The period is called the Laschamps excursion. 🌍 engineering
precise carbon dating obtained from ancient tree fossils to study its effects.
"This record reveals a substantial increase in the carbon-14 content of the atmosphere culminating during the period of weakening magnetic field strength preceding the polarity switch." The team concluded that the"geomagnetic field minimum caused substantial changes in atmospheric ozone concentration that drove synchronous global climate and environmental" with their model investigating the consequences of this event.
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