Field Investigation on Wind Preventing Effect of Two Simulated Shrub

LIU Hu-jun; ZHU Guo-qing; GUO Chun-xiu; MA Rui; SUN Tao; WANG Duo-ze; YUAN Hong-bo; LI Xue-min; LIU Kai-lin

doi:10.13961/j.cnki.stbctb.2014.04.044

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Field Investigation on Wind Preventing Effect of Two Simulated Shrub

- Field Investigation on Wind Preventing Effect of Two Simulated Shrub
- Bulletin of Soiland Water Conservation Vol. 33, Issue 4, Pages: 155-159(2014)
- 作者机构：
  
  1. 甘肃省荒漠化与风沙灾害防治重点实验室-省部共建国家重点实验室培育基地,甘肃,兰州,730070
  2. 甘肃省治沙研究所,甘肃,兰州,730070
  3. 甘肃农业大学林学院,甘肃,兰州,730070
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.04.044
  CLC：
- Published：2014
- 稿件说明：
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LIU Hu-jun, ZHU Guo-qing, GUO Chun-xiu, et al. Field Investigation on Wind Preventing Effect of Two Simulated Shrub[J]. Bulletin of Soiland Water Conservation, 2014, 33(4): 155-159.
DOI：

LIU Hu-jun, ZHU Guo-qing, GUO Chun-xiu, et al. Field Investigation on Wind Preventing Effect of Two Simulated Shrub[J]. Bulletin of Soiland Water Conservation, 2014, 33(4): 155-159. DOI： 10.13961/j.cnki.stbctb.2014.04.044.

摘要

仿照沙旱生灌木构型制成无叶和有叶两种仿真固沙灌木

在野外观测了这两种仿真固沙灌木对风速变化的影响。结果表明

当风速为2.2~5.5 m/s时

40 cm高度的仿真固沙灌木削弱风速率随风速增大而增加。仿真固沙灌木平均风速削减率小于沙蒿

但统计分析差异不显著。无叶仿真固沙灌木平均降低风速率小于有叶仿真固沙灌木。仿真固沙灌木是结合多种植物优势组合而成

是对植物治沙措施的优化

具有显著的防风效应。

Abstract

The two types of simulated sand-fixing shrub such as no-leaf-shrubs and leaf-shrubs were made up according to sand xeric shrubs configuration

and their effects on change of wind velocity was observed in ourdoor. The results showed that the reducing ratio of wind velocity increased with the increase wind velocity at the height of 40 cm with wind velocity of 2.2~5.5 m/s. The ratio of reducing wind velocity of the simulated shrubs was less than that of Artemisia arenaria

but not statistical significance. The ratio of reducing wind velocity of simulated leaf-shrubs was bigger than simulated no-leaf-shrubs. Simulated sand-fixing shrub has the remarkable function to control wind velocity because it is combined with the advantage of various vegetation

it is a optimized vegetation measure for controlling sand.

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