Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41501008 |
| 基于复合指纹法的党河水库淤积物来源定量判别研究 | |
| 柳本立 | |
| 主持机构 | 中国科学院寒区旱区环境与工程研究所 |
| 开始日期 | 2016 |
| 结束日期 | 2018 |
| 资助经费 | 230000(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 | This research aims to quantify the contributions of various source areas including river bank, gullies, gobi land, sandy land and the flood carried sediment to the deposits in the Danghe Reservoir in the west end of the Hexi Corridor and point out their main places. Samples from different layers of the reservoir deposits and the potential source areas will be tested to obtain the transportation and sedimentary features that are affected by Aeolian activities in this extremely arid area. By analyzing the data of grain size, elementary composition and content of the geochemical elements, discriminators of the sedimentary sources will be established to build composite fingerprinting models for Aeolian and fine fluvial deposits, and to distinguish the contribution of each source type quantitatively. Then the main source areas of the sediments in this arid land reservoir will be confirmed so that following soil and water conservation and blown-sand controlling projects can be conducted. This work will help to release the storage-reducing problem of Danghe Reservoir and the water shortage problem of Dunhuang oasis, and also provide practical guidance to the numerous reservoirs in other arid regions. Moreover, this scientifically and practically important work will enrich the study of fluvial sedimentology in arid land. |
| 中文关键词 | 风沙地貌 ; 风水复合侵蚀 ; 水库淤积 ; 复合指纹判别 ; 水土保持 |
| 来源机构 | 中国科学院西北生态环境资源研究院 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346993 |
| 推荐引用方式 GB/T 7714 | 柳本立.基于复合指纹法的党河水库淤积物来源定量判别研究.2016. |
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