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  • Title/Summary/Keyword: 생태도시계획

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A Study on Drainage Facilities in Mountainous Urban Neighborhood Parks - The Cases of Baebongsan Park and Ogeum Park in Seoul - (산지형 도시근린공원의 배수시설 특성 - 서울시 배봉산공원과 오금공원을 사례로 -)

  • Lee, Sang-Suk
    • Journal of the Korean Institute of Landscape Architecture
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    • v.38 no.5
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    • pp.80-92
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    • 2010
  • The purpose of this study was to analyze drainage facilities in mountainous urban neigbborhood parks--Baebongsan Park and Ogeum Park--in Seoul. Based on an analysis of existing drainage facilities, the volume of storm water runoff (VSW), the runoff rate of open channels(ROC), and the detention capacity of open charmels(DCOC) by each drainage watershed, the coefficient of runoff rate(CROC) as evaluated to be relevant between VSW and ROC and the coefficient of the detention capacity of open channe1s(CDCOC) as evaluated with DCOC compared to VSW were estimated and analyzed by parks and by watersheds. The results are as follows: 1. The total drainage area of Baebongsan Park was 34.13ha including surface runoff area(15.05ha; 44.09%), open channel area(l4.60ha; 42.78%), and natural waterway area(4.48ha; 13.13%). The total drainage area of Ogeum Park was 20.39ha including open channel area (10.14ha; 49.73%), ridge-side gutter area(7.17ha; 35.16%), surface runoff area (2.52ha; 12.36%), and natural waterway area (0.56ha; 2.75%). In Baebongsan Park, the portion of surface runoff was comparatively higher while the portion of artificial drainage area was higber in Ogeum Park. 2. In Baebongsan Park drainage districts were largely divided: VSW was 7.28m3/s in total(average 0.23m3/s). Comparatively, tbe VSW in Ogeum Park, including smaller drainage districts, was 4.37m3/s in total(average 0.12m3/s). 3. The ROC of Baebmgsan Park was 11.58m3/s in total(average 0.77m3/s) and the CROC was 5.26, while in Ogeum Park, the ROC was 15.40m3/s(average 0.34m3/s) and tbe CROC was 8.87 higher than that of Baebongsan Because the size and slope of the open channel in Baebongsan Park was higher, the average ROC was larger, while tbe CROC of Ogeum Park was higher than that of Baebongsan Park, for the VSW in Ogeum Park was comparatively lower. 4. The DCOC in Baebongsan Park was 554.54m3 and the average of CDCOC was 179.83. That of Ogeum Park was 717.74m3 and the average of the CDCOC was 339.69, meaning that the DCOC of Ogeum Park was so much higber that drainage facilities in Ogeum Park were built intensively. This study was focused m the capacity of the drainage facilities in mountainous urban neighborhood parks by using the CROC to evaluate relevance between VSW and ROC and the CDCOC to evaluate the DCOC as compared with VSW. The devised methodology and coefficient for evaluating drainage facilities in mountainous urban neighborhood parks may he universally applicable through additional study. Further study m sustainable urban drainage systems for retaining rainwater in a reservoir and for enhancing ecological value is required in the near future.

An Analysis of Process-oriented Design in the Invited Entries of International Competition for the Master Plan of the Yongsan Park, Korea (용산공원 설계 국제공모 출품작에 나타난 프로세스적 설계 분석)

