• Title/Summary/Keyword: Accessibility Map

Search Result 81, Processing Time 0.025 seconds

Accessibility and Spatial Equity of Subway Networks in Seoul (서울시 지하철 네트워크의 접근성과 공간적 형평성)

  • Song, Yena;Lee, Keumsook;Jang, Hanwool
    • Journal of the Economic Geographical Society of Korea
    • /
    • v.22 no.4
    • /
    • pp.513-525
    • /
    • 2019
  • In Seoul, the subway system has been in use since 1974 and is the most frequently used travel mode accounting for approximately 40% of passenger journeys in 2015. As such the subway system is widely adopted by people and therefore, can have great impacts on their everyday life. However, it is easily noted that transit resources are not distributed spatially uniform, in other words, not all parts of the city gain the same benefits from their networks. This study aims to examine the inequity of spatial distribution of subway networks based on accessibility. Accessibility of subway networks are calculated based on the time-distance between stations and then equity is measured using the Gini index. Resulted map of subway accessibility shows that the benefits are not evenly distributed in Seoul with a pattern of highly accessible core - less accessible periphery areas. Also the subway accessibility network has fairer distribution against the employees' distribution rather than the distribution of general population or possibly transit dependent groups.

The Spatial Accessibility of Women in Childbearing Age for Delivery Services in Gangwon-do (강원도 지역 가임기 여성의 분만서비스 접근성 분석)

  • Choi, Soyoung;Lee, Kwang-Soo
    • Health Policy and Management
    • /
    • v.27 no.3
    • /
    • pp.229-240
    • /
    • 2017
  • Background: This study purposed to analyze the spatial accessibility of women in childbearing age to the healthcare organizations (HCOs) providing delivery services in Gangwon-do. Methods: Network analysis was applied to assess the spatial accessibility based on the travel time and road travel distance. Travel time and travel distance were measured between the location of HCOs and the centroid of the smallest administrative areas, eup, myeon, and dong in Gangwon-do. Korean Transport Database Center provided road network GIS (Geographic Information System) Database in 2015 and it was used to build the network dataset. Two types of network analysis, service area analysis and origin-destination (OD)-cost matrix analysis, applied to the created network dataset. Service area analysis defined all-accessible areas that are within a specified time, and OD-cost matrix analysis measured the least-cost paths from the HCOs to the centroids. The visualization of the number of the HCOs and the number of women in childbearing age on the Ganwon-do map and network analysis were performed with ArcGIS ver. 10.0 (ESRI, Redlands, CA, USA). Results: Twenty HCOs were providing delivery services in Gangwon-do in 2016. Over 50% of the women in childbearing age were aged more than 35 years. Service area analysis found that 89.56% of Gangwon-do area took less than 60 minutes to reach any types of HCOs. For tertiary hospitals, about 74.37% of Gangwon-do area took more than 60 minutes. Except Wonju-si and Hoengseong-gun, other regions took more than 60 minutes to reach the tertiary hospital. Especially, Goseong-gun, Donghae-si, Samcheok-si, Sokcho-si, Yanggu-gun, Cheorwon-gun, and Taebaek-si took more than 100 minutes to the tertiary hospital. Conclusion: This study provided that the accessibility toward the tertiary hospital was limited and it may cause problems in high-risk delivery patients such as over 35 years. Health policy makers will need to handle the obstetric accessibility issues in Gangwon-do.

A Demonstration Construction of Sewerage Underground Facilities Map Based on Aerial Photograph (항공사진 기반 하수 지하시설물도 시범구축)

  • Min, Kwan-Sik;Choi, Min-Ho
    • Spatial Information Research
    • /
    • v.19 no.6
    • /
    • pp.67-74
    • /
    • 2011
  • This study attempts to establish sewerage underground facility map using aerial photograph with high readability and accessibility as an alternative of digital map and compilation cadastral map. A study on utility and consistency of established sewerage underground facility map in line with the current continuous cadastral map of underground facility was carried out. If underground facility map is established and utilized by converging digital image and compilation cadastral map, various spatial information analysis and systematic and integrated information utilization is available. The drawing of underground facility map using aerial photograph in this highly information-oriented society shall play a role in basic map for integrated control as an alternative of problems in the current drawing and designs created and managed by controlling institutions. In addition, the information of sewerage underground facility map using aerial photograph shall be used for establishing systematized urban planning and control.

