• 제목/요약/키워드: Urban population

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The Environmental Implication of Metropolitan Expansion in Asian Cities : The Role of Planning Practices toward Sustainable Urban Development in Asia

  • 권창기
    • 환경정책연구
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    • 제2권2호
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    • pp.1-16
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    • 2003
  • This paper focuses on examining environmental implications embedded in recent spatial expansion of the Asian megacities as well as exploring the potentials of planning practices in addressing urban environmental problems. Regardless what underlying forces of recent metropolitan expansion are, nearly all the Asian megacities suffer serious environmental problems as these cities rapidly grow in terms of population and geographical boundaries. Furthermore, the global environmental implication of urban expansion at Asian megacities implies that there must be intense endeavor to develop more innovative policy solution in order to tackle down the worsening urban environmental problems in Asian cities at a metropolitan scale. Given the situation that there has been little attention on environmental consequence of the Asian metropolitan expansion in spatial term, this paper presents the overview on the changing nature of urban environmental problems embedded in the spatial expansion of recent metropolitan area in Asia, along with exploring possible solutions from planning practices guiding sustainable urban development in Asia.

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Descriptive Report on Pattern of Variation in Cancer Cases within Selected Ethnic Groups in Kamrup Urban District of Assam, 2009-2011

  • Sharma, Jagannath Dev;Kalita, Manoj;Barbhuiya, Jamil Ahmed;Lahon, Ranjan;Sharma, Arpita;Barman, Debanjana;Kataki, Amal Chandra;Roy, Barsha Deka
    • Asian Pacific Journal of Cancer Prevention
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    • 제15권15호
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    • pp.6381-6386
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    • 2014
  • Background: The global burden of cancer is continuously increasing. According to recent report of the National Cancer Registry Programme (NCRP) on time trends it is estimated that future burden of cancer cases for India in 2020 will be 1,320,928. It is well known that knowledge of the incidence of cancer is a fundamental requirement of rational planning and monitoring of cancer control programs. It would help health planners to formulate public health policy if relevant ethnic groups were considered. North East-India alone contains over 160 Scheduled Tribes and 400 other sub-tribal communities and groups, whose cancer incidence rates are high compared to mainland India. As since no previous study was done focusing on ethnicity, the present investigation was performed. Materials and Methods: In this paper PBCR-Guwahati data on all cancer registrations from January 2009 to December 2011 for residents of the Kamrup Urban District, comprising an area of 261.8 sq. km with a total population of 900,518, including individual records with information on sex, age, ethnicity and cancer site are provided. Descriptive statistics including age adjusted rates (AARs) were taken as provided by NCRP. For comparison of proportional incidence ratios (PIR) the Student's t test was used, with p<0.05 considered as statistically significant. Results and Conclusions: Differences in leading sites of Kamrup Urban District since from the beginning of the PBCR-Guwahati were revealed among different ethnic groups by this study. The results should help policy makers to formulate different strategies to control the level of burden as well as for treatment planning. This study also suggests that age is an important factor of cancer among different ethnic populations as well as for overall population of Kamrup District of Assam.

미얀마 인구이동 패턴과 결정요인 분석 (The Pattern of Regional Migration in Myanmar)

  • 최영준;이가은
    • 국제지역연구
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    • 제21권4호
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    • pp.125-139
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    • 2017
  • 본 연구는 미얀마의 지역 간 인구이동의 결정요인과 패턴을 분석한다. 인구이동은 경제적 요인과 사회적 요인뿐만 아니라 지역적 특성 등 다양한 요인에 의해 영향을 받는다. 소득과 취업 그리고 사회간접자본과 같은 요소에 의해 영향을 받는다. 따라서 본 연구는 다음의 두 가지 연구문제를 분석하려고 한다. 첫째로, 미얀마의 개혁과 개방으로 농촌에서 도시로의 인구이동이 일어나고 있는 지 분석하려고 한다. 미얀마에서도 다른 개도국들이 경험했던 인구이동의 패턴이 발생하는 지를 검증하려고 한다. 둘째로, 미얀마의 인구이동에 사회간접자본이 미치는 영향을 분석한다. 도로, 전기, 수도 등 기본적 사회간접자본이 인구이동에 미치는 영향을 분석한다. 이는 지역 균형 발전을 위한 사회간접자본의 투자 정책 결정에 시사점을 줄 것이다. 분석결과 첫째로, 미얀마의 인구이동 패턴은 다른 개도국이 경험한 것과 같이 농촌에서 도시지역으로의 인구이동이 일어나고 있다. 미얀마의 도시지역인 양곤과 만달레이 지역으로 인구이동이 이루어지고 있는 것으로 분석되었다. 둘째로 도로를 비롯한 사회간접자본은 인구를 흡입하는 능력이 있는 것으로 분석되었다. 셋째로, 취업기회는 미얀마 인구이동에 가장 큰 영향을 미치는 것으로 분석되었다. 경제개발 초기 단계이지만 해외 자본이 들어오고 있는 상황에서 취업의 기회가 높은 지역으로 인구가 이동하는 것으로 분석되었다. 이는 해외자본을 통해서 경제개발이 이루어지고 있는 상황에서 해외자본의 유입의 방향과 지역의 발전의 불균형 정도가 결정될 것으로 분석된다.

