• Title/Summary/Keyword: Urban Problems

Search Result 1,818, Processing Time 0.035 seconds

A Study on the Comparative Survey and Improvement of Human Error Risk Factors in Urban Railway Driver (도시철도 기관사의 인적오류 위험 비교조사 및 개선방안 연구)

  • Kim, D.W.;Lee, H.S.
    • Journal of The Korean Society For Urban Railway
    • /
    • v.6 no.4
    • /
    • pp.259-268
    • /
    • 2018
  • To reduce conducted a survey on human error risk factors and related experience frequency to drivers of Seoulmetro and Korail. The human error arising from systems operating urban railway aimed at eliminating and reducing the fundamental causes of urban rail accidents is based on research from a factorial point of view, since it contains problems dealing with the types and situations of accident generation. It is required to contribute to reducing human error so that urban railway accidents may be reduced and safe operation will be continuedly seared.

Delineation of the evacuation route plan, relief camp and prioritization using GIScience

  • Joy, Jean;Kanga, Shruti;Singh, Suraj Kumar;Sudhanshu, Sudhanshu
    • Advances in environmental research
    • /
    • v.10 no.1
    • /
    • pp.1-15
    • /
    • 2021
  • Rising urban flood patterns are a universal phenomenon and a significant challenge for city government and urban planners worldwide. Urban flood problems range from relatively localized incidents to substantial incidents, which lead to cities being flooded for a few hours to several days. Therefore, the effect may be widespread, such as the temporary displacement of individuals, disruption to civic facilities, water quality degradation and the possibility of epidemics. The problems raised by urban flooding are highly challengeable and compound by ongoing climate change, with adverse implications for changes in rainfall and gaps in intra-urban rainfall distribution. Unplanned construction and invasions of large houses along rivers and watercourses have interfered in natural rivers and watercourses. As a result, the runoff has risen in proportion to the urbanization of the urban floods. The location of the relief camp and the priority for evacuation were determined, and the safest route to avoid floods were established. This method can be used for emergency planning in future flood incidents, and it will help plan disaster preparedness for Panchayat. This study will promote the flood plain's potential use for disaster management and land use planning virtually.

Studies on the Improvement of Privately Owned Public Space for the Betterment of Urban Streetscape (도시 가로 환경 향상을 위한 공개공지 개선방안)

  • Park, J.L.;Kwon, Y.H.
    • Journal of Practical Agriculture & Fisheries Research
    • /
    • v.15 no.1
    • /
    • pp.107-121
    • /
    • 2013
  • This study was developed to investigate the effects of privately owned public space (POPS) on urban streetscape and to find ways to prevent the discontinuation of street continuity on urban landscape when creating POPS in urban space and the surrounding streets. Several case studies and policies and laws related to POPS were reviewed to identify the practical problems as well as current state. An additional analysis was conducted on the different types of POPS to examine spatial connections between them and streetscapes and to find ways to improve POPS on urban streetscape. Our results show that POPS surrounding a building (i.e. frontage space and adjacent sidewalks) should be considered as one space in the integrated perspective. In addition, the type of facilities installed on POPS would be decided according to whether POPS is recognized as the part of public rest area or treated as the part of street. The results of the study will serve as useful data to solve the current problems with city's POPS, which destroys spatial continuity by focusing on increasing the number of POPS and creates high-rise buildings isolated from existing spaces. This study will also contribute to improve the quality of future POPS.

A Study on the Relation between Contemporary Urban Theories and Discourse of Language (현대 도시이론과 언어담론의 상관관계에 관한 연구 -근대 도시이론과 현대 도시이론의 비교를 통해서-)

  • Jung, Inha
    • Journal of architectural history
    • /
    • v.12 no.3
    • /
    • pp.65-86
    • /
    • 2003
  • After 1960s, a radical change was taken place in the modern urban theories which were developped by many architects and planners like Ebenezer Howard, Tony Garnier, Le Corbusier, Ludwig Hiberseimer, and Patrick Abercrombie. Many contemporary architects like Kevin Lynch, Aldo Rossi, Christopher Alexander, Colin Rowe, Rem Koolhaas, and Bernard Tschumi have a view that modern urban theories lost their abilities to organize and control new realities so that new urban theories was needed in order to cope with urban problems in the 1960s. In this study, we are to examine contemporary urban theories in comparison with modern urban theories and to clarify the role of discourse of language in its emergence. In consequence we can detect four main themes in the process of transformation from modern urban theories to contemporary urban theories : from functionalism to formalism, from historicism to archeology, from space to placeness, and from hierarchical organization to network. And we can prove that such themes basically depend on the discourse of language.

  • PDF

The Openness and Protection of Urban Wetland Park - A Case Study of Nanhu National Urban Wetland Park, Tangshan

  • Liu, Beiguang;Hao, Yu;Cho, Tae-Dong
    • Journal of Environmental Science International
    • /
    • v.23 no.12
    • /
    • pp.2101-2106
    • /
    • 2014
  • The urban wetland park is an indispensable part of an ecological city. It has aroused widespread attention and even quickly planning and construction around the country. But, in terms of the nature of the urban wetland park, there is a contradiction between the protection of urban wetland resources and the openness of the urban park for public. This article starts with the necessity for construction of urban wetland park, more over expound the existent problems between the protection and openness of the urban wetland park and to propose appropriate measures through the case study on Nanhu National Urban Wetland Park, Tangshan.

