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KMID : 1024520150240050647
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Journal of the Environmental Sciences
2015 Volume.24 No. 5 p.647 ~ p.655
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Evaluation of Noise Decreasing Effects by Structures in Roadside Buffer Green
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Kim Jeong-Ho
Oh Deuk-Kyun
Yoon Yong-Han
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Abstract
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In this study, to targeting Songpa of Seoul, were analyzed the effect on the noise mitigation in roadside buffer green spaces. Noise of Songpa Street buffer green space was determined to be higher during the day than at night. In addition, it was most of 60 db or more. However, the noise reduction function of the buffer green was not greatly affected by time. In the case of noise reduction rate, during the day time it was the order of the mounding type (18.14%)> plain type (5.73%)> slope type (4.08%), And, in the case of night time, it was the order of the mounding type (11.29%)> slope type (10.22%)> plain type (4.42%). Noise reduction rate, all of the daytime, was the highest in the mounding type. As a result of the factors on the amount of reduction of noise, More physical structure is mounding type, green structure is the stratification of green space, and the number of individuals is large, the higher the tree planting density, it is determined that the noise reduction effect is high. Also, factors affecting the noise reduction effect of the day and night were different.
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KEYWORD
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Healthy city, Correlation analysis, Regression analysis, Ratio of green
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