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厦门市交通主干道绿化带结构及其减噪效果研究
引用本文:张万旗,刘俊伟,胡宏友,肖亮嫦,李雄.厦门市交通主干道绿化带结构及其减噪效果研究[J].亚热带植物科学,2009,38(4):74-78.
作者姓名:张万旗  刘俊伟  胡宏友  肖亮嫦  李雄
作者单位:1. 厦门市南湖公园管理处,福建,厦门,361004
2. 厦门大学,海洋与环境学院,福建,厦门,361005
摘    要:通过对厦门市主干道绿化带种类结构调查以及噪声测定等,分析了厦门市主干道绿化带结构及其减噪效果。结果表明,厦门市主干道绿化带可分为4种结构:单一乔木型、乔木+疏灌木腺篱型、乔木+密灌木型以及乔木+小乔木+灌木脲篱型,带宽多在4~10m。厦门市主干道绿化带总体减噪能力为0.93~12.96dB,绿化带对交通噪声超标治理率达70%。绿化带减噪能力y(dB)与带宽x(m)呈显著的线性关系:y=1.2251x+0.2416(R^2=0.8603);绿化带的附加衰减与总衰减亦呈显著正相关:y=0.4535x+0.2698(R^2=0.9242),噪声的附加衰减主要受绿化带结构的影响,上述四种结构对噪声附加衰减平均值分别达0.93、2.25、4.43和6.72dB。绿化带的宽度和结构均是影响其减噪效果的关键因素。

关 键 词:噪声  公路绿化带  附加衰减

Effect of the Construction of Green Belts on the Attenuation of Traffic Noise along the Urban Trunk Roads in Xiamen City
ZHANG Wan-qi,LIU Jun-wei,HU Hong-you,XIAO Liang-chang,LI Xiong.Effect of the Construction of Green Belts on the Attenuation of Traffic Noise along the Urban Trunk Roads in Xiamen City[J].Subtropical Plant Science,2009,38(4):74-78.
Authors:ZHANG Wan-qi  LIU Jun-wei  HU Hong-you  XIAO Liang-chang  LI Xiong
Abstract:Through site investigation and noise monitoring, the effects of the construction of green belts along the urban trunk roads in Xiamen Island on the attenuation of noise has been studied.The results show that the construction of green belts along the trunk road can be divided into four kinds of types as bellows: type I, single arbor;type II, arbor + shrub;type III, arbor + sub-arbor and type Ⅳ, arbor + sub-arbor + shrub.Their width varied among 4~10 m.The noise-reducing ability (y, dB) of the green belts varied from 0.93 to 12.96 dB with various belt widths (x, m), and can be expressed as following: y=1.2251x+0.2416.Meanwhile the additive attenuation of traffic noise (y, dB) presents a closely linear relationship with the total noise-reducing ability (x, dB) as following: y=0.4535x+0.2698 (R~2=0.9242).Meanwhile, the additive attenuation of traffic noise is main affected by the constructions of green belts, which reached 0.93, 2.25, 4.43 and 6.72 dB, respectively for the above four kinds of construction types.It shows that the width and construction of green belts play the same important role to reduce the traffic noise.
Keywords:traffic noise  road green belts  additive noise attenuation
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