Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41302144 |
| 伊朗黄土高原晚新生代风成红粘土序列的磁性地层和古环境记录研究 | |
| 王鑫 | |
| 主持机构 | 兰州大学 |
| 开始日期 | 2014 |
| 结束日期 | 2016 |
| 资助经费 | 280000(CNY) |
| 项目类别 | 青年科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | The Asian aridification and its forcing mechanism are one of the most predominate scientific topics in Earth Sciences, however, there remains lack of in-situ aridification records from arid central Asia. The Iranian Loess Plateau is located at the mid-latitude arid Asian region dominated today by the Westerlies, which is a key region for us to understand the aridification history of Asia as well its forcing mechanism. In this work, we attempt to conduct a systemic investigation of the late Cenozoic red clay sequences in the Iranian Loess Plateau on the basis of our new findings in the Gorgan red clay section; develop high-resolution palaeomagnetic dating of typical sections to establish a reliable chronological frame for the aeolian sequences of the Iranian Loess Plateau; conduct relative high-resolution measurements of environmental magnetic parameters, grain size, redness, and soil organic carbon to probe into the timing and amplitude of major aridification events during the late Cenozoic; evaluate the spatial and temporal patterns of Asian aridification during the late Cenozoic by comparing the multi-proxy records from different region of Asia. |
| 中文关键词 | 新生代 ; 古地磁 ; 古气候 ; 红粘土 ; 亚洲内陆干旱化 |
| 来源机构 | 兰州大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346686 |
| 推荐引用方式 GB/T 7714 | 王鑫.伊朗黄土高原晚新生代风成红粘土序列的磁性地层和古环境记录研究.2014. |
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