Posts

Response to a comment on my YDIH review paper

Image
The following article has been accepted in Earth-Science Reviews.  © 2021. This author manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ The published version is available at  https://authors.elsevier.com/a/1eGLv2weQlVhI Response to a comment by Jorgeson, Breslawski and Fisher on “The Younger Dryas impact hypothesis: Review of the impact evidence” by Sweatman Martin B. Sweatman Institute of Materials and Processes, School of Engineering, King’s Buildings, University of Edinburgh, EH9 3FB, UK.   ABSTRACT In their comment, Jorgeson, Breslawski and Fisher challenge comments made in the earlier review paper “The Younger Dryas impact hypothesis: Review of the impact evidence” by Sweatman. All these comments pertain to prior work by Jorgeson, Breslawski and Fisher concerning the synchroneity of radiocarbon measurements taken directly from the Younger Dryas boundary “Radiocarbon simulation fails to support the te

Greek constellations at Gobekli Tepe? My response to David Miano

Image
 A year ago, David Miano, an adjunct professor of history at the State College of Florida made a slanderous and defamatory video about me and my work. This is my response. Greek constellations at Gobekli Tepe? Response to David Miano - YouTube

Karahan Tepe, Kurt Tepesi, Harbetsuvan Tepesi and Gobekli Tepe

Image
 New YT videos on these sites coming soon, following a recent visit to Turkey... Karahan Tepe , Harbetsuvan Tepesi , Kurt Tepesi

Younger Dryas impact review paper accepted for publication in Earth-Science Reviews

Image
The following article has been accepted in Earth-Science Reviews.  © 2021. This author manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ The article is now published and freely available until mid-July 2021 at Earth-Science Reviews . The Younger Dryas impact hypothesis: Review of the impact evidence   Martin B. Sweatman, Institute of Materials and Processes, School of Engineering, King’s Buildings, University of Edinburgh, UK. EH9 3FB martin.sweatman@ed.ac.uk Keywords: cosmic impact, Younger Dryas, platinum anomaly, impact microspherules, nanodiamonds, climate change, Clovis culture, megafaunal extinctions   Abstract Firestone et al., 2007, PNAS 104(41): 16016-16021, proposed that a major cosmic impact,  circa  10,835 cal. BCE, triggered the Younger Dryas (YD) climate shift along with changes in human cultures and megafaunal extinctions. Fourteen years after this initial work the overwhelming consensus of research