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Influence of the factors of the shelterbelt on the wind control effect near the shelterbelt

Zheng Zhi

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Abstract

In the experimental site,the semiarid sandstorm area in northern province shanxi,the wind control effect near the shelterbelt was investigated.The relationship between the reduction percentage of the wind in the distance of 5H(5 times of the beltheight)and the constructionfactors of the shelterbelt were analysed by using the method of regression analysis.The construction factors of the shelterbelt are the degree of closeness of crown part,the degree of closeness of subaxile part,the breadth of the belt,the planting density,the angle between the shelterbelt and the wind direction,the height of the belt and the percentage of the height of subaxile part compared with the beltheight.The result shows that the degree of closeness of subaxile part,the angle between the shelterbelt and the wind direction and the percentage of the height of subaxile part compared with the beltheight are the dominant factors which influence the wind control effect near the shelterbelt.

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What this paper is about

In the experimental site,the semiarid sandstorm area in northern province shanxi,the wind control effect near the shelterbelt was investigated.The relationship between the reduction percentage of the wind in the distance of 5H(5 times of the beltheight)and the constructionfactors of the shelterbelt were analysed by using the method of regression analysis.The construction factors of the shelterbelt are the degree of closeness of crown part,the degree of closeness of subaxile part,the breadth of the belt,the planting density,the angle between the shelterbelt and the wind direction,the height of the belt and the percentage of the height of subaxile part compared with the beltheight.The result shows that the degree of closeness of subaxile part,the angle between the shelterbelt and the wind direction and the percentage of the height of subaxile part compared with the beltheight are the dominant factors which influence the wind control effect near the shelterbelt.

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Available abstract

In the experimental site,the semiarid sandstorm area in northern province shanxi,the wind control effect near the shelterbelt was investigated.The relationship between the reduction percentage of the wind in the distance of 5H(5 times of the beltheight)and the constructionfactors of the shelterbelt were analysed by using the method of regression analysis.The construction factors of the shelterbelt are the degree of closeness of crown part,the degree of closeness of subaxile part,the breadth of the belt,the planting density,the angle between the shelterbelt and the wind direction,the height of the belt and the percentage of the height of subaxile part compared with the beltheight.The result shows that the degree of closeness of subaxile part,the angle between the shelterbelt and the wind direction and the percentage of the height of subaxile part compared with the beltheight are the dominant factors which influence the wind control effect near the shelterbelt.

Key concepts: Windbreak, Wind speed, Degree (music), Environmental science, Crown (dentistry), Geography, Meteorology, Agroforestry

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