Evolution of an ancient large lake in the southeast of the northern Tibetan Plateau
文献类型：期刊论文
| 作者 | Zhu, DG; Meng, XG; Zhao, XT; Shao, ZG; Xu, ZF; Yang, CB; Ma, ZB; Wu, ZG; Wu, ZH; Wang, JP |
| 刊名 | ACTA GEOLOGICA SINICA-ENGLISH EDITION
 |
| 出版日期 | 2004 |
| 卷号 | 78期号:4页码:982-992 |
| 关键词 | Nam Co Tibet levelling survey uranium-series dating late Pleistocene lake development ancient large lake |
| ISSN号 | 1000-9515 |
| 文献子类 | Article |
| 英文摘要 | Nam Co is the largest (1920 km in area) and highest (4718 m above sea level) lake in Tibet. According to the discovery of lake terraces and highstand lacustrine deposits at several places in Nam Co and its adjacent areas, the authors confirm the existence of an ancient large lake in the southeastern part of the northern Tibetan Plateau. On the basis of the U-series, C-14 and ESR dating, coupled with the levelling survey of lake deposits and geomorphology, the evolutionary process of the ancient large lake in the southeastern part of the northern Tibetan Plateau may fall into three stages: (1) the ancient large lake stage at 115-40 ka BP, when the ancient lake level was 140-26 m above the level of present Nam Co; (2) the outflow lake stage at 40-30 ka BP, when the ancient level was 26-19 m above the present lake level; and (3) the Nam Co stage since 30 ka BP, when the ancient lake level was <19 m above the present lake level. During the ancient large lake stage, a large number of modem large, medium-sized and small lakes, including Nam Co, Siling Co and Zhari Namco, in the southeastern part of the northern Tibetan Plateau, were connected into a single large ancient lake, rather than several separate lakes connected by river channels. Its areal extent may have gone beyond the watersheds of the modem endorheic and exorheic drainage systems; so it may be called the "ancient east lake", "ancient south lake" and "ancient west lake". It might also be connected with other ancient lakes in the southern and western parts of the northern Tibetan Plateau to form a unified "ancient large lake" on the northern Tibetan Plateau. |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000225082500011 |
| 出版者 | GEOLOGICAL SOC CHINA |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/64333]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Zhu, DG |
| 作者单位 | 1.Chinese Acad Geol Sci, Inst Geomech, Beijing 100037, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China 3.Jiangxi Inst Geol Survey, Jiangxi 330201, Peoples R China 4.Tibet Bur Land & Resources, Lhasa 850000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhu, DG,Meng, XG,Zhao, XT,et al. Evolution of an ancient large lake in the southeast of the northern Tibetan Plateau[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION,2004,78(4):982-992. |
| APA | Zhu, DG.,Meng, XG.,Zhao, XT.,Shao, ZG.,Xu, ZF.,...&Wang, JP.(2004).Evolution of an ancient large lake in the southeast of the northern Tibetan Plateau.ACTA GEOLOGICA SINICA-ENGLISH EDITION,78(4),982-992. |
| MLA | Zhu, DG,et al."Evolution of an ancient large lake in the southeast of the northern Tibetan Plateau".ACTA GEOLOGICA SINICA-ENGLISH EDITION 78.4(2004):982-992. |
入库方式： OAI收割
来源：地质与地球物理研究所
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