnetic mineralogy of speleothems from tropical-subtropical sites of South America
Fe-bearing minerals are a tiny fraction of the composition of speleothems. They have their
origin in the karst system or are transported from the drainage basin into the cave. Recent …
origin in the karst system or are transported from the drainage basin into the cave. Recent …