鹤庆孔碳酸盐记录与深海δ<sup>18</sup>O和黄土粒度记录的对比

肖海丰; 沈吉; 肖霞云

鹤庆孔碳酸盐记录与深海δ¹⁸O和黄土粒度记录的对比

肖海丰^1,2,
沈吉¹,
肖霞云^1,2

1 中国科学院南京地理与湖泊研究所, 南京 210008;
2 中国科学院研究生院, 北京 100039

基金项目:

国家自然科学重点基金项目(40331003)

国家自然科学基金项目(40572109)

详细信息

作者简介:
肖海丰(1972-),女,博士,从事湖泊沉积研究,E-mail:xhf@niglas.ac.cn

中图分类号: P532
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出版历程
- 收稿日期: 2005-08-11
- 修回日期: 2005-11-26

COMPARISON BETWEEN CARBONATE RECORD OF HEQING CORE, δ¹⁸O RECORD OF THE DEEP SEA AND GRAIN SIZE RECORD OF THE CONTINENTAL LOESS

1 Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Naning 210008, China;
2 Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

摘要

摘要: 通过天文调谐确定鹤庆孔时间标尺的基础上,对鹤庆孔碳酸盐含量曲线、深海δ¹⁸O曲线和黄土粒度曲线进行对比分析。结果显示:在中更新世转型过程中,鹤庆碳酸盐记录早于深海δ¹⁸O和黄土粒度记录,由此推测青藏高原隆升在中更新世转型中发挥重要作用。鹤庆碳酸盐含量曲线与深海δ¹⁸O曲线整体上对应较好,推测全球冰体积变化在西南季风演化中发挥重要的作用。
- 西南季风 /
- 深海δ¹⁸O曲线 /
- 黄土粒度曲线 /
- 鹤庆盆地
Abstract: Based on the scale of time of Heqing core confirmed by astronomical tune, this paper compares the curve of carbonate content of Heqing core with that of the deep sea δ¹⁸O and the loess grain size. The results show that the carbonate record of Heqing core is earlier than deep sea δ¹⁸O record and the grain size record of the continental loess during the mid-Pleistocene revolution, meaning that the uplift of Tibet Plateau plays an important role among the mid-Pleistocene revolution. Further, the curve of the carbonate content of Heqing core corresponds well with that of the deep sea δ¹⁸O, reflecting that the change of the global ice volume plays an important role in the evolution of southwest monsoon.
- southwest monsoon /
- curve of the deep sea δ¹⁸O /
- curve of the loess grain

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参考文献(19)

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