Journal of the Economic Geographical Society of Korea
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v.11
no.1
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pp.59-77
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2008
The purpose of this study is to investigate the impact of traffic-related air pollution on the urban population in the Metropolitan Seoul area. In particular, this study analyzes urban population exposure to traffic-related particulate materials(PM). For the purpose, this study examines the relationships between traffic flows and PM concentration levels during the last fifteen years. Traffic volumes have been decreased significantly in recent year in Seoul, however, PM levels have been declined less compare to traffic volumes. It may be related with the rapid growth in the population and vehicle numbers in Gyenggi, the outskirt of Seoul, where several New Towns have been developed in the middle of 1990's. The spatial pattern of commuting has changed, and thus and travel distances and traffic volumes have increased along the main roads connecting CBDs in Seoul and New Towns consisting of large residential apartment complexes. These changes in traffic flows and travel behaviors cause increasing exposure to traffic-related air pollution for urban population over the Metropolitan Seoul area. GIS techniques are applied to analyze the spatial patterns of traffic flows, population distributions, PM distributions, and passenger flows comprehensively. This study also analyzes real time base traffic flow data and passenger flow data obtained from T-card transaction database applying data mining techniques. This study also attempts to develop a space-time model for assessing journey-time exposure to traffic related air pollutants based on travel passenger frequency distribution function. The results of this study can be used for the implications for sustainable transport systems, public health and transportation policy by reducing urban air pollution and road traffics in the Metropolitan Seoul area.
The Journal of The Korea Institute of Intelligent Transport Systems
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v.7
no.6
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pp.121-132
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2008
Recently, there is a growing interest in promoting safe and convenient roadway and traffic conditions for elderly drivers. This paper analyzed the driving characteristics, self recognition, and any inconvenience of elderly drivers over age 65 through an extensive survey, and drew some action plans to improve the driving conditions for elderly drivers. Survey results showed that the major trip purposes of the elderly driver were found to be commuting(50%) and business(33%), and this pattern was similar to the general drivers. The elderly drivers are interested in "safety", but "brand recognition" was the more important factor for the general drivers in the process of vehicle selection. The elderly drivers had no technical skill difference in driving as compared to the general drivers, but they fully recognized the physical deterioration such as reaction time and sight distance. In addition, the elderly drivers had a tendency to feel psychological contraction as to high workload driving conditions, thus it was necessary to make safe driving conditions by improving the design elements of traffic control devices on the roadways including visibility.
Purpose: The purpose of this study was to investigate the influence of breakfast characteristics of university students on their self-regulated learning, attentional control, and fatigue in order to provide-basic data for establishing desirable eating habits, self-regulated learning skills using attentional control, and advisable learning habits of university students. Method: The level of fatigue was estimated using the Visual analogue scale (VAS) and Critical flicker frequency (CFF). Attentional control was measured using the Attentional Control Questionnaire (ACQ) adapted by Yoon. Self-regulated learning was surveyed by the Self-Regulated Learning Test developed by Chung. Data from atotal of 142 university students were collected from November 30 to December 9, 2011. Result: 69% of the subjects skipped their breakfast. Attentional control has a negative correlation with fatigue (r=-.179, p=.033) and a positive correlation with self-regulated learning (r=.352, p<.001). The multiple regression model of self-regulated learning consists of attentional control (t=3.218, p=.002), commuting time (t=-3.076, p=.003), understanding the importance of breakfast (t=-2.413, p=.008), and skipping breakfast(t=-2.195, p=.030) and its R-square was 21.8%. Conclusion: Learning efficiency of university students should be improved by means of attentional control, which is related to self-regulated learning. Also, it is essential for university students to establish healthy lifestyles including regular eating habits and attentional control, in order to improve their self-regulated learning.
Journal of the Korean Society of Physical Medicine
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v.11
no.3
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pp.19-34
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2016
PURPOSE: This study seeks to examine the awareness and need of home visiting physical therapy among physical therapist in Gwangju and Jeonnam province. METHODS: Survey was conducted during the continuing education on physical therapist held in Gwangju in 2015 with 297 participants. The survey questionnaire consisted of 12 questions on the characteristics of physical therapists, 8 questions regarding the awareness of home visiting physical therapy, and 7 questions on need. RESULTS: Significant differences were found regarding service period, according to categories of the inconvenience associated with commuting to/from hospitals, long-term treatment for patients, high quality treatment with intensive care, treatment at a time of patients' choosing. The category of hospital fees reduced due to early discharge from the hospital also saw significant differences, depending on respondents' marital status, dependent family, and service period. Providing treatment without causing discomfort to patients in front of others also saw significant differences according to physical therapist career period. Home visiting physical therapy is easier for family members to take care of patients also saw significant differences according to education and physical therapist career period. CONCLUSION: Survey indicates that physical therapist province feel the need for home visiting physical therapy in many respects. However, since as many as half of the surveyed physical therapists have only heard of home visiting physical therapy or are have no awareness of the this form of treatment, it appears that there is a need to raise awareness of home visiting physical therapy among physical therapist and introduce appropriate policies.
According to the "Population and Housing Census of 2010", announced by the National Statistical Office, "House Nomad group" was increased by more than 70% compared to 2005. Emergence of House Nomad tribe about the cause of the increase of influence and House Nomad tribe give the housing market, but prior to the discussion often, there is no place that still it became clearly evident in the research. The purpose of this study, are looking for the emergence and increasing cause of House Nomad group in terms of consumption behavior of the house. For this reason, We use the Population and Housing Census 1% of the data 2010. and Multinomial Logit Models., is a useful method that can be utilized when there is no rank and order the consumer choice. The results were as follows. House Nomad group was found to be higher probability of living place and good environmental characteristics of housing that has been expressed in the properties of the housing. Also appeared to have a relatively longer time commuting. And that residential mobility is high.
