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JonnyMcA Wrote:
-------------------------------------------------------
> AKA Dendrochronology works on a global scale!
>
> In an unprecedented collaboration of tree ring and
> radiocarbon researchers around the world have come
> together to investigate the AD 774 and 993
> radiocarbon excess.
>
> In a nutshell they find that tree ring records
> accurately cross date globally and that the 774
> and 993 cosmic events are recorded coherently in
> each chronology, with the events likely occurring
> in the boreal summer of AD 774 and Boreal spring
> AD 993 (give or take).
>
> Full paper can be read here:
>
> [url=https://www.nature.com/articles/s41467-018-06
> 036-0]Tree rings reveal globally coherent
> signature of cosmogenic radiocarbon events in 774
> and 993 CE[/url]
>
> Jonny

Thanks Johnny. Very interesting. And, if I may say so, the paper is an excellent example of how real science is done. Others should take note.

Anybody that is interested in the suggested mechanism could start here;

[url]https://en.wikipedia.org/wiki/Solar_particle_event[/url]

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Subject Views Written By Posted
Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE 1405 JonnyMcA 07-Sep-18 13:15
Re: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE 179 D-Archer 07-Sep-18 13:59
Re: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE 235 JonnyMcA 07-Sep-18 14:12
Re: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE 187 Aine 08-Sep-18 01:02
Re: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE 218 JonnyMcA 08-Sep-18 10:41
Re: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE 186 Aine 08-Sep-18 11:41
Re: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE 223 JonnyMcA 09-Sep-18 09:38
Re: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE 194 ianw16 08-Sep-18 10:44
Re: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE 180 Archaic 08-Sep-18 21:36
Re: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE 326 JonnyMcA 09-Sep-18 09:54


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