Recurrent ancient geomagnetic field anomalies shed light on future evolution of the South Atlantic Anomaly

A Nilsson, N Suttie, JS Stoner… - Proceedings of the …, 2022 - National Acad Sciences
… -day South Atlantic Anomaly, which provides insights into underlying geodynamo processes
… The model is constructed using a probabilistic approach that addresses problems with age

Emergence and evolution of the South Atlantic Anomaly revealed by the new paleomagnetic reconstruction SHAWQ2k

SA Campuzano, M Gómez-Paccard… - Earth and Planetary …, 2019 - Elsevier
The South Atlantic Anomaly (SAA) is one of the most outstanding features of the present
geomagnetic field. Thus, a good knowledge of the SAA is clue for a better understanding of the …

The Earth's magnetic field of the last centuries from the perspective of the Jequitinhonha and Mucuri river valleys: A natural observatory of the South Atlantic Anomaly …

W Poletti - Journal of South American Earth Sciences, 2021 - Elsevier
… (geomagnetic, palaeomagnetic and geodynamo models) are … The Valleys region is located
on the South Atlantic Anomaly … a little more about the evolutionary history of our planet. …

New archeointensity data from South Brazil and the influence of the South Atlantic Anomaly in South America

GA Hartmann, W Poletti, RIF Trindade… - Earth and Planetary …, 2019 - Elsevier
… most cases, age uncertainties are less than 21 yr (one site has an age uncertainty within 48
… 1d), age interval is very precisely determined from the historical documents (Schelee, 2006)…

[HTML][HTML] 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
… The South Atlantic Anomaly (SAA) is a region at Earth’s surface where the intensity of the …
understanding of core dynamics and the geodynamo as well as societal issues such as the …

Elevated paleomagnetic dispersion at Saint Helena suggests long-lived anomalous behavior in the South Atlantic

YA Engbers, AJ Biggin… - Proceedings of the …, 2020 - National Acad Sciences
… is the South Atlantic Anomaly (SAA) (… southern Atlantic−African region on the timescales
that our data support. The concept of the lowermost mantle exerting control on the geodynamo

Palaeosecular variations of the geomagnetic field in Africa during the Holocene: a review

A Di Chiara - Geological Society, London, Special Publications, 2020 - lyellcollection.org
… peaks described, and the origin and evolution of the South Atlantic Anomaly. … Antiquity
of the South Atlantic Anomaly and evidence for top-down control on the geodynamo

[HTML][HTML] South Atlantic Anomaly areal extent as a possible indicator of geomagnetic jerks in the satellite era

SA Campuzano, FJ Pavón-Carrasco… - Frontiers in Earth …, 2021 - frontiersin.org
… Here, we link the geomagnetic jerks occurrence with one of the most relevant features of
the geomagnetic field nowadays, the South Atlantic Anomaly (SAA), which is due to the …

Evolution and disappearance of the paleo-West Pacific anomaly: Implications to the future of South Atlantic anomaly

Y Yue, J Gao, F He, Y Wei, S Cai, H Wang… - Physics of the Earth and …, 2024 - Elsevier
… considered evidence of top-down control on the geodynamo, … to such top-down control,
resulting in a negative anomaly in … extends beyond the measurement history of Earth's magnetic …

Non-monotonic growth and motion of the South Atlantic Anomaly

A Hagay, TN Filipe, L Maxime… - Earth, Planets and …, 2021 - search.proquest.com
… The South Atlantic Anomaly (SAA) is a region at Earth’s surface where the intensity of the …
understanding of core dynamics and the geodynamo as well as societal issues such as the …