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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (4): 990-999    DOI: 10.7522/j.issn.1000-694X.2013.00141
Desert and Desertification     
Dynamic Process of Aeolian-fluvial Interaction Erosion in the Middle Reaches of Baerdong River in Ten-watershed, Inner Mongolia of China
MA Yu-feng1,2,3, YAN Ping2,3, LI Shuang-quan1
1.Institute of Geographical Sciences, Henan Academy of Sciences, Zhengzhou 450052, China;
2.State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University,  Beijing 100875, China;
3.Academy of Disaster Reduction and Emergency Management, Beijing Normal University, Beijing 100875, China
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Abstract  

The study area is located in the middle reaches of Baerdong River in Ten-watershed of Inner Mongolia. Field investigation, meteorological observation, runoff plot experiment, topographic survey and "3S" technology were applied to identify the dynamic process of aeolian-fluvial interaction erosion in the paper. The erosion load was used as a measurement index of the intensity of wind and water erosion. The results showed that the ratio of erosion amount made by wind and water was about 1.8∶1 and the mean erosion rate was 0.1 kg·m-2 in 2010. The wind drove the sediment into the aeolian-fluvial interaction system in the windy season, and the flood took the sediment output from the system in the rainy season. The export amount and form of sediment was influenced by the cycle process of erosion, transport and accumulation within the aeolian-fluvial interactions system. Because of little wind and much rainfall, the east bank was stable while the convex side became narrow and the concave side widened in the west bank in 1998-2010. The swing of the channel became larger, the sand dune on the river bank retreated and the gullies in the terrace continued developing. The contribution of water erosion had more impact on the aeolian-fluvial interaction.

Key words:  Ten-watershed      Baerdong River      aeolian-fluvial interaction erosion      dynamic process     
Received:  20 April 2012      Published:  18 August 2012
ZTFLH:  S157.1  
Articles by authors
MA Yu-feng1
2
3
YAN Ping2
3
LI Shuang-quan1

Cite this article: 

MA Yu-feng1,2,3, YAN Ping2,3, LI Shuang-quan1. Dynamic Process of Aeolian-fluvial Interaction Erosion in the Middle Reaches of Baerdong River in Ten-watershed, Inner Mongolia of China. JOURNAL OF DESERT RESEARCH, 2013, 33(4): 990-999.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00141     OR     http://www.desert.ac.cn/EN/Y2013/V33/I4/990

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