• Nuclear Engineering and Technology
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• 제55권2호
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• pp.587-594
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• 2023

This study investigates the impacts of nuclear energy consumption on environmental quality from a different perspective by focusing on carbon dioxide (CO2) emissions, ecological footprint, and load capacity factor. In this context, the South Korea case, which is a leading country producing and consuming nuclear energy, is investigated by considering also economic growth, and the 1997 Asian crisis from 1977 to 2018. To this end, the study employs the autoregressive distributed lag (ARDL) approach. Different from previous literature, this study proposes a load capacity curve (LCC) and tests the LCC and environmental Kuznets curve (EKC) hypotheses simultaneously. The analysis results reveal that (i) the LCC and EKC hypotheses are valid in South Korea; (ii) nuclear energy has an improving effect on the environmental quality; (iii) renewable energy does not have a significant long-term impact on the environment; (iv) the 1997 Asian crisis had an increasing effect on the load capacity factor; (v) South Korea has not yet reached the turning point, identified as $55,411, where per capita income improves environmental quality. Overall, the results show the validity of the LCC and EKC hypotheses and prove the positive contribution of nuclear energy to South Korea's green development strategies.

• International Journal of Computer Science & Network Security
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• 제21권9호
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• pp.332-338
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• 2021

Civil aviation cybersecurity challenges are global in nature and must be addressed using global best practices and the combined efforts of all stakeholders. This requires the development of comprehensive international strategies and detailed plans for their implementation, with appropriate resources. It is important to build such strategies on a common methodology that can be applied to civil aviation and other interrelated critical infrastructure sectors. The goal of the study was to determine the methodological basis for developing an international civil aviation cybersecurity strategy, taking into account existing experience in strategic planning at the level of international specialized organizations. The research was conducted using general scientific and theoretical research methods: observation, description, formalization, analysis, synthesis, generalization, explanation As a result of the study, it was established the specifics of the approach to formulating strategic goals in civil aviation cybersecurity programs in the documents of intergovernmental and international non-governmental organizations in the aviation sphere, generally based on a comprehensive vision of cybersecurity management. A comparative analysis of strategic priorities, objectives, and planned activities for their implementation revealed common characteristics based on a single methodological sense of cybersecurity as a symbiosis of five components: human capacity, processes, technologies, communications, and its regulatory support. It was found that additional branching and detailing of priority areas in the strategic documents of international civil aviation organizations (by the example of Cybersecurity Strategy and Cybersecurity Action Plan) does not always contribute to compliance with a unified methodological framework. It is argued that to develop an international civil aviation cybersecurity strategy, it is advisable to use the methodological basis of the Cyber Security Index.

• 환경영향평가
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• 제12권3호
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• pp.121-135
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• 2003

1999년 7월 청주권을 비롯한 7개 지방중소도시권은 친환경적 도시기본계획을 수립한 후 개발제한구역을 해제하도록 하고, 수도권을 비롯한 7개 대도시권은 보전가치가 낮은 지역을 위주로 부분적으로 해제하도록 하였다. 그리하여 표고, 경사도, 농업적성도, 식물상, 임업적성도, 수질 등 6개 항목에 대한 환경평가를 통해 개발제한구역에 용도지역이 지정되었다. 청주시의 경우 환경평가와 주민의견 반영 후 도시계획재정비에 따라 용도지역이 지정되었으나, 평지나 산림생산성이 떨어지는 곳은 낮은 환경등급을 받아 개발이 가능한 용도지역이 지정됨으로써 벨트형 녹지 유지가 어려워져, 시가지 팽창, 대전과 연담화, 도시 허파기능 상실 등의 가능성이 커지게 되었다. 따라서 청주권 개발제한구역의 시가화 영향을 토지피복, 지목, 용도지역 등의 변화를 통해 살펴보고, 6개 항목에 대한 환경평가 과정상 문제점을 고찰한 후, 개발제한구역의 해제 영향을 도시성장측면과 환경용량평가를 통해 규명하고, 전략환경평가의 적용방안을 모색하고자 한다. 전략환경평가의 시행을 위해서는 먼저 오염총량관리제, 국토의 계획 및 이용에 관한 법률에 의한 개발밀도관리구역, 수도권정비계획법에 의한 인구집중시설에 대한 개발총량규제 등이 반영되어야 할 것이다. 그리고 이미 시행중인 개발사업 및 개발계획중인 사업에 대한 누적영향평가와 함께 해당 지역에 대한 환경용량평가가 이뤄져야 하고, 아울러 개발제한구역 해제지역에 대한 사전환경성검토업무편람의 내용을 토대로 하여 환경평가항목에 대한 스코우핑, 환경평가 지표 개발이 이뤄져야 할 것이다.

