Paleosols identified by rock magnetic properties indicate dam-outburst events of the Min River, eastern Tibetan Plateau
文献类型：期刊论文
| 作者 | Liu, Weiming1 ; Cui, Peng1; Ge, Yonggang1; Yi, Zhiyu2
|
| 刊名 | PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
 |
| 出版日期 | 2018-11-01 |
| 卷号 | 508页码:139-147 |
| 关键词 | Fine-grained magnetic minerals Fan-delta deposition Paleosols Damming events |
| ISSN号 | 0031-0182 |
| DOI | 10.1016/j.palaeo.2018.07.029 |
| 英文摘要 | River terrace sediments are archives of past fluvial processes and they may also reflect a wide range of additional environmental processes. Detailed studies of river terrace sediments are important for understanding the role of tectonics, climate and extreme geomorphological events in fluvial evolution. Here, we present a sedimentary reconstruction using the combination of field description, magnetic measurements and optically stimulated luminescence and AMS C-14 dating of the Maoxian (MX) section in the third terrace of the Min river, in the eastern margin of the Tibetan Plateau. The section is mainly composed of clastic deposits and spans the interval from the last glacial to late Holocene. Apart from the silt at the bottom and the gravel layer in the middle, it is difficult to determine whether other clastic deposits were exposed sub-aerially. Multiple magnetic proxies indicate that the MX section contains three layers of pedogenic production of fine-grained magnetite/maghemite, which correspond to paleosol layers. The paleosol layers indicate the occurrence of at least three intervals of exposure to the atmosphere. The three paleosol layers were likely caused by dam-outburst events. The results demonstrate that rock magnetic methods are a useful approach for identifying paleosol layers in fluvial sediments. |
| 语种 | 英语 |
| WOS记录号 | WOS:000444359200011 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://ir.imde.ac.cn/handle/131551/23875]  |
| 专题 | 成都山地灾害与环境研究所_山地灾害与地表过程重点实验室 |
| 通讯作者 | Liu, Weiming |
| 作者单位 | 1.Chinese Acad Sci, CAS Key Lab Mt Hazards & Surface Proc, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Lithospher Evolut, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Weiming,Cui, Peng,Ge, Yonggang,et al. Paleosols identified by rock magnetic properties indicate dam-outburst events of the Min River, eastern Tibetan Plateau[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2018,508:139-147. |
| APA | Liu, Weiming,Cui, Peng,Ge, Yonggang,&Yi, Zhiyu.(2018).Paleosols identified by rock magnetic properties indicate dam-outburst events of the Min River, eastern Tibetan Plateau.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,508,139-147. |
| MLA | Liu, Weiming,et al."Paleosols identified by rock magnetic properties indicate dam-outburst events of the Min River, eastern Tibetan Plateau".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 508(2018):139-147. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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