A Study on the Description Elements Using Genealogy Research of Old Maps: Focused on 「Yeongyeondo」 in National Library of France (고지도 계통 연구를 활용한 기술요소에 관한 연구 - 프랑스국립도서관 소장 「영연도」를 중심으로 -)

  • Jongyon Ryu;Yeon-Kyoung Chung
    • Journal of the Korean Society for Library and Information Science
    • /
    • v.58 no.1
    • /
    • pp.199-224
    • /
    • 2024
  • Due to the challenging physical access of data and the abstraction of the old map, the study of the old map, which is owned by overseas collections, is limited. Therefore, it is necessary to include more detailed and professional characteristics in the bibliography or description elements, and to provide information that is helpful for the study of the old map through many ways. In this study, the elements of the old map based upon the system of the Haejushinbon were analyzed and added to the description elements of the old map for studying the Korean old map system. Fifty six description elements in 8 areas from the analysis were applied to 「Yeongyeondo」 in the French National Library, a major old map located overseas that was not well known in Korea. In conclusion, additional description elements of the old map were proposed to enhance accessibility and utilization of old map research.

Application Basics of Korean Web Content Accessibility Guidelines 2.1 to Web Visualization of Geo-based Information (한국형 웹 콘텐츠 접근성 지침(KWCAG) 2.1의 공간정보 웹 시각화 적용 기초)

  • Park, Hansaem;Kim, Kwangseob;Lee, Kiwon
    • Journal of Cadastre & Land InformatiX
    • /
    • v.46 no.2
    • /
    • pp.123-135
    • /
    • 2016
  • Recently, geo-based application services such as location-based commerce or personal navigation are recognized as a kind of common tool on smart-phone, and demands with respect to advanced functions of online map editing linked to value-added contents are increasing. However, the disabled people have severe difficulties to equally use those geo-based services, compared to the normal people's uses. Of course, this situation is almost same to other application fields besides geo-based applications. Web accessibility basically means necessary guideline handling web-based contents for equal uses of web services for all people. W3C has developed and distributed a generalized web content accessibility guideline, and Korean web content accessibility guideline version 2.1 referred it. As well, there is a certificate system operated by public agencies. In spite of this situation, geo-based application field is globally on the very early stage for web accessibility. This work first summarized the concept of web accessibility and Korean guideline, and then presented some practical schemes for the further geo-based applications, focused on web visualization of geo-based contents among numerous implementable application services.

A Study on the Change of Urban Land Use According to the Change of Transportation Accessibility (교통 접근성 변동에 따른 도시 토지이용 변화에 관한 연구)

  • Won, Seok Hwan;Hwang, Chul-sue
    • Journal of Cadastre & Land InformatiX
    • /
    • v.47 no.1
    • /
    • pp.127-142
    • /
    • 2017
  • The purpose of this study is to examine the status of urbanization of Namyangju-Si from 2001 till 2008, analyze the correlation of the change of surrounding land use according to the change of accessibility and analyze the correlation of the change of land use. Based on the result from correlation analysis, I simulated from the view point of interactions between agents of land use and transportation accessibility by using MAS. I tried to forecast, based on space, the change of surrounding land use caused by the change of accessibility. I conducted landscape analysis by using a land registration map. Also, I conducted GIS analysis statistical analysis simulation analysis of traffic data, land use data in order to analyze the correlation of the change of surrounding land use according to the change of accessibility. I could find out a certain pattern that new roads and railroads causes the within 500m adjacent land to change into urban land use, which led me to construct a system through which land use changing phenomenon can be expected according to the change of accessibility. It is expected that it can make the best use of selecting the location where new transportation facilities are constructed.

Implementation of GIS-based Application Program for Circuity and Accessibility Analysis in Road Network Graph (도로망 그래프의 우회도와 접근도 분석을 위한 GIS 응용 프로그램 개발)

  • Lee, Kiwon
    • Journal of the Korean Association of Geographic Information Studies
    • /
    • v.7 no.1
    • /
    • pp.84-93
    • /
    • 2004
  • Recently, domain-specific demands with respect to practical applications and analysis scheme using spatial thematic information are increasing. Accordingly, in this study, GIS-based application program is implemented to perform spatial analysis in transportation geography with base road layer data. Using this program, quantitative estimation of circuity and accessibility, which can be extracted from nodes composed of the graph-typed network structure, in a arbitrary analysis zone or administrative boundary zone is possible. Circuity is a concept to represent the difference extent between actual nodes and fully connected nodes in the analysis zone. While, accessibility can be used to find out extent of accessibility or connectivity between all nodes contained in the analysis zone, judging from inter-connecting status of the whole nodes. In put data of this program, which was implemented in AVX executable extension using AvenueTM of ArcView, is not transportation database information based on transportation data model, but layer data, directly obtaining from digital map sets. It is thought that computation of circuity and accessibility can be used as kinds of spatial analysis functions for GIS applications in the transportation field.

