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한국환경복원기술학회> 한국환경복원기술학회지 (환경복원기술)> 열쾌적성에 대한 가로수 수직적 구조의 영향 분석

KCI등재

열쾌적성에 대한 가로수 수직적 구조의 영향 분석

The Effects of Street Tree’s Vertical Structures on Thermal Comfort

이수빈 ( Lee¸ Su-been ) , 최혜영 ( Choe¸ Hye-yeong ) , 조현길 ( Jo¸ Hyun-kil ) , 윤영조 ( Yun¸ Young-jo ) , 길승호 ( Kil¸ Sung-ho )
  • : 한국환경복원기술학회
  • : 한국환경복원기술학회지 (환경복원기술) 24권4호
  • : 연속간행물
  • : 2021년 08월
  • : 15-29(15pages)
한국환경복원기술학회지 (환경복원기술)

DOI


목차

Ⅰ. 서 론
Ⅱ. 연구방법
Ⅲ. 결과 및 고찰
Ⅳ. 결 론
References
Appendix

키워드 보기


초록 보기

Urban green spaces offer a variety of benefits to living things and humans. However, existing green spaces have been reduced and fragmented due to urbanization, and there is a limit to creating new large green spaces in densely developed cities. Street trees have fewer restrictions on land use, which can be a measure to secure green areas in cities. In Korea, excessive pruning is being done on some street trees for reasons such as blocking of building signboards, contact with electric wires, and restrictions on sidewalk widths. Therefore, it is necessary to quantitatively understand the relationship between the benefits provided by street trees and their structures to come up with an efficient and systematic planning and management plan for urban street trees. In this study, we quantitatively analyzed the relationship between the thermal comfort improvement by the shades of street trees and the vertical structure, planting environment, and types of street trees. To calculate the thermal comfort felt by human body, we calculated UTCI (Universal Thermal Climate Index) of each street tree. For the vertical structure of street trees, we used Terrestrial LiDAR and the point clouds of street tree’s crown was sliced vertically at 1m intervals. We conducted a multiple regression analysis on the thermal comfort improvement using the variables we obtained from fields. As a result, in the case of a street tree’s vertical structure, the lager the volume of tree’s crown located 3-4m (β=0.298, p<.05) and 6-7m (β=0.568, p<.001) above clear length, the better the cooling effect. In addition, the thermal comfort improvement was assessed to decrease as the DBH increased (β=-0.435, p<.001). In general, the crown diameter and DBH are positively correlated, with a cooling effect occurring as crown diameter increases. In this study, the opposite result was obtained due to the small number of trees measured, so additional research is needed by increasing the number of tree samples. In the case of the planting environment, the effect of improving thermal comfort was higher in the shaded area of trees planted to the south (β=-0.541, p<.001). Since unsystematic management of street trees can deteriorate the function of them, quantitative evaluations of the vertical structure of street trees are required, which can provide specific measures for planning and management of urban street trees with thermal comfort effect.

UCI(KEPA)

I410-ECN-0102-2022-500-000776475

간행물정보

  • : 공학분야  > 환경공학
  • : KCI등재
  • :
  • : 격월
  • : 1229-3032
  • : 2733-5011
  • : 학술지
  • : 연속간행물
  • : 1998-2022
  • : 1306


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1한국 국립공원 산림생태계의 수목 탄소저장량 평가

저자 : 이상진 ( Lee Sang-jin ) , 박홍철 ( Park Hong-chul ) , 박관수 ( Park Gwan-soo ) , 김현숙 ( Kim Hyoun-sook ) , 이창민 ( Lee Chang-min ) , 김진원 ( Kim Jin-won ) , 심규원 ( Sim Gyu-won ) , 최승운 ( Choi Seung-woon )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 25권 3호 발행 연도 : 2022 페이지 : pp. 1-16 (16 pages)