• Safety and Health at Work
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• 제7권2호
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• pp.143-149
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• 2016

Background: The industrial revolution that took place in the United Kingdom (UK) between 1760 and 1830 led to profound social change. Occupational medicine was concerned with the diagnosis, treatment, and prevention of occupational diseases, that is, diseases directly caused by exposure to workplace hazards. A similar pattern of development has occurred globally. Methods: A review of relevant literature. Results: The international conceptualization and development of occupational health occurred during the 20th century. A new paradigm for occupational health has emerged that extends the classical focus on what might be termed "health risk management" that is, the focus on workplace hazards and risk to health to include the medical aspects of sickness absence and rehabilitation, the support and management of chronic noncommunicable diseases, and workplace health promotion. Conclusion: The future strategic direction for occupational health will be informed by a needs analysis and a consideration of where it should be positioned within future healthcare provision. What are the occupational health workforce implications of the vision for occupational health provision? New challenges and new ways of working will necessitate a review of the competence and capacity of the occupational health workforce, with implications for future workforce planning.

• 한국항해항만학회지
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• 제41권5호
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• pp.319-328
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• 2017

The efficiency of port operations is an important indicator of port development. Moreover, there is excess handling capacity in Chinese ports, which results in a slower speed of development. Under the detrimental environment of the international shipping market, it is necessary to improve the operation efficiency of ports for long-term development. This paper provides an assessment of the competitiveness of Chinese seaport companies using the Boston Consulting Group's matrix, and efficiency measurements using a data envelopment analysis and the Malmquist method. This analysis showed that highly efficient companies reformed their development strategies, which should be a solution considered by less efficient companies, such as Shenzhen Yan Tian Port Holdings Co., Ltd.. Although, having high throughput should be reformed in the investment structure. This research will assist port companies in gaining effective operating experience, and governments in establishing strategic planning to enhance the efficiency of port development.

• 대한전기학회논문지:전력기술부문A
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• 제51권7호
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• pp.349-361
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• 2002

Occasionally, equipment in a distribution system fails due to damage from weather, vandalism, or other causes. Failures and unexpected events do not always occur as and where expected. Therefore, a good contingency plan, multi-zone or otherwise, provides flexibility by locating switches at various strategic locations so that parts of a feeder can be picked up in the event of line outages at various places. It is possible to create feeder system layout that achieve remarkable contingency support economics, even as their normal peak loading levels approach thermal capacity, by utilizing six, seven, or even nine switchable zones per feeder. But many switchable zones per feeder are of questionable practicality and effectiveness, because of the complexity and time required for the switching operation. In practice, a zonal scheme with between three and four zones will usually provide complete contingency backup for all feeders. Line switches have both capital and maintenance costs, the planning for multi-zonal schemes is considerably more difficult than or loop or single-zone systems, and the required switching operations required during contingencies take more time. But multi-zonal schemes are used because these costs come to far less than the cost of additional capacity required for loop or single-zone. In this paper, we present the optimal number of switchable zones per feeder in Kora distribution system.

