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Showing results for tags 'tree rings'.
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The Long-Lost Tale of an 18th-Century Tsunami, as Told by Trees
Oxytropidoceras posted a topic in Fossil NewsThe Long-Lost Tale of an 18th-Century Tsunami, as Told by Trees Local evidence of the cataclysm has literally washed away over the years. But Oregon’s Douglas firs may have recorded clues deep in their tree rings. Max G. Levy, Wired Magazine, September 29, 2021 the paper is: Dziak, R. P., Black, B. A., Wei, Y., and Merle, S. G., 2021, Assessing local impacts of the 1700 CE Cascadia earthquake and tsunami using tree-ring growth histories: a case study in South Beach, Oregon, USA, Nat. Hazards Earth Syst. Sci., 21, 1971-1982.
Tree rings and Earthly impacts of distant supernovae
Oxytropidoceras posted a topic in Fossil NewsTree rings may hold clues to impacts of distant supernovas on Earth University of Colorado at Boulder, November 11, 2020 https://www.sciencedaily.com/releases/2020/11/201111144400.htm Tree rings may hold clues to earthly impacts of distant supernovas https://www.sciencealert.com/traces-of-supernovae-could-be-locked-in-the-rings-of-ancient-trees https://sciencesprings.wordpress.com/2020/11/14/from-university-of-colorado-boulder-tree-rings-may-hold-clues-to-earthly-impacts-of-distant-supernovas/ The paper is; Brakenridge, G.R., Solar system
Geologists uncover Antarctica's fossil forests (Permian)
Oxytropidoceras posted a topic in Fossil NewsAntarctica's 260-Million-Year Old Permian Epoch Forests Uncovered (VIDEO), The Daily Galaxy, November 09, 2017 http://www.dailygalaxy.com/my_weblog/2017/11/antarcticas-260-million-year-old-permian-epoch-forests-uncovered.html Geologists uncover Antarctica's fossil forests November 9, 2017 by Matthew Wamser https://phys.org/news/2017-11-geologists-uncover-antarctica-fossil-forests.html http://uwm.edu/news/uwm-geologists-uncover-antarcticas-fossil-forests/ Other papers about other Permian Forests Luthardt, L. and Rößler, R., 2017. Foss