Middle Pleistocene Climate Transition: Evidences from Rock Magnetic Record of Chinese Loess-paleosol Sequence

被引：0
|
作者：
Song, Yougui [1 ]
Fang, Xiaomin [3 ]
Torii, Masayuki [2 ]
Ishikawa, Naoto [4 ]
机构：
[1] Chinese Acad Sci, Inst Earth & Environm, SKLLQG, Box 17, Xian 710075, Peoples R China
[2] Okayama Univ Sci, Fac Informat, Okayama 7000005, Japan
[3] Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China
[4] Kyoto Univ, Grad Human & Environm Stud, Kyoto 6068501, Japan
来源：
2006 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM, VOLS 1-8 | 2006年
关键词：
Mid-Pleistocene climate transition; Rock magnetism; loess-paleosol sequence; Chinese Loess Plateau;
D O I：
10.1109/IGARSS.2006.407
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The Mid-Pleistocene climate transition (MPT) is a complex global change leading to Late Pleistocene ice ages with increased mean ice volume and dominant 100-ka cycle. However, the timing and structure of the MPT is still an open question both in marine and land sediments. In order to identify and explore the existence of MPT in terrestrial aeolian sediments, we carried out high-resolution rock magnetic analyses on aeolian loess sediments in the central Loess :Plateau, North China. The results show that the MPT occurred at 0.93Ma and ended at 0.62Ma. This transition event maybe related to the aggravation of dry, the forming and expanding of desert in Asian interior triggered by the uplift of the Tibetan plateau besides global ice volume and solar insolation.
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收藏
页码：1580 / +
页数：2
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