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Paleomagnetic secular variation

A series of panels showing the substantial number of new quality data published for the three geomagnetic elements, declination (left), inclination (center), and intensity (right) with geographical distribution on the top row and temporal distribution on the bottom row.
Posted inEditors' Highlights

New Spherical Cap Field Model for Europe and Direct Environs

by Mark J. Dekkers 14 May 202128 September 2021

New data on ancient burnt structures is integrated into a superior spherical cap field model for Europe.

Five plots showing the paleosecular variation of the geomagnetic field in the composite record from Black Sea cores.
Posted inEditors' Highlights

Marine Isotope Stage 6: First High-Resolution Field Record

by Mark J. Dekkers 12 May 202128 September 2021

A 200-year resolution record from the Black Sea for marine isotope stage 6 (130-180 ka) shows a stable geomagnetic field.

Series of global maps showing virtual geomagnetic pole paths as calculated from the Black Sea paleomagnetic directional record
Posted inEditors' Highlights

The Restless Geomagnetic Field Over the Past 70,000 Years

by B. S. G. Almqvist 25 September 202024 September 2020

Detailed paleomagnetic records from Black Sea sediments reveal intricate changes in the field during geomagnetic excursions.

Graph, based on a dataset of paleomagnetic data from a Swedish lake binned in 150-year intervals, showing the classical uncertainty measure plotted against the new proposed uncertainty measure that takes propagated measurement uncertainty into account.
Posted inEditors' Highlights

Uncertainty Propagation in Paleomagnetic Data Quantified

by Mark J. Dekkers 29 July 202023 July 2020

In classic paleomagnetic data processing uncertainties are calculated at a single level only, but there is now a more lucid way to include error propagation.

A sign near the north entrance to the village of Laschamps shows the correct spelling of the name.
Posted inOpinions

Changing Name for Earth’s Changing Poles

by J. Kornprobst and J.-F. Lénat 13 March 201929 September 2021

The name of one geomagnetic pole reversal, the Laschamps excursion, somehow lost its s as it wandered through the scientific literature. It’s time to set the record straight.

Posted inResearch Spotlights

The Quest to Understand Reversals in Earth's Magnetic Field

by Terri Cook 9 August 20169 August 2016

A review of the major features of the geomagnetic reversals preserved in Earth's rock record helps to answer the question, Which data could advance our understanding of these poorly described events?

Posted inEditors' Vox

Polarity Reversals in the Earth’s Magnetic Field

by F. Florindo 29 April 20169 February 2018

Studies of geomagnetic polarity reversals have generated some of the biggest and most interesting debates in the paleomagnetic and wider solid Earth geophysics communities over the last 25 years.

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