  • So, Jin;Sung, Jong-Sang;Pae, Jeong-Hann
    • Journal of the Korean Institute of Landscape Architecture
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    • v.41 no.2
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    • pp.11-26
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    • 2013
  • Designing large parks such as Yongsan Park requires the open-ended process-oriented design approach in complex layers rather than the conventional self-completed master plan method. This study aims to examine the characteristics of process-oriented design in the eight invited entries of "International Competition for the Master Plan of the Yongsan Park, Korea"(2012). For this purpose, it analyzed each entry according to three criteria: objects of process-oriented approach, time factor and its features of phasing plan, and presentation method of the process. This analysis can not only critically review the current level of the process-centered design methodology but also suggest strategic future directions for Yongsan Park. The objects of process-oriented design in the eight works were order of physical space development, restoration process of ecosystem, recovering process of publicity, and economic operation and management. Main considerations in the objects were connections to adjacent urban fabrics, links to regional green and water system, reuse of existing buildings and infrastructures in the site. The temporal criteria of the phasing plan had two aspects. One was planning a certain time and period, and the other was just establishing an order of phases. Most of the presentation method of process was the phasing plan, but some of the entries suggested a scenario plan. The eight works of "International Competition for the Master Plan of Yongsan Park" did not attempt process-oriented designs entirely and completely. Rather, they tried to introduce the phasing plan as part of a process-centered design. Also, they took an eclectic approach between master plan and process-oriented design instead of rejecting the conventional master plan approach.

Analysis of Research Trends of Ecosystem Service Related to Climate Change Using Big-data (빅데이터를 활용한 기후변화와 연계된 생태계서비스 연구 동향분석)

  • Seo, Ja-Yoo;Choi, Yo-Han;Baek, Ji-Won;Kim, Su-Kyoung;Kim, Ho-Gul;Song, Won-Kyong;Joo, Woo-Yeong;Park, Chan
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.24 no.6
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    • pp.1-13
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    • 2021
  • This study was performed to investigate the ecosystem service patterns in relation to climate change acceleration utilizing big data analysis. This study aimed to use big data analysis as one of the network of views to identify convergent thinking in two fields: climate change and ecosystem service. The keywords were analysed to ascertain if there were any differences in the perceiving problems, policy direction, climate change implications, and regional differences. In addition, we examined the research keywords of each continent, the centre of ecosystem service research, and the topics to be referred to in domestic research. The results of the analysis are as follows: First, the keyword centrality of climate change is similar to the detailed indicators of The Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) regulations, content, and non-material ecosystem services. Second, the cross-analysis of terms in two journals showed a difference in value-oriented point; the Ecosystem Service Journal identified green infrastructure as having economic value, whereas the Climate Change Journal perceives water, forest, carbon, and biodiversity as management topics. The Climate Change Journal, but not the former, focuses on future predictions. Third, the analysis of the research topics according to continents showed that water and soil are closely related to the economy, and thus, play an important role in policy formulation. This disparity is due to differences in each continent's environmental characteristics, as well as economic and policy issues. This fact can be used to refer to the direction of research on ecosystem services in Korea. Consistent with the recent trend of expanding research regarding the impacts of climate change, it is necessary to study strategies to scientifically predict and respond to the negative effects of climate change.

Investigation of pollutant on Sediment of Shin-Gal Reservoir (신갈 저수지의 퇴적물 오염도 조사)

