Reconstruction of the Virtual Geomagnetic Pole (VGP) path at high latitude for the last 22 kyr: The role of radial field flux patches as VGP attractor

Chiara Caricchi,Saioa A. Campuzano,Leonardo Sagnotti,Patrizia Macrì,Renata G. Lucchi

Earth and Planetary Science Letters（2022）

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摘要

Reconstruction of geomagnetic field changes has a strong potential to complement geodynamo modeling and improve the understanding of Earth's core dynamics. Recent works based on geomagnetic measurements pointed out that over the last two decades the position of the north magnetic pole has been largely determined by the influence of two competing flux lobes under Canada and Siberia.

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geomagnetic paleosecular variation,relative paleointensity,flux lobes,Levantine Iron Age Anomaly,marine sediment cores,arctic region

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