Objective: The purpose of this study was to examine levels of awareness, attitude and practice of wearing seatbelt of university students using a long distance commute. Methods: A cross-sectional survey design was used to investigate a convenience sample of 118 university students in Chungbuk province. Data was analyzed by descriptive statistics, Pearson correlation coefficients, t-test, ANOVA and Scheffe'test using SPSS version 22. Results: A significant positive correlation was found among awareness, attitude and practice. There were statistically significant differences in awareness, attitude and practice according to some of general characteristics(gender, age, commuting time, the last point of no seatbelt, socioeconomic status). Conclusion: Based on the results of this study, it can be used to develop an accident prevention and health education program.
Currently, subway crowding is estimated by observing a specific point at specific hours once or twice every 1 or 2 years. Given the extensive subway network in Seoul Metropolitan Area covering 588 stations, 11 lines and 80 transfer stations as of 2017, implementing crowding mitigation policy may have its limitations due to data uncertainty. A proposal has recently been made to effectively use smart card data, which generates big data on the overall subway traffic related to an estimated 8 million passengers per day. To mitigate subway crowding, this study proposes two viable options based on data related to smart card used in Seoul Metropolitan Area. One is to create a subway passenger pattern model to accurately estimate subway crowding, while the other is to prove effectiveness of early bird policy to distribute subway demand that is concentrated at certain stations and certain time. A subway passenger pattern model was created to estimate the passenger routes based on subway terminal ID at the entrance and exit and data by hours. To that end, we propose assigning passengers at the routes similar to the shortest routes based on an assumption that passengers choose the fastest routes. In the model, passenger flow is simulated every minute, and subway crowding level by station and line at every hour is analyzed while station usage pattern is identified by depending on passenger paths. For early bird policy, highly crowded stations will be categorized based on congestion level extracted from subway passenger pattern model and viability of a policy which transfers certain traveling demands to early commuting hours in those stations will be reviewed. In particular, review will be conducted on the impact of policy implemented at certain stations on other stations and lines from subway network as a whole. Lastly, we proposed that smart card based subway passenger pattern model established through this study used in decision making process to ensure effective implementation of public transport policy.
The Metropolitan Areas have experienced the phenomenon that some of their peripheral parts emerged as a core business area because of the relocation of residential and economic activities from the central area. An important phenomenon in the spatial transformation of metropolitan area is the weakening of centrality in the center and the increasing strength of centrality in the periphery. This paper examined the changing patterns of spatial interaction in the Seoul Metropolitan area through an analysis on outflow trips. Outflow trip by Seoul decreased in nearby regions and increased in remote regions, however as times goes by, the spatial patterns of the largest outflow trip destination were diversified and the rate of outflow trip to Seoul has decreased in the periphery regions. This research reveals that the most remarkable changes of spatial interactions occurred nearby regions of Seoul and also the changes of outflow trip by Seoul was also distinct. In relation to this, the results arising from the similarity analysis by the variance of trip clearly show the changing spatial patterns of interaction in Yongin, Seoul, Suwon and Hwaseong.
This study is to investigate the housing conditions and housing satisfaction of Chinese students in S. Korea, and identified effective factors for related housing design. Chinese students at CBNU participated in this survey from November to December in 2011. A questionnaire survey was used. 200 students voluntarily participated in this survey with 147 surveys providing useful data for analysis. Descriptive statistics, correlation, and linear regression were used to analyzed the data with SPSS 12.0. The results are as follow. 1) Many Chinese students received housing information from discussion with acquaintance. They lived together 2 students in one-room or dormitory. Monthly rental was about 240,000 won, and they found the living conditions a burden. 2) They are unsatisfied with food, the lack of a refrigerator, and non availability kitchen facilities. These factors are considered in planning for Chinese students housing. 3) For the most part, they are satisfied with their current housing environment, although there is a need to improve health related housing environment factors, including sunlight, noise, and indoor air. The effective residential factors to overall housing satisfaction are dwelling space and size, space organization and floor plan, kitchen toilet bathroom facilities, sunlight, and safety from natural disasters. The effective neighborhood factors identified include access to natural environment, community facilities, parks, noise, and commuting time. 4) Subjective factors played a larger role in overall housing satisfaction than did objective factors such as gender and types of house.
Journal of the Korean association of regional geographers
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v.21
no.2
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pp.304-318
/
2015
As the number of foreigners who stay for a long time increases, their residential concentrations have emerged and developed. This research aims at investigating how and why immigrants' residential concentration sustains and develops. In order to understand the roles of the residential concentration for the immigrants' everyday, we used the framework of grunddaseins funktionen including residence, labor, shopping, education, leisure, commuting, and community activity. Accompanied is a case study of Daelim-dong which is the largest Chinese concentrations. The result shows that combined with co-ethnic preference in residence, various amenities at the concentrations attract new immigrants and hold existing immigrants, allowing the concentrations sustain and develop. It has been pointed out that there are the difference factors that foreign immigrants concentrate residentially: 'co-ethnic residential preference' for immigrants from more developed countries and 'discrimination' for immigrants from less developed countries. However this study shows that the residential concentrations for less-developed-country-immigrants could maintain and develop with grunddaseins funktionen based on co-ethnicity.
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