지리정보시스템과 원격탐사자료를 이용한 도시공간구조의 파악 -대구광역권 사례연구- (Identifying Urban Spatial Structure through GIS and Remote Sensing Data -The Case of Daegu Metropolitan Area-)

  • 김재익;권진휘
    • 한국지리정보학회지
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    • 제12권2호
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    • pp.44-51
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    • 2009
  • 본 연구는 지리정보시스템과 원격탐사자료를 이용하여 도시공간구조를 파악하는데 목적이 있다. 특히 본 연구는 거대도시와 중소도시의 중간규모인 대도시의 공간구조를 대구광역시와 그 주변지역을 단위로 하는 대구광역권을 사례지역으로 선정하였다. 도시구조는 인구 및 직업밀도를 기준으로 분석하였다. 이 분석을 위하여 1995, 2000, 2005년도의 Landsat TM 5 위성영상자료를 지리정보시스템과 연계하여 피복분석을 통하여 활용되었다. 공간구조는 인구밀도와 직업밀도의 거리조락함수를 추정함으로써 파악되었다. 분석결과 대구광역권의 차원에서는 단핵도시구조를 보이고 있다. 그러나 단핵도시모형의 설명력이 점차 감소하는 점, 부도심의 형성 및 성장 등의 추세를 감안하면 분석범위를 대구광역시에 한정할 경우 다핵심도시구조로 이행하고 있다.

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도시생태계 수목의 대기정화 역할 -용인시를 사례료- (Role of Atmospheric Purification by Trees in Urban Ecosystem -in the Case of Yongin-)

  • 조현길;안태원
    • 한국조경학회지
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    • 제29권3호
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    • pp.38-45
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    • 2001
  • This study quantified annual $CO_2$, SO$_2$ and NO$_2$ uptake and annual $O_2$ production by trees in Yongin´s urban ecosystem, and explored values of urban tree plantings in atmospheric purification. Woody plant cover was only 7.7% with planting density of 1. trees/100$m^2$, and the tree-age structure was largely characterized by a young, growing tree population. Annual per capita pollutant emissions from fossil fuel consumption were 7.3t/yr for $CO_2$, 7.6kg/yr for SO$_2$, and 26.6kg/yr for NO$_{x}$. Carbon dioxide storage per unit urban area by trees was 13.1t/ha and the economic value for $CO_2$ storage was ₩6.6millions/ha. Annual atmospheric purification was 2.0t/ha/yr for $CO_2$ uptake, 2.0kg/ha/yr for SO$_2$ uptake, 4.0kg/ha/yr for NO$_2$ uptake and 1.5t/ha/yr for $O_2$ production, and the annual economic value for the atmospheric purification was ₩1.5millions/ha/yr. Urbantrees stored an amount of $CO_2$ equivalent to about 3.1% of the total annual $CO_2$ emissions, and annually offset total $CO_2$ emissions by 0.5%. Annual SO$_2$ and NO$_2$ uptake by trees equaled 0.5% of total SO$_2$ emissions and 0.3% of total NO$_{x}$ emissions, respectively. Urban trees also played an important role through producing annually 9.2 of the $O_2$ requirement for Yongin´s total population, despite relatively poor tree plantings. Future active plantings and greenspace enlargement in the study city could enhance the role of atmospheric purification by urban trees. The results from this study are expected to be useful in emphasizing environment benefits of urban trees, and in urging the continuous necessity for tree planting and management budget.get.

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보고타와 서울 대도시권간의 지역 성장과 도시프로젝트 관리 비교연구 (Comparative Study of Regional Growth and Urban Project Management between Bogotá and Seoul Metropolitan Area)

  • 바네스 벨라스코;다비드 부르바노 곤잘레스;최준영
    • 토지주택연구
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    • 제10권2호
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    • pp.29-43
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    • 2019
  • 콜롬비아는 가속화된 도시화 과정, 주택 부족 및 도시 개발 가능 토지 부족을 통해 대도시 인구 증가를 가져 왔다. 이러한 문제를 해결하기 위해 콜롬비아 중앙 정부는 Macroprojects와 같은 도시 개발 방법 등을 포함한 대규모 주택도시 개발을 위한 국가 정책을 개발해왔다. 그러나 주택 부족 문제는 여전히 해소되지 않고 있고 인구가 집중된 도시내부 지역은 특히 심각한 실정이다. 본 연구의 목적은 콜롬비아와 한국의 도시 개발 시스템을 비교를 위해 i) 두 국가의 수도권 대도시권을 비대칭적 맥락 방법을 통해 비교분석하고, ii) 양국의 대도시권 도시개발제도의 유사점과 차이점을 비교하고. iii) 마지막으로 한국의 신도시 개발 경험이 보고타 대도시 지역의 도시문제를 해결하기 위한 방안을 제시하였다.

