Relations between morphology, air flow, sand flux and particle size on transverse dunes, Taklimakan Sand Sea, China
文献类型：期刊论文
| 作者 | Wang, XM; Dong, ZB; Zhang, JW; Zhao, AG |
| 刊名 | EARTH SURFACE PROCESSES AND LANDFORMS
 |
| 出版日期 | 2002-05-01 |
| 卷号 | 27期号:5页码:515-526 |
| 关键词 | transverse dunes sand flux mean wind velocity particle size Taklimakan Sand Sea |
| ISSN号 | 0197-9337 |
| DOI | 10.1002/esp.324 |
| 通讯作者 | Wang, XM() |
| 英文摘要 | Field experiments on two isolated transverse dunes with different scales in the Taklimakan Sand Sea show that particle size and slope control the threshold shear velocity and sand flows on the stoss of the dunes. The decreased threshold shear velocity and the unsaturated sand flows are the main reasons why sands are not deposited at the toe of the dunes. The particle size controls sand flux through its influence on the aerodynamic roughness elements and threshold shear velocities. The sand flux is different for dune surfaces with different particle size distributions. Under the control of the medium to low stress of the drifting-sand winds, the results of the field experiments and particle size analysis showed that sand transport had little influence on the particle size distributions. The mean particle size being transported on the stoss is lower than that on the dune surface, It is difficult to determine whether or not the wind is fully saturated with sands when sand flux calculation is mainly dependent on the shear velocity and the mean particle size. The sands within some range of the particle size are transported and developed into simple transverse dunes, and then the interdune surface is coarsened and alternated with the draas in the Taklimakan Sand Sea. Copyright (C) 2002 John Wiley Sons, Ltd. |
| 收录类别 | SCI |
| WOS关键词 | STOSS SLOPE ; SEDIMENT TRANSPORT ; WINDWARD FLANKS ; BARCHAN DUNE ; SILVER-PEAK ; DESERT ; SALTATION ; THRESHOLD ; DYNAMICS ; VELOCITY |
| WOS研究方向 | Physical Geography ; Geology |
| WOS类目 | Geography, Physical ; Geosciences, Multidisciplinary |
| 语种 | 英语 |
| WOS记录号 | WOS:000176024500004 |
| 出版者 | JOHN WILEY & SONS LTD |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2556766 |
| 专题 | 寒区旱区环境与工程研究所 |
| 通讯作者 | Wang, XM |
| 作者单位 | 1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lab Blown Sand Phys & Desert Environm, Lanzhou 730000, Gansu Province, Peoples R China 2.Chinese Acad Sci, Inst Engn Res, Lanzhou 730000, Gansu Province, Peoples R China 3.Lanzhou Univ, Dept Geog, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, XM,Dong, ZB,Zhang, JW,et al. Relations between morphology, air flow, sand flux and particle size on transverse dunes, Taklimakan Sand Sea, China[J]. EARTH SURFACE PROCESSES AND LANDFORMS,2002,27(5):515-526. |
| APA | Wang, XM,Dong, ZB,Zhang, JW,&Zhao, AG.(2002).Relations between morphology, air flow, sand flux and particle size on transverse dunes, Taklimakan Sand Sea, China.EARTH SURFACE PROCESSES AND LANDFORMS,27(5),515-526. |
| MLA | Wang, XM,et al."Relations between morphology, air flow, sand flux and particle size on transverse dunes, Taklimakan Sand Sea, China".EARTH SURFACE PROCESSES AND LANDFORMS 27.5(2002):515-526. |
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来源：寒区旱区环境与工程研究所
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