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The purpose of this study is to quantitatively evaluate the amount of carbon storage for trees in forest ecosystem to support the foundation for carbon neutrality implementation in Korea National Park. It targeted 22 national parks designated and managed as national parks in Korea, and conducted research on forest trees in the terrestrial ecosystem among various natural and ecological carbon sink. The survey and analysis method followed the IPCC guidelines and the National Greenhouse Gas Inventory in Korea. The amount of tree carbon storage in the forest ecosystem of Korea National Park was confirmed to be about 218,505 thousand CO2-ton and the amount of carbon storage per unit area was 570.8 CO2-ton per hectare. Compared to 299.7 CO2-ton per hectare, the average carbon storage per unit area of the entire Korean forest, it was found that about twice as much carbon was stored when assuming the same area. In other words, it means that the tree carbon storage function of the national park is about twice as high as that of the average tree carbon storage function of entire Korean forest. It has great implications in Korea National Park not only provides biodiversity promotion and exploration services as a national protected area, but also performs excellent functions as a carbon sink.

KCI등재

2산림관리에 따른 기초지자체 규모의 탄소중립 가능성 평가

저자 : 이도형 ( Lee Do-hyung ) , 최혜영 ( Choe Hye-yeong ) , 김주영 ( Kim Joo-young ) , 정유경 ( Cheong Yu-kyong ) , 길승호 ( Kil Sung-ho )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 25권 3호 발행 연도 : 2022 페이지 : pp. 17-28 (12 pages)

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We evaluated the effect of CO2 offsetting by estimating changes in carbon uptake under various forest management scenarios and proposed forest management strategies to achieve carbon neutrality. Paju and Goseong, which have relatively large forest areas but different industrial characteristics, were selected for the study sites. The current state of forest distribution was analyzed using forest type maps and aerial photographs, and the amount of carbon uptake was calculated using the equation presented by the IPCC Guidelines for National Greenhouse Gas Inventories and the national emission/absorption coefficients from the Korea National Greenhouse Gas Inventory Report. As of 2015, the forest carbon absorption in Paju and Goseong was 49,931 t/yr and 94,225 t/yr, respectively, and the annual carbon absorption per unit area was 2.28 t/ha/yr and 2.16 t/ha/yr. Under the forest management scenarios, the annual maximum carbon absorption per unit area is estimated to increase to 5.68 t/ha/yr in Paju and 4.22 t/ha/yr in Goseong, and this absorption would increase further if urban forests were additionally created. Even if the current forests of Paju and Goseong are maintained as they are, emissions from electricity use can be sufficiently offset. However, by applying appropriate forest management strategies, emissions from sectors other than electricity use could be offset. This study can be applied to the establishment of carbon absorption strategies in the forest sector to achieve carbon neutrality.

KCI등재

3식생 베타 다양성의 공간화 기법 연구 - Generalized Dissimilarity Model의 국내적용 및 활용 -

저자 : 최유영 ( Choi Yu-young )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 25권 3호 발행 연도 : 2022 페이지 : pp. 29-45 (17 pages)

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For biodiversity conservation, the importance of beta-diversity which is changes in the composition of species according to environmental changes has become emphasized. However, given the systematic investigation of species distribution and the accumulation of large amounts of data in the Republic of Korea(ROK), research on the spatialization of beta-diversity using them is insufficient. Accordingly, this research investigated the applicability of the Generalized Dissimilarity Modeling(GDM) to ROK, which can predict and map the similarity of compositional turnover (beta-diversity) based on environmental variables. A brief overview of the statistical description on using GDM was presented, and a model was fitted using the flora distribution data(410,621points) from the National Ecosystem Survey and various environmental spatial data including climate, soil, topography, and land cover. Procedures and appropriated spatial units required to improve the explanatory power of the model were presented. As a result, it was found that geographical distance, temperature annual range, summer temperature, winter precipitation, and soil factors affect the dissimilarity of the vegetation community composition. In addition, as a result of predicting the similarity of vegetation composition across the nation, and classifying them into 20 and 100 zones, the similarity was high mainly in the central inland area, and tends to decrease toward the mountainous areas, southern coastal regions, and island including Jeju island, which means the composition of the vegetation community is unique and beta diversity is high. In addition, it was identified that the number of common species between zones decreased as the geographic distance between zones increased. It classified the spatial distribution of plant community composition in a quantitative and objective way, but additional research and verification are needed for practical application. It is expected that research on community-level biodiversity modeling in the ROK will be conducted more actively based on this study.

