PLA沙障对土壤物理性质影响及其防护效益研究
详细信息    本馆镜像全文|  推荐本文 |  |   获取CNKI官网全文
摘要
本研究以PLA纤维灌沙形成的半隐蔽式PLA沙障为研究对象,通过测定1m×1m、2m×2m、3m×3m规格PLA沙障的风速、输沙量、障格内凹曲面形态,土壤物理性质及植被指标,并以裸露沙丘和相同规格的麦草沙障作为对比进行研究,综合分析PLA沙障的防风固沙效益,对土壤物理性质及植被恢复的影响,得到的结论如下:
     (1)研究风速效能降低程度及地表粗糙度得到:PLA沙障>麦草沙障>对照。PLA沙障与麦草沙障的风速廓线曲线呈现出“S”型,而对照的风速廓线曲线服从指数函数分布。3种规格相比,随着规格的增大,风速效能降低程度越小、地表粗糙度越小,并且风速廓线呈现“S”型特征变的不明显,逐渐与指数函数曲线形状接近。
     (2)PLA沙障在0~30cm的输沙量曲线波动较大,麦草沙障次之,并且麦草沙障输沙量总体趋势与对照的相似,随着高度的增加,输沙量呈现减小的趋势。1m×1m的PLA沙障对输沙量变化影响最大,2m×2m的次之,3m×3m的最小,而3规格麦草沙障输沙量的变化趋势基本与对照的一致。
     (3)PLA沙障形成的凹曲面形状比较规则,表面比较光滑,而麦草沙障凹曲面的4边均低于4个角,表面高低不平,没有PLA曲面光滑。拟合N-S和W-S曲线都符合一元二次函数,但是1m×1m规格凹曲面相关系数R2最高,2m×2m规格次之,3m×3m规格最差,并且N-S曲线的均开口较小,曲线凹曲程度较W-S大;随着规格的增大,PLA沙障与麦草沙障的障间蚀积系数均减小,但是,所有规格的障间蚀积系数值均小于1/10。
The study focus on PLA sand barrier,it was fibre irrigatting sand, through testing speed of wind, sand-transporting quantity, concave surface characteristic of square grid and soil physical properties, vegetation restoration of 1m×1m,2m×2m,3m×3m specifications PLA sand barrier. Analysing effect of sand-fixed benefit, soil physical properties and vegetation by PLA sand barrier, and comparing the bare sand and the straw barrier which are the same specification as PLA sand barrier and got the following conclusions:
     (1)From the contrast the declare level of wind speed and the roughness of the surface performanced: PLA sand barrier>straw barrier>the control; the wind profile of the PLA sand barrier and straw barriers was "S", and the wind profile was fit for exponential distribution. Comparing to the three specifications of sand barrier, with the specification larger, the effects of wind speed reducing was worse and roughness of the surface was smaller, furthermore, shape "S" becomed not as clear as before and gradually it was more close to the shape of the wind profile of the control.
     (2) 0~30cm sand-transporting quantity of PLA sand barrier had great fluctuations, followed by wheat straw sand barrier and straw sand barrier overall trends were similar to the control. With the height increasing, sand-transporting quantity tends to declare. PLA sand barrier of 1m×1m had the greatest effect on sand-transporting quantity, the second was 2m×2m, 3m×3m was the minimum, however, the trends of sand-transporting quantity of 3 specifications straw barriers were nearly the same as comparison.
     (3)Form of square grid concave surface of PLA sand barrier was regular, and surface was smooth. The hight of the concave surface 4 sides of the straw barrier were lower than 4 corners, there were different hight on surface and was not as smooth as PLA sand barrier. Suspect that N-S and W-S curves fit quadratic function, but the coefficient R2 of the 1m×1m concave surface was the highest, followed by 2m×2m, 3m×3m was the worst, the opening of the N-S curve was small and the level of the curve concave was larger than W-S, with the size increasing, the erosion coefficient of PLA sand barrier and straw sand barrier both decrease, and all the coefficient of specifications were less than 1/10.
