YANG Guang,DING Guo-dong,ZHAO Ting-ning,et al.Preliminary Study on the Efficiency of Wind Prevention and Sand Resistance of Agriophyllum squarrosum (L) Moq[J].Research of Soil and Water Conservation,2006,13(02):172-174,243.
沙蓬防风阻沙效能初步研究
- Title:
- Preliminary Study on the Efficiency of Wind Prevention and Sand Resistance of Agriophyllum squarrosum (L) Moq
- Keywords:
- Agriophyllum squarrosum (L) Moq; wind prevention and sand resistance; roughness; amount of sediment transport
- 分类号:
- S793.9
- 摘要:
- 选取了延庆县官厅湖畔的沙蓬试验地为研究对象，对沙蓬试验地的粗糙度、防风效能、输沙量、起沙风速及单株沙蓬的阻截沙范围进行的系统的观测和研究。结果表明，沙蓬试验地的粗糙度为6.17cm，比迎风面空旷沙地高出5.37cm；其防风效能在30cm和50cm高度处较好，分别为24.13%和17.07%，当高度达到200cm时，已几乎没有防风效能；当风速达到7.1m/s时，沙蓬试验地仍未见起沙现象；20min时段内平均风速为5.8m/s时，沙蓬试验地的积沙量仅为0.62g；单株沙蓬的阻截沙范围为1.37m2。
- Abstract:
- The Agriophyllum squarrosum (L) Moq. experimental plot in Guanting lakefront of Yanqing county was taken as investigation subject, based on the observations and investigations on roughness, effective function of wind prevention, amount of sediment transport, blown wind speed and single Agriophyllum squarrosum’s sand resistance range. The result shows that the roughness of experimental plot is 6.17 cm, which is higher than clear sand land in windward slope with 5.37 cm; the effective function of wind prevention at the height of 30 cm and 50 cm is better, with the percentage separately is 24.13% and 17.07% and at the height of 200 cm nearly has no effective function of wind prevention; when the wind speed up to 7.1 m/s, the experimental plot still has no sand blown phenomenon; the average wind speed is 5.8 m/s in 20 min, the sand accumulation in the experimental plot is only 0.62 g; the single Agriophyllum squarrosum’s sand resistance range is 1.37 m2.
参考文献/References:
[1] 麻保林,漆建忠.几种灌木固沙林的效益研究[J].水土保持通报,1994,14(7):22-28.
[2] 张华,李锋瑞,张铜会,等.春季裸露沙质农田土壤风蚀量及变异特征[J].水土保持学报,2002,16(1):29-32.
[3] 董光荣,李长治,金炯,等.关于土壤风蚀风洞模拟实验的某些结果[J].科学通报,1987,32(4):297-301.
[4] 董治宝,陈渭南,董光荣,等.植被对风沙土风蚀作用的影响[J].环境科学学报,1996,16(4):442-446.
[5] 李建树.中国三北草木繁殖与利用[M].北京:中国林业出版社,1998.143-144.
[6] 张景光,周海燕,王新平,等.沙坡头地区一年生植物的生理生态特性研究[J].中国沙漠,2002,22(4):350-353.
[7] 朱朝云,丁国栋,杨明远.风沙物理学[M].北京:中国林业出版社,1991.17-20.
[8] 李振山,陈广庭.粗糙度研究的现状及展望[J].中国沙漠,1997,17(1):99-102.
[9] 张华,李锋瑞,张铜会,等.科尔沁沙地不同下垫面风沙流结构与变异特征[J].水土保持学报,2002,16(2):20-28.
[10] 岳德鹏,刘永兵,徐伟,等.北京市永定河沙地人工植被防风阻沙效益分析[J].北京林业大学学报,2004,26(2):21-24.
[11] 黄富祥,高群.毛乌素沙地不同防风材料降低风速效应的比较[J].水土保持学报,2001,15(1):27-30.
[12] 赵景峰,李崇舜,何清,等.塔克拉玛干沙漠腹地中一井地区起沙风分析和输沙量的估算[J].干旱区地理,1995,18(3):40-47.
[13] Brooks F A.Needfor measuring horizontal gradients in determining vertical eddy transfer of heat and moisture[J].J.Mete-orol.,1961,18:589-596.
[14] Chepil W S,Woodruff N P,Siddoway F H,et al.Vegetative and nonvegetative materials to control wind and water erosion[J].Soil Sci.Soc.Am.Proc.,1963,27(1):86-89.
[15] Siddoway F H,Chepil W S,Armbrust D V.Effect of kind,amount,and placement of residue on wind erosion control[J].Trans.ASAE,1965,8(3):327-331.
备注/Memo
收稿日期:2005-4-18;改回日期:。
基金项目:国家自然科学基金资助项目“基于空气动力学流动阻力及绕流理论的植被防风蚀机理研究”（项目编号：30471422）
作者简介:杨光（1974- ），男，内蒙古鄂尔多斯人，在读硕士研究生，研究方向为水土保持与荒漠化防治治。
通讯作者:丁国栋，男，副教授，研究方向为荒漠化防治。