KCI등재

4자연기반해법 적용에 따른 강원도 양구군 해안면의 비점오염 저감 효과 추정

저자 : 이지우 ( Lee Ji-woo ) , 박찬 ( Park Chan )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 25권 3호 발행 연도 : 2022 페이지 : pp. 47-62 (16 pages)

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The Ministry of Environment has been working to reduce the impact on biodiversity, ecosystems, and social costs caused by soil runoff from highland Agricultural fields by setting up non-point pollution source management districts. To reduce soil loss, runoff path reduction technology has been applied, but it has been less cost effective. In addition, non-point pollution sources cause environmental conflicts in downstream areas, and recently highland Agricultural fields are becoming vulnerable to climate change. The Ministry of Environment is promoting the optimal management plan in earnest to convert arable land into forests and grasslands, but since non-point pollution is not a simple environmental problem, it is necessary to approach it from the aspect of NbS(Nature-Based Solution). In this study, a scenario for applying the nature-based solution was established for three subwatersheds west of Haean-myeon, Yanggu-gun, Gangwon-do. The soil loss distribution was spatialized through GeoWEPP and the amount of soil loss was compared for the non-point pollution reduction effect of mixed forests and grasslands. When cultivated land with a slope of 20% or more and ginseng fields were restored to perennial grasslands and mixed forests, non-point pollution reduction effects of about 32% and 29.000 tons compared to the current land use were shown. Also, it was confirmed that mixed forest rather than perennial grassland is an effective nature-based solution to reduce non-point pollution.

KCI등재

5지반구조에 따른 수목 생육상태 비교 연구 - 인천광역시 만석비치타운 단지를 대상으로 -

저자 : 조성호 ( Cho Sung-ho ) , 한봉호 ( Han Bong-ho ) , 박석철 ( Park Seok-cheol )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 25권 3호 발행 연도 : 2022 페이지 : pp. 63-82 (20 pages)

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The purpose of this study is to compare growth condition of landscape woody plants growing on the different ground structures in apartment complex. I chose Manseok Beach Town Complex 2, in Manseok-dong, Seo-gu, Incheon which has both natural and artificial ground as a subject site. Analysis of three phases of soil showed that artificial ground had average liquid phase of 30.89%, artificial ground mounding 33.88% and natural ground 24.40%. It means that artificial ground has higher water content than natural ground despite having same earthiness. It is believed that artificial ground is not as well drained as natural ground even though it is connected to the natural ground and has a deep soil depth because of mounding. Comparative study between woody plants on natural ground and those on artificial ground demonstrated that trees on natural ground grew 40.4% compared to those on artificial ground(0.875㎜ more) in terms of diameter growth. Average diameter growth of trees on natural ground was 3.040㎜ against 2.165㎜ for those on artificial ground. All 19 tree species which were measured for root diameter growth showed similar or higher growth on natural ground than on artificial ground. When it comes to growth of height, arborvitae showed highest growth on natural ground, followed by Thuja occidentalis, Pinus strobus, Magnolia denudata, Diospyros kaki and Aesculus turbinata. I measured branch growth and rate of leaf adherence of Pinus strobus. Average annual rate of branch growth of woody plants on natural ground was twice as high as those on artificial ground. I could conclude that ground structure influences branch growth of Pinus strobus. Statistics analysis of tree damage demonstrated significant result, meaning that there is a difference in the average damage rate depending on structure of ground. In order to validate growth difference by planting ground, I conducted T-Test of growth of diameter, root diameter, branch and height on woody plants growing on natural and artificial ground. As a result, it is believed that there is a difference in the growth of trees depending on the ground structure. Putting all these results together demonstrates that woody plants on natural ground generally grow better than those on artificial ground, which means ground structure does have an influence on the environment of growth of trees.

