| Dynamic changes of a typical linear dune in the Tengger Desert | |
| Zhang, KeCun1; Kai, KenJi2; Qu, JianJun1; Ling, YuQuan1; Niu, QingHe1 | |
| 刊名 | JOURNAL OF ARID LAND
 |
| 2010-12-01 | |
| 卷号 | 2期号:4页码:272-278 |
| 关键词 | linear sand dune dynamic change morphological feature Tengger Desert |
| ISSN号 | 1674-6767 |
| DOI | 10.3724/SP.J.1227.2010.00272 |
| 通讯作者 | Zhang, KeCun(kecunzh@lzb.ac.cn) |
| 英文摘要 | The dynamical processes of a typical linear dune including morphological features, dune ridge swing range and crest height were investigated at different monitoring periods in the hinterland of Tengger Desert. The results indicated that the development of linear dune depends on not only the northwesterly prevailing wind, but also the winds from northeast and southwest. The dune ridge swayed along its fundamental strike and took on an eastward movement gradually. The original dune strike was NW70 degrees on August 3, 1994, and then changed to NE15 degrees on April 21, 2001. The dune crest increased by 1.8 m longitudinally, which manifested strong wind-blown sand activities in this region. Wind erosion frequently occured at the bottom of sand dune, while sand accumulation appeared on its mid-upper section. The mean wind erosion depth was 25 cm on the bottom of linear dune and the height difference of the control points on the dune's ridge was 1.13 m. Although the linear dune swayed laterally, the horizontal displacement of its ridge moved eastward 5.8 m averagely. The swing range of the dune crest line is very distinct, with a maximum value of 13.2 m. The highest site on the K-profile swayed on both sides of the dune ridge and the heights were 19.88 m at the control point K-5, 19.61 m at K-6 and 19.05 m at K-7, respectively. The results indicated that the lateral swing of the linear dune was distinct under the northwesterly wind and it moved toward east gradually. |
| 收录类别 | SCI |
| WOS关键词 | GRAIN-SIZE CHARACTERISTICS ; LONGITUDINAL DUNES ; SAND DUNE ; KALAHARI |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Environmental Sciences |
| 语种 | 英语 |
| 出版者 | SPRINGER HEIDELBERG |
| WOS记录号 | WOS:000293495900006 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2556360 |
| 专题 | 寒区旱区环境与工程研究所 |
| 通讯作者 | Zhang, KeCun |
| 作者单位 | 1.Chinese Acad Sci, Dunhuang Gobi & Desert Ecol & Environm Res Stn, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China 2.Nagoya Univ, Grad Sch Environm Studies, Nagoya, Aichi 4648601, Japan |
| 推荐引用方式 GB/T 7714 | Zhang, KeCun,Kai, KenJi,Qu, JianJun,et al. Dynamic changes of a typical linear dune in the Tengger Desert[J]. JOURNAL OF ARID LAND,2010,2(4):272-278. |
| APA | Zhang, KeCun,Kai, KenJi,Qu, JianJun,Ling, YuQuan,&Niu, QingHe.(2010).Dynamic changes of a typical linear dune in the Tengger Desert.JOURNAL OF ARID LAND,2(4),272-278. |
| MLA | Zhang, KeCun,et al."Dynamic changes of a typical linear dune in the Tengger Desert".JOURNAL OF ARID LAND 2.4(2010):272-278. |
| 个性服务 |
| 查看访问统计 |
| 相关权益政策 |
| 暂无数据 |
| 收藏/分享 |
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。
修改评论