[1]周兰萍,张德魁,马全林,等. 金塔县不同固沙模式的防风效益观测研究[J].西北林学院学报,2020,35(2):186-189.[doi:10.3969/j.issn.1001-7461.2020.02.27]
　ZHOU Lan-ping,ZHANG De-kui,MA Quan-lin,et al. Protection Benefits of Different Sand-fixing Measures in Jinta County[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2020,35(2):186-189.[doi:10.3969/j.issn.1001-7461.2020.02.27]
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 金塔县不同固沙模式的防风效益观测研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第35卷
期数:
2020年第2期
页码:
186-189
栏目:
出版日期:
2020-03-31

文章信息/Info

Title:
 Protection Benefits of Different Sand-fixing Measures in Jinta County
文章编号:
1001-7461(2020)02-0186-04
作者:
 周兰萍; 张德魁; 马全林; 樊宝丽; 肖斌; 张裕年
 （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/甘肃省荒漠化防治重点实验室/甘肃民勤荒漠草地生态系统国家野外科学观测研究站/甘肃省治沙研究所，甘肃 兰州 730070）
Author(s):
 ZHOU Lan-ping; ZHANG De-kui; MA Quan-lin; FAN Bo-li; XIAO Bin; ZHANG Yu-nian
 (State Key Laboratory of Desertification and Aeolian Sand Disaster Combating/Gansu Key Lab of Desertification Combating/Gansu Minqin National Station of Desertification Pasture Ecology System Research/Gansu Desert Control Research Institute,Lanzhou 730070,Gansu,China）
关键词:
 ; 沙障; 风速; 地表粗糙度; 防风效益; 金塔县
Keywords:
 ; sand barrier;  wind speed;  ground roughness;  protection benefit;  Jinta county
分类号:
S771
DOI:
10.3969/j.issn.1001-7461.2020.02.27
文献标志码:
A
摘要:
 采用DES梯度风观测系统对金塔县滴灌生物固沙林、砾石沙障、仿真植物沙障和PLA沙障4种固沙模式的风速进行野外观测，分析不同固沙模式的防风效益。结果表明：1）设置沙障可以明显降低风速，风速降低幅度：PLA沙障＞仿真植物沙障＞滴灌生物固沙林＞砾石沙障。2）滴灌生物固沙林下风向林带边缘和中间林带内10～30 cm高度，风速减弱明显；砾石沙障布设在沙丘顶部对风速减弱较在平整地块强。3）地表粗糙度：PLA沙障＞滴灌生物固沙林＞仿真植物沙障＞砾石沙障。本研究为当地生态环境治理和防沙治沙工程提供一定的理论依据和参考价值。
Abstract:
 In order to evaluate the windbreak effect of four sand fixation measures,including drip irrigated biological sand fixation forest,gravel sand-barrier,simulated plant sand-barrier,and polylactic acid (PLA) fiber sand-barrier,DES gradient wind observing system was adopted to measure the wind speed in the field of Jinta county,Gansu Province.The results showed that:1) setting sand barrier could significantly reduce the wind speed,the amplitude of wind reduction of four barriers was in the order of PLA sand barrier>simulated plant sand-barrier>drip irrigated biological sand fixation forest>gravel sand-barrier.2) For the drip irrigated biological sand fixation forest,the wind speed decreased significantly in the height of 10~30 cm above ground; gravel sand-barrier set on the top of the sand dune reduced the wind speed more significantly than that on the flat ground.3) The order of ground roughness was PLA sand barrier>drip irrigated biological sand fixation forest>simulated plant sand-barrier>gravel sand-barrier.The results of this study would provide the theoretical basis for the restoration of local ecological environment and sand control project.

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备注/Memo

备注/Memo:
 收稿日期：2018-09-14修回日期：2019-10-31
基金项目：国家自然科学基金项目（31560235，31560236）；基础研究创新群体项目（1506RJIA155）；省属科研院所条件建设专项（18JR2TA015）；林业行业标准制修订项目(2019130004-83) 。
作者简介：周兰萍，女，副研究员，研究方向：荒漠化监测与防治。E-mail：zhoulp525@163.com
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