Magnetic Pole Reversal - the Impact

Here is something else to worry about! We all know that every so often the earths magnetic field reverses - the North Magnetic Pole switches to attracting the south pole of a compass. The last reversal was the Laschamp Event - see HERE - which occurred about 42,000 years ago.

THIS ARTICLE describes the use of a New Zealand kauri tree, of the relevant age, preserved in a peat bog, to examine the effect of the reversal. And it was found that there was a spike in atmospheric radiocarbon levels.

And there was a lot else going on at the same time. 

• Tropical Pacific rain belts and the Southern Ocean westerly winds abruptly shifted 
• Giant kangaroos and giant wombats went extinct
• The vast Laurentide Ice Sheet rapidly grew across the eastern US and Canada
• The Neanderthals spiralled into extinction
• High UV levels caused early humans to seek shelter in caves, explaining the apparent sudden flowering of cave art across the world 42,000 years ago.
• Lots of other things!

Are they all connected? No doubt many people will be looking at this. 

Remember The Hitchhiker's Guide to the Galaxy? The answer to life, the universe and everything was 42. So Douglas Adams knew more than he thought. All the stuff happening 42,000 years ago has been given the name "The Adams Event".