  • Ahn, Tae-Woong;Choi, I-Song;Oh, Jong-Min
    • Proceedings of the Korea Water Resources Association Conference
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    • 2008.05a
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    • pp.1972-1975
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    • 2008
  • 우리 인간이 수원으로 가장 많이 이용하는 지표수의 이동 및 저장 역할을 하는 호소는 자연환경과 인간을 이어주는 중요한 매개체임은 분명하다. 그러나 최근에 경제 성장만을 위주로 발전을 추구해온 결과, 급격한 산업화에 따른 도시지역으로의 인구 집중 현상은 호소에 자연적 혹은 인위적으로 큰 영향을 주고 있다. 하천의 자정능력을 초과하여 발생하는 오염물질이 신갈 저수지로 유입되어 생태계를 파괴하고, 하천의 최종 유입지인 호소의 오염을 가중시켰다. 경기도 용인시, 화성군, 오산시 지역의 농 공업용수의 공급원으로 이용되고 있는 신갈 저수지로 유입하는 하천 역시 도시로의 인구 집중으로 인한 막대한 생활하수와 주변 지역에 조성된 공장에서 발생하는 사업장 배수의 유입으로 인해 심각하게 오염되어 신갈 저수지의 오염을 가중시키고 있다. 현재 용인시에서는 기흥 호수공원을 2010년까지 신갈 저수지 일대 118만평에 여가와 문화, 휴양시설이 연계된 대규모 유원지로 조성한다는 계획을 가지고 있다. 이에 본 연구에서는 신갈 저수지의 퇴적물 오염도를 조사하여 호수공원 조성 시 기초 데이터의 확충 및 현황파악을 위하여 신갈 저수지의 퇴적물에 대한 모니터링을 실시하였다. 측정 시기는 1차(2007년 7월)와 2차(2007년 10월)로 총 2회 실시하였으며, 조사 지점선정은 수역 전체의 특성을 가장 대표할 수 있는 지점(호심 또는 가장 깊은 곳 등), 주요 유입하천수가 유입된 후 충분히 혼합되는 지점, 호수가 유출되는 지점, 폐수나 하수의 유입으로 항상 오염이 인정되는 지점을 고려하여 신갈저수지의 6지점을 선정하여 조사하였다. 퇴적물 분석항목 중 VS, COD, T-N, T-P, 중금속 농도를 중심으로 신갈 저수지의 퇴적물 오염도를 조사하였다. 각 지점별 1차 퇴적물 조사 결과, VS 23.146.6g/kg, COD 8.526.4mg/g, T-N 0.351.52mg/g, T-P 0.601.05mg/g 등의 농도로 조사되었으며, 중금속은 수은, 시안, 카드뮴은 검출되지 않았고 구리의 농도는 0.10.6mg/kg, 납의 농도는 2.13.5mg/kg로 조사되었다. 또한 각 지점별 2차 퇴적물 조사 결과, VS 22.841.4g/kg, COD 7.921.5mg/g, T-N 0.311.44mg/g, T-P 0.821.01mg/g 등의 농도로 조사되었으며, 중금속은 수은, 시안, 카드뮴은 검출되지 않았고 구리의 농도는 0.20.7mg/kg, 납의 농도는 2.43.8mg/kg로 조사되었다. 본 연구의 조사 결과는 앞으로 호수공원이 조성되는 신갈 저수지를 효율적으로 관리함에 있어 중요한 근거자료가 될 수 있을 것으로 판단된다.

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Corridor and Network Analyses of Forest Bird Habitats in a Metropolitan Area of South Korea (수도권 지역 산림성 조류 서식지의 통로와 연결망 분석)

  • Kang, Wanmo;Park, Chan-Ryul
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.17 no.3
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    • pp.191-201
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    • 2015
  • Measuring and mapping connectivity among habitats is a key component of sustainable urban planning and design process. In this study, we examined how functional corridors connect forest bird habitats in a metropolitan area of Korea using graph theory-based techniques. High-quality forest habitat was defined as a function of forest cover, presence of residential areas, and road networks. We then constructed a network of high-quality forest habitats using the FunConn (functional connectivity) tools, and computed metrics (Ti) of patch importance based on the minimum (Q1) and the 25th percentile (Q25) rank least-cost distance values. We investigated the relative influence of two values of patch importance on forest bird species richness. As a result, the patch importance index based on the Q25 effective distance threshold was most positively correlated with species richness (P < 0.001) after controlling for the area effect. Thus, using the Q25 effective distance threshold, we mapped not only the locations of important habitat patches and functional corridors, but also the network backbone of forest bird habitats. The network developed in this study can help guide urban planning for biodiversity conservation.

The Research Trends in Journal of the Korean Institute of Landscape Architecture using Topic Modeling and Network Analysis (토픽모델링과 연결망 분석을 활용한 국내 조경 분야 연구 동향 분석 - 한국조경학회지를 대상으로 -)

