• 제목/요약/키워드: City Planning

검색결과 2,027건 처리시간 0.031초

도시배수체계와 연계한 내수침수모형의 개발 및 검증 (Development and Verification of Inundation Modeling with Urban Flooding Caused by the Surcharge of Storm Sewers)

  • 김지성;한건연;이창희
    • 한국수자원학회논문집
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    • 제39권12호
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    • pp.1013-1022
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    • 2006
  • 도시지역에의 내수침수는 주로 우수관로 배수체계의 통수능력 부족으로 발생된다. 따라서 지금까지의 도시침수에 대한 국내외 연구가 우수관로해석에 국한되어왔다. 하지만 우수관로시스템 해석을 통해서 배수능이 부족한 관거를 찾는 것만으로 침수방지대책을 세우는 것은 매우 근사적이고 비합리적인 대안을 제시할 수밖에 없는 실정이다. 본 연구에서는 도시침수양상에 대한 정확하고 합리적인 해를 도출하기 위하여 ILLUDAS를 이용한 관로시스템 해석과 2차원 지표류 계산모형을 연계한 침수해석 모형을 개발하였고, 2001년 7월 서울지역의 집중호우 사상에 대한 적용결과로 해석결과를 검증하였다. 표고차가 적은 도시유역에서 침수모의를 위해서는 2차원적 홍수전파양상을 반드시 고려해야 침수범위, 침수위 등에 대한 정확한 해석이 가능할 것으로 판단된다. 본 연구결과는 도시 홍수 예경보와 침수지도 작성 등의 도시치수 및 방재계획 수립에 실제적으로 응용될 수 있을 것으로 기대된다.

Airborne LiDAR 필터에 관한 연구 (A Segmented Morphology Filter for Airborne LiDAR Data)

  • 최승식;송낙현;조우석
    • 한국측량학회지
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    • 제25권1호
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    • pp.55-62
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    • 2007
  • 항공 라이다 데이터는 3차원 좌표로 표현된 점의 집합으로 대규모 지역의 지형측량을 신속하고 경제적으로 수행하여 고정밀의 수치지형모델을 제작하는데 사용된다. 특히 고정밀 수치지형모델 및 수치표고모델은 토목, 환경, 도시계획, 홍수모델 등에 있어서 정확한 예측과 분석을 가능하게 하며, 이로 인해 활용이 증가하고 있다. 항공 라이다 데이터로부터 수치지형모델을 제작하기 위해서는 건물, 식생 등과 같은 비지면점을 분류하고 제거하는 과정이 필요하다. 본 논문은 항공 라이다 데이터로부터 실세계를 구성하고 있는 지면점과 비지면점을 분류하는 필터링 방법을 제시하였다. 필더링 방법은 라이다 점 데이터를 높이 차이에 따라 분할하고, 분할된 점 데이터를 지면점과 비지면점으로 분류하는 과정으로 진행된다. 이러한 과정을 통해 건물, 식생 등과 같은 비지면점을 제거하고, 수치지형모델을 제작하기 위한 지면점을 추출하게 된다. 제시된 필터링 방법을 ISPRS의 Comparison of Filter(2003) 보고서에서 사용된 데이터에 적용하여 지면점과 비지면점의 분류 결과를 분석하였다.

Stock composition and Renovation Possibility of urban Style Row-rise Houses for rent

