THE MIYAKE EVENT IN 993 CE RECORDED IN OAK SUB-ANNUAL TREE RINGS FROM KUJAWY (POLAND)

被引:0
作者
Rakowski, Andrzej [1 ]
Krapiec, Marek [2 ]
Huels, Matthias [3 ]
Pawlyta, Jacek [2 ]
Wiktorowski, Damian [2 ]
机构
[1] Silesian Tech Univ, Ctr Sci & Educ, Inst Phys, Konarskiego 22B Str, PL-44100 Gliwice, Poland
[2] AGH Univ Sci & Technol, Mickiewicza Av 30, PL-30059 Krakow, Poland
[3] Univ Kiel, Leibniz Lab Radiometr Dating & Isotope Res, Max Eyth Str 11-13, D-24118 Kiel, Germany
关键词
calibration curve; Miyake Event; radiocarbon dating; SEP; tree rings; COSMIC-RAY EVENT; RADIOCARBON CONCENTRATION; AD; 774-775; INCREASE; AMS; VERIFICATION; EXCURSIONS; BC;
D O I
10.1017/RDC.2022.54
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
This article presents measurements of the radiocarbon (C-14) concentration in sub-annual tree rings. Samples of earlywood (EW) and latewood (LW) from dendrochronologically dated tree rings (English oak, Quercus robur) from Kujawy, near Krakow (Poland), spanning the years of 990-997 CE, are extracted and their C-14 content is measured at the Center for Applied Isotope Studies at the University of Georgia, USA. The EW and LW data show a gradual increase in the Delta C-14 values between 991-995 CE, which are similar to those observed by Rakowski et al. (2018). An increase of 10.3 +/- 2.6 parts per thousand in Delta C-14 for the EW data, and 8.6 +/- 2.6 parts per thousand for the LW data has been recorded for this period. Using this data, it is possible to estimate the time period for when a major historical event occurred, which seems to have been in the late summer (September -2/+1 month) of 993 CE.
引用
收藏
页码:1597 / 1606
页数:10
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