• Title/Summary/Keyword: Gwangju metropolitan area

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Land Rent Changes in the Subway Catchment Area: Case Study of Gwangju Metropolitan Area (도시철도 역세권의 지가분포 변동: 광주시 사례연구)

  • Gu, Jaung;Song, Yena
    • Journal of the Economic Geographical Society of Korea
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    • v.19 no.3
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    • pp.423-436
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    • 2016
  • In a densely developed metropolitan area, the subway system is often constructed to address the mobility problems. Subway system was first introduced in Seoul in late 1970s, then Korean metropolitan cities began to adopt the system later. Subway systems not only resolve the mobility problems, but also interact with regional socioeconomic landscape. This study aims to find the association between the subway network and land rent within the subway catchment areas in Gwangju metropolitan city in a spaciotemporal framework. The analysis results indicated that proximity to the subway station and the size of nearest road were positively associated with the land rent. Also from a cluster analysis, it was found that the old and new Central Business Districts as well as stations at peripheral areas had distinctive land rent change characteristics. This empirical analysis indirectly proves the strong association between land rent and urban planning and also the positive relationship between land rent and transportation networks.

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A Study on Business Value for the Creation of a Private Park regarding Long-term Non-executed Urban Parks - Focused on Long-term Non-executed Neighborhood Park in Gwangju Metropolitan City - (장기미집행 도시공원의 민간공원 조성을 위한 사업성 연구 - 광주광역시 장기미집행 근린공원을 중심으로 -)

  • Kim, Ho-Gyeom;Kim, Dong-Chan
    • Journal of the Korean Institute of Landscape Architecture
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    • v.44 no.5
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    • pp.81-91
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    • 2016
  • The study shows solutions of long-term unexecuted urban park and activation plans to facilitate the business promotion of Private Park Developers. This study conducted a feasibility analysis to determine if the business of a special case is applicable. The result of this study is as follows about three long-term unexecuted urban parks in Gwangju Metropolitan City's City Park. First, the three long-term unexecuted urban parks in Gwangju Metropolitan City's City Park are the forest type Neighborhood Parks. Businesses of a special case's park developing cost(average 0.4%) have a relatively low percentage. It is most affected by Land Compensation(average 33.8%) and building construction expenses(average 59.1%). Second, long-term unexecuted urban parks' Land Compensation and building construction expenses seed capital are excessive. The Bongsan Park balance floor space index is 179 percent; a reasonable profit floor space index is 220 percent. The Mareuk Park balance floor space index is 351 percent; a reasonable profit floor space index is 420 percent. The Jungoe Park balance floor space index is 327 percent; a reasonable profit floor space index is 400 percent. Third, to facilitate the business of special cases in deliberating, Bongsan Park should change its second class general residential area. Jungoe Park must change the quasi-residential area and semi-residential area. Mareuk Park must change the general commercial area. In this way, the feasibility of promoting private park projects will be improved.

Comparison both Physicochemical Environment and Distribution of Hydrophytes in Rivers of Downtown Gwangju Metropolitan City (광주광역시 도심 하천의 이화학적 환경과 수생식물 분포 비교연구)

  • Lim Dong Ok;Ryu Youn Mi;Hwang In-Chun
    • Korean Journal of Environmental Biology
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    • v.23 no.2 s.58
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    • pp.120-128
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    • 2005
  • This study was compared the flora and distribution of hydrophytes with physicochemical environment in the 14 sites selected in Yeongsan River through Gwangju Metropolitan city from March to October, 2003. In this survey, hydrophytes were classified 94 taxa; 35 families, 68 genera, 85 species and 9 varieties. It was compared the physicochemical characters with the hydrophytes distribution in each stream according to the index of contamination. Persicaria japonica and Rumex crispus were dominated at Youduk-Dong, the most contaminated area. Aquatic contamination sensitive floating-leaved plants and submerged plants were not identified. Hwangroung River and Yeongsan River area were a little contaminated area, appeared to good vegetation such as Phragmites japonica, Persicaria thunbergii and Miscanthus sacchariflorus. The stream of Youduk-Dong, the lower reaches of Gwangju-cheon was not grown with hydrophytes because of contamination by inflow of life sewage; therefore it is required to persevere in the townsmen's efforts for improvement of water environment.

