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

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. …

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

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 …

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

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 …

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
… present geomagnetic field, the South Atlantic Anomaly (SAA) … latitudes, may have emerged
in South Africa at the beginning of … , Age (this study), and the chosen age is printed in bold. …

The Mag.num core field model as a parent for IGRF-13, and the recent evolution of the South Atlantic Anomaly

M Rother, M Korte, A Morschhauser, F Vervelidou… - Earth, Planets and …, 2021 - Springer
… eastwards drifting field structures closer to the geodynamo source in the core. The … South
Atlantic Anomalys eastern edge provides a mechanism to keep the South Atlantic Anomaly