Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.still.2014.05.015 |
Characteristics of aeolian sediment transport over different land surfaces in northern China | |
Zhang, Zhengcai; Dong, Zhibao![]() | |
通讯作者 | Zhang, Zhengcai |
来源期刊 | SOIL & TILLAGE RESEARCH
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ISSN | 0167-1987 |
EISSN | 1879-3444 |
出版年 | 2014 |
卷号 | 143页码:106-115 |
英文摘要 | Differences among regions in the meteorological, surface, and vegetation cover characteristics lead to differences in sediment transport. In this paper, field data were measured above five surface types in the arid zone of northern China to analyze the vertical distribution of sediments in the near-surface transport layer (0-50 cm) and total sediment transport. We were able to express the sediment flux in this zone as an exponential function for all surface types. Sediment transport differed among the surfaces, with the greatest transport above mobile dunes, followed by cultivated land, semi-fixed dunes, fixed dunes, and a shrub community. Vegetation coverage is important for reducing wind erosion and increasing the proportion of the creep sediment transport. With increasing vegetation cover, the soil erosion decreased; the amount for the mobile dunes was 659 times that of the shrub community, and 8 times for fixed dunes. The proportion of sediment transported by creeping differed among the five surface types, with a minimum of 33% for the mobile dunes, and maximum of 44% for the shrub community. Crown Copyright (C) 2014 Published by Elsevier B.V. All rights reserved. |
英文关键词 | Sediment flux Sediment transport Land surface characteristics Modeling |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
收录类别 | SCI-E |
WOS记录号 | WOS:000340698600012 |
WOS关键词 | WIND EROSION ; FIELD CALIBRATION ; VEGETATION COVER ; MASS-TRANSPORT ; INNER-MONGOLIA ; SAND TRANSPORT ; FLUX ; SALTATION ; TUNNEL ; SOIL |
WOS类目 | Soil Science |
WOS研究方向 | Agriculture |
来源机构 | 中国科学院西北生态环境资源研究院 |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/184982 |
作者单位 | Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Desert & Desertificat, Lanzhou 730000, Gansu, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Zhengcai,Dong, Zhibao. Characteristics of aeolian sediment transport over different land surfaces in northern China[J]. 中国科学院西北生态环境资源研究院,2014,143:106-115. |
APA | Zhang, Zhengcai,&Dong, Zhibao.(2014).Characteristics of aeolian sediment transport over different land surfaces in northern China.SOIL & TILLAGE RESEARCH,143,106-115. |
MLA | Zhang, Zhengcai,et al."Characteristics of aeolian sediment transport over different land surfaces in northern China".SOIL & TILLAGE RESEARCH 143(2014):106-115. |
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