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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (1): 53-64    DOI: 10.7522/j.issn.1000-694X.2013.00008
Desert and Desertification     
Protecting Cities and Towns from Blown-sand Disasters in Semi-arid Area of China—A case study of Dabqig Town in Uxin Banner of Inner Mongolia
WU Xiao-xu1,2, ZOU Xue-yong1, ZHANG Yi-lei1
1.State Key Laboratory of Earth Surface Processes and Resource Ecology/MOE Engineering Center of Desertification and Blown-sand Control, Beijing Normal University, Beijing 100875, China;
2.College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China
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Abstract  

Sand-blown disasters frequently occur in semi-arid area of China where cities and towns are relatively densely located. It is imperative to protect cities and towns from sand-blown disasters in semi-arid Area. Based on field survey of sand source and vegetation cover, as well as wind-tunnel measurement of independent vegetation and mechanical windbreaks, a configuration model for sand-blown prevention and control measures are proposed. Based on principles of sand-control engineering system and sand-control measures construction for different underlying surfaces around the towns in semi-arid area, a sand-control model for protecting Dabqig Town of the Uxin Banner from sand-blown disasters can be outlined as a "three-ring" model. The innermost ring is landscape greenbelt zone with Dabqig Town at the core. This zone is located around Dabqig Town with the maximum distance of 600-900 m from the town. The second ring is sand dune enclosure and agriculture-stock production zone, including two sub-zones. The facility agriculture sub-zone has a width of about 1 km. The exurb sub-zone of sand dune/land enclosure and individual agriculture-stock production covers a larger area, and an outstanding feature of this sub-zone is that its main area is used for ecological environment construction as well protection, and a relatively small area is used for agriculture-stock production. The outermost ring is sand dune/land enclosure and protection zone. This zone is located in northwest of the Uxin Banner. It mainly includes mobile and semi-mobile dune chains and flat drifting sand-land, thus is the main sand/dust source for Dabqig Town. Therefore this zone should be enclosed and protected using corresponding sand-control measures.

Key words:  sand-control for city and town      Dabqig      "three ring"      model     
Received:  08 July 2012      Published:  20 January 2013
ZTFLH:  X43  

Cite this article: 

WU Xiao-xu1,2, ZOU Xue-yong1, ZHANG Yi-lei1. Protecting Cities and Towns from Blown-sand Disasters in Semi-arid Area of China—A case study of Dabqig Town in Uxin Banner of Inner Mongolia. JOURNAL OF DESERT RESEARCH, 2013, 33(1): 53-64.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00008     OR     http://www.desert.ac.cn/EN/Y2013/V33/I1/53

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