Open AccessTree Rings Show Record of Newly Identified Extreme Solar Activity Event
Author(s) -
Morgan Rehnberg
Publication year - 2021
Publication title -
eos
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.316
H-Index - 86
eISSN - 2324-9250
pISSN - 0096-3941
DOI - 10.1029/2021eo160762
Subject(s) - event (particle physics) , tree (set theory) , mathematics , physics , astrophysics , combinatorics
Mass spectroscopy of tree ring material indicates a sharp, single-year rise in carbon-14 concentrations consistent with an extreme solar energetic particle event that occurred around 5410 BCE.