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Aine Wrote:
-------------------------------------------------------

> Just for the record, I haven't finished the paper
> so bear with me here.

get cracking missus! You need to stay ahead of the curve ;)

> I like the solar connection. It points to what
> I've been arguing for years: that the sun most
> certainly does play a role in climate here on
> Earth.
>
> But this isn't a global warming thread.

Correct! You know how much interest I have in discussing that :P

> The trouble is the correlation, while strong,
> hasn't actually been proven. We're in a period of
> low solar activity right now after a period of
> intense activity. The next several years could
> count as a natural test of this paper's theory.
>
> Here's what's interesting about that. There is a
> persistent hypothesis that as far as I know has
> never been disproved: that low solar activity can
> trigger volcanic eruptions.

I hadn't heard of this. Have you sources for this you can link to or provide?


> Yep. Combined with Napier and Clube's Taurid dust
> loading at this same time period. :)) (Sorry, had
> to throw that in there!)

Yeah, Bailey, Clube and Napier proposed in 1990 (Origin of Comets), that AD 400-600 may have been a time of increased bombardment risk due to a possible fragmentation event within the Taurid stream, evidenced by enhanced taurid fireball activity in observed astronomical records. So by invoking Solar Activity as a cooling mechanism, one appears to simply be replacing one contentious cosmic vector with a less contentious cosmic vector.


> As you
> > would have seen from private communication
> > (Baillie and McAneney 2015 "Why we shouldn’t
> > ignore the mid-24th century BC when discussing
> the
> > 2200-2000 BC climate anomaly"), the 2200 BC
> event
> > (AKA 4.2 kya event) seems to have a similar
> abrupt
> > trigger, though ice cores are unfortunately
> poorly
> > dated at this time (in my opinion) to link it
> to
> > any volcanic eruption.

> Let's talk about the historical record. What do
> the historical chroniclers of the time say?
>
> (Sorry, I just had to throw that in too!)

There are quite a few. See for example David Keyes "catastrophe that Carol has mentioned above, or Mike Baillie's Exodus to Arthur, or Celtic Gods. These tend to primarily discuss the 536/540 event, not the years after, but there is one record that is often dismissed as fantasy/allegory for the plague. Gibbon (1832) states

Quote

Such was the universal corruption of the air, that the pestilence which burst forth in the fifteenth
year of Justinian [AD542] was not checked or alleviated by any difference of the seasons…but it
was not until the end of a calamitous period of fifty-two years that mankind recovered their health,
or the air resumed its pure and salubrious quality .

Now it could indeed be reference to the abating of the plague (a belief that plague was caused by poor air), but it is interesting that Gibbon talks about the air being corrupted for 50+ years during the time when we know that large volcanoes injected a lot of aerosols into the upper atmosphere.


Jonny

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Subject Views Written By Posted
Late Antique Little Ice Age 761 JonnyMcA 09-Feb-16 10:05
Re: Late Antique Little Ice Age 279 Aine 09-Feb-16 13:02
Re: Late Antique Little Ice Age 243 carolb 09-Feb-16 13:20
Re: Late Antique Little Ice Age 325 JonnyMcA 09-Feb-16 13:49
Re: Late Antique Little Ice Age 313 Aine 09-Feb-16 14:42
Re: Late Antique Little Ice Age 329 JonnyMcA 09-Feb-16 15:07
Re: Late Antique Little Ice Age 398 Aine 09-Feb-16 16:35
Re: Late Antique Little Ice Age 327 JonnyMcA 09-Feb-16 19:11
Re: Late Antique Little Ice Age 292 Aine 09-Feb-16 19:23
Re: Late Antique Little Ice Age 221 drrayeye 13-Feb-16 01:09
Re: Late Antique Little Ice Age 182 Aine 13-Feb-16 15:06
Re: Late Antique Little Ice Age 184 carolb 13-Feb-16 19:46
Murky 261 drrayeye 13-Feb-16 21:05
Re: Murky 269 Aine 13-Feb-16 22:28
Re: Late Antique Little Ice Age 435 Me 15-Feb-16 15:40


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