  • Park, Byung-Soon;Matsumura, Shuichi
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2002년도 추계학술발표대회
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    • pp.307-313
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    • 2002
  • Urban style row-rise houses for rent have been supplied to the center of city from the 1950's first half The amount of stock is about 450,000 houses and occupies about 40% in the private rented house. As for the structure, the 60% of them is wooden-structure and the rest is non-wooden. Stocks of 57.5% of the wooden-structure and 86% of the non-wooden were built after 1981 years. It was 1981 years that the new earthquake-resistant standard was carried out, the improvement of stocks built before 1981 is necessary because those don't satisfy the present standard. To investigate the renovation possibility of urban style row-rise houses for rent, actual situation of two-story apartment at 2,4, and 5 Chome Taito-Ku in Tokyo was surveyed from July to November 2001. The number of building analyzed is 227 ridges among 234 ridges of the surveyed two-story building. 90% of building analyzed is wooden structure. 1) The site of 88% building surveyed is close to a road less than 4m width. It becomes the existing non-conformed building in the building construction act. It is impossible to make a renovation such as rebuilding, extension and remodeling because it requires the set back when renovating this type of non-conformed building, 2) The building built before 1981 is almost wooden-structure, and occupies 37% of the building surveyed, and doesn't satisfy the present earthquake-resistant standard. An improvement of them is needed because the decrepitude of building proceeds. 3) 50% of openings and 40% of windows of the building surveyed doesn't use noncombustible materials. Though it becomes the existing non-conformed building, it can satisfy the present standard by replacing openings with noncombustible materials.

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병원 종합 물류시스템 운영에 대한 관련직원들의 인식 (A Study of the Employee's Attitude Toward Operation of the Hospital Material Requirements Planning System(HMRPS) in University Hospitals)

  • 이광용;유승흠;손태용
    • 한국병원경영학회지
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    • 제4권2호
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    • pp.266-285
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    • 1999
  • The purpose of this study is to identify influencing factors for successful introduction, implementation and management of HMRPS through assessment of the employees attitude toward HMRPS in technical, administrative, and organization behavioral areas. Data were collected from 157 HMRPS employee members' self-reporting questionnaire in three university hospitals in the city of Seoul and Kyonggi Province from November 5 to November 10, 1997. Relevant literature on industry company MPR system theory was reviewed to develop the theoretical framework. The results were as follows: The employee's recognition of tangible benefit were more significantly influenced success than intangible benefit for successful operation relating the HMRPS. Concerning the employee's recognition of the successful HMRPS and the factor of influenced success was significantly positive correlation between tangible and intangible benefits and success factor in technical, administrative, and organizational behavior area. This study showed that major factor affecting the employee's recognition of tangible and intangible benefit for successful HMRPS. For tangible benefits; Success factors in the technical areas were quality of the data and information, efficiency of inventory management and rescheduling of operation plan. Success factors in the administrative areas were: role of top management. Success factors in the organization behavioral areas were; simplicity of the HMRPS, human resistance to change. For intangible benefits; Success factors in the organization behavioral areas were; user involvement, simplicity of HMRPS, human resistance to change. Futhermore as the exact evaluation of successful factors of HMRPS implement is needed, research for the development of systemic variables of physical distribution system control, methods, capacity of system, duration and other environment in many of 30 hospitals or more, and for the empirical study for HMRPS.

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초등학생의 비만과 관련된 지식, 태도, 행태에 관한 연구 (Knowledge, Attitude and Behavior Related to Obesity in Elementary School Children)

  • 이명하;김현옥;형희경;김희선
    • 지역사회간호학회지
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    • 제18권3호
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    • pp.469-479
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    • 2007
  • Purpose: This study was carried out to investigate the knowledge of obesity and exercise , attitude to dietary habits and exercise, and physical activities and exercise in elementary school children to provide basic data for obese programs. Methods: The subjects were 850 elementary school children of grade 3-6 in C City and data were collected with a questionnaire. Results: Higher grade, female and overweight children recorded a higher knowledge score than lower grade, male and normal weight children. As for attitude to dietary habit, lower grade and female children had more positive attitude than higher grade and male children. Overweight children were more aware of the seriousness of exercise than normal weight children. In physical activity, lower grade and male children were higher than higher grade and female children. The more interested the children's family were in exercise, the higher score of physical activity they showed. Conclusion: In planning education for preventing obesity, it should give consideration to lower glade and male children. In addition, education for changing dietary habit attitude must be extended to higher grade and male children as well. It is effective to develop and apply physical activity improvement programs in the cooperation and involvement of their families.

