• Title/Summary/Keyword: 과학성

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Comparison of Water Resources Vulnerability Index of South and North Korea Using TOPSIS (TOPSIS를 이용한 남·북한 지역별 기후변화에 대한 수자원 취약성 지수 비교)

  • Song, Jae Yeol;Chung, Eun-Sung;Jeong, Sunghun
    • Proceedings of the Korea Water Resources Association Conference
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    • 2015.05a
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    • pp.643-643
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    • 2015
  • 최근 북한의 수자원에 대한 관심과 연구가 활발히 이루어지고 있다. 또한, 수자원 취약성과 지속가능한 개발과 관련된 지수에 대한 연구도 꾸준히 이루어지고 있으며, 이 지수를 이용하여 현재 또는 미래의 수자원 취약성을 판단하고 대비하고 있다. 본 연구는 기상청, 통계청, 환경부에서 제공하는 자료 중에서 북한의 지역별 자료의 확보 가능한 자료를 대상으로 기후변화에 대한 기후노출, 민감도, 적응능력을 나타내는 지표들을 선정하여 남한과 북한의 26개 광역자치단체에 대하여 수자원 취약성 순위를 도출하였다. 기후변화를 고려한 지표들은 각각 홍수피해와 물부족을 반영하는 지표인 일최대강수량, 일강수량이 80mm 이상인 날의 수, 연최대 연속강우일수, 3일주기 최대 강수량, 6-9월 강수량, 12-2월 증발산량, 3-5월 증발산량, 12-2월 강수량, 3-5월 강수량, 연속적인 무강우일 수의 최대값, 총인구, 인구밀도를 선택하였으며, 변수들의 가중치 결정은 객관적 가중치 산정 방법인 Shannon의 entropy 기법과 주관적 가중치인 환경부(2012)에서 전문가를 대상으로 유도한 가중치를 적용하여 치수와 이수분야에 대한 취약성을 각각 평가하였다. 수자원 취약성의 정량적 평가를 위하여 TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) 기법을 적용하여 남 북한 지역별 수자원 취약성을 지수화하고 취약성 순위를 도출하였다. 산정된 수자원 취약성 지수가 낮을수록 취약함의 정도가 심각한 것으로 정의할 수 있으며, 연구결과 남 북한을 통틀어서 서울이 가장 취약한 지역으로 나타났으며, 치수 분야에서는 북한의 양강도가 취약성이 낮은 것으로 나타났고, 이수분야에서는 북한의 양강도와 남한의 제주도가 취약성이 낮은 것으로 나타났다. 따라서 본 연구는 남 북한의 지역별 취약성 순위를 통해 우리나라와 북한 수자원의 현황을 제시하며, 미래의 국가 수자원 계획 수립 및 대책을 제시할 수 있는 자료로 활용할 수 있을 것이다.

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A Study on the Risk-based Rainfall Standards Representing Regional Flood Damage (위험기반 지역별 홍수피해 강우기준 산정 방안)

  • Yu, Yeong Uk;Seong, Yeon Jeong;Jang, Woong Chul;Jung, Young Hun
    • Proceedings of the Korea Water Resources Association Conference
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    • 2022.05a
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    • pp.59-59
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    • 2022
  • 세계적으로 지구온난화를 동반한 기후변화로 인해 자연재난이 빈번하게 발생하고 있다. 재해의 발생 유형 중 집중호우와 태풍으로 인한 수문학적 재해가 대부분을 차지하고 있다. 이와 같이 홍수로 인해 발생하는 피해는 강우의 특성과 지역적 특성에 따라 피해의 규모와 범위가 달라진다. 따라서 이러한 이질적인 홍수피해로부터 재산과 인명을 보호하기 위해서는 위해성(Hazard), 노출성(Exposure), 취약성(Vulnerability)을 고려하여 지역 특성에 맞는 홍수방어계획을 수립해야한다. 본 연구에서는 전국 228개 행정구역을 대상으로 과거에 실제로 발생하였던 홍수피해 사례 조사를 통해 지역별 홍수피해 특성을 파악하여 지역 특성을 고려한 홍수피해 강우기준을 제시하고자 하였다. 이를 위해서 재해연보 보고서에 기재되어 있는 과거 홍수피해 기간과 홍수피해액을 수집하였고, 홍수피해 기간동안의 강우량과 뉴스 기사를 수집하여 뉴스 기사에서 언급되었던 홍수피해 현상 정보를 수집하였다. 수집된 홍수피해 정보를 통해 지역별 노출성과 취약성이 반영된 현상기반 강우등급을 제시하였으며, 이와 함께 지역별 강우특성을 나타내며 위해성을 내포하고 있는 확률강우량과의 합성을 통해 위해성, 노출성, 취약성을 고려한 지역별 홍수피해 강우기준을 제시하였다. 대부분 홍수피해에 관한 정보를 재해연보 보고서를 활용하여 수집하지만 홍수피해 현상에 대한 정보를 포함하고 있지 않기 때문에 지역별로 홍수피해로부터 발생하는 홍수피해 유형에 대해 파악하기에는 한계가 있다. 따라서 본 연구에서는 과거 홍수피해가 발생했던 기간에 대해 뉴스 기사를 수집하여 홍수피해 현상 정보를 수집하였고, 수집된 홍수피해 현상 정보를 텍스트 마이닝(Text Mining) 기법을 적용하여 홍수피해 현상 키워드 빈도분석을 통해 어떠한 홍수피해 유형에 취약한지 파악하였다.

