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Abrupt Increase of Radiocarbon Concentration in 660 BC in Tree Rings from Grabie Near Kraków (SE Poland)
Radiocarbon ( IF 8.3 ) Pub Date : 2019-05-21 , DOI: 10.1017/rdc.2019.40 Andrzej Rakowski , Marek Krąpiec , Matthias Huels , Jacek Pawlyta , Christian Hamann , Damian Wiktorowski
Radiocarbon ( IF 8.3 ) Pub Date : 2019-05-21 , DOI: 10.1017/rdc.2019.40 Andrzej Rakowski , Marek Krąpiec , Matthias Huels , Jacek Pawlyta , Christian Hamann , Damian Wiktorowski
Miyake et al. (2012, 2013, 2014) described a sudden increase of radiocarbon (14 C) concentration in annual tree rings of Japanese cedar (Cryptomeria japonica ) and Hinoki cypress (Chamaecyparis obtusa) between AD 774 and 775 and between AD 993 and 994. In both analyzed periods, the sudden increase was observed almost in a single year. The increase in the 14 C content was about 12‰ in the period AD 774–775 (Miyake et al. 2012) and about 11.3‰ in the period AD 993–994 (Miyake et al. 2013, 2014; Fogtmann-Schultz et al. 2017; Rakowski et al. 2018). A similar increase was observed in 660 BC, with a peak height of about 10‰ (Park et al. 2017). Single-year samples of dendrochronologically dated tree rings of deciduous oak (Quercus robur ) from Grabie, a village near Krakow (SE Poland), spanning the years 670–652 BC, were collected and their 14 C content was measured using an AMS technique. The results clearly show a rapid increase in the 14 C concentration in tree rings around 660 BC similar to this observed in Park et al. (2017).
中文翻译:
克拉科夫附近格拉比(波兰东南部)的树木年轮中的放射性碳浓度在公元前 660 年突然增加
三宅等人。(2012, 2013, 2014) 描述了放射性碳的突然增加 (14 C) 日本雪松年轮中的浓度 (柳杉 ) 和桧柏 (扁柏) 在公元 774 年至 775 年以及公元 993 年至 994 年之间。在这两个分析期间,几乎在一年内观察到突然增加。的增加14 C 含量在公元 774-775 年约为 12‰(Miyake 等,2012),在公元 993-994 年约为 11.3‰(Miyake 等,2013、2014;Fogtmann-Schultz 等,2017;Rakowski 等al. 2018)。在公元前 660 年观察到类似的增加,峰值高度约为 10‰(Park 等人,2017 年)。落叶栎树年轮的单年样本(栎木 )来自克拉科夫(波兰东南部)附近的一个村庄 Grabie,跨越公元前 670 年至 652 年,被收集并14 使用 AMS 技术测量 C 含量。结果清楚地表明,14 公元前 660 年左右树木年轮中的 C 浓度与 Park 等人观察到的相似。(2017)。
更新日期:2019-05-21
中文翻译:
克拉科夫附近格拉比(波兰东南部)的树木年轮中的放射性碳浓度在公元前 660 年突然增加
三宅等人。(2012, 2013, 2014) 描述了放射性碳的突然增加 (