引文
1 UNCOD.Desertification its ceauses and consequences pergamon press Lfd.1977
    2 UNESCO.Case studies on desertification UNESCO.1980
    3王礼先.全球荒漠化防治现状及发展趋势[J].世界林业科技,1994,1:10-17
    4中国荒漠化及其防治.中国政府代表团在“国际荒漠化防治公约谈判委员会”第一次会议上的报告,1993
    5国家林业局.中国荒漠化和沙化状况公报[EB/OL],2005:中国网
    6孙保平.荒漠化防治工程学[M].北京:中国林业出版社,2000:144-202
    7耿宽宏.民勤粘土沙障初见成效[J].地理,1961,9:200-205
    8 Lee S J,Park K C,Park C W.Wind tunnel observations about the shelter effect of porous fences on the sand particle movements[J].Atmospherie Environment,2002,36:1453-463
    9司洪生.关于“荒漠化”与“沙漠化”概念的讨论[J].世界林业研究,1998(1):68-71
    10董治宝.中国风沙物理研究五十年[J].中国沙漠,2005,25(3):293-298
    11郜永贵,包兰线K716-K730段戈壁风沙流沙害的综合治理[D],中国西部地区铁路治沙学术研讨会论文集,2007
    12 Chipil W S. The physics of wind erosion and its control[J].Advances in Agronomy, 1995,15:211-302
    13张奎壁,邹受益.治沙原理与技术[M],中国林业出版社,1990,90-108
    14 Batchelor G K.An Introduction to Fluid Dynamics[M].Cambridge University Press,1967, 409-413
    15凌裕泉,金炯,邹本功,等.栅栏在防止前积沙中的作用—沙坡头地区的栅栏阻沙实验研究[J].流沙治理研究(二).银川:宁夏人民出版社,1991,297-308
    16刘贤万.实验风沙物理与风沙工程学[M].北京:科技出版社,1995.149-165
    17孙中峰,荣建东,李英杰,等.应用沙障作用治理流动沙地的试验研究[J].黑龙江:黑龙江水专学报,199,12(24):54-55
    18王训明,陈广庭,韩致文,等.塔里木沙漠公路沿线机械防沙体系效益分析[J].中国沙漠,1999,19(2):120-127
    19韩致文,刘贤万,姚正义.复膜沙袋阻沙体与芦苇高立式方格沙障防沙机理风洞模拟实验[J].中国沙漠,2000,20(1):40-44
    20吴正,董治宝,李保生.阻沙工程、风沙地貌与治沙工程[M].北京:科学出版社,2003.331-335
    21高永,邱国玉,丁国栋,等.沙柳沙障的防风固沙效益研究[J].中国沙漠,2004,5(24):365-370
    22薄天利,郑晓静.防沙栅栏风洞实验的数值模拟[J].兰州大学学报(自然科学版),2005,41(5): 97-101
    23王翔宇,丁国栋,高函,等.带状沙柳沙障的防风固沙效益研究[J].水土保持学报,2008, 22(2):42-46
    24刘世海,冯玲正,许兆义.青藏铁路格拉段高立式沙障防风固沙效果研究[J].铁道学报, 2010,32(1):134-136
    25刘世增,蔡宗良.荒漠化地区活沙障建设技术研究[J].防护林科技,1997,9(3):1-6
    26常兆丰,仲生年,韩福桂,等.粘土沙障及麦草沙障合理间距的调查研究[J].中国沙漠,2000, 20(4):455-457
    27胡春元,崔琳,罗俊宝等.库布齐沙漠公路沙害综合防护技术[J].内蒙古公路与运输,2003,(78):30-33
    28李红丽,董智,孙保平,等.土壤凝结剂沙障固沙机理及流沙控制的研究[J].水土保持学报2004,18(4):8-11
    29董智,李红丽,左合君等.土壤凝结剂沙障防沙机理的风洞模拟实验研究[J].干旱区资源与环境,2004,5(18):35-38
    30马全林,王继和,刘虎俊,等.机械沙障在退化人工梭梭林恢复中的应用[J].干旱区研究,2005,22(4):526-531
    31屈建军,凌裕泉,俎瑞平,等.半隐蔽格状沙障的综合防护效益观测研究[J].中国沙漠,2005,5(25):329-335