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토지의 훼손 잠재성에 대한 신속한 생태평가기법 (Rapid Ecoassessment Technique about Anthropogenic Disturbance Potentiality of Land Use)

  • 김종원
    • The Korean Journal of Ecology
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    • 제26권1호
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    • pp.19-22
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    • 2003
  • 군락분류학에 기초한 현존식생도를 이용하여 토지에 대한 생태적 안전성 또는 위약성을 평가하는 '잠재인간간섭도' 평가기법을 개발하였다. 4개 범주(삼림지역, 개방수역-호소와 하천, 경작지 면적, 주택-도시화의 인공 면적)에 따라 입지도에 대한 직접평가 및 간접평가로부터 격자법과 등고선법에 의한 '잠재인간간섭도(潛在人間干涉圖)를 제작하였다. 이것을 토대로 토지의 훼손 잠재성을 평가하는 '교란핵구역'과 '위약(危弱)세포구역'을 규정하고, 토지 관리를 위한 생태적 접근을 시도하였다. 사례연구로 973개의 격자(500 m×500 m)로 이루어진 부산광역시 기장군 일대의 현존식생도 상에서 이루어졌다. 사례연구 지역 내에서 '교란핵구역'은 51군데이며 '위약세포구역'은 28군데로써 대상 면적의 약 8.1%를 차지하는 것으로 나타났다. 식생학적 현존식 생도를 이용한 '교란핵구역'과 '위약세포구역'을 발굴하는 잠재인간간섭도는 토지 이용과 보존에 관한 생태학적 전략 구축에 있어서 구체적인 현장적 입지진단 정보를 제공하는 유효수단인 것으로 밝혀졌다.

초등학교 내 학교숲 기능에 관한 교사 - 학생간 인식 비교 연구 (A Comparative Study on Teacher-Student Perception of Forest Function in Elementary School)

  • 김정호;이상훈;윤용한
    • 한국환경과학회지
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    • 제27권7호
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    • pp.519-529
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    • 2018
  • With rapid economic growth, the urban environment has created a problem of human physical and mental illness. In order to solve these problems, urban forests have emerged as a way to mitigate the environmental risks through improving the polluted environment of the city and improve the quality of life. As the urban forests have expanded, the school forests movement has also been taking an important place recently. The study focused on the performance of school forests by comparing the perceptions among teachers and students about their functions. The questionnaire was composed of 4 questions concerning human matters, 10 questions for space recognition, 4 questions for thermal environment, 2 questions for health promotion, and 20 total questions for composition of survey items. The reliability of the school forest function, number of tree planting areas and quantities, the harmony of the planting, and the satisfaction of the school forest were analyzed in the questionnaire conducted by the school members. Although it does not recognize school forests, it has a positive response to the green space that is built outdoors. It is considered that outdoor education and environmental education are sufficient in school forests and green spaces. The results showed that the outdoor green space was more satisfactory when compared with the general school. Teachers and students' preferences were similar to 'seasonal changes' and' trees of various colors and shapes'. The reliability analysis between each item shows that the coefficient for cronbach's ${\alpha}$ was .700 to .834. The purpose of this study is to identify the perception of forest function among school forest members and to utilize them as a basic data in the future.

녹지가 갖는 환경적, 경제적 효과에 관한 기초적 연구 (A Study on the Environmental and Economic Value of Green space -The Case of Seoul Metropolitan City-)

  • 이동근;오규식;윤소원
    • 한국환경복원기술학회지
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    • 제5권4호
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    • pp.10-18
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    • 2002
  • The purpose of this study is to investigate the environmental value of green space in Seoul. Longitudinal relationships between land use patterns and $SO_2/NO_2$ have been analysed. Then the environmental and economic value of green space were examined. In this study, the following results have been found : Firstly, it was found that the amount of $SO_2$ showed the negative relations with green space but had the positive relationships with the built-up area. Which in turn can be interpreted as securing the green space could improve the $SO_2$ purification capacity. Secondly, Seoul Metropolitan green belt zones absorbed 69,728 tones of $CO_2$, 654 tones of $SO_2$ and produced 51,205 tones of O2 at the year of 1997 standpoint. This results implicate that the Seoul Metropolitan green belt zones resolve 0.2% of $CO_2$ and 2.9% of $SO_2$ production in total. Finally, the occurrence of an additional costs of 6,800 Korean Won per household was expected due to the air conditioning cost increases as the green belt areas decrease. Therefore, it is recommended to establish the alternative plans for the protection and creation of the green space in the urban areas, since those urban green space have the significant meaning as their provision of habitats for the wildlife as well as their contribution to the reduction of energy consumption.

