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ABSOLUTE DENDROCHRONOLOGICAL SCALE FOR PINE (PINUS SYLVESTRIS L.) FROM UJŚCIE (NW POLAND), DATED USING RAPID ATMOSPHERIC 14C CHANGES
Radiocarbon ( IF 8.3 ) Pub Date : 2020-11-26 , DOI: 10.1017/rdc.2020.116
Marek Krąpiec , Andrzej Rakowski , Jacek Pawlyta , Damian Wiktorowski , Monika Bolka

Radiocarbon (14C) analyses are commonly used to determine the absolute age of floating tree-ring chronologies. At best, with the wiggle-matching method, a precision of 10 years could be achieved. For the early Middle Ages, this situation has been markedly improved by the discovery of rapid changes in atmospheric 14C concentrations in tree-rings dated to 774/775 and 993/994 AD. These high-resolution changes can be used to secure other floating tree-ring sequences to within 1-year accuracy. While a number of studies have used the 774 even to secure floating tree-ring sequences, the less abrupt 993 event has not been so well utilized. This study dates a floating pine chronology from Ujście in Wielkopolska (Greater Poland) (NW Poland), which covers the 10th century period and is critical for studies on the beginning of the Polish State to the calendar years 859–1085 AD using the changes in single year radiocarbon around 993/4 AD.

中文翻译:

来自 UJŚCIE(波兰西北部)的松树(Pinus SYLVESTRIS L.)的绝对树木年代学标度,使用快速大气 14C 变化测定日期

放射性碳 (14C) 分析通常用于确定浮动年轮年表的绝对年龄。最好的情况是,使用摆动匹配方法,可以达到 10 年的精度。在中世纪早期,由于发现了大气的快速变化,这种情况得到了显着改善。14树轮中的 C 浓度可追溯到公元 774/775 年和 993/994 年。这些高分辨率变化可用于确保其他浮动年轮序列的精度在 1 年内。虽然许多研究甚至使用 774 来保护浮动年轮序列,但不太突然的 993 事件并没有得到很好的利用。这项研究确定了来自 Wielkopolska(大波兰)(波兰西北部)的 Ujście 的浮动松树年表,该年表涵盖了 10 世纪时期,对于使用公元 859 年至 1085 年的日历年波兰国家的开始研究至关重要。公元 993/4 年左右的单年放射性碳。
更新日期:2020-11-26
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