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An Evaluation Model for the Major Science Research Facilities and Equipments to Enhance the Competitiveness of the Science and Technology: A Focus on the Test of Reliability and Validity of the Model (과학기술 경쟁력 제고를 위한 대형연구시설 및 장비 평가모형 분석 : 모형의 신뢰성 및 타당성 검토를 중심으로)

  • Kwon, Gi-Heon;Cha, Yong-Jin;Lee, Hong-Jae
    • Journal of Korea Technology Innovation Society
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    • v.10 no.1
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    • pp.121-142
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    • 2007
  • The purpose of this study is to construct the evaluation model for the major science research facilities and equipments to enhance the competitiveness of the science and technology and also to test the reliability and validity of the model. To achieve the purposes, this study theoretically reviews the concept of the major science research facilities and equipments and their characteristics. Through a review of literature, this study draws 11 criteria for evaluating the priorities of the major science research facilities and equipments. These criteria are categorized as two dimensions - 'science & technology' and 'national policy'. The dimension of science & technology includes scientific importance, technological readiness, utilization rate, common utilization rate, and ability of management and operation. The national policy dimension contains degree of correspondence with national science development, imperativeness of national policy, science and technical effectiveness, economic and industrial effectiveness, responsiveness of research demand, and equity among the related institutions. The competitiveness of the science and technology consists of these two dimensions. The evaluation model is established on the framework of criteria. The 18 major science research facilities and equipments are selected through a series of Delphi. The survey of experts (BT, ET, IT, NT and ST) is also implemented to evaluate the 18 major science research facilities and equipments by 11 criteria. The overall results indicate that the reliability and validity of the model are good. The reliability tests show that the five indicators of science & technology and the six indicators of national policy have high internal consistencies. The confirmatory factor analyses reveal that the two constructs - 'science & technology' and 'national policy' - have high convergent and discriminant validity. The correlational analyses also show that the criteria-related validity between them is high. Furthermore, the results of higher order factor analysis indicate that the fit indices of the model are high and suggest a good fit to the data. Based on these findings, the policy implications of the model are discussed.

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A Comparative Study of Korean and United States College Students' Degree of Religiosity, Evolutionary Interest, Understanding and Acceptance and Their Structures (한국과 미국 대학생들의 종교성, 진화 흥미, 진화 개념, 진화 수용의 수준과 구조 비교)

  • Ha, Minsu;Cha, Heeyoung;Ku, Seulae
    • Journal of The Korean Association For Science Education
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    • v.32 no.10
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    • pp.1537-1550
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    • 2012
  • This study aims to explore the differences between Korean and United States college students regarding their degree of religiosity, interest in, understanding and acceptance of evolution, and the effects of their interaction on these variables. A total of one thousand and fifteen Korean and US biology majors and non-majors college students participated in this study and a sub sample of 516 students were randomly selected for statistical tests. The results illustrated that Korean college students harbored significantly lower degrees of religiosity and interest in evolution but significantly higher degrees of knowledge and acceptance of evolution than US college students. The path analysis uncovered that the knowledge of and interest in evolution played a mediating role between religiosity and acceptance of evolution. Korean college students' interest in evolution was less correlated to other variables than US college students' interest. The acceptance of evolution was less predicted by knowledge of evolution in the Korean biology major sample than in the US biology major sample. The acceptance of evolution was predicted more by religiosity in the Korean non-major sample than in US non-major sample. This study suggests that future Korean science curriculum for evolution needs to enhance the degree of students' interest in evolution. In addition, future Korean science curriculum needs an instructional strategy in developing students' ability to make scientific decisions, such as the acceptance of evolution, without interference from their personal religious belief.

