• Title/Summary/Keyword: Urban Land Use

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Examination of Potential Unplanned Land Use in Asan City with a Spatial Analysis Method (아산시 국지적 난개발 발생 가능지역 탐색 방안 실증연구)

  • Lee, Gyoungju;Im, Jun-Hong
    • Land and Housing Review
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    • v.13 no.3
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    • pp.69-81
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    • 2022
  • Unplanned land use, that is, unplanned development, causes various negative externalities. In the past, Korea has experienced significant socio-economic costs due to reckless development centered on the boundary between urban and non-urban areas.. Unplanned land use can be viewed as a result of the interaction of various factors.. Therefore, it is difficult to develop in areas where unplanned land use occurs intensively. It is necessary to strengthen legal and institutional measures so that negative externalities do not persis. In this study, we present a spatial analysis methodology to effectively find spatial clusters where unplanned land use is concentrated. By demonstrating and applying this to individual development activities that occurred in Asan City, we examine the usefulness of information to support decision making when establishing mid-to-long-term growth management strategies at the local government level.

Analysis of the Relationship Between Land Cover and Land Surface Temperature at Cheongju Region Using Landsat Images in Summer Day (LANDSAT영상을 이용한 여름철 청주지역의 토지피복과 지표면온도와의 관계 분석)

  • Park, Jong-Hwa;Kim, Jin-Soo;Na, Sang-Il
    • Journal of The Korean Society of Agricultural Engineers
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    • v.48 no.5
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    • pp.39-48
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    • 2006
  • The objective of this research was to find an indirect method to estimate land surface temperature (LST) efficiently, using Landsat images. Agricultural fields including paddy fields have long been known to have multi-functions beneficial to the environment and ecology of the urban surrounding areas. Among these functions, the ambient temperature cooling (ATC) effect is widely acknowledged. However, quantitative and regional assessment of such effect has not been performed. Thermal remote sensing has been used over urban areas to assess the ATC effect, Thermal Island Effect(TIE), and as input for models of urban surface atmosphere exchange. Here, we review the use of thermal remote sensing in the study of paddy fields and urban climates, focusing primarily on the ATC effect. Landsat satellite images were used to determine the surface temperatures of different land cover types of a $44km^{2}$ study area in Cheongiu, Korea. The results show that the ATC is a function of paddy area percentage in Landsat pixels. Landsat pixels with higher paddy area percentage have much more cooling effect. The use of satellite data may contribute to a globally consistent method for analysis of ATC effect.

A Discussion on the National Land Planning and Use Act from the Rural Planning of View (농촌계획 관점에서 본 국토계획법의 개선방안)

  • Hwang, Han-Cheol
    • Journal of Korean Society of Rural Planning
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    • v.10 no.2 s.23
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    • pp.51-60
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    • 2004
  • Through the fast economic growth since the 1960s, Korea has experienced various problems on land such as urban sprawl, the rapid increase in land prices, land speculation, privatization of the betterment, and so on. To prevent such problems and to enhance harmonious development and conservation, the National Land Planning and Use Act(NLPUA) was established in 2003. The NLPUA which was revised and combined two existing planning laws i.e. the National Land Use Management Act and Urban Planning Act, has an eye to preventing disorderly spatial development, to pursuing environmentally friendly spatial planning, and to following up planned development in non-urbanized area like rural area. This study aims to discuss what should be considered the pending issues after the application of the NLPUA in rural area. On the basis of reviewing the NLPUA in a viewpoint of the rural planning, this study suggests some improvement policy such as considering various rural conditions, securing excellent agricultural land, applying the District Plan II system effectively, reorganizing the planning administrative, and so on.