  • Park, Jae-Min;Kim, Yong Hwan;Sung, Jong-Sang;Lee, Sang-Seok
    • Journal of the Korean Institute of Landscape Architecture
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    • v.49 no.2
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    • pp.17-26
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    • 2021
  • For the past half century, the Journal of the Korean Landscape Architecture has been leading the landscape architecture research and industry inclusively. In this study, abstracts of 1,802 articles were collected and analyzed with topic modeling and network analysis method. As a result of this paper, a total of 27 types of subjects were identified. Health and healing in the field of environmental psychology, garden and aesthetics, participation and community, modernity, place and placenness, microclimate, tourism and social equity also have been continued as important research area in this journal. Modernity, community and urban regeneration is hot topics and ecological landscape related topics were cold topics. Although there was a difference by subject, the variability of the research subjects appeared after the 2000s. In Network analysis, it shows that 'Park' is a representative keyword that can symbolize the journal, and 'landscape' is also important a leading area of the journal. Looking at the overall structure of the network, it can be seen that the journal conducts research on 'utilizing', 'using', and creating 'park', 'landscape', and 'space'. This study is meaningful in that it grasped the overall research trend of the journal by using topic modeling and network analysis of text mining.

A Study of Maintenance Method by Monitoring and Evaluation of Water Friendly Facilitiesin Urban Streams - A Case Study of Jeonjucheon in Jeonju-si - (하천친수시설의 모니터링과 평가를 통한 유지관리방안 연구 - 전주천을 중심으로 -)

  • Lim, Hyunjeong;Jeong, Moonsun
    • Journal of Environmental Impact Assessment
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    • v.28 no.3
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    • pp.263-274
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    • 2019
  • The purpose of this study is to examine a monitoring method, management zones, and maintenance strategies for water friendly facilities in urban streams after the completion of ecological restoration projects. Maintenance monitoring items are composed of 'use space& facilities', 'trails& bike roads', 'access', and 'boards'. The evaluation standards of water friendly facilities are 'maintenance conditions', 'safety', and 'usage level' which are rated as 'good', 'moderate', and 'poor'. Through a field survey and evaluation of 15 stream sections in Jeonjucheon,the management levels of each water friendly facility are determined as 'priority maintenance', 'general maintenance', 'maintain/remove', and 'remove'. Based on the evaluation results, management zones and maintenance strategies are proposed for each stream section. As a results, the stream sections of J2, J3, J4, and J9 which have 5 to 9 facilities with 'priority maintenance' are determined as 'intensive management zone'. The stream sections of J5, J6, J7, J8, J11, and J14 which have 1 to 3 facilities with 'priority maintenance' are determined as 'regular management zone'. The stream sections of J1, J10, J12, J13, and J15 which have no facilities with 'priority maintenance' are determined as 'minimum management zone'. The process of monitoring & evaluation system and determining management zones can be applied to establish a systematic maintenance plan for water friendly facilities by participation of governance in the future.

Complementary measures for Environmental Performance Evaluation Index of External Space of Green Standard for Energy and Environmental Design for Apartment Complex - Focused on the Respect of Response to Climate Change - (공동주택 녹색건축인증기준의 외부공간 환경성능 평가지표 보완방안 - 기후변화 대응 측면을 중심으로 -)

  • Ye, Tae-Gon;Kim, Kwang-Hyun;Kwon, Young-Sang
    • Journal of the Architectural Institute of Korea Planning & Design
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    • v.34 no.1
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    • pp.3-14
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    • 2018
  • An apartment complex is a building use with great potential to contribute to solving problems related to urban ecological environment and climate change. The first goal of this study is to grasp the current situation of application and limitations of the ecological area rate, which is a representative evaluation index used to evaluate the environmental performance of the external space of an apartment complex in Green Standard for Energy and Environmental Design (G-SEED). The second goal is to propose a prototype of the evaluation index for evaluating greenhouse gas (GHG) reduction performance in order to supplement the evaluation index for the environmental performance of the external space in terms of response to climate change. We analyzed 43 cases of apartment complexes certified according to G-SEED, which was enforced since July 1, 2010, and found application characteristics of each space type and the limitations of ecological area rate. We analyzed overseas green building certification systems such as LEED and BREEAM that derived implications for supplementing the limitations of ecological area rate, which is focused on the evaluation of soil and water circulation function, and set up a development direction of complementary measures. Through analysis of previous studies, relevant regulations and standards, and technical documents of the manufacturer, the heat island mitigation performance of the pavement and roof surfaces of the apartment complex and the carbon uptake performance of the trees in the apartment complex was selected as parameters to yield the GHG reduction performance of the external space of the apartment complex. Finally, a quantitative evaluation method for each parameter and a prototype of the evaluation index for the GHG reduction performance were proposed. As a result of applying the prototype to an apartment complex case, the possibility of adoption and applicability as an evaluation index of G-SEED were proved.

