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A Single‐Year Cosmic Ray Event at 5410 BCE Registered in (14)C of Tree Rings
The annual (14)C data in tree rings is an outstanding proxy for uncovering extreme solar energetic particle (SEP) events in the past. Signatures of extreme SEP events have been reported in 774/775 CE, 992/993 CE, and ∼660 BCE. Here, we report another rapid increase of (14)C concentration in tree rin...
Autores principales: | , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
John Wiley and Sons Inc.
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8365682/ https://www.ncbi.nlm.nih.gov/pubmed/34433990 http://dx.doi.org/10.1029/2021GL093419 |