  • PDF

Digital Barrier-Free and Psychosocial Support for Students with Disabilities in Distance Learning Environments

  • Kravchenko, Oksana;Koliada, Natalia;Berezivska, Larysa;Dikhtyarenko, Svitlana;Baida, Svitlana;Danylevych, Larysa
    • International Journal of Computer Science & Network Security
    • /
    • v.22 no.8
    • /
    • pp.15-24
    • /
    • 2022
  • The article clarifies the conditions for information, digital and educational accessibility for higher education seekers with disabilities in terms of distance learning caused by quarantine restrictions. It is established that such conditions are regulated by international and Ukrainian legal documents (The Standard Rules on the Equalization of Opportunities for Persons with Disabilities, Convention on the Rights of Persons with Disabilities, Sustainable Development Goals, Law of Ukraine "On Education", Law of Ukraine "On Higher Education", Strategy for the Development of Higher Education in Ukraine 2021-2031, Development Strategy areas of innovation for the period up to 2030, Development strategy of the sphere of innovation activity for the period up to 2030). As a part of information barrierlessness, Higher Education Institutions (HEI) should provide access to information in various formats and using technologies, in particular Braille script, large-type printing, audio description (audio descriptive commenting), sign language interpretation, subtitling, a format suitable for reading by screen access programs, formats of simple speech, easy-to-read formats, means of alternative communication. The experience of Pavlo Tychyna Uman State Pedagogical University is described. In particular, special attention is paid to the study of sign language: in view of this, the initiative group implemented the project "Learning to hear and overcome social isolation together" with the financial support of the British Council in Ukraine. Within the framework of digital accessibility, the official website of the Faculty of Social and Psychological Education has been adapted for the visually impaired in accordance with WCAG 2.0 World Standards. In 2021, Pavlo Tychyna Uman State Pedagogical University implemented the project "Cultural, Recreational and Tourist Cherkasy Region: Inclusive Social 3D Map" funded by the Ukrainian Cultural Foundation; a site with available content for online travel in the region to provide barrier-free access to the historical and cultural heritage of Cherkasy region was created. Educational accessibility is achieved by increasing the number of people with special educational needs, receiving education in inclusive groups; activities of the Center for Social and Educational Integration and Inclusive Rehabilitation Social Tourism "Bez barieriv" ("Without barriers"); implementation of a research topic for financing the Ministry of Education and Science of Ukraine: "Social and psychological rehabilitation of children and youth with special educational needs by means of inclusive tourism"; implementation of the project "Social inclusion of distance educational process"; development of information campaigns to popularize the ideas of accessibility, the need for its implementation, ongoing training programs and competitions, etc.

Evacuation Route Simulation for Tsunami Preparedness Using Remote Sensing Satellite Data (Case Study: Padang City, West Sumatera Province, Indonesia)

  • Trisakti, Bambang;Carolita, Ita;Nur, Mawardi
    • Proceedings of the KSRS Conference
    • /
    • v.1
    • /
    • pp.47-50
    • /
    • 2006
  • Tsunami disaster caused great damages and very large victims especially when occurs in urban area along coastal region. Therefore information of evacuation in a map is very important for disaster preparedness in order to minimize the number of victims in affected area. Here, information generated from remote sensing satellite data (SPOT 5 and DEM) and secondary data (administration boundary and field survey data) are used to simulate evacuation route and to produce a map for Padang City. Vulnerability and evacuation areas are determined based on DEM. Landuse/landcover, accessibility areas, infrastructure and landmark are extracted from SPOT 5 data. All the data obtained from remote sensing and secondary data are integrated using geospatial modelling to determine evacuation routes. Finally the simulation of evacuation route in Padang City for tsunami preparedness is provided based on the parameters derived from remote sensing data such as distances from shelters, save zones, city's landmarks and the local community experiences how they can survive with the disaster.

  • PDF

Implementation of Academic Journal Map based on Electronic Cultural Atlas using Google Maps (구글맵스 전자문화지도 기반의 학술지 지도 구현)

  • Kang, Ji-Hoon;Moon, Sang-Ho
    • Journal of the Korea Institute of Information and Communication Engineering
    • /
    • v.19 no.4
    • /
    • pp.864-870
    • /
    • 2015
  • With the growing interests in ICT convergence, interdisciplinary researches are still actively discussed and studied today such as cultural atlas DB, electronic cultural atlas. Electronic cultural atlas can show various cultural aspects on the map by using point, line, polygon, and so on. Users can obtain the informations connected to the three values through manipulating theme, spatial and time values. In this regard, text information can be visualized as various ways like point, line, and polygon on the map. This can make the user get information effectively by usability, accessibility and immediacy of the system. In this paper, we implemented academic journal map system based on the electronic cultural atlas using Google Maps. This system supports various journals information services based on electronic cultural atlas and can be used efficiently as a tool for academic trends analysis. Also, it provides academic material through visualization of information based on the map. In detail, it can be utilized as the foundations for research of Humanities and Area Studies.