Predicting Concentrations of Soil Pollutants and Mapping Using Machine Learning Algorithms (기계학습을 통한 토양오염물질 농도 예측 및 분포 매핑)

  • Kang, Hyewon;Park, Sang Jin;Lee, Dong Kun
    • Journal of Environmental Impact Assessment
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    • v.31 no.4
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    • pp.214-225
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    • 2022
  • This study emphasized the soil of environmental impact assessment to devise measures to minimize the negative impact of project implementation on the environment. As a series of efforts for impact assessment procedures, a national inventory-based database was established for urban development projects, and three machine learning model performance evaluation as well as soil pollutant concentration distribution mapping were conducted. Here, nine soil pollutants were mapped to the metropolitan area of South Korea using the Random Forest model, which showed the best performance. The results of this study found that concentrations of Zn, F, and Cd were relatively concerned in Seoul, where urbanization is the most active. In addition, in the case of Hg and Cr6+, concentrations were detected below the standard, which was derived from a lack of pollutants such as industrial and industrial complexes that affect contents of heavy metals. A significant correlation between land cover and pollutants was inferred through the spatial distribution mapping of soil pollutants. Through this, it is expected that efficient soil management measures for minimizing soil pollution and planning decisions regarding the location of the project site can be established.

Ecological Characteristics and Management Program for Buffer Greens at Sinhyeon-Eup, Geoje-Si (거제시 신현읍 완충녹지의 생태적 특성 및 관리방안)

  • SaGong, Young-Bo;Lee, Soo-Dong
    • Korean Journal of Environment and Ecology
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    • v.21 no.3
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    • pp.243-256
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    • 2007
  • The purpose of this paper is aimed at identifying the planting condition of greenbelt axis covering forests located at Sinhyeon-eup, Geoje-si and also establishing improvement plans for the ecological organization. The study was executed with buffer green space designed to mitigate noise, which is located at a halfway point linking Mt. Yukkyo(altitude of 50m) and Mt. Jungmae(altitude of 131m). The number of the biotope patterns was classified into 17 in total: the two are urbanized districts such as a townified district and streets and another 15 are greenbelts and open space such as forest biotope, inland water biotope, and landscaping tree plantations biotope. According to the analysis of biotope types, it was estimated that the making use of already established buffer greens as a linking medium with a foothold of Mt. Yukkyo and Jungmae, whose natural eco-system is well suited for habitation of living organism, is the one and only way to the influx of living organism into the downtown area. The green coverage rate of the base green area, sub-base green area and linkage green area was 160.29%, 128.37% and 44.37% respectively; the green capacity coefficient(i.e. GVZ[Gr¨unvolumezahl]) for base green area, sub-base green area and linkage green area was 4.04m3/m2,3.95m3/m2and0.65m3/m2 respectively. The base green area has constituted multi-layered vegetation structure and thus played a role as habitats for living organism and supply centre of species, whereas the sub-base green area has destroyed lower layer vegetation, and the linkage green area was in bad shape due to the lack of planting volume and damage of the shrub layer. Accordingly, this research paper intended to suggest detailed implementation plans for the improvement in landscape for city dwellers' use and relaxation; in other words, this paper focused on ecological build-up for the Influx of wild birds into the downtown area for the promotion of bio-diversity of species through the linkage of base green areas and the fostering of nature observing trails for citizens as well as the connecting of green areas through the build-up of roadside greens to make these green areas to be efficiently used as corridors for the influx of wild birds and bio-organism habitation and for citizens' using space.