| 最近11万年来东亚季风轨道与千年尺度气候变率在南京下蜀黄土中的记录 |
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| 引用本文： | 张茂恒,孟景闻,夏应菲,赖忠平,汪永进.最近11万年来东亚季风轨道与千年尺度气候变率在南京下蜀黄土中的记录[J].地层学杂志,2011(3):321-327. |
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| 作者姓名： | 张茂恒 孟景闻 夏应菲 赖忠平 汪永进 |
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| 作者单位： | 南京师范大学地理科学学院;江苏省环境演变与生态建设重点实验室;中国科学院黄土与第四纪地质国家重点实验室; |
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| 基金项目： | 国家自然科学基金项目(No.40471135,No.40501075); 江苏高校优势学科建设工程资助项目资助 |
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| 摘 要： | 对南京李家岗下蜀黄土剖面上部的近20 m地层进行野外观察和室内研究,划分出5层黄土和5层古土壤,按5 cm间距采集了Rb/Sr、色度、磁化率和粒度样品,并在剖面和可追索的相邻剖面上采集了13个光释光测年样品。分析结果显示,Rb/Sr、色度和磁化率等夏季风代用指标曲线所表现的4次岁差变率振荡具有高度的一致性,依据气候地层...
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| 关 键 词： | 东亚季风 轨道和千年尺度 下蜀黄土 第四纪 南京 江苏 |
ORBITAL AND MILLENNIAL SCALE PERIODICITY OF EASTERN ASIAN MONSOON VARIATION DURING THE PAST 110 ka RECORDED IN THE XIASHU LOESS,NANJING |
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| ZHANG Mao-heng,MENG Jing-wen ,XIA Ying-fei ,LAI Zhong-ping , WANG Yong-jin College of Geography Science,Nanjing Normal University,Nanjing , Jiangsu Key Laboratory of Environment Change , Ecological Construction, State Key Laboratory of Loess , Quaternary Geology,Chinese Academy of Science,Xi'an.ORBITAL AND MILLENNIAL SCALE PERIODICITY OF EASTERN ASIAN MONSOON VARIATION DURING THE PAST 110 ka RECORDED IN THE XIASHU LOESS,NANJING[J].Journal of Stratigraphy,2011(3):321-327. |
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| Authors: | ZHANG Mao-heng MENG Jing-wen XIA Ying-fei LAI Zhong-ping WANG Yong-jin College of Geography Science Nanjing Normal University Nanjing Jiangsu Key Laboratory of Environment Change Ecological Construction State Key Laboratory of Loess Quaternary Geology Chinese Academy of Science Xi'an |
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| Institution: | ZHANG Mao-heng1)2),MENG Jing-wen 1),XIA Ying-fei 1),LAI Zhong-ping3) and WANG Yong-jin1)2)1) College of Geography Science,Nanjing Normal University,Nanjing 210097,2) Jiangsu Key Laboratory of Environment Change and Ecological Construction,3) State Key Laboratory of Loess and Quaternary Geology,Chinese Academy of Science,Xi'an 710054 |
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| Abstract: | The Xiashu loess at Lijiagang,Nanjing,is 20 m thick,and consists of 5 loess-paleosol complexes.Rb/Sr,chroma,magnetic susceptibility and grain size were measured at 5cm intervals to reveal the monsoon variability history.The results show that Rb/Sr,chroma and MS,forced by summer monsoon fluctuations,vary synchronously and correspond to four precession cycles.Based on comparison between climatic stratigraphy and 13 OSL dates,the Xiashu loess at Lijiagang can be correlated with the last glacial cycle(MIS2-5).T... |
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| Keywords: | monsoon orbital and millennial scale Xiashu Loess Quaternary Nanjing Jiangsu |
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