Pole reversal evidence discovered

Tobornaut

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Physics-Astronomy.org

When the magnetic field reverses—or attempts to—it gets weaker, leading to more radiation from the Sun getting through. Previously, scientists have linked extinction events to magnetic field reversals. The newly discovered kauri tree's rings contain a complete record of a near-reversal—the first time a tree that lived during the entire event has ever been found.
"It's the time it takes for this movement to occur that is the critical thing...We will map these changes much more accurately using the tree rings," Hogg told stuff.nz.
Samples of the tree are now being analyzed by scientists, led by Chris Turney from the University of New South Wales—an expert in paleoclimatology and climate change. Understanding what happened to the tree during the event could provide an insight into what we should expect the next time it happens.
"We will have increased cosmic radiation. It will take out satellites and it might take out other communication infrastructure," Hogg said.


"Increased cosmic radiation? "

So maybe we do have a scientifically sound premise for global warming after all.