Migration and cutoff of meanders in the hyperarid environment of the middle Tarim River, northwestern China
文献类型：期刊论文
| 作者 | Li, Zhiwei3; Yu, Guo-An4; Brierley, Gary John1; Wang, Zhaoyin5; Jia, Yanhong2 |
| 刊名 | GEOMORPHOLOGY
 |
| 出版日期 | 2017 |
| 卷号 | 276页码:116-124 |
| 关键词 | Dryland river Meandering channel Lateral migration Cutoff |
| ISSN号 | 0169-555X |
| DOI | 10.1016/j.geomorph.2016.10.018 |
| 通讯作者 | Yu, Guo-An(yuga@igsnrr.ac.cn) |
| 英文摘要 | A meandering channel has developed in the middle Tarim River, the longest inland river flowing through a hyper arid environment in northwestern China. Although the drainage basin of the Tarim River extends over 1 million km(2), flow in downstream reaches is largely restricted to summer months, and irrigation pressures have made the flood season increasingly short. The planform morphology, lateral migration rate, and cutoffs of 105 meanders were analysed using multiperiod remote sensing images and field survey analyses of channel bed and bank properties and of riparian vegetation cover. Results show that planform attributes of the meandering Tarim River are similar to those found in other environments. The ratio of the channel centreline length to the neck channel width of meanders ranges between 12 and 8.1, the bend curvature (ratio of bend radius to channel width) ranges between 0.30 and 2.8, and the average deflection angle of the bend apexes is 79.9. Meander migration rates range from 1.4 to 96.7 m y(-1). From 2000 to 2013, 45 cutoffs occurred along the 400-km-long reach. As the riparian vegetation cover is sparse because of limited precipitation and because banks are comprised of dense roots, fine sand and silt materials, but lack clay, bank strength is limited and presents limited constraints upon bend movement. (C) 2016 Elsevier B.V. All rights reserved. |
| WOS关键词 | CHANNEL MIGRATION ; FLOODPLAIN EVOLUTION ; RIPARIAN VEGETATION ; BEATTON RIVER ; LOWER REACHES ; BASIN ; PLANFORM ; DYNAMICS ; BEHAVIOR ; RUNOFF |
| 资助项目 | Alexander von Humboldt Foundation ; National Natural Science Foundation of China[41571009] ; National Natural Science Foundation of China[91547112] ; National Natural Science Foundation of China[91547113] ; National Natural Science Foundation of China[51309102] ; National Key R & D Plan of the Ministry of Science and Technology of the People's Republic of China[2016YFC0401401] ; National Key R & D Plan of the Ministry of Science and Technology of the People's Republic of China[2016YFC0402502] ; Research Foundation of the Education Department of Hunan Province of China[16B010] |
| WOS研究方向 | Physical Geography ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000388777800011 |
| 出版者 | ELSEVIER SCIENCE BV |
| 资助机构 | Alexander von Humboldt Foundation ; National Natural Science Foundation of China ; National Key R & D Plan of the Ministry of Science and Technology of the People's Republic of China ; Research Foundation of the Education Department of Hunan Province of China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/65660]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Yu, Guo-An |
| 作者单位 | 1.Univ Auckland, Sch Environm, Auckland 92019, New Zealand 2.East China Normal Univ, Shanghai 200052, Peoples R China 3.Changsha Univ Sci & Technol, Sch Hydraul Engn, Key Lab Water Sediment Sci & Water Disaster Preve, Changsha 410114, Hunan, Peoples R China 4.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China 5.Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Zhiwei,Yu, Guo-An,Brierley, Gary John,et al. Migration and cutoff of meanders in the hyperarid environment of the middle Tarim River, northwestern China[J]. GEOMORPHOLOGY,2017,276:116-124. |
| APA | Li, Zhiwei,Yu, Guo-An,Brierley, Gary John,Wang, Zhaoyin,&Jia, Yanhong.(2017).Migration and cutoff of meanders in the hyperarid environment of the middle Tarim River, northwestern China.GEOMORPHOLOGY,276,116-124. |
| MLA | Li, Zhiwei,et al."Migration and cutoff of meanders in the hyperarid environment of the middle Tarim River, northwestern China".GEOMORPHOLOGY 276(2017):116-124. |
入库方式： OAI收割
来源：地理科学与资源研究所
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