Evolution of historical sediment yield using check-dam systems as carriers: A case study in a restored agricultural catchment on the Loess Plateau, China
文献类型：期刊论文
| 作者 | Wei, Yanhong1,2; Jiao, Juying2,3,4; Li, Yujin3 |
| 刊名 | CATENA
 |
| 出版日期 | 2022-03-01 |
| 卷号 | 210页码:17 |
| 关键词 | Soil erosion Check-dam systems Flood couplets Erosive stage Cluster analysis Yanhe river basin |
| ISSN号 | 0341-8162 |
| DOI | 10.1016/j.catena.2021.105877 |
| 通讯作者 | Jiao, Juying(jyjiao@ms.iswc.ac.cn) |
| 英文摘要 | It is critical to determine soil erosion rates and sediment yields under ecological restoration conditions on the Loess Plateau. Sediments retained in check-dams document the soil erosion history in a small watershed. We selected the check-dam systems to reconstruct the long-term sediment yield in a restored agricultural catchment on the Loess Plateau. The storage capacity curve method was applied to estimate the total sediment deposition of check-dam systems, and 725.82 thousand tons of sediment was trapped in the check-dams systems from 1975 to 2013. Two abrupt change points were detected in 1987 and 2003 using the double mass curve method; the average catchment sediment yields were 5,273.63 t/(km2.a) in Stage-1 (1975-1987), 1,734.09 t/(km(2).a) in Stage-2 (1988-2003), and 2,653.10 t/(km(2).a) in Stage-3 (2004-2013), represented intense erosion, mild erosion, and moderate erosion, respectively. In Stage-2, the sediment yield variation in the Fangta catchment was mainly affected by human activities, and its contribution reached 97%. According to the hierarchical cluster analysis, the soil erosion intensity changed gradually from mild to moderate and then to intense when the average annual erosive rainfall reached approximately 300, 350, and 400 mm in the Fangta catchment of the loess hilly-gully region. Approximately 6.1-42.6 % of the sediment was deposited along the way since 2003 when the sediments generated by erosion in small watersheds were gradually transported to the downstream river network. Therefore, check-dam systems are important carriers for reconstructing the historical sediment yield in small and ungauged watersheds. The results of this study not only serve as a basis for obtaining reliable information on erosion and sediment yield in small dam-controlled catchments, but also provide a useful reference for implementing sustainable ecological restoration in the future. |
| WOS关键词 | SOIL-EROSION CONTROL ; RATES ; IMPACTS |
| 资助项目 | National Natural Science Foundation of China[41771319] ; National Natural Science Foundation of China[41807073] ; CAS Light of West China Program[29Y929681] ; Opening Fund of Key Laboratory of Desert and Desertification, Chinese Academy of Sciences[KLDD-2019-005] |
| WOS研究方向 | Geology ; Agriculture ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:000790438900004 |
| 出版者 | ELSEVIER |
| 资助机构 | National Natural Science Foundation of China ; CAS Light of West China Program ; Opening Fund of Key Laboratory of Desert and Desertification, Chinese Academy of Sciences |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/175998]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Jiao, Juying |
| 作者单位 | 1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Gansu, Peoples R China 2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess Pl, 26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China 3.Northwest A&F Univ, Inst Soil & Water Conservat, 26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China 4.Inst Soil & Water Conservat, 26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wei, Yanhong,Jiao, Juying,Li, Yujin. Evolution of historical sediment yield using check-dam systems as carriers: A case study in a restored agricultural catchment on the Loess Plateau, China[J]. CATENA,2022,210:17. |
| APA | Wei, Yanhong,Jiao, Juying,&Li, Yujin.(2022).Evolution of historical sediment yield using check-dam systems as carriers: A case study in a restored agricultural catchment on the Loess Plateau, China.CATENA,210,17. |
| MLA | Wei, Yanhong,et al."Evolution of historical sediment yield using check-dam systems as carriers: A case study in a restored agricultural catchment on the Loess Plateau, China".CATENA 210(2022):17. |
入库方式： OAI收割
来源：地理科学与资源研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。