Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
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Study on noise attenuation according to hedge species

생울타리의 종에 따른 소음감소효과에 관한 연구

  • Oh, Kwang-Il (Dept. of Landscape Architecture, Graduate School of Industry Pusan National Univ.) ;
  • Kim, Dong-Pil (Dept. of Landscape Architecture, Pusan National Univ.) ;
  • Choi, Song-Hyun (Dept. of Landscape Architecture, Pusan National Univ.)
  • 오광일 (부산대학교 조경학과 산업대학원) ;
  • 김동필 (부산대학교 조경학과) ;
  • 최송현 (부산대학교 조경학과)
  • Published : 2009.06.30
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Abstract

The purpose of this study is to examine noise attenuation according to hedge species and thickness of their leaves. The order of their decrease effects was as follows from the highest to the lowest: Osmanthus asiaticus, Camellia japonica, Pyacantha angustifolia, Photinia glabra, Pittosporum tobira, Nandina domestica, Euonymus japonica, Chaenomeles lagenaria, Aucuba japonica for. Variegatar. The result of the experiment for noise atteunation has shown that woody plant with thicker leaves were better than those with thinner leaves. Multiple Regression Analysis showed Y = 7.653 + 26.530 X ($R^2$= 0.385). The order for the subjects according to their effects on noise attenuation is as follows from the highest to the lowest: Camellia japonica, Nandina domestica, Pittosporum tobira, Taxus cuspidata, Chaenomeles lagenaria. The noise attenuation level of Camellia japonica was the highest (14.70[dB]), while that of Chaenomeles lagenaria was the lowest (6.80[dB]), and its difference between them was 7.9[dB].

본 연구는 부산시 도로변에 식재되어 있는 생울타리의 종과 잎의 두께에 따른 소음 감소효과를 분석하고자 하였다. 잎의 두께만으로 소음감소 효과를 분석한 결과 은목서, 동백나무, 피라칸사, 홍가시, 돈나무, 남천, 사철나무, 명자나무, 금식나무 순이었다. 수목별 잎의 소음감소효과 분석 결과 대부분의 수종은 잎의 두께가 두꺼운 잎이 얇은 잎보다 소음 감소효과가 더 있는 것으로 조사되었으며, 선형회귀 분석결과 회귀식은 설명력 $R^2$이 0.385로 다음과 같은 회귀식(Y = 7.653 + 26.530 X)을 얻었다. 생울타리의 소음 감소효과를 분석한 결과 동백나무, 남천, 돈나무, 주목, 명자나무 순으로 조사되었고, 가장 소음감소 효과가 높은 수목은 14.70[d8]을 보인 동백나무였으며, 가장 소음 감소치가 낮은 수목은 6.80[dB]을 보인 명자나무로 7.9[dB]의 차이를 보였다.

Keywords

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