    32高宝山,朱首军,高国雄.煤矸石障蔽防风固沙效益研究[J].土壤侵蚀与水土保持学报,1996, 6(5):90-93
    33安万秀,朱会文,王梅睿,等.不同类型麦草沙障在治理流动风沙中的作用对比试验[J].甘肃农业,2007,10:18-19
    34董智,李红丽,汪季,等.土工格栅沙障防风积沙效应风洞模拟实验[J].中国水土保持科学2007, 5(1):35-39
    35王学全,卢琦,杨恒华,等.高寒沙区沙障固沙效益与生态功能观测研究[J].水土保持学报,2009,23(3):38-41
    36赵性存.包兰铁路中卫至甘塘段沙漠路基的修筑[J].流沙治理研究(二),1988,1-7
    37屈建军,张伟民,王远萍,等.敦煌莫高窟岩体风蚀机理及其防护对策的研究[J].中国沙漠, 1994,14(2):19-23
    38张伟民,王涛,薛娴,等.敦煌莫高窟风沙危害综合防护体系探讨[J].中国沙漠,2000,20(4): 409-414
    39于云江,史培军,鲁春霞.青藏铁路客城区段风沙流特点及沙害防治措施的研究[J].自然灾害学报,2001,10(1):30-36
    40左合君,董智,魏江生,等.沙漠地区高速公路防沙体系效益分析[J].水土保持学报,2005,12(6):222-225
    41曹显军,刘玉山,斯钦昭日格.踏郎、黄柳植物再生沙障治理高大流动沙丘技术的探讨[J].内蒙古林业科技(增刊)1999:67-69
    42郭景山,朱玉明,武占河,等.乌吉线沙害治理机械沙障设置的研究[J].内蒙古大学学报(自然科学版),2002,33(3):324-327
    43张亚玲,王翔宇,高函,等沙柳沙障防风效益模拟试验研究[J].水土保持应用技术,2007, (6):3-5
    44胡春元,杨茂,杨存良,等.库布齐沙漠穿沙公路沙害综合防治技术[J].干旱区资源与环境, 2002,16(3):71-76
    45修竹奇,刘明义,刘艳军,张利.植物网格沙障防风固沙试验研究[J].中国水土保持,1995,8: 33-34
    46马全林,王继和,詹科杰,等.塑料方格沙障的固沙原理及其推广应用前景[J].水土保持学报, 2005,19(1):36-39
    47黄富祥,高琼.毛乌素沙地不同防风材料降低风速效应的比较[J].水土保持研究,2001,15(1):27-31
    48刘艳军,刘明义,张力,等.花棒带状沙障防风固沙试验研究[J].中国水土保持,1997,4:23-26
    49王振亭,郑晓静.草方格沙障尺寸分析的简单模型[J].中国沙漠,2002,22(3):229-232
    50李生宇,雷加强.草方格沙障的生态恢复作用—以古尔班通古特沙漠油田公路扰动带为例[J].干旱区资源与环境,2003,20(1):8-11
    51汪万福,王涛,樊锦诗,等.敦煌莫高窟顶尼龙网栅栏防护效应研究[J].中国沙漠,2005, 25(5): 640-649
    52曹子龙,赵廷宁,郑翠玲,等.带状高立式沙障防治草地沙化机理的研究[J].水土保持通报, 2005,8(25):15-19
    53高菲,高永,高强,等.沙柳沙障对土壤理化性质的影响[J].内蒙古农业大学学报,2006,26(7):39-42
    54屈建军,凌裕泉,刘贤万,等.尼龙网栅栏防沙效应研究[J].兰州大学学报,2002,38(2): 171-176
    55屈建军,刘贤万,雷加强,等.尼龙网栅栏防沙效应的风洞模拟研究[J].中国沙漠,2001,21(3): 276-280
    56王银梅,谌文武,韩文峰.新型高分子材料固沙抗风蚀的风洞模拟实验[J].水土保持学报, 2005,19(6):12-14
    57张克存,屈建军,俎瑞平,方海燕.不同结构的尼龙网和塑料网防沙效应研究[J].中国沙漠, 2005,25(4):483-487
    58韩少清,北京至拉萨高速公路乌海段风积沙沙阻病害的治理[J].内蒙古公路与运输,2006,(3):52-53
    59吉兰泰盐化集团公司志编纂领导小组.吉兰泰盐化集团公司志[M].内蒙古:内蒙古人民出版社, 2003:53-76
    60杨明元.地表粗糙度计算方法的分析与研究[J].干旱区资源与环境,1996,10(4):56-57
    61 Reynolds O.On the experimental investigation of the circumstances which determinewhether the motion of water shall be direct or inuous[J].Philosophical Transactions of the Royal Society of London:Series A,1883,174:953-982
