• Title/Summary/Keyword: 녹지네트워크

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A Spatial Decision Support System for Establishing Urban Ecological Network ; Based on the Landscape Ecology Theory (도시 생태네트워크 설정을 위한 공간의사결정지원체계에 관한 연구 ; 경관생태학 이론을 기반으로)

  • Oh, Kyu-Shik;Lee, Dong-Woo;Jung, Seung-Hyun;Park, Chang-Suk
    • Spatial Information Research
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    • v.17 no.3
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    • pp.251-259
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    • 2009
  • As a result of the current trend towards promoting conservation of the ecosystem, there have been various studies conducted to determine ways to establish an ecological network. The development of analytical methods and an environmental database of GIS has made the creation of this network more efficient. This study focuses on the development of an urban spatial decision support system based on 'Landscape Ecology Theory'. The spatial decision support system suggested in this study consists of four stages. First, landscape patch for the core areas, which are major structures of the ecological network, was determined using the GIS overlay method. Second, a forest habitat was investigated to determine connectivity assessment. Using the gravity model, connectivity assessment at the habitat forest was conducted to select the needed connecting area. Third, the most suitable corridor routes for the eco-network were presented using the least-cost path analysis. Finally, a brief investigation was conducted to determine the conflict areas between the study result and landuse. The results of this study can be applied to urban green network planning. Moreover, the method developed in this study can be utilized to control urban sprawl, promote biodiversity.

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녹지네트워크계획을 위한 녹지유형구분의 한일비교 연구

  • 강명수
    • Proceedings of the Korean Environmental Sciences Society Conference
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    • 2003.11b
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    • pp.82-84
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    • 2003
  • 도시생태환경복원을 위한 녹지기본계획에서 취급되어질 수 있는 녹지유형 구분에 관한 한일비교연구로, 한국의 환경부, 서울시, 울산시의 계획과 일본의 동경도, 오사카부, 아오모리현, 효고현, 가나가와현, 요코하마시의 녹의 기본계획을 참고로, 녹지공간의 구분기준에 대한 고찰을 행하였다. 그 결과내용은 다음과 같다. 한국에서의 녹화공간의 구분은 녹지 공간배치를 중심으로하는 시점에서의 공간 구분을 행하고 있어, 공간 위계질서 체계를 구축함에 유용한 구분으로 되어있다. 이와 달리, 일본에서의 녹화 공간구분은 관련법규와의 연계성을 고려한 행정적인 시점에서의 공간 구분을 행하고 있어, 실현성 높은 공간 구분으로 행정적인 관리체계에까지 일괄적인 연계가 가능하도록 고려되어 있다. 또한, 도시공간의 동일한 지역구분을 하고 있으나, 그 지역 내의 특성을 살릴 수 있도록 세부지역을 구분하여 지역성을 남길 수 있는 유연성을 갖고 있다. 이와 같은 점을 종합적으로 검토한 결과. 비록 법적인 체계 정립이 미비한 한국이지만, 녹화의 계획적인 면보다는 행정적으로 실질성을 가질 수 있는 녹지계획의 관련법규 및 규제 등을 고려한 공간유형구분이 보다 유용하다는 것을 시사하고 있다.

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Building Wind Corridor Network Using Roughness Length (거칠기길이를 이용한 바람통로 네트워크 구축)

  • An, Seung Man;Lee, Kyoo-Seock;Yi, Chaeyeon
    • Journal of the Korean Institute of Landscape Architecture
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    • v.43 no.3
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    • pp.101-113
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    • 2015
  • The purpose of this study is increasing ventilation network usability for urban green space planning by enhancing its practicality and detail. A ventilation network feature extraction technique using roughness length($z_0$) was proposed. Continuously surfaced DZoMs generated from $z_0$(cadastral unit) using three interpolations(IDW, Spline, and Kriging) were compared to choose the most suitable interpolation method. Ventilation network features were extracted using the most suitable interpolation technique and studied with land cover and land surface temperature by spatial overlay comparison. Results show Kriging is most suitable for DZoM and feature extraction in comparison with IDW and Spline. Kriging based features are well fit to the land surface temperature(Landsat-7 ETM+) on summer and winter nights. Noteworthy is that the produced ventilation network appears to mitigate urban heat loads at night. The practical use of proposed ventilation network features are highly expected for urban green space planning, though strict validation and enhancement should follow. (1) $z_0$ enhancement, (2) additional ventilation network interpretation and editing, (3) linking disconnected ventilation network features, and (4) associated dataset enhancement with data integrity should technically preceded to enhance the applicability of a ventilation network for green space planning. The study domain will be expanded to the Seoul metropolitan area to apply the proposed ventilation network to green space planning practice.