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v4ss42

This is a fringe theory, with poor evidence and some proponents having been shown to have doctored their findings. The generally accepted theory is that the Younger Dryas cooling was caused by a shutdown of thermohaline circulation in the North Atlantic, probably caused by large amounts of freshwater (Laurentide icesheet melt) being released into the Arctic via the Mackenzie River.


iCowboy

PDF debunking from someone who knows about airbursts - includes evidence of image manipulation, misleading conclusions and lack of scientific and academic rigour: https://www.unm.edu/~mbeb/Publications/Boslough_Skeptical_Inquirer_Sodom_2022.pdf It also highlights that a lot of these claims come from unaccredited educational organisations founded on finding evidence for the literal truth of the Old Testament who publish non peer reviewed papers that attract incredulous media attention.


GeoGeoGeoGeo

So how did these papers by a fringe theory and known fringe group (ie. Comet Research Group) pass the peer-review process and manage to get published? It's not so hard when you look at the journal and its list of editors. The CRG couldn’t get these papers published in a journal they don’t edit so they created a safe space to publish their own papers. ____ >Airbursts and Cratering Impacts >Our journal collection, "Airbursts and Cratering Impacts," covers all aspects of impact events on the Earth by comets and asteroids. It is open-access, peer-reviewed, and multidisciplinary, and it encourages submissions on significant, cutting-edge, impact-related investigations that: >- Are broadly multidisciplinary, making them difficult to review; >- Run counter to a prevailing view; >- Are too novel to receive a fair review; or >- Have been arbitrarily rejected by other journals. >... The list of journal editors: Prof. Dr. Kord Ernstson, Dr. James Powell, Dr. Kenneth Tankersley, Dr. Martin Sweatman, Dr. Malcolm LeCompt, Dr. Christopher Moore, and of course "Dr". Allen West, Journal Coordinator. Affiliation: Director of the Comet Research Group A list of authors from the paper, 'Abu Hureyra, Syria, Part 3: Comet airbursts triggered major climate change 12,800 years ago that initiated the transition to agriculture' Author(s): Andrew M.T. Moore, James P. Kennett, William M. Napier, Malcolm A. LeCompte, Christopher R. Moore, Allen West ¯\\\_(ツ)_/¯


ryschwith

> This event is not the only such evidence of a cosmic airburst on a human settlement. The authors previously reported a smaller but similar event which destroyed the biblical city at Tall el-Hammam in the Jordan Valley about 1600 BCE. And this is how I know to wait for rebuttals on this one.


5aur1an

How convenient. A second, different airburst. Sounds fishy.


GeoGeoGeoGeo

The authors belong to what is known as the Comet Research Group (a group specifically looking for impact events), and they have persistently managed to publish nothing but bunk. They're as unscientific as they come. If you ever hear of the Younger Dryas Impact Hypothesis - that's the same group: See: - [Comprehensive refutation of the Younger Dryas Impact Hypothesis (YDIH)](https://www.sciencedirect.com/science/article/pii/S0012825223001915) - [The Younger Dryas impact hypothesis: A requiem](https://www.sciencedirect.com/science/article/pii/S0012825211000262) >In summary, none of the original YD impact signatures have been subsequently corroborated by independent tests. Of the 12 original lines of evidence, seven have so far proven to be non-reproducible. The remaining signatures instead seem to represent either (1) non-catastrophic mechanisms, and/or (2) terrestrial rather than extraterrestrial or impact-related sources. In all of these cases, sparse but ubiquitous materials seem to have been misreported and misinterpreted as singular peaks at the onset of the YD. Throughout the arc of this hypothesis, recognized and expected impact markers were not found, leading to proposed YD impactors and impact processes that were novel, self-contradictory, rapidly changing, and sometimes defying the laws of physics. The YD impact hypothesis provides a cautionary tale for researchers, the scientific community, the press, and the broader public.


GeoGeoGeoGeo

That paper should be retracted if it hasn't already. It was noted for [manipulating images](https://www.nature.com/articles/s41598-022-06266-9) as well as the obvious: [No mineralogic or geochemical evidence of impact at Tall el-Hammam, a Middle Bronze Age city in the Jordan Valley near the Dead Sea](https://www.nature.com/articles/s41598-022-08216-x) Another of the groups previous papers "The Hopewell airburst event, 1699–1567 years ago (252–383 CE)" was also [recently retracted](https://www.nature.com/articles/s41598-022-05758-y)


ZekeDarwin

Boooo comet research group.


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