• 한국태양에너지학회 논문집
• /
• 제27권2호
• /
• pp.95-101
• /
• 2007

The surface changes due to urban expansion and the increase of artificial heat releases have brought significant climate changes such as heat island phenomenon in urban area. Furthermore, these changes also have brought serious problems such as air temperature increase, wind changes, and air pollution in urban area. Comprehensive analytical technologies considering various effects are required to analyse complicated mechanism of climate changes, and review the efficient measures. In this research, the effect of the urban expansion in Tokyo and Bangkok area on urban environment will be discussed. By using CFD, urban development and the mechanism of global warming and wind change are studied in those two cities. As a result of numerical research, the surface changes of city could bring the environmental changes in urban area.

• 한국태양에너지학회:학술대회논문집
• /
• 한국태양에너지학회 2009년도 추계학술발표대회 논문집
• /
• pp.181-184
• /
• 2009

This study aimed at framing alternative urban planning scenarios reflecting urban planning factors, performing urban climate simulation and evaluating eco-friend and low energy characteristics of each scenario on the viewpoint of urban temperature and energy savings on the target of the costal city including Haeundae District in Busan The results are as follows. 1)The fact that urban higher temperature is approximately 2.5 times higher in the building constructed area than whole urban area was represented severe higher temperature phenomenon in the built-up area. Ground greening, water scenario and soil scenario could be expected peek air temperature alleviating effect in order. Especially water scenario had significant effect(maximum $2.5^{\circ}C$) on lowering of air temperature.

• 대한안전경영과학회지
• /
• 제18권4호
• /
• pp.1-9
• /
• 2016

In recent years, urban areas occurred several times a sinkhole. In Korea, this limestone area where the sink hole sink holes occur based on not much was seen as a very rare phenomenon. However, the occurrence of accidents in recent Subsidence and urban areas is occurring in the limestone sinkhole may yet see another one called artificial Subsidence phenomenon. Subsidence in urban areas can have various causes, such as depression groundwater level changes due to the influence of soil, underground, etc. underground utilities by anthropogenic actions. But a lot of research on natural sinkhole by geological experts continued steadily since the past Subsidence that occurred in recent years the city has become an urgent problem to formulate a countermeasure to be very concerned about the human and material damage. In this study, the city by analyzing existing research on the causes and countermeasures of Subsidence recently released look at the announced sinkhole, published statistics and cases of Subsidence data, and overseas corresponding practices in each relevant agencies and to suggest measures for local Subsidence.

• 농촌지도와개발
• /
• 제22권2호
• /
• pp.191-203
• /
• 2015

The purposes of this study are to explain the background and significance of the 'Farmers' upstairs'(農民上樓) phenomenon which has been currently promoted as part of the "New Socialist Countryside Construction" in contemporary China, and its positive and negative aspects, and analyze the limitations of 'Farmers' upstairs'phenomenon. 'Farmers' upstairs'means the building of concentrated farmhouses by means of reconstruction of scattered farmhouses here and there, simultaneously by installing cultural, social welfare, and environmental facilities where rural farmer also could enjoy the convenience of urban living. It brings, however, the positive effects such as the improvement of living conditions of rural farmers, the simultaneously expanding of urban construction land and agricultural land, and the new influx of population from urban areas, whiles the negative effectives such as the forced demolition of farmhouses by governments or real estate developers with very lower compensation costs for the demolition of farmhouses, the gap from the standard of living, and above all, the inconvenience caused by the living in a multi-stories building in the rural villages. As a result, it is pointed out that the ongoing 'Farmers' upstairs', promoted as a kind of rural movement beyond a phenomenon, has similarities with the Rural Cooperative Movement(農村合作化運動) of Mao Zedong era(1953-61), namely the People's Commune Movement(人民公社運動) finally failed.

• Asian review of World Histories
• /
• 제3권1호
• /
• pp.113-135
• /
• 2015

The word 'urbanity' literally means 'quality or state of being urban' where the criterion of urban economic and civic culture is assumed despite the general celebration of cultural uniqueness of urban centers. The narratives celebrating the uniqueness of urban centers since the ancient past till recent times could not get rid of the broad categorization of the urban models depending on their contextual networks of trade, mobility and culture. This paper attempts to explore whether the urban cultures in South Asia even preceding a global phenomenon like colonialism were actually reflecting an idea of urbanity where the urban culture, including planning and architecture reflected a trans-national model. This paper particularly concentrates on the medieval period when a pattern of urbanity took shape in this subcontinent under the influence of Islam, which could be explained by its particular idea of urban model, cultural exchange and vibrant trade networks.

• World Technopolis Review
• /
• 제7권2호
• /
• pp.97-112
• /
• 2018

The notion of smart cities, presently, is a highly popular topic in urban policy circles. This concept is adopted by many cities across the world-with an aim of increasing urban smartness in various ways and areas. Productivity, innovation, liveability, wellbeing, accessibility, sustainability, governance, planning, and citizen participation are among these areas. Despite good policy intentions, smart city initiatives in practice had only limited impact in delivering the desired urban outcomes. This paper aims to investigate the smart city phenomenon and its planning practice approaches from an evolutionary perspective. The study places smart city plans and strategies of a number of cities across the globe under the microscope. The findings reveal that current smart city efforts are not adequate to combat the challenges of the Anthropocene epoch-that is already upon us. This paper concludes with a consolidated definition of smart and sustainable cities and considerations for moving towards Post-Anthropocentric urbanism-that is truly smart and sustainable urbanism-to avoid an imminent urban ecocide.

