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http://dx.doi.org/10.7319/kogsis.2015.23.2.069

The Spatial Location Analysis of Disaster Evacuation Shelter for Considering Resistance of Road Slope and Difference of Walking Speed by Age - Case Study of Seoul, Korea  

Lee, So Hee (National disaster Management Institute)
Goo, Sin Hoi (National disaster Management Institute)
Chun, Young Woo (National disaster Management Institute)
Park, Young Jin (National disaster Management Institute)
Publication Information
Journal of Korean Society for Geospatial Information Science / v.23, no.2, 2015 , pp. 69-77 More about this Journal
Abstract
In Korea, local governments have decided the location of shelters as part of their disaster planning. However, no quantitative standards, such as assuming different hazard and shelter types, shelters' capacity, are specified in that planning. To propose the direction of disaster evacuation policy, first of all, the current state of shelters' location and evacuation area is needed to be analyzed. In addition, considering topographical condition such as road slope and physical strength by age are important factors to measure optimal evacuation route. The purpose is to suggest a new methodology of estimating optimal evacuation route considering resistance of road slope and difference of walking speed by age. Moreover, as a case study of Seoul, Korea, using coverage analysis of GIS analysis tool, the accessible area (or vulnerable area) to the shelters is evaluated based on the spatial distribution of disaster evacuation shelters and their accommodation capacity, according to evacuation time within 7.5, 15 and 30 minutes. The main results are summarized as follows: 1) The average area of disaster evacuation shelter per person is calculated as 0.45 square meters. Considering that the minimum shelters' area per person is 1 square meters, only 45% of people in Seoul can be accommodated. 2) The ratio of inhabitants who live in accessible area within 7.5 minutes presents only 33% of all. Furthermore, the ratio of inhabitants by age group of 5~9 or over 65 years old shows significantly lower percentage in comparison with 15~49 years old people.
Keywords
Disaster Evacuation Shelter; Slope Distance of Road; Walking Speed by Age; Coverage Analysis;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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