Change of Thermal Environment with Urban Expansion (도시 확장에 따른 온열환경의 변화)

  • Kim, Sang-Jin
    • Journal of the Korean Solar Energy Society
    • /
    • v.27 no.2
    • /
    • 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.

Land Cover Change and Urban Greenery Prediction in Jabotabek by using Remote Sensing

  • Zain, Alinda-Medrial;Takeuchi, Kazuhiko;Tsunekawa, Atsushi
    • Journal of the Korean Institute of Landscape Architecture International Edition
    • /
    • no.1
    • /
    • pp.59-66
    • /
    • 2001
  • The tremendous growth of population and physical development in the largest urban agglomeration in Indonesia -the Jakarta Metropolitan Region, also known as Jabotabek (Jakarta, Bogor, Tanggerang, Bekasi)- has created many environmental problems, such as land use conversion, increasing urban temperature, water and air pollution, intrusion of seawater, and flooding. These problems have become more serious as the urban green space (trees, shrubs, and groundcovers) has decreased rapidly with the urbanization process. Urban green space directly benefits the urban environment through ameliorating air pollution, controlling temperature, contributing to the balance of the hydrological system, and providing space for recreation and relaxation. Because there is little hard data to support the claim of decreasing greenery in Jabotabek, it is necessary to measure the amount of urban green space. The paper describes the spatial analysis of urban green space within Jabotabek through the use of a geographical information system (GIS). We used GIS and remote sensing to determine land cover change and predicted greenery percentage. Interpretation of Landsat data for 1972, 1983, 1990, and 1997 showed that Jabotabek has experiences rapid development and associated depletion of green open space. The proportion of green open space fell by 23% from 1972 to 1997. We found a low percentage of urban green space in the center of Jakarta but a high percentage in fringe area. The amount of greenery is predicted by the Ratio Vegetation Index (RVI) model: predicted greenery (%) = [146.04] RVI - 134.96. We consider that our result will be useful for landscape planning to improve the environment of Jabotabek.

  • PDF

The Management Status and Civic Consciousness Analysis on the Urban Forests in Chuncheon (춘천시 도시림의 관리실태 및 시민의식 분석)

  • Kim, Ji-Hun;Choi, In-Hwa
    • Journal of Forest and Environmental Science
    • /
    • v.28 no.1
    • /
    • pp.46-55
    • /
    • 2012
  • The research on urban forests in Chuncheon, so far, has mainly conducted in Ponguisan urban forest. Research on other urban forests in Chuncheon was scarce. Accordingly, in this study, the author chose the main urban forests in Chuncheon and tried to find a way of efficient establishment and management of urban forests in Chuncheon by field and questionnaire survey. The research findings, there were several reasons why effective management can not be implemented in the main urban forests in Chuncheon. To solve these problems and make an efficient establishment and management of urban forests in Chuncheon, the first way is to make forest management plans on the urban forest in Chuncheon and expand administrative organization, personnel and budget. Establishment and management of urban forests needs a practical, strengthened overall management system. The second way is to enhance the regional and functional characteristics for urban forest, expand the area of urban forests, and enhance management of Street trees. The third way is to designate Urban Nature Park or Urban Park for the main urban forests in Chuncheon and need to change the ownership of the urban forests by purchasing. The fourth way is to respond to Chuncheon citizen's preference and their way of utilization when create the urban forests in Chuncheon, expand convenience facilities, relaxation facilities as well.

A Study on the Introduction of Urban Agriculture to Permanently Rental Apartment Complexes

  • Yoon, Eun-Joo;Yoon, Young-Ho
    • Land and Housing Review
    • /
    • v.2 no.2
    • /
    • pp.93-99
    • /
    • 2011
  • Urban agriculture is drawing people's attention along with environmental problems and recent changes in population and society such as the expansion of the aged, and various related discussions are going on for expanding the base. The purpose of this study was to suggest the application of urban agriculture in the permanently rental apartment complex to build a social welfare. Aiming at the introduction of urban agriculture in permanently rental apartment complexes, this study presented the roles and necessities of urban agriculture in response to environmental changes at home and overseas, explained the current state of permanently leased apartment complexes, estimated the land area usable for urban agriculture in existing complexes, and proposed strategies for the introduction of urban agriculture.

Urban Culture Construction in Modern Landscape Architecture;Take the Design of South Bank Linear Park in Meizhou City, Guangdong Province as an Example

  • Wugong, Deng;Jianzhong, Jia;Bingyue, Han
    • Proceedings of the Korean Institute of Landscape Architecture Conference
    • /
    • 2007.10b
    • /
    • pp.30-37
    • /
    • 2007
  • Modern cities are weak in traditional culture with the lack of characteristics and the problem of environmental deterioration. As the important carrier of urban culture, landscape architecture should be responsible for solving these problems. The urban need is paid much attention in the design of South Bank Linear Park in Meizhou city. Following the principle of inheriting and developing urban traditional culture, the design of the whole park is integrated with Hakka culture in Meizhou, which forms the landscape with local features and modern landscape architecture culture, and promotes the urban culture construction.

  • PDF