Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41471070 |
| 东北平原西部沙地的风尘系统研究 | |
| 谢远云 | |
| 主持机构 | 哈尔滨师范大学 |
| 开始日期 | 2015 |
| 结束日期 | 2018 |
| 资助经费 | 900000(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 | The researches on the west side of the sandy lands in northeast Plain of China, as a part of Asian dust system, especially in the case of the Songnen Sandy Land, have were still not carried out from the perspective of dust system. The series of the questions for Asia eolian dust system, associated with the course of generating, emission, transportation and deposit of the dust, are not yet perfectly understood. Accordingly, together with eolian dust materials, the west sandy lands in northeast Plain of China, with geographical advantages for investigating Asian dust system research, are chosen as the research object to carry out comprehensive Asian dust system research. Firstly, the different genetic types of sediments in Quaternary stratum in each sandy land are systematically sampled in order to systematically establish material characteristics of west sandy land in northeast Plain of China. Next, the loess, current dust and eolian dust deposits in maar lake in study area are analyzed and compared with eolian dust in the Japan sea and the north Pacific Ocean sediments in order to investigate the contribution of northeast sandy land to Asian dust. Finally, combined with source area materials and eolian dust materials, the lines of the questions concerning Asia eolian dust system are addressed in terms of the mechanism of dust generating and emission, the implications of the sandland during dust generating, the mechanism of dust homogenization, the contribution of midway materials during dust transportation, and constraint on specific dust source area. The present research not only contributes to a better understanding of some scientific problems in eolian dust system research, also has very important implication for the control of modern dust. |
| 来源机构 | 哈尔滨师范大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/345771 |
| 推荐引用方式 GB/T 7714 | 谢远云.东北平原西部沙地的风尘系统研究.2015. |
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