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Results 31 to 40 of about 80 (64)

Estimating Post‐Depositional Detrital Remanent Magnetization (pDRM) Effects for Several Lacustrine and Marine Sediment Records Using a Flexible Lock‐In Function Approach

Journal of Geophysical Research: Solid Earth, Volume 129, Issue 7, July 2024.
Abstract Geomagnetic field models over past millennia rely on two main data sources: archeomagnetic data provide snapshots of the geomagnetic field at specific locations, and sediment records deliver time series of the geomagnetic field at specific locations.
L. Bohsung +3 more
wiley +1 more source

Local Magnetic Anomalies Explain Bias in Paleomagnetic Data: Consequences for Sampling

Geochemistry, Geophysics, Geosystems, Volume 25, Issue 5, May 2024.
Abstract Volcanic rocks are considered reliable recorders of past changes in the Earth's magnetic field. Recent flows, however, sometimes fail to produce the known magnetic field at the time of cooling. Previous research on Mt. Etna suggests paleomagnetic data might not be accurately recorded.
Romy Meyer, Lennart V. de Groot
wiley +1 more source

First Full‐Vector Archeomagnetic Data From Central Asia (3 BCE to 15 CE Centuries): Evidence for a Large Non‐Dipole Field Contribution Around the First Century BCE

Journal of Geophysical Research: Solid Earth, Volume 129, Issue 2, February 2024.
Abstract Unraveling the short‐term behavior of the Earth's past geomagnetic field at regional scales is crucial for understanding its global behavior and, thus, the dynamics of the deep Earth. In this context, obtaining accurate full‐vector geomagnetic field records from regions where archeomagnetic data are absent becomes essential.
R. Bonilla‐Alba +9 more
wiley +1 more source

Stalagmite paleomagnetic record of a quiet mid-to-late Holocene field activity in central South America. [PDF]