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2018, Vol.27, No.4

  • 1.

    Evaluating and Improving Urban Resilience to Climate Change in Local Government: Focused on Suwon

    김은영 | 정경민 | Wonkyong Song | 2018, 27(4) | pp.335~344 | number of Cited : 3
    Abstract PDF
    As the damage caused by the abnormal climate due to climate change is increasing, the interest in resilience is increasing as a countermeasure to this. In this study, the resilience of Suwon city was examined and the plan to improve the resilience were derived against climate impacts such as drought, heatwave, and heavy rain. Urban resilience is divided into social resilience (e.g. vulnerable groups, access to health services, and training of human resources), economic resilience (e.g. housing stability, employment stability, income equality, and economic diversity), urban infrastructure resilience (e.g. residential vulnerability, capacity to accommodate victims, and sewage systems), and ecological resilience (e.g. protection resources, sustainability, and risk exposure). The study evaluated the urban resilience according to the selected indicators in local level. In this study, the planning elements to increase the resilience in the urban dimension were derived and suggested the applicability. To be a resilient city, the concept and value of resilience should be included in urban policy and planning. It is critical to monitor and evaluate the process made by the actions in order to continuously adjust the plans.
  • 2.

    Implementation Methods for Climate Change Impact Assessment

    이영수 | 이승현 | 최상기 | 2018, 27(4) | pp.345~352 | number of Cited : 1
    Abstract PDF
    In order to establish mainstreaming of climate change adaptation in policy, plan, program or project, we set up three kinds of implementation methods. The first is preparation of new law(tentatively called 「Act on Climate Change Response」) and independent implementation, the second is preparation of new law and two kinds of implementation in existing Environmental Impact Assessment system, and the third is integrated assessment in Environmental Impact Assessment system without new legal base. And we analyzed merits and demerits of suggested schemes, and specific contents of each method. Furthermore, we suggested overview of contents of new law and revised Environmental Impact Assessment law and related regulations.
  • 3.

    Statistical Analysis of Water Flow and Water Quality Data in the Imjin River Basin for Total Pollutant Load Management

    Yong-Chul Cho | Hyeon-Mi Choi | 이영준 and 5other persons | 2018, 27(4) | pp.353~366 | number of Cited : 2
    Abstract PDF
    The purpose of this study was assessment the quality of water by using the statistical analysis technique of the Water flow and water quality from January 2012 to December 2016 at the unit basin for total pollutant load management system (TPLMS) in the Imjin River. Water flow and water quality were monitored at an average of 8 day intervals, 11 parameters were used for correlation analysis, principal component analysis (PCA), factor analysis (FA), and cluster analysis (CA). The Hierarchical CA was classified into three according to the change of space, such as natural rivers, urban rivers, point with large influence of point pollution source, it was found that the type of contamination source the similarity of water quality affected the classification of cluster. Using one-way analysis of variance (ANOVA) and post-hoc Analysis, there were statistically significant differences between mean values among the clusters. Correlation analysis showed the correlation coefficient between CODMn and TOC was 0.951 (p<0.01) and the correlation was statistically significantly higher. According to the result PCA and FA, 3 principal components can explaining 72% of the total variations in water quality characteristics and main factor was EC, BOD5, CODMn, TN, TP and TOC indirect indicators of organic matter and nutrients were influenced. This study presented the regression equation obtained by applying the factor scores to the multiple linear regression analysis and concluded that the management Indirect indicators of organic matter and nutrients is important for water quality management in the Imjin River basin.
  • 4.

    Accessibility Analysis in Mapping Cultural Ecosystem Service of Namyangju-si

    전배석 | WANMO KANG | Lee Jae-hyuck and 5other persons | 2018, 27(4) | pp.367~377 | number of Cited : 1
    Abstract PDF
    A cultural ecosystem service(CES), which is non-material benefit that human gains from ecosystem, has been recently further recognized as gross national income increases. Previous researches proposed to quantify the value of CES, which still remains as a challenging issue today due to its social and cultural subjectivity. This study proposes new way of assessing CES which is called Cultural Service Opportunity Spectrum(CSOS). CSOS is accessibility based CES assessment methodology for regional scale and it is designed to be applicable for any regions in Korea for supporting decision making process. CSOS employed public spatial data which are road network and population density map. In addition, the results of ‘Rapid Assessment of Natural Assets’ implemented by National Institute of Ecology, Korea were used as a complementary data. CSOS was applied to Namyangju-si and the methodology resulted in revealing specific areas with great accessibility to ‘Natural Assets’ in the region. Based on the results, the advantages and limitations of the methodology were discussed with regard to weighting three main factors and in contrast to Scenic Quality model and Recreation model of InVEST which have been commonly used for assessing CES today due to its convenience today.
  • 5.

    Evaluation of the Usability of Micro-Sensors for the Portable Fine Particle Measurement

    Jinsu Kim | JANG YOUJUNG | Jinseok Kim and 5other persons | 2018, 27(4) | pp.378~393 | number of Cited : 3
    Abstract PDF
    As atmospheric fine dust problems in Korea become more serious, there are growing needs to find the concentration of fine particles in indoor and outdoor areas and there are increasing demands for sensor-based portable monitoring devices capable of measuring fine dust concentrations instantly. The low-cost portable monitoring devices have been widely manufactured and used without the prescribed certification standards which would cause unnecessary confusion to the concerned public. To evaluate the reliability those devices and to improve their usability, following studies were conducted in this work; 1) The comparisons between sensor-based devices and comparison with more accurate devices were performed. 2) Several experiments were conducted to understand usefulness of the portable monitoring devices. As results, the absolute concentration levels need to be adjusted due to insensitivity of the tiny light scattering sensors in the portable devices, but their linearity and reproducibility seem to be acceptable. By using those monitoring devices, users are expected to have benefits of recognizing the changes of concentration more quickly and could help preventing themselves from the adverse health impacts.
  • 6.

    Analysis of Biotope Area Ratio in the Environmental Impact Statements

    Lee, Sang-Don | 2018, 27(4) | pp.394~401 | number of Cited : 1
    Abstract PDF
    Tendency in ratio of biotope area of environmental impact assessment (EIA) according to population, location, project type, and total project area was analyzed by type of the projects. According to EIA, biotope area ratio is the ratio of the weighted biotope areas and total project area. biotope area is important to resident’s health and quality of their life. Ministry of Environment recommends to meet the biotope area ratio standard presented by each project type. The analysis is based on 4 types of project, urban development, industrial comlpex deveopment, tourism development, and waste and sewerage treatment facility, and 55 data extracted from them. It is needed that new standard that the population is reflected, adjustment that region and frequency are considered, and regulation strengthening according to achievement of ‘the minimum achievable goals’ to improve biotope area policy. The research includes more data and improvements of specific system are needed as a further research.