축소도시 특성과 건축물 시가화집중도의 상관성에 관한 연구 - 경북 지자체를 대상으로 - (A Study on Correlation between Shrinkage City Characteristics and the Index of Building Concentration in Urban Area - Related to the Gyeongbuk Local Government -)

  • 정태화;김현수
    • 지적과 국토정보
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    • 제52권2호
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    • pp.35-51
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    • 2022
  • 본 연구는 해당 지자체의 전체 건축물중 시가화구역 내에 건축물이 얼마나 집중하고 있는지를 조사하였고 이를 '건축물 시가화집중도'라는 용어로 처음 사용하였다. 경북의 각 시군에 대하여 건축물 시가화집중도를 조사한 결과 건축물 시가화집중도가 낮을수록 노인인구 비율이 높으며 지자체의 주민 1인당 일반회계 지출액도 많은 것으로 나타났다. 본 연구를 통해 건축물 시가화집중도가 도시쇠퇴 정도와 도시재정의 효율성을 가늠할 수 있는 하나의 지표가 될 수 있음을 확인하였고 향후 축소도시계획 수립에 필요한 기초자료로 활용될 것으로 사료된다.

국내.외 이전적지 활용 사례에 관한 비교연구 (A Comparative Study on the Development Cases of Relocated Urban Sites at Home and Abroad)

  • 이화룡;동재욱;김진수
    • 한국디지털건축인테리어학회논문집
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    • 제11권4호
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    • pp.47-56
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    • 2011
  • In recent years, the change of urban function and the decrease in birth rate have given rise to merge, abolition and relocation of the existing building in cities. This study explores the possibilities for various land utilizations of relocated urban sites. In doing so, it compares the development methods and the utilization pattern between home and abroad. It analyses the land use categories and the development methodologies of 4 relocated urban sites happened in Seoul and 4 foreign sites. In addition, it analyzes the land utilization after relocation, development principals, area, building usage and changes in land use regulation. Finally, it proposes the directions for developing relocated site and each of roles among the parties concerned. This study concludes that it is available to exploit the relocated urban sites by the variety of development methodologies, especially in a metropolis like Seoul.

Thermal Infrared Remote Sensing Data Utilization for Urban Heat Island and Urban Planning Studies

  • 이혜경
    • 한국BIM학회 논문집
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    • 제7권2호
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    • pp.36-43
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    • 2017
  • Population growth and rapid urbanization has been converting large amounts of rural vegetation into urbanized areas. This human induced change has increased temperature in urban areas in comparison to adjacent rural regions. Various studies regarding to urban heat island have been conducted in different disciplines in order to analyze the environmental issue. Especially, different types of thermal infrared remote sensing data are applied to urban heat island research. This article reviews research focusing on thermal infrared remote sensing for urban heat island and urban planning studies. Seven studies of analyses for the relationships between urban heat island and other dependent indicators in urban planning discipline are reviewed. Despite of different types of thermal infrared remote sensing data, units of analysis, land use and land cover, and other dependent variable, each study results in meaningful outputs which can be implemented in urban planning strategies. As the application of thermal infrared remote sensing data is critical to measure urban heat island, it is important to understand its advantages and disadvantages for better analyses of urban heat island based on this review. Despite of its limitations - spatial resolution, overpass time, and revisiting cycle, it is meaningful to conduct future research on urban heat island with thermal infrared remote sensing data as well as its application to urban planning disciplines. Based on the results from this review, future research with remotely sensed data of urban heat island and urban planning could be modified and better results and mitigation strategies could be developed.

Understanding the LST (Land Surface Temperature) Effects of Urban-forests in Seoul, Korea

  • Kil, Sung-Ho;Yun, Young-Jo
    • Journal of Forest and Environmental Science
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    • 제34권3호
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    • pp.246-248
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    • 2018
  • Urban development and population have augmented the increase of impervious land-cover. This phenomenon has amplified the effects of climate change and increasing urban island effects due to increases in urban temperatures. Seoul, South Korea is one of the largest metropolitan cities in the world. While land uses in Seoul vary, land cover patterns have not changed much (under 2%) in the past 10 years, making the city a prime target for studying the effects of land cover types on the urban temperature. This research seeks to generalize the urban temperature of Seoul through a series of statistical tests using multi-temporal remote sensing data focusing on multiple scales and typologies of green space to determine its overall effectiveness in reducing the urban heat. The distribution of LST values was reduced as the size of urban forests increased. It means that changing temperature of large-scale green-spaces is less influenced because the broad distribution could be resulted in various external variables such as slope aspect, topographic height and density of planting areas, while small-scale urban forests are more affected from that. The large-scale green spaces contributed significantly to lowering urban temperature by showing a similar mean LST value. Both of concentration and dispersal of urban forests affected the reduction of urban temperature. Therefore, the findings of this research support that creating urban forests in an urban region could reduce urban temperature regardless of the scale.