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I am very sad to report the recent death of Michael G. L. Baillie, Professor Emeritus of Palaeoecology at Queen's University, Belfast, Northern Ireland. His funeral took place earlier this week.
He was a leading expert in dendrochronology, and collaborated with Jonny McAneney on various papers - .
I'm sure that he will be very sadly missed.
by
Hermione
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Coffee Shop
This is a lecture given by Paleecologist Gill Plunkett of Queen's University Belfast, hosted by the Ulster Archaeology Society on 25th January 2021. It outlines the history regarding Mike Baillie's proposal that the Greenland Ice Core chronology was incorrectly dated during, and prior to, the first millennium AD, and how he was ultimately proved correct. It then looks at how large vol
by
JonnyMcA
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Exhibitions, Conferences, Lectures, Journals
Jonny McAneney Wrote:
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> Published today in the journal Antiquity, a new
> paper by myself and Mike Baillie
Long awaited! Congratulations to both of you ...
by
Hermione
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Ancient History
Published today in the journal Antiquity, a new paper by myself and Mike Baillie revises the Greenland ice core chronologies back to around 2000 BC. We show that the massive climate dislocation beginning in 1627 BC, a date that has been associated with the eruption of the Mediterranean volcano of Thera (modern day Santorini), was actually caused by the caldera forming eruption of Aniackchak in Al
by
Jonny McAneney
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Ancient History
Fossils key to fulfilling Darwin's 160-year-old
prediction December 12, 2018, University of Salford
The paper is:
Beck RMD, and Baillie C. 2018. Improvements in the
fossil record may largely resolve current conflicts
between morphological and molecular estimates of
mammal phylogeny. Proc. R. Soc. B. 285: 20181632.
Yours,
Paul H.
by
Paul H.
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Laboratory
Thanks, Jonny. Interesting reading ...
I'm sure we're all now looking forward to the publication of the Antiquity Baillie/McAneney paper.
by
Hermione
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Ancient History
This is something I have hinted at to people for a while now, but couldnt go into too much detail at the time. So a couple of days ago, a paper publishing data that I had seen presented last year at a radiocarbon workshop was finally published (after a gruelling peer review session).
Free access to the paper in html and pdf here
The synopsis of the paper is this. New single year radioca
by
Jonny McAneney
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Ancient History
In October last year, Mike Baillie and I published an article in the conference proceedings “2200 BC – A climatic breakdown as a cause for the collapse of the Old World?”. The six month embargo on it appearing digitally was lifted today.
The article title is “Why we shouldn’t ignore the mid-24th century BC when discussing the 2200-200 BC climate anomaly.”
The focus on the conference was on
by
Jonny McAneney
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Laboratory
It does seem a bit of a stretch to suggest that two eruptions in 536 and 540 (actually three, but I dont think the 547 eruption was that big in my opinion), could cause 125 years of global cooling. Certainly the effects of the 540 eruption are much greater than 536, but yet it has seemingly escaped the historical record, while the 536 effects are well recorded (the 18 month dust veil for example
by
Jonny McAneney
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Laboratory
I am lazy and like to call it the 774 event. It should more accurately be called 774-775 event. more on the timing of the event here <;
Jonny
by
Jonny McAneney
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Laboratory
Jonny McAneney Wrote:
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> Sigl et al. have used the two cosmic events at AD
> 774 and 993 which produced excess 14C in precisely
> dated global tree rings, and 10Be in ice cores, to
> constrain the NEEM core chronology, and confirms
> that the ice cores are too old by 7 years below AD
> 1000.
It's interestin
by
Hermione
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Laboratory
From an earlier post by Jonny about this paper:QuoteThe main implication ... is that it identifies the potential cause of the severe environmental event in the mid 6th century. To put it simply, we show that the two stage downturn event at AD 536 and AD 540 is due to two eruptions around this time. GICC05 only has one eruption at around AD 535, and blame effectively 10 years of climatic downturn
by
Hermione
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Laboratory
Thanks Hermion,
It's nice to see progress being made in this area. As lets not forget, Mike Baillie first postulated that the ice cores were wrong in the 6th century in 2008. With the AD 774 and 993/4 cosmic events, the ice core workers have had a way to independently evaluate their chronology with respect to trees and historical record.
Jonny
by
Jonny McAneney
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Laboratory
New research published today in Nature shows that the ice cores are indeed too old in the 1st millennium as indicated by Mike Baillie and myself.
