한국조경학회지 (Journal of the Korean Institute of Landscape Architecture)

  • 제49권5호
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  • Pages.1-11
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  • 2021
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  • 1225-1755(pISSN)
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  • 2288-9566(eISSN)
한국조경학회 (The Korean Institute of Landscape Architecture)
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도시표면의 물리적 요소가 대기질에 미치는 영향 - 중국 창춘을 사례로 -

Effects of Physical Factors on Urban Surfaces on Air Quality - Chang Chun, China as an Example -

  • 진촨핑 (강릉원주대학교 대학원 환경조경학과) ;
  • 김태경 (강릉원주대학교 환경조경학과)
  • Jin, Quanping (Dept. of Environmental Landscape, Graduate School of Gangneung-Wonju National University) ;
  • Kim, Tae Kyung (Dept. of Environmental Landscape, Gangneung-Wonju National University)
  • 투고 : 2021.08.10
  • 심사 : 2021.08.30
  • 발행 : 2021.11.05
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초록

본 연구는 도시의 표면을 구성하는 물리적 공간요소 가운데 대기질에 영향을 미치는 주요 요인을 찾아 환경개선을 위한 단서를 제공하는 것이 목적이다. 중국의 산업도시인 창춘의 9개 측정소에서 2018년 1월 1일부터 2019년 12월 31일까지의 AQI 농도 자료를 수집하였다. 측정소를 중심으로 반경 300m 내의 지역을 구성하는 도시의 물리적 시설에 대한 유형과 분포 특징을 분석하였다. 측정소를 3개 그룹으로 나눠 계절별로 미세먼지 농도 차이를 분석한 결과, 봄과 겨울에 AQI 농도가 가장 높고, 다음으로 여름, 가장 낮은 계절은 가을이었다. 봄의 AQI 농도가 가장 높은 곳은 F(93.00)·D(91.10)·I(89.20), 여름 농도가 가장 높은 곳은 D(69.05)·A(67.89)·B(84.44), 가을 농도가 가장 높은 곳은 I(62.80)·G(60.84)·D(53.27), 겨울은 I(95.82)·H(95.60)·F(94.04)이었다. SPSS를 이용한 계열분석을 통해 직경 600m인 공간내의 대기지수는 임야, 초지, 나지, 수공간, 수고, 건축면적(평균치), 건물 체적(평균치)과 상관성이 있는 것으로 나타났다. 오염이 심한 봄과 겨울의 수치자료를 통계분석한 결과, 임야면적(43,637m2, 15.44%)과 수면적(18,736m2, 6.63%)이 큰 비율을 차지하고, 건축평균면적(448m2, 0.17%)과 건축평균부피(10,201m3)가 가장 적은 그룹 1(A, B, C)구역의 오염 농도가 가장 낮았다. 반대로 그룹 2(D, E, F)구역은 AQI 농도가 가장 높은 구역으로 임야(1,917m2, 0.68%)와 수면적(0m2, 0%)이 적거나 없고 건축평균면적(1,056m2, 0.37%)과 건축평균부피(17,470m3)가 가장 높았다. AQI 농도가 가장 높은 지역의 특징은 가로수의 수고가 12m 이상인 경우가 다수 확인되었고, 나지면적의 비율이 적을수록 오염도가 낮은 것으로 나타났다. 동일한 방법으로 창춘의 9개 공간의 특징을 분석한 결과, 도시 공간의 물리적 특성에 따른 대기질은 위의 요인들과 밀접한 관련이 있음을 알 수 있었다.

The purpose of this study is to find out the main factors affecting air quality in urban physical space factors, and provide clues for environmental improvement. Nine monitoring stations in China's industrial city, Changchun, collected AQI concentration data from January 1, 2018 to December 31, 2019. This paper analyzes the types and distribution characteristics of urban physical facilities within a radius of 300m with the detection station as the center. The monitoring station is divided into three groups, and the difference in floating dust concentration among the three groups in different seasons is analyzed. The results show that AQI concentration is the highest in spring and winter, followed by summer, and the lowest in autumn. The place with the highest concentrations of AQI in spring are F (93.00), D (91.10), I (89.20), in summer are D (69.05), A (67.89), B (84.44), in autumn are I (62.80), G (60.84), D (53.27), D (53.27), in winter are I (95.82), H (95.60), f (94.04). Through SPSS analysis, it shows that the air index in a space with a diameter of 600 meters is related to forest land, grassland, bare land, water space, tree height, building area (average value), and building volume (average value). According to the statistical analysis results of spring and winter with the most serious pollution, forest land area (43,637m2, 15.44%) and water surface area (18,736m2, 6.63%) accounted for the majority, and group 1 (A, B, C) with the least average building area (448m2, 0.17%) and average building volume (10,201m2) had the lowest pollution concentration. On the contrary, group 2 (D, E, F) had the highest AQI concentration, with less or no woodland (1,917m2, 0.68%) and water surface area (0m2, 0%), and the highest average building area (1,056m2, 0.37%) and average building volume (17,470m3). It is confirmed that the characteristics of the area with the highest AQI concentration are that the more the site ratio of tree height above 12m, the smaller the site ratio of bare land, and the lower the pollution degree. On the contrary, the larger the area of bare land, the higher the pollution degree. By analyzing the characteristics of nine monitoring stations in Changchun, it can be seen that the air quality brought by the physical characteristics of urban space is closely related to the above factors.

키워드

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