KCI등재

6운문산반딧불이(Luciola unmunsana)의 서식지 특성과 먹이원에 관한 연구-전주시 산성천을 대상으로-

저자 : 임현정 ( Lim Hyun-jeong ) , 김종만 ( Kim Jong-man ) , 정문선 ( Jeong Moon-sun )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 25권 3호 발행 연도 : 2022 페이지 : pp. 83-95 (13 pages)

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This study aims to present primary data for habitat restoration and artificial breeding conditions of L. unmunsana by identifying the habitat conditions and the larvae's food sources. In order to investigate the habitat characteristics of the adult L. unmunsana and land snails, which are the primary food sources for the larvae, field surveys were conducted on a total of 10 habitats in south-central parts of Korea including Sanseongcheon, Jeonju. The results revealed that the L. unmunsana habitat in the Sanseongcheon area had a broadleaf forest with a multi-layered vegetation structure, adjacent water features, and the north/northeast/northwest slopes with little effect of artificial lighting. The adult L. unmunsana in the Sanseongcheon area appeared from the end of May to the end of June, and was especially intensively observed around the middle of June. The most active time was from 23:30 to 00:30 with a temperature range of 19~22℃ and higher than 80% humidity. The peak count of the observed adults L. unmunsana was a total of 774 on June 11, 2021. In the case of land snails, 11 families and 23 species were observed in 10 habitats of L. unmunsana, and Euphaedusa fusaniana was the most extensive and the most observed in the five survey areas. The land snails of L. unmunsana habitats are mostly found under the organic layers of leaves and a fallen tree branch in broadleaf forests, where a thick organic material layer buffers temperature changes and provides high humidity for various snails. These habitat conditions are suitable for the larva of L. unmunsana and land snails to inhabit, feed, hide and hibernate.

KCI등재

7산지습지의 생태적 복원을 위한 수문학적 기능 평가에 관한 연구

저자 : 정유경 ( Jung Yu-gyeong ) , 강원석 ( Kang Won-seok ) , 이헌호 ( Lee Heon-ho )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 25권 3호 발행 연도 : 2022 페이지 : pp. 97-111 (15 pages)

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This study was conducted as restoration work to improve the discharge in forested wetlands where there is a concern of damage and observed changes in the discharge and groundwater level. The monthly changes showed that during the wet season, the amount of discharge decreased after restoration and GWL increased. It showed that during the dry season, the GWL and discharge increased. The increased discharge after restoration seems to be the difference in the number of days with no rainfall duration. The change in discharge for each unit of rainfall showed a tendency to increase the baseflow and decrease the direct discharge after restoration. The recharge ratio of GWL showed a decreasing tendency as rainfall was higher. After restoration, it showed a higher tendency under rainfall with less than 20mm. It has been confirmed that the restoration implemented by the study caused such an effect as the increased baseflow and increased GWL. It would be an effective restoration method to maintain water resources in forested wetlands. In the initial rainfall, it demonstrated a certain level of effect, but it is necessary to develop a restoration technology that can decrease the amount of water discharged after the end of rainfall or during the period of no rainfall to protect and maintain the forested wetlands. Streamflow should be identified by each type of terrain of wetlands and a proper restoration countermeasure should be devised for the site where the discharge frequently occurs.

1
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1불모지 내 활용 가능한 자생식물의 발아특성 연구

저자 : 김동학 ( Kim¸ Dong-hak ) , 김상준 ( Kim¸ Sang-jun ) , 유승봉 ( Yu¸ Seung-bong ) , 박기쁨 ( Bak¸ Gippeum )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 24권 4호 발행 연도 : 2021 페이지 : pp. 1-14 (14 pages)

