江汉平原12.76 cal. ka B.P.以来环境干湿变化的高分辨率研究
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李枫, 吴立, 朱诚, 孙伟, 王晓翠, 孟华平, 刘辉, 齐士峥, 龚琪岚, 朱光耀, 周凤琴, 李溯源, 欧阳杰
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A High-resolution Study of Moisture Evolution in the Jianghan Plain Since 12.76 cal. ka B.P.
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Feng LI, Li WU, Cheng ZHU, Wei SUN, Xiao-cui WANG, Hua-ping MENG, Hui LIU, Qi-lan GONG, Guang-yao ZHU, Feng-qin ZHOU, Su-yuan LI, Jie OUYANG
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表1 JZ-2010剖面AMS14C测年及校正数据 |
Table 1 AMS14C and calendar age of JZ-2010 profile |
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送样编号 | 样品性质 | 采样深度(cm) | 测试编号 | AMS14C年代 (a B.P.) | 2σ校正年代 | 日历年代 (cal a B.P.) | JJ AMS14C-9 | 泥 炭 | 231~232 | GZ4100 | 1270±20 | 678AD(100%)775AD | 1224 | JJ AMS14C-8 | 泥 炭 | 262~264 | GZ4099 | 2405±20 | 539BC(98.1865%)401BC | 2420 | JJ AMS14C-6 | 泥 炭 | 318~320 | GZ4098 | 3185±20 | 1497BC(100%)1422BC | 3410 | JJ AMS14C-4 | 淤 泥 | 395~397 | GZ4096 | 4235±20 | 2903BC(85.9137%)2867BC | 4835 | JJ AMS14C-2 | 淤 泥 | 435~437 | GZ4095 | 4815±25 | 3588BC(67.242%)3528BC | 5508 | JJ AMS14C-1 | 淤 泥 | 635~637 | GZ4094 | 10870±35 | 10943BC(100%)10670BC | 12757 |
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