Forecast of Land use Change for Efficient Development of Urban-Agricultural city (도농도시의 효율적 개발을 위한 토지이용변화예측)

  • Kim, Se-Kun;Han, Seung-Hee
    • Journal of Korean Society for Geospatial Information Science
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    • v.20 no.2
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    • pp.73-79
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    • 2012
  • This study attempts to analyze changes in land use patterns in a compound urban and agricultural city Kimje-si, using LANDSAT TM imagery and to forecast future changes accordingly. As a new approach to supervised classification, HSB(Hue, Saturation, Brightness)-transformed images were used to select training zones, and in doing so classification accuracy increased by more than 5 percent. Land use changes were forecasted by using a cellular automaton algorithm developed by applying Markov Chain techniques, and by taking into account classification results and GIS data, such as population of the pertinent region by area, DEMs, road networks, water systems. Upon comparing the results of the forecast of the land use changes, it appears that geographical features had the greatest influence on the changes. Moreover, a forecast of post-2030 land use change patterns demonstrates that 21.67 percent of mountain lands in Kimje-si is likely to be farmland, and 13.11 percent is likely to become city areas. The major changes are likely to occur in small mountain lands located in the heart of the city. Based on the study result, it seems certain that forecasting future land use changes can help plan land use in a compound urban and agricultural city to procure food resources.

An Analysis of New Urbanism Urban Design Factors in New Town -Case Study on Eunpyung New Town District 1 in Seoul - (국내신도시 사례를 통해서 본 뉴어바니즘 도시설계요소 분석 -서울시 은평뉴타운 1구역을 중심으로-)

  • Na, In-Su
    • Journal of KIBIM
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    • v.11 no.1
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    • pp.31-38
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    • 2021
  • The design principles of new urbanism (NU) have been adopted for new towns-in town projects for inner city neighborhoods in Seoul, Korea Since 2000. Here, ten NU principles were matched to four urban design categories: streets, land use, housing and buildings, and public open spaces. These elements were analyzed for Eunpyung New Town project. Through the case, the applications and implications NU principles are explored. The principles of connectivity, quality architecture and urban design, increased density, green transportation, sustainability, and quality of life were positively and successively adopted for streets, land use, housing and buildings, and public open spaces. The principles of mixed-use and diversity and traditional neighborhood structure were only partially applied in land use, housing and buildings, and public open spaces. It should be note that the walkability principle is intended not for job-housing proximity, but for pedestrian-friendly street design.

A study on Cheong-ju urban land use planning on the subject of Zoning (청주권 토지이용 체계에 관한 연구 (지역지구제 중심으로))

  • 권상준
    • Journal of the Korean Professional Engineers Association
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    • v.16 no.1
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    • pp.20-34
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    • 1983
  • A phenomenon in the unplanned urban sprawl of Cheong-ju city has to be rest-rained from disposing and to develop, though progress in urbanization inevitably decreases rural area. So, this thesis aims at reviewing, revising and guiding toward the more effective land use planning practice and zoning mechanism and system of Cheong-ju city. I proposed that land use planning should be had several factors and thereupon that Korean zoning mechanism and system including Building Code should be amended because of inducing human activities in buildings and facilities not to demarcate and plan every one of them. First, the factors of urban planning are a rather diversified approach to it than a unified, supplementation of the applicable difference in time between preparing and appling it, a solid controlling system, a micro and macro planning theory and giving serious consideration for the inertia from the existing land use. Second, the applicable amendments for our zoning mechanism including Eluding Code are as follows; a need of reorganization for Zoning Ordinance appricated to different regulation concerning a scale and peculiarity of a oily, a decision of the different earmarked confinement in area to different zone ana from Zoning Ordinance in City Planning Law, a demarcated facilities and the more detailed land use concerning human activies than the exsisting and entrusting decision on the ways and processes of it to every rural city planning committee, a settlement of zone ana area considering for block-unit and Planned Unit Development(P. U. D.), and a need of security jurisprudence in order to solve the zoning regulation rather in City Planning Law than in Building Code that our zoning regulation and controlling system are depended on. According to these applicable amendments to Cheong-ju city, I proposed the conceptions of Cheong-ju city land use planning are as follows; a reinforcement with one cored pattern of urban land use, a selection of gradual urban sprawl by way of city development and renewal, a strengthening accessibility to the core of the city with Plurizing the system of arterial roads, a choice of priority to conservation at the core of tile city and security of open spaces and parking area at the area of the city, a harmonization between development and conservation at the inner ring area that is situated between the core and periphery reserved area in order to develop in the future, a buffered open space situated at the congested area with heterogenous functions, and a completion of urban open space system. The proposal made here so far is for the hope of the better structure of Cheong-ju city that should be granted to the peculiarity developed with educational, cultural, conservative and self-sufficient city functions.