• Journal of Forest and Environmental Science
• /
• 제34권3호
• /
• pp.246-248
• /
• 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.

• 지역연구
• /
• 제39권3호
• /
• pp.3-12
• /
• 2023

본 연구에서 다루게 될 도시계획 이슈는 도시화 과정에서 흔히 부정적인 스프롤 현상의 물리적 형태 중 하나로 인식되는 도시 파편화 지역들과 도시 열현상의 관계성으로 설정하였다. 연구목적은 시가화 지역 Entropy와 열 현상과의 관계성을 국내 5개 주요 도시 사례를 통해 살펴보는 것이다. 연구대상지 토지피복자료 촬영시기와 동일한 해인 2018년 7월 여름 기상자료를 바탕으로 InVEST Urban Cooling Model을 이용하였고, MSPA(Morphological Spatial Pattern Analysis) 모형을 이용하여 Entropy를 계산하였다. 주요결과로 첫째, Entropy와 Cooling Capacity Index(CCi) 순위 상관성은 낮은 순위 상관성을 보이고 있다(rho=-0.3). 둘째, Entropy와 Average temperature(℃) 사이에는 매우 높은 수준의 순위 상관성이 관찰된다(rho=0.9). 연구함의는 첫째, 난개발 정도가 큰 도시는 도시 열 현상에 부정적일 수 있다는 점이다. 둘째, 오픈스페이스의 성격을 갖는 비시가화 지역의 분산·집중 등의 토지이용 공간 구성이 도시 열환경에 영향을 미칠 수 있음을 의미한다. 본 연구는 일부 사례지역에 한정되어 진행되었다는 점에서 시가화 지역 Entropy와 열 현상 사이에서 일반화가 아닌 가능성이 관찰되고 있음으로 이해하는 것이 적절하다.

• 한국측량학회지
• /
• 제39권6호
• /
• pp.571-585
• /
• 2021

도시의 쇠퇴를 판단하고자 하는 다양한 연구가 진행되었지만 대부분의 연구에서는 쇠퇴도시의 일반적인 특성을 활용하여 보편적인 수준에서의 도시쇠퇴를 분석하였다. 하지만 도시의 쇠퇴는 특정 도시의 고유한 특성에 기반하여 발생하기 때문에 이를 고려해야한다. 또한 도시쇠퇴는 미세 공간에서 발생하고 확산하는 양상을 보이기 때문에 작은 단위의 공간을 연속적으로 분석해야한다. 본 연구는 울산광역시를 대상으로 지역적 특성을 고려한 도시쇠퇴 측정 모델을 개발하고, 이를 활용하여 울산광역시의 도시쇠퇴를 시간적·공간적으로 분석하는 것을 목적으로 한다. 지역적 특성을 모델에 반영하기 위하여 전국 평균대비 울산광역시의 지표값을 계산하여 이를 가중치에 반영한다. 또한 행정동 단위로 도시쇠퇴를 분석한 후 보다 작은 단위 공간에 대한 분석을 수행하기 위하여 공간적 계층구조를 활용해 집계구 단위로 도시쇠퇴를 분석한다. 모델을 활용하여 산출된 지수와 울산광역시의 사회현상을 연관지어 도시쇠퇴 패턴을 분석한 결과 도시쇠퇴가 군집을 이루며 시간이 흐를수록 인접지역으로 확산하는 형태를 보였다. 또한 신도심의 발생, 도시재생사업 등 도시 외적인 요소가 도시쇠퇴에 영향을 주고 있음을 확인하였다. 본 연구에서 활용한 도시쇠퇴측정모델을 통해 도시의 쇠퇴와 심각도를 파악함으로써 도시재생사업 필요지역의 우선순위를 제시할 수 있을 뿐만 아니라 진행중이거나 완료된 도시재생사업의 효과를 검정할 수 있다.

• 한국콘텐츠학회:학술대회논문집
• /
• 한국콘텐츠학회 2003년도 추계종합학술대회 논문집
• /
• pp.436-439
• /
• 2003

도시화는 전 세계적인 현상이며 우리나라 역시 급속한 도시화를 경험하고 있다. 도시와 관련된 공간의사결정과정에서 미래의 도시형태를 객관적인 모델에 의해 예측하는 것은 토지의 효율적인 이용을 추구한다는 점에서 대단히 의미있는 일일 것이다. 본 연구에서는 도시인구와 도시면적사이의 생장생장이론에 기초하여 도시성장모델을 개발하였다. 모델의 입력데이터는 수치지도를 비롯한 공간데이터를 처리하여 생성하였으며, 래스터 GIS분석기법을 이용하여 정확도를 평가하였다. 본 연구의 결과물인 도시성장예측데이터는 물리적인 측면만을 이용해 제작되었으므로 사회ㆍ경제ㆍ정치적인 면까지를 고려하여 결정될 미래의 공간의사결정과정에서 기초데이터로 사용될 수 있을 것이다.