• Resources Recycling
• /
• v.20 no.6
• /
• pp.3-18
• /
• 2011

In order to review the recycling status of urban mine resources in Korea, metal consumption, metal stock reserves and metal scraps and wastes such as iron scrap, end of life vehicles(ELV), E-waste were surveyed. In making up the list of the metal consumption, the statistical data from the Korea Non-Ferrous Association, the Korea Iron and Steel Association, the HS code of Korea Custom Service, the symposium and the related companies were collected. Finally, "Principle uses and recycling potential of metals in the periodic table" by T.E.Graedel was introduced. This paper suggested the key point for development of urban mine resources.

• Proceedings of the Korean Geotechical Society Conference
• /
• 2010.03a
• /
• pp.946-950
• /
• 2010

급속한 산업화와 도시화는 도시지역 불투수 지표면적의 대부분을 차지하고 있는 도로포장면의 증가를 가져왔으며, 이것은 강우의 급속한 배수를 유발하여 도시홍수를 발생시키고 우수의 지표면 침투 저하로 인한 지하수위의 저하와 용수의 고갈 등 생태계의 불균형과 도시지역의 열섬현상과 같은 환경문제의 주요인으로 지목되고 있다. 불투수층 포장체로 인하여 왜곡되어 있는 국내 물순환 시스템의 개선 방안으로 실험에 의한 투수성 포장체의 처짐량 및 투수계수를 측정하였다. 투수성 포장을 모의하도록 수정 개발된 SWMM을 이용하여 대상지구 내 우수저감효과를 분석하였다. 투수성 포장 설치가 건기 하천유출량과 우수유출에 어떤 영향을 미치는지 연속유출모의를 수행하였다. 1997년부터 2007년까지 투수성 포장 설치 전 후의 물순환 분석결과 유출률 및 침투율은 각각 81.38 %, 74.35 %와 8.32 %, 15.13 %로 산정되었다. 대상지구의 투수성 포장의 설치로 유출량은 감소, 침투량은 증가하는 것으로 나타났다.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
• /
• 2018.11a
• /
• pp.167-169
• /
• 2018

2020년부터 전 세계적으로 IMO 선박연료유 규정은 한층 강화될 것으로 예상되며, 일부 지역은 배출규제해역(Emission Control Area; ECA)를 지정하여 선박으로부터 배출되는 대기오염물질을 통제하고 있다. 우리나라는 항만도시의 대기오염 정도가 높으며 대기오염물질의 주요 배출원은 선박으로 밝혀지고 있어 이에 대한 대책으로써 ECA 지정을 위한 검토가 시급하다. 본 연구에서는 국내 항만을 대상으로 ECA 지정 필요성을 검토하고 우리나라 여건에 적합한 ECA 지정방식과 절차 등 종합적인 도입방안을 제시하는 것을 목적으로 한다. 연구목적 달성을 위해 우리나라 항만도시의 대기환경 현황을 분석하고, 해외 ECA 지정 사례 분석을 통해 그 지정현황, 규제 수준 및 효과를 파악하였다. 또한 ECA 도입 타당성을 제시하기 위해 항만도시 거주민과 업계 종사자를 대상으로 수행한 설문조사 결과를 활용하였다. 결과적으로, 우리나라의 ECA 도입은 필요하며 향후 5년을 목표로 단계적으로 추진하는 것이 바람직하다. 우선적으로 자발적으로 영해 내 ECA 도입을 추진하되, 선박 통항량이 많은 주요항만구역을 대상으로 한다. 제도의 초기 장착을 위한 인센티브 제도 마련, 관리인력 확보 및 법 제도 구축을 통해 실효성을 확보하도록 해야 한다. 장기적으로는 IMO 승인을 통해 ECA가 이행될 수 있도록 타당성 조사가 선행되어야 한다.

• KSCE Journal of Civil and Environmental Engineering Research
• /
• v.26 no.1D
• /
• pp.149-156
• /
• 2006

Existing method of landuse classification using aerial photographs or field survey requires relatively higher amount of time and cost due to necessary manual work. Especially in urban area where the pattern of landuse is densely aggregated, a landuse classification using satellite image is more complex. In this background, this study proposes a landuse classification method to utilize 1:1,000 digital topographic data and IKONOS satellite image. To prove the possibility of this method, the method was applied to Seoul metropolitan area. The results shows the total accuracy of approximately 95% and 14 landuse classes extracted. Based on the results from the pilot study, this method is applicable to landuse classification in urban area.