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Extraction of Urban Boundary Using Grey Level Co-Occurrence Matrix Method in Pancromatic Satellite Imagery (GLCM기법을 이용한 전정색 위성영상에서의 도시경계 추출)

  • Kim, Gi Hong;Choi, Seung Pil;Yook, Woon Soo;Sohn, Hong Gyoo
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.26 no.1D
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    • pp.211-217
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    • 2006
  • Growing urban areas modify patterns of local land use and land cover. Land use changes associated with urban expansion. One way to understand and document land use change and urbanization is to establish benchmark maps compiled from satellite imagery. Old satellite Imagery is useful data to extract urban information. CORONA is a photo satellite reconnaissance program used from 1960 to 1972 and its imagery was declassified and has been available to the public since 1995. Since CORONA images are collected with panoramic cameras, several types of geometric distortions are involved. In this study we proposed mathematical modeling method which use modified collinearity equations. After the geometric modeling, we mosaicked images. We can successfully extract urban boundaries using GLCM method and visual interpretation in CORONA (1972) and SPOT (1995) imagery and detect urban changes in Seoul quantitatively.

Measuring and Describing Seoul's Mixed-Use Phenomenon (서울시 용도복합 현상의 측정 및 기술에 관한 연구)

  • KIM, Hyun-Moo;LEE, Woo-Jin;KWON, Tae-Jung;YEON, Jeong-Min
    • Journal of the Korean Association of Geographic Information Studies
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    • v.24 no.3
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    • pp.10-31
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    • 2021
  • The mixed-use concept definition, this study reveals, is that the mixing three or more major types of urban uses implements for economical, social and environmental values in our urban space. With this definition the study explores Seoul's mixed-use phenomenon. The quantification method, the study uses, is the relative entropy which calculate the balance of each urban use in a certain area. The relative entropy method, also known as the LUM(land-use mix score), uses three urban-use categories which is derived from the mixed-use concept definition. Hundreds of building-use types in the building regulations are categorized and calculate the LUM of Seoul's legal-status neighborhoods. The result interpreted as the criteria of Seoul's mixed-use phenomenon and categorize mixed land-use status in a certain value: 'non mixed-use' category has a value 0.631 and below, 'unbalanced mixed-use' category has a value between 0.631 and 0.884, 'balanced mixed-use' category has a value between 0.884 and 0.991 and 'complete mixed-use' category has a value 0.991 and over.

ESTIMATION OF HEAT ISLAND POTENTIAL BASED ON LAND-USE TYPE IN DAEGU

  • Ahn Ji-Suk;Kim Hae-Dong;Kim Sang-Woo
    • Proceedings of the KSRS Conference
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    • 2005.10a
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    • pp.394-397
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    • 2005
  • This study aims to estimate a heat island potential distribution based on the land-use types using LANDSAT/TM(1100LST April 2000) and AWS data in Daegu. The heat island potential is defined as a difference between surface temperature and air-temperature at each place. The study area was selected as about $900k km^2$ square including Daegu metropolitan area. Land-use data obtained by dividing all of Daegu metropolitan area into l-km-square three types of maps were prepared, in the 1 960s, 1970s and 2000s respectively. The types of land-use were divided into 5. Forest and farm lands have been reduced at a wide range during 40 years, most of which changed to urban area. The heat island potential distribution presented a striking contrasts according to land-use types. For example, the heat island potential of urban area was higher than $14^{\circ}$ in comparison to those of water or paddy rice areas.

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Analysis of the Noise Variation on Land Use Using Data of Noise Monitoring Network (소음 측정망 자료를 이용한 용도지역별 소음변화 분석)

  • Eo, Jae-Hoon;Yoo, Hwan-Hee
    • Journal of Korean Society for Geospatial Information Science
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    • v.18 no.3
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    • pp.91-96
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    • 2010
  • Depending on the transportation, information and communication technology development, urban such as the superficial spreading and the changing structure of internal space of the organism has various shape and speed of the changes. In particular, the main cause of these changes is the development of the traffic and this transport system is having a close connection with land use. This study presents the results about characteristics and changes of noise on each land use zoning. Therefore the result shows that the measured data could be used to evaluate noise distributions on urban land use and then make up the basis process for producing noise maps of land use zoning.