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pISSN : 2466-1198 / eISSN : 2466-1201

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2017, Vol.13, No.4

  • 1.

    Social Network Analysis on Cooperation Network among Disaster Relief Organizations in Korea - Focused on the Sewol Ferry Disaster -

    JIWON MIN | KISUN SIM | Soosang Lee and 1other persons | 2017, 13(4) | pp.1~18 | number of Cited : 2
    Abstract PDF
    The Sewol Ferry accident in 2014 had a significant impact on Korean society. In response to the national-scale disaster, there was a limit to what a single institution can do to facilitate an effective recovery of the society. This study aims to analyze the cooperative relations of 38 organizations which have participated in psychosocial support activities after the Sewol Ferry accident. The results from the social network analysis (SNA) showed that cooperative relationships among those institutions were generally low. Specifically, the degree of cooperation among the institutions was found to be lowest for human resources, but relatively high with respect to information/data transfer. The results from the centrality analysis indicated that ‘Ansan Mental Health Trauma Center’ played the most central role in disaster support network. In addition, the major players in this network were mainly public institutions, while private agencies or local community organizations were somewhat limited in their ability to mobilize support. Based on the findings, the implications on disaster support systems were discussed.
  • 2.

    Risk or Opportunity?: Ambivalence and Social Integration among North Korean Refugees

    Jin Bae Sul | Eun-Hee Song | 2017, 13(4) | pp.19~43 | number of Cited : 10
    Abstract
    This study aims to explore the ambivalent characteristics of North Korean refugees and seek the direction of social integration policy in South Korea. To achieve this, 20 in-depth interviews were conducted along with the review of the policies and supporting system for North Korean refugees. The main results are as follows: First, North Korean refugees as the policy target have been defined in various ways, such as South Korean citizens, defectors, refugees or migrants. Second, the respondents perceived their dual identity as South Korean born in North Korea and North Korean with South Korean citizenship. Third, they showed ambivalent attitudes in economic adjustment process and in equality of opportunity. From a perspective of social integration among North Korean refugees, the practical implications of the results were discussed.
  • 3.

    A Study on Emotional Labor and Organizational Commitment among Firefighters in Korea

    Kyung Sook Joo | 2017, 13(4) | pp.45~54 | number of Cited : 9
    Abstract
    The purpose of this study was to examine the relationship between emotional labor and organizational commitment of firefighters, which could provide guidance on monitoring emotional labor and improving organizational commitment among firefighters in Korea. As for firefighters on desk duty, the higher the emotional dissonance factor provoking psychological tension and emotional exhaustion, the lower the organizational commitment. In case of on-site firefighters, the higher the frequency of self-regulations, the lower the organizational commitment. There has been much research on the emotional labor of public officials, there has been very few research on the emotional labor of firefighters. This study has proven a theoretical negative association between the emotional labor of firefighters and their organizational commitment. Policy implications include that the psychological healing of firefighters involved in emotional labor should be provided to improve their organizational commitment.
  • 4.

    Depression and Life Satisfaction in Old Age: Policy Implications

    Cha Eun Jin | Kyung Ho Kim | 2017, 13(4) | pp.55~68 | number of Cited : 5
    Abstract
    The purpose of this study is threefold: (1) to investigate the causal relationship between depression and life satisfaction in old age; (2) to ascertain whether the impact of depression on life satisfaction is changeable according to the subjective health status of older people; and (3) to draw out policy implications to cope with problems in relation to elderly depression. This study analyzed the 4th wave data from the Korean Retirement and Income Study (KReIS) using the structural equation modeling method. The main results are as follows. First, depression could have a significantly negative effect on life satisfaction. Second, neither subjective physical health status nor subjective mental health status was proved as a significant moderating variable between depression and life satisfaction. Finally, policy implications are discussed in terms of preventing depression and enhancing life satisfaction.
  • 5.

    Infection Exposure Prevention of Nurses Working in Small and Medium-sized Hospitals and Its Influencing Factors

    Song Hyo Suk | So Hee Lim | 2017, 13(4) | pp.69~80 | number of Cited : 3
    Abstract
    The purpose of this study was to identify factors influencing on nurses’ performance for infection prevention in small and medium-sized hospitals. Participants were 219 nurses who were working in small and medium- sized hospitals in Seoul. Data were collected from May to June of 2016 through a self-report structured questionnaire. Data were analyzed by descriptive statistics, t-test, ANOVA, Scheffe test, Person's correlation coefficients, and Hierarchical multiple regression analysis using the SPSS 23.0 software. The nurses’ perception of exposure to infection (β=.80) was found to have an impact on the nurses' performance for infection prevention, with an explanatory power of 61.1%. The findings of this study suggest the development of an infection control program that focuses on improving the nurses’ perception of exposure to infection in small and medium- sized hospitals.
  • 6.

    An Analysis of Psychological Disaster Relief Systems: Problems and Resolutions

    Tae Hyeong Kim | Lee, KyungSu | Ji On Lim and 2other persons | 2017, 13(4) | pp.81~93 | number of Cited : 5
    Abstract
    Although disasters get bigger and more complex, the post-disaster management systems have focused on physical compensation and ignored psychological impacts of the victims, which induces pathological burden and increased social costs. Considering that an integrated approach with consistent support can promote social adaptation of disaster victims, various disaster relief activities should be unified and systematized. This study analyzes the current situation of psychological support systems for disaster victims using the domestic and foreign cases, and suggests remedies for the psychological disaster relief systems in the context of Korea. In order to establish a system for psychological disaster relief in Korea, it is required to strengthen the expertise and professionalism of psychological support staff and experts. In addition, a comprehensive psychological support network should be built in cooperation with civic groups, enterprise, schools and government agencies.
  • 7.

