[1]LIANG Wei,LI Zhen-guo,ZHENG Yong,et al.Benifit of Preventing Wind Erosion with Artificial Vegetation in Yanqing County[J].Research of Soil and Water Conservation,2008,15(01):50-52.
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Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
15
Number of periods:
2008 01
Page number:
50-52
Column:
Public date:
2008-02-20
- Title:
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Benifit of Preventing Wind Erosion with Artificial Vegetation in Yanqing County
- Author(s):
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LIANG Wei1, LI Zhen-guo2, ZHENG Yong3, BAI Cui-xia1, ZHOU Li-jun1
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1. The Changjiang Water Resources Commission, Wuhan 430010, China;
2. Yunnan Jinyu Ecological Engineering Consultation Co.Ltd., Kunming 650224, China;
3. Beijing Forstry University, Beijing 100083, China
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- Keywords:
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artificial vegetation; the benifit of wind prevention; roughness
- CLC:
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S157
- DOI:
-
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- Abstract:
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Based on the observations and investigations, the paper studies the rule of preventing sand blown by wind of two types of artificial vegetation, in Yanqing county.The result shows that: wind speed of forest belt descends most and the efficiency of wind prevention is best behind 7H from windward side; The one of patch forest is behind 9H from windward side.The roughness of patch forest is 1.65 times larger than road in forest, and 4.81 times larger than bare area.the effect of sand prevention in forest belt is primarily behind the leeward side, with the protective ratio of 82.3%, and the patch forest is inner of forest, with the protective ratio of 87.1%.The order of the average quantity of sand prevention are patch forest>forest belt.