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This study suggested suitable soil textures that is proper to propagate native plants to manage and restore barren land in DMZ. Germination tests were conducted for 16 native herbaceous plants growing in the DMZ border area in accordance with FAO-BI (Biodiversity International) standards, and the germination rate and T50 in vitro were investigated. In order to examine the germination characteristics according to the soil textures, we used gravel, bed and mixed soil and investigated the germination characteristics under ordinary room temperature conditions in the greenhouse. As a result, it was observed that the germination rate in the greenhouse was significantly decreased compared to the germination rate in vitro of the species advertised due to soil textures. T50 between the in vitro and each soil texture showed significant differences whereas T50 between soil textures alone did not in all species advertised. The germination rate in vitro of Aster koraiensis, Dendranthema zawadskii var. latilobum, Hosta clausa , and Hosta minor there was no significant difference compared to ordinary room temperature conditions. In addition, as the germination rate is demonstrated more than 70%, which is relatively higher than other species advertised, it is considered to have strong environmentally adaptable. On the other hand, considering that the 6 species of Leontopodium coreanum, Plantago major , Potentilla chinensis, Sedum kamtschaticum, Sedum latiovalifolium, and Veronica kiusiana demonstrated less than 50% of germination rate in vitro, it is expected to be difficult to propagate without pre-treatment. In order to use these 6 species as restoration material plants, it needs to be considered to pre-treat to improve germination rate, or to enhance the vitality of seeds by improving the seed gathering period and storage method.

KCI등재

2열쾌적성에 대한 가로수 수직적 구조의 영향 분석

저자 : 이수빈 ( Lee¸ Su-been ) , 최혜영 ( Choe¸ Hye-yeong ) , 조현길 ( Jo¸ Hyun-kil ) , 윤영조 ( Yun¸ Young-jo ) , 길승호 ( Kil¸ Sung-ho )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 24권 4호 발행 연도 : 2021 페이지 : pp. 15-29 (15 pages)

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Urban green spaces offer a variety of benefits to living things and humans. However, existing green spaces have been reduced and fragmented due to urbanization, and there is a limit to creating new large green spaces in densely developed cities. Street trees have fewer restrictions on land use, which can be a measure to secure green areas in cities. In Korea, excessive pruning is being done on some street trees for reasons such as blocking of building signboards, contact with electric wires, and restrictions on sidewalk widths. Therefore, it is necessary to quantitatively understand the relationship between the benefits provided by street trees and their structures to come up with an efficient and systematic planning and management plan for urban street trees. In this study, we quantitatively analyzed the relationship between the thermal comfort improvement by the shades of street trees and the vertical structure, planting environment, and types of street trees. To calculate the thermal comfort felt by human body, we calculated UTCI (Universal Thermal Climate Index) of each street tree. For the vertical structure of street trees, we used Terrestrial LiDAR and the point clouds of street tree's crown was sliced vertically at 1m intervals. We conducted a multiple regression analysis on the thermal comfort improvement using the variables we obtained from fields. As a result, in the case of a street tree's vertical structure, the lager the volume of tree's crown located 3-4m (β=0.298, p<.05) and 6-7m (β=0.568, p<.001) above clear length, the better the cooling effect. In addition, the thermal comfort improvement was assessed to decrease as the DBH increased (β=-0.435, p<.001). In general, the crown diameter and DBH are positively correlated, with a cooling effect occurring as crown diameter increases. In this study, the opposite result was obtained due to the small number of trees measured, so additional research is needed by increasing the number of tree samples. In the case of the planting environment, the effect of improving thermal comfort was higher in the shaded area of trees planted to the south (β=-0.541, p<.001). Since unsystematic management of street trees can deteriorate the function of them, quantitative evaluations of the vertical structure of street trees are required, which can provide specific measures for planning and management of urban street trees with thermal comfort effect.

KCI등재

3도시계획 수립에 있어 도시생태현황지도 활용방안 연구 - 용도지역과 시가화예정용지를 중심으로 -

저자 : 권전오 ( Kwon¸ J Eon-o ) , 박석철 ( Park¸ Seok-cheol ) , 백승아 ( Baek¸ Seung-a )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 24권 4호 발행 연도 : 2021 페이지 : pp. 31-46 (16 pages)

