Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.scitotenv.2018.01.270 |
Sediment grain-size characteristics and relevant correlations to the aeolian environment in China’s eastern desert region | |
Zhang, Chunlai1,2; Shen, Yaping1,2; Li, Qing3; Jia, Wenru1,2; Li, Jiao1,2; Wang, Xuesong1,2 | |
通讯作者 | Shen, Yaping |
来源期刊 | SCIENCE OF THE TOTAL ENVIRONMENT |
ISSN | 0048-9697 |
EISSN | 1879-1026 |
出版年 | 2018 |
卷号 | 627页码:586-599 |
英文摘要 | To identify characteristics of aeolian activity and the aeolian environment in China’s eastern desert region, this study collected surface sediment samples from the main desert and sandy lands in this region: the Hobq Desert and the Mu Us, Otindag, Horqin, and Hulunbuir sandy lands. We analyzed the grain-size characteristics and their relationships to three key environmental indicators: drift potential, the dune mobility index, and vegetation cover. The main sediment components are fine to medium sands, with poor (Hulunbuir) to moderate (all other areas) sorting, of unimodal to bimodal distribution. This suggests that improved sorting is accomplished by the loss of both relatively coarser and finer grains. Since 2000, China’s eastern desert region has generally experienced low wind energy environmental conditions, resulting in decreased dune activity. In the Hobq Desert, however, the dry climate and sparse vegetation, in conjunction with the most widely distributed mobile dune area in the eastern desert region, have led to frequent and intense aeolian activity, including wind erosion, sand transport, and deposition, resulting in conditions for good sediment sorting. In the Mu Us, Otindag, and Horqin sandy lands, mosaic distribution has resulted from wind erosion-dominated and deposition-dominated aeolian environments. In the Hulunbuir Sandy Land, high precipitation, low temperatures, and steppe vegetation have resulted in well-developed soils; however, strong winds and flat terrain have created an aeolian environment dominated by wind erosion. (c) 2018 Elsevier B.V. All rights reserved. |
英文关键词 | Sandy desert Drift potential Dune mobility index Deposition environment |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
收录类别 | SCI-E |
WOS记录号 | WOS:000431848500057 |
WOS关键词 | PARTICLE-SIZE ; SOUTHWESTERN KALAHARI ; DUNEFIELD ACTIVITY ; LINEAR DUNES ; SOUTHERN-AFRICA ; ORGANIC-CARBON ; WIND ; NITROGEN ; COVER ; SOILS |
WOS类目 | Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
来源机构 | 北京师范大学 |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/212950 |
作者单位 | 1.MOE Engn Res Ctr Desertificat & Blown Sand Contro, State Key Lab Earth Surface Proc & Resources, 19 Xinjiekouwai St, Beijing 100875, Peoples R China; 2.Beijing Normal Univ, Fac Geog Sci, 19 Xinjiekouwai St, Beijing 100875, Peoples R China; 3.Hebei Acad Sci, Inst Geog Sci, Shijiazhuang 050021, Hebei, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Chunlai,Shen, Yaping,Li, Qing,等. Sediment grain-size characteristics and relevant correlations to the aeolian environment in China’s eastern desert region[J]. 北京师范大学,2018,627:586-599. |
APA | Zhang, Chunlai,Shen, Yaping,Li, Qing,Jia, Wenru,Li, Jiao,&Wang, Xuesong.(2018).Sediment grain-size characteristics and relevant correlations to the aeolian environment in China’s eastern desert region.SCIENCE OF THE TOTAL ENVIRONMENT,627,586-599. |
MLA | Zhang, Chunlai,et al."Sediment grain-size characteristics and relevant correlations to the aeolian environment in China’s eastern desert region".SCIENCE OF THE TOTAL ENVIRONMENT 627(2018):586-599. |
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