山东章丘黄土粒度指示的粉尘堆积过程及古气候意义
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孔凡彪, 陈海涛, 徐树建, 苗晓东
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Dust accumulation processes and palaeoenvironmental significance of loess indicated by grain size in Zhangqiu, Shandong Province
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KONG Fanbiao, CHEN Haitao, XU Shujian, MIAO Xiaodong
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表1 章丘剖面OSL测年结果
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Tab. 1 OSL dating results of the samples in the Zhangqiu section
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实验
编号 | 野外
编号 | 埋深
(cm) | U
(Bq/kg) | Th
(Bq/kg) | K
(Bq/kg) | 实测含
水量(%) | 环境剂量率(Gy/ka) | 等效剂量
(Gy) | 年龄
(ka) | | 16-OSL-523 | HY01 | 100 | 28.1±1.9 | 48.5±0.5 | 659±10 | 11±5 | 3.42±0.14 | 0.90±0.04 | 0.264±0.017 | | 16-OSL-524 | HY02 | 250 | 28.7±2.6 | 46.0±0.5 | 656±10 | 18±5 | 3.13±0.12 | 49.1±1.1 | 15.7±0.7 | | 16-OSL-525 | HY03 | 370 | 26.5±1.7 | 45.4±0.5 | 654±10 | 12±5 | 3.27±0.13 | 67±3 | 20.4±1.4 | | 16-OSL-526 | HY04 | 470 | 27.4±2.6 | 45.0±0.5 | 653±10 | 17±5 | 3.10±0.12 | 73±3 | 23.6±1.4 | | 16-OSL-521 | HY05 | 717 | 31.3±2.1 | 48.3±0.5 | 602±10 | 10±5 | 3.22±0.13 | 101±5 | 32.0±2.0 | | 16-OSL-522 | HY06 | 1260 | 31.1±1.6 | 47.2±0.5 | 617±10 | 9±5 | 3.23±0.14 | 126±5 | 39.0±2.0 |
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