西北林学院学报2019,34(4): 262-267 Journal of Northwest Forestry Universitydoi:10. 3969/j. issn. 1001-7461. 2019. 04. 40基于净化空气功能的珲乌高速公路沿线林带设计研究赵彦博】,孙明阳12(1.吉林建筑大学艺术设计学院,吉林长春130118&.中国科学院东北地理与农业生态研究所,吉林长春130102)摘要:公路绿化林带具有净化空气的作用%当下垫面为植被时,汽车尾气的主要成分(CO、NOx
和PM】。)将不可逆转地被植被吸滞,即干沉降现象%根据这一原理对珲乌高速公路沿线林带进行 设计研究%对公路的交通量及空气污染状况进行调查,设定林带净化效应设计目标,确定林带栽植
形式,计算林带的主要参数,绘制林带的标准断面图%结果表明,基于净化空气功能的珲乌高速公 路北侧林带宽度应为34 m,所需阔叶乔木、针叶乔木、灌木总计4 401株;南侧林带宽度应为15 m, 所需阔叶乔木、针叶乔木、灌木总计2 660株,该设计方法可为以净化空气为目的的道路绿化设计
提供参考%关键词:高速公路;绿化林带;设计;净化空气中图分类号:S731.8
文献标志码:A 文章编号:1001-7461(2019)04-0262-06DesignandResearchofGreeningForestBeltalongthe Hunchun-UlanhaoteExpressway
Basedon AirPurificationFunctionZHAO Yan-bo1 ,SUN Ming-yang,(1. College of Design ,Hin Jianzhu University , Changchun 130118 ,Hin, China ;2. Northeast Institute of Geography and Agricultural Ecology ^Chinese Academy of Sciences , Changchun 130102 , Hin, China)Abstract: Highway greenbelts have the function of air purification. When the underlying surface is vegeta-
tion,the main components of automobile exhaust (CO,NOx and PM10 ) will be irreversibly stagnated by
vegetationthatisthesocaledphenomenaofdrydeposition.Accordingtothisprinciplethegreeningfor- estbeltalongthe Hunchun-UlanhotExpressway wasdesignedandstudied.Throughtheinvestigationof thetraficvolumeandairpolutionstatusofthehighwaythedesigngoalofthegreeningforestbeltpurifi-
cation ef ect was set to determine the planting form of the green forest belt and to calculate the mainpa-
rametersoftheforestbelt.Finalyastandardsectionoftheforestbeltwasdrawn.Theresultsshowedthat thewidthofthegreenbeltalongthenorthsideoftheHunchun-UlanhaoteExpresswaybasedonthefunc-
tionofpurifyingairshouldbe34m andthetotalnumberofbroad-leavedtreesconiferoustreesandshrubs required was 4 401&the width of the greening forest belt on the south side should be 15 m atotalof2660 broad-leavedtreesconiferoustreesandshrubswererequired.Thisdesign methodcouldprovidereference
orroadgreeningdesignforthepurposeofpurifyingair.Keywords:expressway&greenbelts&design&airpurification高速公路的建设及运营对沿线的生态环境造成 了巨大影响%由于汽车尾气、路面径流污水、重金属 等有害物质的传播,使沿线生境逐年恶化,生物种群 数量锐减,严重能影响沿线生态系统的稳定[1]0比如,植物叶片叶孔在吸收了尾气中的NOX之后,容 易造成叶脉坏死,抑制植物光合作用,从而抑制植物
的生长发育⑵;又比如,PM】0通常携带有毒或致癌
化合物,不仅对道路附近的人群健康造成威胁,而且
收稿日期:2018-09-10 修回日期:2019-03-03基金项目:吉林省教育厅\十三五”科学技术项目\(珲春一长春段)沿线生态景观模式研究” (JJKH20170252KJ)% 作者简介:赵彦博,男,博士,讲师,研究方向:风景园林规划设计与理论。E-mail :zhaoyb@ 18& com
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