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In South Korea, there is a growing domestic need for a biotope map which contains ecological and environmental geographic information of a city. After the production of a Urban Ecological Maps(biotope map) by the Seoul metropolitan government in 2000, Natural Environment Conservation Act was revised in 2017 to make it mandatory for a local government to draw up its own urban ecological map. The aim of the present study was to find out ways to utilize an urban ecological map as a mean of communication between natural environment planning and urban planning sectors in a preliminary stage before introducing a big framework of 'environmental and ecological planning.' The northern area of Incheon metropolitan city was selected as the target area for this study. The major research content includes a comparative analysis of special-purpose zones, urban planning zones, restricted development zones, and conservation forests with focus on biotope types and Grades 1 of 'Biotope Type Assessment.' Farmland biotopes and forest biotopes within an area designated as an urban zone (residential, commercial and industrial zones) need to be redesignated as a zone which can conserve them. Especially considering a high possibility of damage to a large scale of natural green areas, these areas need to be readjusted immediately. If the entire area designated as an urban planning zone is to be developed, it is likely to cause serious damage to natural biotopes in the area (56.2%), including farmland biotope (30.4%), forest biotope (15.0%) and grassland biotope (10.8%), and thus, readjustment is needed. In case of a conservation forest, as it can possibly be damaged by the designation of special-purpose zones, it is necessary to match the designation of conservation forests or a special-purpose zones with their biotope types. In conclusion, we present a variety of thematic maps for utilization of an urban ecological map and propose a phase-specific environmental and ecological plan. Phase 1 is the establishment of a urban plan in consideration of ecological status; Phase 2 is the independent establishment of an environmental and ecological plan by an environment department; Phase 3 is an integrated management of ecological planning system and urban planning system.

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4카노 모델을 이용한 고창 자연마당의 서비스 품질 속성 분류

저자 : 홍진표 ( Hong¸ Jin-pyo ) , 심윤진 ( Shim¸ Yun-jin ) , 강필구 ( Kang¸ Pil-goo ) , 최영자 ( Choi¸ Young-ja ) , 어양준 ( Eo¸ Yang-jun ) , 서경원 ( Seo¸ Kyung-won )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 24권 4호 발행 연도 : 2021 페이지 : pp. 47-60 (14 pages)

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This study was conducted to classify quality attributes for quality elements of public service targeting Gochang Jayeonmadang and analyze their impact on resident satisfaction and dissatisfaction by each service quality element by using the Kano model and the customer satisfaction coefficient and dissatisfaction coefficient of Timko(1993). As a result of the study, all 20 quality elements of public service were classified as one-dimensional attributes. Since the Jayeonmadang project restores the damaged natural environment and restores the ecosystem, it is judged that satisfaction is proportionately satisfied as the natural environment has been restored and the ecosystem has been restored. According to Timko (1993)'s analysis of customer satisfaction coefficient, it is believed that the most effective way to improve residents' satisfaction is to carefully establish and implement maintenance plans and to create a good environment to ensure that plants have settled.

KCI등재

5가로녹지 유형이 보행공간의 초미세먼지에 미치는 영향 분석 - 미기후 시뮬레이션을 활용하여 -

저자 : 김신우 ( Kim¸ Shin-woo ) , 이동근 ( Lee¸ Dong-kun ) , 배채영 ( Bae¸ Chae-young )

발행기관 : 한국환경복원기술학회 간행물 : 한국환경복원기술학회지 (환경복원기술) 24권 4호 발행 연도 : 2021 페이지 : pp. 61-75 (15 pages)

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Roadside greenery in the city is not only a means of reducing fine dust, but also an indispensable element of the city in various aspects such as improvement of urban thermal environment, noise reduction, ecosystem connectivity, and aesthetics. However, in studies dealing with the effect of reducing fine dust through trees in existing urban spaces, microscopic aspects such as the adsorption effect of plants were dealt with, structural changes such as the width of urban buildings and streets, and the presence or absence of trees, Impact studies that reflect the actual form of In this study, the effect of greenery composition applicable to urban space on PM2.5 was simulated through the microclimate epidemiologic model ENVI-met, and field measurements were performed in parallel to verify the results. In addition, by analyzing the results of fine dust background concentration, wind speed, and leaf area index, the sensitivity to major influencing variables was tested. As a result of the study, it was confirmed that the fine dust reduction effect was the highest in the case with a high planting amount, and the reduction effect was the greatest at a low background concentration. Based on this, the cost of planting street green areas and the effect of reducing PM2.5 were compared. The results of this study can contribute as a basis for considering the effect of pedestrian space on air quality when planning and designing street green spaces.

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