• 한국방재안전학회논문집
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• 제16권4호
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• pp.123-128
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• 2023

본 논문은 점검진단 보고서의 데이터에 기반한 교량의 내하율 추정 모델의 판별 정확도 분석 결과를 보여준다. 내하율 추정 모델은 2,161건의 점검진단 보고서 수집을 통해, 통계적 방법에 의해 도출하였다. 교량의 제원 및 유지관리 정보를 입력하면 해당 교량의 추정된 내하율을 확인할 수 있다. 추정 내하율 모델의 판별 정확도를 검증하기 위하여, 데이터 확보가 되어 있는 공용중 교량 164개소에 대해 추정 내하율과 점검진단 보고서 상의 내하율을 비교하였다. 교량 형식별로 차이가 있지만 추정 내하율 판별 정확도 80% 이상의 결과를 도출하였다.

• 환경정책연구
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• 제13권2호
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• pp.3-20
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• 2014

세계적으로 인간의 활동에 따른 서식지 훼손 및 기후 변화에 의해 생물다양성이 감소하고 있다. 이에 따라, 생물 다양성의 감소를 막기 위해서 국제사회는 생물다양성 협약과 같은 협력 체제를 마련하는 등의 노력을 하고 있다. 지금까지 우리나라의 생물다양성 전략 및 계획은 주로 정부의 주도하에 정책적으로 진행되었으나, 국가에 의한 생물다양성전략은 보수적이며, 실행 계획이 구체적이지 않다는 단점을 가진다. 따라서 지자체 생물자원을 관리하기 위한 방법으로 지자체 생물다양성 관리전략을 제안하였다. 지자체 생물다양성 관리전략 수립을 위한 전략계획 및 세부계획을 제시하기 위해 생물다양성 협약, '2011~2020 생물다양성 전략계획', 우리나라 생물다양성 전략 및 이행계획과 해외 지자체 생물다양성 관리전략 우수 사례를 분석하였다. 결과적으로, 각각의 사례에서 중요하게 제시하고 있는 개별 생물종의 조사 및 보호, 보전지역의 지정 및 모니터링, 통합적 생태네트워크 관리, 생물다양성 전문기관의 설립과 전문가 양성방안, 지역의 인적 네트워크와 전통지식 활성화 방안, 생물산업 육성방안의 추진전략을 도출할 수 있었다. 이러한 지자체 생물다양성 관리전략의 이행은 '2011~2020 생물다양성 전략계획'의 목표를 달성하여 생물다양성을 보전하고 증진하는 데 큰 도움이 될 것이다.

• 한국식품영양학회지
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• 제25권3호
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• pp.650-655
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• 2012

This purposes of this study were to explain consumer attitudes and purchasing behaviors towards agricultural products using a social network service and to determine the influencing factors such as experience, technology ability, innovation, self-efficacy, perception of usefulness, perception of trust, attitude, purpose of purchase and individual characteristics on them. We analyzed the survey data set, using the 'logit model', 'simultaneous equation model', and 'LISREL-Type model' In this study, the results obtained are summarized as follows. The result for the comprehensive statement of "Trust" was the biggest influence on the purchase agricultural products using the social network service. Therefore, in order to expand agricultural e-commerce using SNS, trust should be to the fore of marketing and publicity campaigns, in order to promote and stabilize the market.

• 디지털융복합연구
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• 제11권1호
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• pp.39-45
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• 2013

최근 정보화의 진전에 따라 기업에서 업무의 정보시스템 의존도는 점점 심화되고 있으며, 국지전, 테러, 기상이변, 대규모 자연재난 등 재난위험으로부터 중요 IT자원의 보호가 필수적이다. 본 연구에서는 국내외 동향 및 선진 유사기관 사례 분석을 통하여 기업 환경에서 사용하고 있는 중요 IT자원을 재난으로부터 보호하기 위한 종합적인 대응 방안 현황을 분석한다. 특히, 본 논문은 재난으로부터 기업 정보자원을 보호하고, 신속하고 체계적인 복구 및 운영연속성 전략 수립을 수립함으로써 기업의 재해복구 종합 정책 수립과 운영연속성 구축시 활용할 수 있도록 한다.