Table 1 The modeled atmospheric 14C increases, produced 14C and normalized 14C produced at the modern earth magnetic field is given for new and known events.
From: Tree-rings reveal two strong solar proton events in 7176 and 5259 BCE
Simulated Δ14C increase (‰) | Additional 14C produced (kg) | Geomagnetic field strength (1022Am2) Knudsen | Geomagnetic field strength (1022Am2) Panovska | Normalized additional 14C produced (kg) (M = 7.8 ∙ 1022Am2) Knudsen | Normalized additional 14C produced (kg) (M = 7.8 ∙ 1022Am2) Panovska | |
|---|---|---|---|---|---|---|
7176 BCE (This Study) | 19.5 ± 0.6 | 28.7 ± 0.9 | 8.7 ± 1.7 | 7.5 ± 0.4 | 30.1 ± 3.6 | 28.0 ± 1.2 |
5410 BCE22 | 5.6 ± 0.8 | 9.0 ± 1.1 | 7.2 ± 0.6 | 7.3 ± 0.4 | 8.6 ± 1.1 | 8.6 ± 1.1 |
5259 BCE (This Study) | 19.1 ± 0.6 | 29.2 ± 0.9 | 7.1 ± 0.5 | 7.4 ± 0.4 | 27.6 ± 1.4 | 28.4 ± 1.2 |
660 BCE13 | 12.5 ± 1.1 | 19.2 ± 2.1 | 11.4 ± 0.6 | 9.0 ± 0.4 | 23.9 ± 2.7 | 20.9 ± 2.4 |
775 CE53 | 17.6 ± 0.5 | 26.2 ± 1.0 | 10.7 ± 0.4 | 9.3 ± 0.5 | 31.5 ± 1.4 | 29.0 ± 1.4 |
993 CE53 | 9.6 ± 0.6 | 14.0 ± 1.2 | 10.3 ± 0.4 | 9.0 ± 0.5 | 16.5 ± 1.5 | 15.2 ± 1.4 |
1052 CE17 | 5.9 ± 1.1 | 10.1 ± 2.0 | 10.2 ± 0.4 | 9.0 ± 0.4 | 11.8 ± 2.3 | 11.0 ± 2.2 |
1279 CE17 | 6.5 ± 1.6 | 9.2 ± 2.7 | 9.6 ± 0.3 | 9.2 ± 0.5 | 10.4 ± 3.0 | 10.1 ± 2.9 |