유네스코 생물권보전지역 개념을 도입한 옥상 생물서식공간 조성 기법에 관한 연구 -유네스코회관 옥상을 사례로- (A Study on a Rooftop Biotope Creation Technique Reflecting the UNESCO Biosphere Reserve Concept - Focusing on the UNESCO Building Rooftop -)

  • 김귀곤;조동길
    • 한국환경복원기술학회지
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    • 제7권4호
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    • pp.32-43
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    • 2004
  • Targeting a rooftop biotope created in urban area, this study aims at verifying a creation technique reflecting an urban biosphere reserve concept as well as its function as the habitats of various wild animals. To this end, a set of processes of a biosphere reserve-based basic conception and master plan, sectoral plans, construction and monitoring were applied to the rooftop of 12-story UNESCO Building in Seoul. In particular, the rooftop habitats were divided into core area, buffer zone and transition area, and habitats and facilities suitable to the characteristics of each space were planned. By aligning a plantation planning map with environmental conditions such as topography and water, creation of diverse habitats was enabled. As a result, a set of various habitats including wetlands, wild grassland, shrubs, forest trees and vegetable fields was created at the site. Species living in these habitats included 148 plant species, 62 insect species, 2 amphibian species, 3 fishery species and 3 bird species. The rooftop eco-park of UNESCO Building, which was created one year ago, is assessed as an important space for conservation of biodiversity as well as a place where a biosphere reserve concept was well applied. Meanwhile, for this rooftop biotope to be a pioneer of urban biosphere reserve-based types, a number of principles & methodologies suggested in this study need to be applied, In a perspective of landscape ecology, maintenance efforts should be linked with green areas in neighboring areas, which are the sources of species, In addition, considering that the rooftop biotope is a restored ecosystem, theories and approaches from restoration ecology should be applied. On-going monitoring on environmental changes is also required as the site is located in the urban center, Ultimately, rooftop biotopes including the case study area should contribute in promoting the socio-economic, cultural, and spiritual sustainability as well as environmental sustainability of a city.

동판교 신도시의 물순환 체계 구축방안 (A Study on the Establishment of Water Circulation System for the Eastern Pangyo New Town)

  • 최희선;김귀곤
    • 한국환경복원기술학회지
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    • 제12권3호
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    • pp.49-58
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    • 2009
  • This study was done to provide a case model with a concept of environmental integration based on the water circulation system. Area of interest (AOI) is the Eastern Pangyo New Town area, which has several advantages in adaptation of a water circulation system. The AOI has a potential of maintaining water resources, and has a good condition to construct the water circulation system. Research done for the purpose of the establishment of the water circulation system in the Eastern Pangyo New Town shows the following. The main sources of water supply in the water circulation system in the Eastern Pangyo New Town is from two subway stations and runoff water, along with the natural water flowing from the mountains, rain water, and stream water. It was determined that more than 35,000 tons of water would be needed for the creation of water circulation system at the Eastern Pangyo. If the creation of infrastructure for the use of runoff and rain water as well as the periodic management can be provided, it can serve as the new model for a new city with water circulation system. In addition, since the Eastern Pangyo New Town water circulation system can secure enough amount of water resources, natural drainage system (NDS) in which it can be in dry condition in non-rainy days, is applied and connected to the typical waterways. Such water circulation system has many positive aspects including the wise use of water resources, and providing wild Life animals corridors and habitats. Also, the water circulation system can lead to the environmental education to the residents and visitors on environmental awareness of the water circulation system and their environment.