Seroepidemiological Survey of Zoonotic Diseases in Small Mammals with PCR Detection of Orientia tsutsugamushi in Chiggers, Gwangju, Korea

  • Park, Jung Wook;Chung, Jae Keun;Kim, Sun Hee;Cho, Sun Ju;Ha, Yi Deun;Jung, So Hyang;Park, Hye Jung;Song, Hyun Jae;Lee, Jung Yoon;Kim, Dong Min;Pyus, Jah;Ha, Dong Ryong;Kim, Eun Sun;Lee, Jae Il
    • Parasites, Hosts and Diseases
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    • v.54 no.3
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    • pp.307-313
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    • 2016
  • Serosurveillance for zoonotic diseases in small mammals and detection of chiggers, the vector of Orientia tsutsugamushi, were conducted from September 2014 to August 2015 in Gwangju Metropolitan Area. Apodemus agrarius was the most commonly collected small mammals (158; 91.8%), followed by Myodes regulus (8; 4.6%), and Crocidura lasiura (6; 3.5%). The highest seroprevalence of small mammals for O. tsutsugamushi (41; 26.3%) was followed by hantaviruses (24; 15.4%), Rickettsia spp. (22; 14.1%), and Leptospira (2; 1.3%). A total of 3,194 chiggers were collected from small mammals, and 1,236 of 3,194 chiggers were identified with 7 species of 3 genera: Leptotrombidium scutellare was the most commonly collected species (585; 47.3%), followed by L. orientale (422; 34.1%), Euchoengastia koreaensis (99; 8.0%), L. palpale (58; 4.7%), L. pallidum (36; 2.9%), Neotrombicula gardellai (28; 2.3%), and L. zetum (8; 0.6%). L. scutellare was the predominant species. Three of 1,236 chigger mites were positive for O. tsutsugamushi by PCR. As a result of phylogenetic analysis, the O. tsutsugamushi strain of chigger mites had sequence homology of 90.1-98.2% with Boryong. This study provides baseline data on the distribution of zoonotic diseases and potential vectors for the development of prevention strategies of vector borne diseases in Gwangju metropolitan area.

Characteristics and recent changes of the Hanbok industrial cluster in Gwangju, Korea (광주 한복산업 집적지의 특성과 최근 변화)

  • Heo, Seung-Yeun;An, Myung-Sook
    • Journal of the Korea Fashion and Costume Design Association
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    • v.21 no.3
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    • pp.161-172
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    • 2019
  • This study examines the characteristics and recent changes of the Hanbok industrial cluster in Gwangju Metropolitan City, in order to understand the problems in the activation of the Hanbok industry and to seek future policies. A total 32 companies comprise the 'Small Manufacturer Specialized Support Center of Hanbok' and were surveyed with a 41 questions with questions in four categories. The Gwangju Hanbok area has been in existence for more than 40 years and was composed of small groups of one or two manufacturers. They are experiencing the same difficulties as other Hanbok clusters, such as the aging of workers, the downturn of dress culture, and changing consumption paradigms. However, since 2015, various efforts have been made in order to seek countermeasures to cope with such difficulties, particularly with the foundation of the 'Small Manufacturer Specialized Support Center of Hanbok' with the support of the Ministry of Small Venture Business. This study focuses on the alterations in the current Hanbok industry due to the IT industrialization as well as the changes in the locations of the Hanbok clusters due to the revitalization of old towns by local governments., The results providing an opportunity to appreciate the problems therein and seek the solutions. Small manufacturers of the Hanbok cluster are trying to improve their entrepreneurship, digital technology application, and knowledge in accordance with the socio-economic trends, but they have limitations to practically apply it to business, barely keeping the minimum production base. The central government and the Gwangju should reinforce and expand the support for marketing and public relations for the Hanbok to foster the designer population, to establish mutual brands, to raise brand awareness, and to promote the technological perfection of the individual businesses, to allow them to cope with the current market trends, in order for the technological development and firm settlement of the local Hanbok industrial cluster.

Prediction of changes in fine dust concentration using LSTM model

  • Lee, Gi-Seok;Lee, Sang-Hyun
    • International journal of advanced smart convergence
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    • v.11 no.2
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    • pp.30-37
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    • 2022
  • Because fine dust (PM10) has a close effect on the environment, fine dust generated in the climate and living environment has a bad effect on the human body. In this study, the LSTM model was applied to predict and analyze the effect of fine dust on Gwangju Metropolitan City in Korea. This paper uses prediction values of input variables selected through correlation analysis to confirm fine dust prediction performance. In this paper, data from the Gwangju Metropolitan City area were collected to measure fine dust. The collection period is one year's worth of data was used from january to December of 2021, and the test data was conducted using three-month data from January to March of 2022. As a result of this study, in the as a result of predicting fine dust (PH10) and ultrafine dust (PH2.5) using the LSTM model, the RMSE was 4.61 and the test result value was as low as 4.37. This reason is judged to be the result of the contents of the one-year sample.