    62朱朝云,丁国栋,杨明远.风沙物理学[M].中国林业出版社,1992
    63 Pao Rechardson H F.Fluid Mechanics[M].New York:John Wiley and Sons,1967
    64马世威.风沙流结构的研究[J].中国沙漠,1988,3(1):12-13
    65马世威,高永.风沙流结构三定律[J].内蒙古林业科技,1987,3:15-17
    66刘雪梅,黄元仿.应用激光粒度仪分析土壤机械组成的实验研究[J].土壤通报,2005,36(4): 579-582
    67 Tejinder Brar,Paul France,Panagiotis G Smirniotis.Control of Crystal Size and Distribution of Zeolite A[J].Ind Eng Chem Res.2001,3(40):1133-1139
    68李兰,石玉成.激光粒度分析仪测量黄土粉体粒度的应用研究[J].甘肃科学学报,2009,21(4): 46-50
    69 Ramaswamy V Rao P S,Grain size analysis of sediments from the northern Andaman Sea:eomparison of laser diffraction and sieve-pipette teehniques[J].Joural of Coastal Reasearch,2006,22(4):1000-1009
    70李锦荣.沙袋沙障的防风固沙效应研究[D].中国博士学位论文全文数据库,2009,09
    71张克存,屈建军,俎瑞平,等.戈壁流沙地表风沙流特性研究[J].干旱区资源与环境,2008, 22(10):55-59
    72朱震达.应用实验方法研究风沙地貌形成过程的若干特征[J].治沙研究,1962,4:48-61
    73吴正.风沙地貌学[M].北京:科学出版社,1987
    74张瑞麟.浑善达克沙地黄柳活沙障的设置及防风固沙作用研究[D].呼和浩特:内蒙古农业大学,2007
    75孙显科,郭志中.沙障固沙原理[M].甘肃林业科技,1999,48-54
    76康世勇,夏素华,李志忠,等.鄂尔多斯沙区飞播杨柴固沙技术的研究[J].中国沙漠,1998,3(18):57-63
    77张奎璧,邹受益.治沙原理与技术[M].中国林业出版社,1990,111-122
    78哈斯,董光荣,王贵勇.腾格里沙漠东南缘沙丘表面气流与沙面形态的关系[J].中国沙漠, 1999,(1):1-5
    79周丹丹.生物可降解聚乳酸(PLA)材料在防沙治沙中的应用研究[D].中国博士学位论文全文数据库,2009,09
    80常兆丰,仲生年,韩福贵,等.粘土沙障及麦草沙障合理间距的调查研究[J].中国沙漠,2000, 20(4):455-457
    81凌裕泉.腾格里沙漠沙坡头地区流沙治理研究[M].银州:宁夏人民出版社,1980:49-59
    82屈建军,凌裕泉,俎瑞平,等.半隐蔽格状沙障的综合防护效益观测研究[J].中国沙漠,2005, 25(3):330-335
    83 Yang Xitian,Dong Huiying,Yoshinari Yamadera.On effect of soil hardness on development of seeded and planted seedling root system.Science of Soil and Water Conservation,2005, Vol.3(4):60-64
    84刘贤万.草方格沙障的风洞实验[A].流沙治理研究[C].银川:宁夏人民出版社,1991:326-334
    85马玉明,姚红林,王林和,等.风沙运动学[M].呼和浩特:远方出版社,2004:83-142
    86马世威,马玉明,王林和,等.沙漠学[M].内蒙古人民出版社1998:14-19
    87李占宏,海春兴,内蒙古沙化土地表土粒度特征及其可蚀性颗粒研究[D].2007,6
    88马青江,耿生莲.流沙沙障防护效益研究[J].青海农林科技(试验研究),2002,2:10-11
    89曹波,孙保平,高永,等.高立式沙柳沙障防风效益研究[J].中国水土保持科学,2007,5(2):40-45
    90哈斯,腾格里沙漠东南缘格状沙丘粒度特征与成因探讨[J].地理研究,1998,17(2):178-184
    91赵国平,左合君,徐连秀,等.沙柳沙障防风阻沙效益的研究[J].水土保持学报,2008,22(2): 38-41

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700