    Identification of Fire-prone Areas Using Spatial Analysis of the Forest Fire Location Data

    Heeyoung Ahn | Byung Doo Lee | Chun Geun Kwon and 1other persons | 2017, 13(4) | pp.95~104 | number of Cited : 2
    Abstract
    This study identified the high-risk areas by analyzing fire occurrence patterns using the forest fires location data released by the Korea Forest Service. The areas where forest fires have occurred frequently were selected using nearest neighbor method and Kernel density method. The administrative areas were classified into five clusters based on the nearest distances between the fire occurrences, where a shorter distance means a more fire occurrence in the given area. The clusters in the first and second classes (having shorter distances) were found to be mostly major cities and areas on the east coast. The high density fire areas accounted for approximately 10% of the entire area of South Korea. In major cities, the numbers of fire occurrences were well over the national average. The results of this study can support the local governments to prioritize areas for forest fire prevention according to the predicted risks.
  • 8.

    Comparison of Fuel Characteristics between Pinus densiflora and Pinus koraiensis in Gangwon Province

    Kim Sung Yong | Young Jin Lee | Mi Na Jang and 3other persons | 2017, 13(4) | pp.105~115 | number of Cited : 2
    Abstract
    This study identified fuel characteristics of surface and crown and analyzed crown fires on Pinus densiflora and Pinus koraiensis stands in Gangwon Province in Korea. Fifteen surface fuels of each tree type were sampled and 16 trees of each species were destructively sampled to identify crown fuel characteristics. Pinus koraiensis has higher surface fuel moisture content due to the difference in crown cover, although the two types show similar crown fuel moisture content. Pinus koraiensis (34.4%) has more crown needles than Pinus densiflora (25.7%), but two species have similar combustible of available fuel, 55.8% and 55.6%, respectively. The adjusted coefficients of determination(R2 adj) values were high (more than 0.850) in all crown fuel classes. The canopy bulk density of Pinus koraiensis was 1.56 times higher than that of Pinus densiflora, whereas the available canopy bulk density of Pinus koraiensis was 1.68 times higher despite the smaller canopy volume.
  • 9.

    Using Numerical Model to Analyze Reduction of Debris Flows by the Installation Location of Check Dams

    Won Jun Tak | Jun Kye Won | Kim, Byung Sik and 1other persons | 2017, 13(4) | pp.117~128 | number of Cited : 0
    Abstract
    Recently, South Korea has been facing a range of disasters caused by localized heavy rainfalls, tropical typhoon, and torrential downpours. In particular, debris flows disasters usually occurring in the mountains have rapidly increased during the past few years. However, debris flows are also observed in mountainous areas near cities, bringing significant damages to city centers, highways, bridges, etc. Thereby, debris flows can lead to high risk in both mountainous areas and city centers. In addition, difficulties in debris-flow forecasting increase the need for numerical studies on debris flows. Although various researches have widely been conducted on run-off control facilities for debris flows, it is necessary to focus more on research that would identify an ideal location for debris flow runoff reduction facilities based on basin characteristics or site conditions for the debris flow areas. In this regard, this research used a debris flow numerical model to identify the transfer mechanism of debris flows and analyzed the debris flow reduction effect of runoff control facilities by the installation location.
  • 10.

    The Effect of Surface Modified Membrane in the Oil Separation

    Hyonseung Dho | 2017, 13(4) | pp.129~135 | number of Cited : 0
    Abstract
    In this study, the surface modified microfiltration membrane was carried out with flux and electrokinetic measurements in order to reduce the fouling of membrane in the oil separation. The polypropylene membranes were chemically modified for improving flux on the surface with formaldehyde and sodium hydroxide catalysts. The hydrophobic polypropylene membranes changed surface to hydrophillic. The modified membrane showed much higher flux than the original polypropylene membrane. The zeta potentials were varied as the function of pH, ionic strength and concentrations in the presence of surfactants. The zeta potentials of the modified membrane were shifted to more negative values. The higher the negative value of the zeta potential, the higher the membrane permeation rate. The zeta potential results were affected by the increasing SDS concentrations. The SDS may affect the attachment of oil droplets by lowering the interfacial tension.
  • 11.

    Magnitude and Frequency of Debris-flows Controlling the Storage Pattern on the Flat-board Debris-flow Breaker

    Jin Hak Kim | Chun Kun Woo | JUNG IL SEO and 3other persons | 2017, 13(4) | pp.137~149 | number of Cited : 2
    Abstract
    To examine change in storage pattern by magnitude and frequency of debris flows on the flat-board debris-flow breaker (FDB) equipped with side screen and to derive design criteria for a longitudinal length of FDB, we surveyed the amount and grain-size of bed-materials stored by 10-cm distance on the upper surface of FDB using an experimental flume. The results showed that, on the upper surface of FDB, large-sized materials composing storage peak were moved to downstream with increasing volume of supplied bed-materials due to their increasing transport velocity and kinetic energy, thereby increasing total exported volume. In addition, its slit apertures were reduced by the bed-materials stored previously. Therefore, the bed-materials supplied secondarily destroyed and overpassed the peak formed previously, due to the limitation of the FDB length.