The Proposal of Development Types and Housing Forms for Urban Residential Area, Considering Urban Site Conditions - A Case Study of Gwangju City - (도시 주거지의 부지여건별 개발방법과 주택형식 제안 - 광주광역시 사례 연구 -)

  • Yoon, Yong-Suk;Yang, Woo-Hyun
    • Journal of the Korean housing association
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    • v.21 no.6
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    • pp.143-154
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    • 2010
  • The purpose of this study is to propose a new development method for urban residential area, considering the urban site and development conditions rather than just meeting the development limit and regulations. Gwangju Metropolitan city is investigated as a case city and the new method verifies a decision process of pertinent development types and housing forms in urban blocks. The consequences of this study are summarized as follows. The process of a new development method consists of four steps; First, current conditions of the residential area of Gwangju are analysed in order to find out the site characteristics and housing development situations. And the theoretical research is made to set up the development goals and objectives, regarding current trends and future paradigms of residential development. Next, the suitable development sites are selected, and their site characteristics and relevant development types for the future are compared and matched with a close analysis. Finally some pertinent housing forms for each development site are suggested, which fit well in terms of urban context and are appropriate for building up sustainable city in the future.

Establishment Strategy for R&D Special District in Gwangju Area (광주지역 연구개발특구 육성방안에 관한 연구)

  • Lee, Jeong-Rock;Kim, Jae-Chul
    • Journal of the Korean association of regional geographers
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    • v.13 no.1
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    • pp.104-117
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    • 2007
  • According to the evolution of knowledge based economy, the expansion of significance of high-tech and technical innovation, in recent, many of local government of Korea have concern on the establishment and promotion of new growth power such as technopolis, science park, and innovative clusters for regional development. This study focuses on the establishment strategy for R&D special district in Gwangju area. Gwangju area have many potentials in several dimensions; comfortable physical environment, new agglomeration of photonics and household electric industry, the existence of excellent research related manpower, the strong networking with universities, laboratories, and firms. In addition, the establishment of R&D special district in Gwangju area will be provide positive effects in the increase of competitiveness of state, balanced development between regions, revitalization and development of southwestern area, and establishment of innovative clusters for regional development. However, in order to promote and establish the R&D special district of Gwangju area, central and local governments have to concern with some improvements such as the construction of R&D related infrastructure, the strengthening of research activities of research institutes, the building of cluster of strategic industries of Gwangju area, the supporting system for the revitalization of R&D special district.

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Application of MODIS Satellite Observation Data for Air Quality Forecast (MODIS 인공위성 관측 자료를 이용한 대기질 예측 응용)

  • Lee, Kwon-Ho;Lee, Dong-Ha;Kim, Young-Joon
    • Journal of Korean Society for Atmospheric Environment
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    • v.22 no.6
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    • pp.851-862
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    • 2006
  • Satellites have been valuable tool for global/regional scale atmospheric environment monitoring as well as emission source detection. In this study, we present the results of application of satellite remote sensing data for air quality forecast in Seoul metropolitan area. AOT (Aerosol Optical Thickness) data from TERRA/MODIS (Moderate Resolution Imaging Spectre-radiometer) satellite were compared to ground based $PM_{10}$ mass concentrations, and used to estimate the possibility of the aerosol forecasting in Seoul metropolitan area. Although correlation coefficient (${\sim}0.37$) between MODIS AOT products and surface $PM_{10}$ concentration data was relatively low, there was good correlation between MODIS AOT and surface PM concentration under certain atmospheric conditions, which supports the feasibility of using the high-resolution MODIS AOT for air quality forecasting. The MODIS AOT data with trajectory forecasts also can provide information on aerosol concentration trend. The success rate of the 24 hour aerosol concentration trend forecast result was about 75% in this study. Finally, application of satellite remote sensing data with ground-based air quality observations could provide promising results for air quality monitoring and more exact trend forecast methodology by high resolution satellite data and verification with long term measurement dataset.

A Basic Study on Urban Regeneration in Gwangju-City Using GIS (GIS를 활용한 광주광역시 도시재생방향에 대한 기초연구)

  • Lee, Min-Seok
    • Journal of the Korean housing association
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    • v.26 no.1
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    • pp.99-107
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    • 2015
  • The purpose of this study is to present an appropriate approach to urban regeneration by analyzing Gwangju Metropolitan City. For the study, residential area of Asia Culture Complex was analyzed based on GIS. The areas concerned were categorized and looked into by their Situation based on the analysis of urban infrastructure state. However, as the architectural space within a city are limited, and accurate assessment of them is needed. The residential areas have the following characteristics. They become an aging and dilapidating residential and socially underprivileged-concentrated area. It is necessary to set up a direction for a future-oriented planning for the development of these areas. Along with a decreasing population, it is important to improve the urban architecture environment for the elderly in an aging society. The economic growth of a city if necessary for the future. Therefore, the criteria for the assessment is required. And the subsequent setting-up and planning of a future direction for a city is badly needed. After that, an accurate assessment of a city called for. City space allows for various interpretations. As the rich are getting richer and the poor are getting poorer, a wealth is concentrated on one district or an area.