• KSCE Journal of Civil and Environmental Engineering Research
• /
• v.37 no.6
• /
• pp.1077-1085
• /
• 2017

Urban space is a place that shows the behavior, experience and lifestyle of residents. Also by the combination of local attributes and assets, creating a space that reflects the unique image of the city. For the development of the city, it is important to actively reflect the identity of the space created by the difference of each space. In this study, we focused on the disparate of space and found the characteristics of urban space. And psychological factors on disparate images of the spatial analysis. As a result, 14 spatial image characteristics of Busan showed difference. In terms of dimensions, it could be classified as an natural, artificial, dynamic, static images. Also, the preference cluster of individuals showed a positive response in naturalness, openness, gentle slope and static space.

• Journal of Korea Spatial Information System Society
• /
• v.10 no.2
• /
• pp.25-33
• /
• 2008

The aim of this research was to track the appropriate path favorable to urban development when finding small streams which had been destroyed during the process of urbanization and restoring the streams to a natural flow. This research located the targeted streams in the urban area by using GIS, and designated 3 main factors in restoring small streams: altitude, the usage of land, and land prices. After analyzing the possibilities and outcomes of each factor, the study found the most suitable remedy reflecting those 3 factors. Since there are various effects on stream restoration, based on these 3 factors, the study found and used the most viable factor in accordance with its importance. Using this template, the study developed a method to track the most appropriate restoration path. The study results will contribute to finding, and the restoration of disappeared streams for making more pleasant urban life and an environmentally-friendly city.

• Journal of Korean Society for Geospatial Information Science
• /
• v.12 no.3 s.30
• /
• pp.13-21
• /
• 2004

Landuse information is used to plan land use, urban and environmental management as base data. And, demand for landuse information is rising due to ecological consideration. But existing method to extract landuse information from aerial photographs or field survey is consume a lot of time and cost. In urban area where the pattern of landuse is densely aggregated, a landuse information needs to be classified in detail for urban planning and management. Therefore this study aims to examine the method to extract landuse information in detail from 1:1,000 digital topographic data. For the purpose, the method was applied to a part of metropolitan Seoul. The results of study shows that extraction of landuse information except forest area is possible. Forest area is needed to describe smaller spatial unit. For the future, the method of describing forest area is improved it will be effectively applicable for the city maintenance.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.14 no.10
• /
• pp.5251-5259
• /
• 2013

This study aims to make sustainable and future-oriented eco-archipelagic city through developed trend of analysis physical design method and correlation analysis between design method and development purpose for archipelagic development. First, EU cases had variety developed thema and identity such as science city, leisure and resort city, commercial city, ecology city in environmental theory aspects but, Korean cases have plenty of problems such as focused development of leisure and resort city for fund profit, imperfected native people's developed knowledge learning and understanding and figure out that they will not make to the sustainable development for islands of archipelagic. Second, as a in-depth analysis, the application of methods and developed trend were figured out by correlation analysis between physical design methods and development purpose through result(physical design methods) of case studies. As a result, contents and design methods from development purposes have to develop by multilateral aspects and also, native resident will have to require infrastructure expansion about service contents for smooth communication and sustainable information sharing.

• Journal of the Korean Association of Geographic Information Studies
• /
• v.17 no.2
• /
• pp.1-14
• /
• 2014

In this study, the change characteristics of urban spatial structure in Daegu were analyzed connecting with urban planning for efficient urban management. Urban development process from 1970 to 2010 in Daegu was analyzed utilizing Getis-Ord $G_i^*$ methodology, a spatial statistical method, and it was identified that Daegu was in the stage of disurbanization. However, as Daegu orients multi-nuclei city, it was difficult to explain the stage of urban development after disurbanization in 2000. Accordingly, to analyze detailed changes in spatial structure in multi-centric areas after 2000, population, land price and employment factor changes were analyzed using Bachi Measurement. According to analytical results, multi-centralization process has been continued in Daegu. Urban core area and Chilgok area showed spatial structure change into distribution process, Ansim area into concentration process, and Seongseo and Talseo area into concentration and distribution process. Therefore, urban planning considering the regional characteristics are needed for efficient urban management.

• Journal of the Korean Institute of Landscape Architecture
• /
• v.51 no.4
• /
• pp.76-89
• /
• 2023

One of the technologies in urban agriculture, hydroponics cultivation, has primarily focused on technological development, resulting in a lack of research on urban agriculture's cultural utilization aspects, encompassing cultural values associated with urban residents' leisure activities. Therefore, this study aimed to identify the participation constraints perceived by school community members when implementing urban farming activities using hydroponics and understand the structural relationships between the variables that influence decision-making from the perspective of leisure activities in urban farming. As a result, participation constraints in urban farming activities utilizing hydroponics were first categorized into intrinsic, interpersonal, and structural factors. Second, the results of hypothesis model verification showed that interpersonal constraints significantly influenced the participants' willingness to participate and their expected behavior. This study found the multidimensional perceptions of school community members regarding hydroponic urban farming conducted in urban spaces, particularly rooftops, and revealed the influence of decision-making factors on participation when conducting urban farming activities using hydroponic cultivation.