Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41472147 |
| 晚更新世以来青藏高原东部黄土沉积过程与环境演化 | |
| 杨胜利 | |
| 主持机构 | 兰州大学 |
| 开始日期 | 2015 |
| 结束日期 | 2018 |
| 资助经费 | 950000(CNY) |
| 项目类别 | 面上项目 |
| 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 | Loess and associated aeolian deposits are widespread in the eastern Tibetan Plateau(TP). These deposits have the potential to provide valuable archives to understand the effects of the tectonic uplift and the evolution of arid environment in the TP since late Pleistocene.This study focuses on the loess deposits in the eastern TP, and the sands/dune deposits in the Huanghe-Changjiang Headwaters region. Six typical transections from NW to SE, including sand sheets, paleo-dunes, loess-paleosol sequences,will be investigated using detailed optically stimulated luminescence (OSL) and AMS 14-C dating methods to resconstruct the high resolution aeolian sediment rates, dust flux,and aeolian activities history since the last glacial. Based on the reliable chronology, the detailed environmental records can be built by multiple proxies to investigate the aeolian process, dust passports, aridification history, and the effects of the climate changes and the Tibetan uplift. |
| 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/2XILL650/345723 |
| 推荐引用方式 GB/T 7714 | 杨胜利.晚更新世以来青藏高原东部黄土沉积过程与环境演化.2015. |
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