Sigl et al. have used the two cosmic events at AD 774 and 993 which produced excess 14C in precisely dated global tree rings, and 10Be in ice cores, to constrain the NEEM core chronology, and confirms that the ice cores are too old by 7 years b
by
Jonny McAneney
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Laboratory
Porter raises the question "have Belfast and if so, by a large amount or a small amount? Unless the German dendrochronologists (or possibly the Americans) make their data available, there is no way to check. The low Egyptian historical chronology should not be ruled out until dendrochronologists, particularly German dendrochronologists, provide some evidence that their work is correct back
by
Jonny McAneney
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Ancient Egypt
Just published online today for open discussion while it undergoes peer review, is this paper by Mike Baillie and myself, in which we argue that the ice core dating in the 6th and 7th centuries AD (and likely before), are too old by 7 years. We do this by comparing the spacings between frost ring events in American bristlecone pines and spacings between volcanic acidities dates measured by the
by
JonnyMcA
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Laboratory
Bernard wrote:
> Just because you don't know that in 2720 the Maya
> were literate does not mean that any Mesoamerican
> scholar agrees with you.
What are you talking about Bernard? Are you saying the Maya were literate in 2720 BC?
>while
> you are it please provide a citation from a
> refereed publication that supports your proposal
> that The Long Count
by
Gary Daniels
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Ancient History
Gary Daniels Wrote:
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> Mike's paper is about the possible origin of the
> Mayan long count calendar and how it was
> mathematically derived by someone in the past
> noticing a specific number of days had lapsed
> between two possible impact events (as revealed in
> ice core data.) There's not one mention
by
Hermione
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Ancient History
Hermione Wrote:
> The question of Mayan thought and culture
> underlies their calendar, which forms part of Mike
> Baillie's research,
Mike's paper is about the possible origin of the Mayan long count calendar and how it was mathematically derived by someone in the past noticing a specific number of days had lapsed between two possible impact events (as revealed in ic
by
Gary Daniels
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Ancient History
Gary Daniels Wrote:
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> Bernard appears to be replying to the wrong
> thread.
I don't see any problem myself.
> There's nothing in the current thread
> about my interpretation of Mayan myths.
The subject of the Mayan calendar, however, appears here.
> This
> thread is solely about Mike Baillie
by
Hermione
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Ancient History
bernard Wrote:
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> I have dealt with several of Gary Daniel's
> previous proposals, and you are aware that I have
> serious doubts about his work and have been quite
> critical of it. With respect to any number of
> other claims that have been made about the
> historical accuracy of folk memories extending far
by
Gary Daniels
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Ancient History
bernard Wrote:
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> My wife and I are engaged in a radical downsizing.
> Sometime in the future we are moving to a much
> smaller place. Therefore I have gone down from 8
> bookcases to 3 and from 4 file cabinets to 2. In
> the process, I've donated some 1500 books to
> various libraries and universities. My
&g
by
Hermione
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Ancient History
Rick et al.
My wife and I are engaged in a radical downsizing. Sometime in the future we are moving to a much smaller place. Therefore I have gone down from 8 bookcases to 3 and from 4 file cabinets to 2. In the process, I've donated some 1500 books to various libraries and universities. My contributions to HallofMaat are not going to be as well documented as they have been since I no lon
by
bernard
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Ancient History
Hi Hermione,
I have been "sitting" on this since Mike showed me it in February, and had a few discussions with him on it. You will note that the "Jonny" in the comments section is me, and the points on this article still stand, the most important one being the integrity of the ice core dating, since any correlation with the Mayan calendar requires this to be correct. I re
by
JonnyMcA
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Ancient History
Dr. Mike Baillie, a dendrochronologist at the Queen’s University in Belfast, Ireland has made a very interesting discovery. He noticed that ammonium and nitrate peaks in the ice core record, signatures of comet impacts with Earth, occur on or near baktun endings in the Mayan calendar. This discovery suggests that the ancient Maya were aware of a cycle associated with repeated impacts of comets wi
by
Gary Daniels
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Ancient History
JonnyMcA Wrote:
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> This is replicated in the Irish Oak chronology in
> Belfast. If I remember correctly a Masters
> student had been working on it, but the data has
> not been published. I seen a graph of the data in
> February showing a 14C enrichment.
I presume that this ties in - sort of - with Mike Baillie'
by
Hermione
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Laboratory
Hi Hermione,
To be fair to Baillie he does look for evidence of crop failures, famine and disease as will as links with non-mythological comsmological records.
I've never been particularly convinced by a lot of the mythological linking that occurs but we also need to be careful in the other direction - myths explain the world around the people making those myths. It isn't improbab
by
Pete Clarke
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Laboratory
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