Floristic study of Jeonggwangsan Mt. (Yongin, Korea) (정광산(용인시)의 관속식물상)

  • JEON, Ji-Hyeon;CHO, Myong-Suk;GIL, Hee-Young;KIM, Seon-Hee;JUNES, Petra;SEO, Hee-Seung;KIM, Seung-Chul
    • Korean Journal of Plant Taxonomy
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    • v.49 no.1
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    • pp.70-89
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    • 2019
  • In this study, we investigated the flora of Jeonggwangsan Mt. (Yongin, Korea) from May of 2015 to September of 2016. Through 14 independent field investigations, we identified a total of 367 taxa of vascular plants, including 89 families, 234 genera, 323 species, six subspecies, 34 varieties, and four formae. Eight taxa were endemic to Korea, while 27 were naturalized in Korea. Nineteen taxa were the floristic regional indicator plants in Korea: four in Rank VI, four in Rank III, two in Rank II, and nine in Rank I. A total of 59 taxa were designated as controlled Korean biological resources, requiring special permission for export to outside countries. Two taxa were listed on the Red List of Korea, including one Near Threatened (NT) taxon (Hololeion maximowiczii Kitam.) and one Least Concern (LC) taxon (Iris minutoaurea Makino).

'도서관에서 작가/과학자를 만나다' 프로젝트를 진행하며

  • Yu, Tae-Hyeong
    • KLA journal
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    • v.45 no.11 s.354
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    • pp.27-28
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    • 2004
  • 우리 협회는 2004년 9월에서 10월까지 약 2달 동안 한국과학문화재단, 21세기한국생명과학발전연구회와 여러 출판사들의 후원과 협조로 문화소외지역(인구 15만명 미만)의 공공도서관 및 대학도서관을 대상으로 '도서관에서 작가/과학자를 만나다' 강연회 행사를 개최하였다. 우리 협회는 이번 사업을 통하여 ▲ 도서관을 통한 지역문화 활성화에 기여하고, ▲ 직접 만나기 어려웠던 작가/과학자를 직접 만날 수 있는 기회를 제공하여 지역 주민들의 독서 문화 진흥에 도움을 주고자 하며, ▲ 청소년들과 시민들에게 과학문화에 대한 이해를 높이고 자연과학분야에 대한 관심을 끌어낼 수 있는 기회를 갖고자 하였다. 본지 11월호 특집에서는 총26개 공공도서관과 1개 대학도서관 그리고 18명의 작가와 14명의 과학자가 참여한 '도서관에서 작가/과학자를 만나다' 행사를 돌아보는 의미에서 협회 사무국 담당자, 행사에 참여한 작가와 과학자, 도서관측 담당자, 출판사측 담당자의 글을 준비했다. 행사현장의 분위기와 사업추진 경과, 성과 등을 함께 나누어보기를 바란다.

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A Method of Building a Science Technology Glossary using National R&D Project Keyword (국가R&D 과제 키워드를 활용한 과학기술용어사전 구축 방안)

  • Kim, Tae-Hyun;Jo, Wooseung;Yu, Eunji;Kang, Nam-Gyu;Choi, Kwang Nam
    • Proceedings of the Korea Contents Association Conference
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    • 2019.05a
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    • pp.181-182
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    • 2019
  • 국가과학기술지식정보서비스(NTIS)는 국가R&D 과제정보를 중심으로 참여인력, 성과(물), 참여기관 등의 정보를 연계하여 제공하고 있다. 각 과제정보는 한글 및 영문 키워드와 과학기술표준분류를 포함하고 있어, 과제정보를 중심으로 한 국가R&D정보 검색 및 분류에 활용하기 적합하다. 이러한 국가R&D정보를 서비스함에 있어 단순 검색을 벗어나 다양한 형태로 가공된 정보를 제공하기 위해서는 국가R&D 정보에 적합한 과학기술용어사전 구축이 필수적이다. 본 논문에서는 국가R&D 과제 키워드를 활용해 국가R&D정보에 적합한 과학기술용어사전을 구축하는 방안을 제안하고자 한다.

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The Analysis of Level and Structure of Natural Science High School Students' Science Motivation Compared to General High School Students' (일반고 학생들과의 비교 분석을 통한 자연과학고 학생들의 과학 동기 수준 및 구조 분석)

  • Ha, Minsu;Kim, Miyoung;Park, Kyung-Hwa;Lee, Jun-Ki
    • Journal of The Korean Association For Science Education
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    • v.32 no.5
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    • pp.866-878
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    • 2012
  • The Natural Science High School is specialized in vocational education or training related to natural sciences such as biology or chemistry. Therefore, natural science high school students are expected to possess a high level of science learning motivation. This study aims to explore natural science high school students' level and structure of science learning motivation by comparing students in general high school. One hundred ninety three students from a natural science high school and 208 from a general high school participated in this study. We administered a questionnaire that consisted of seven science motivation components: 1) career motivation; 2) science grade motivation; 3) understanding the relevance of scientific knowledge; 4) need for learning science; 5) self-determination; 6) self-efficacy; and 7) attitudes toward science class. We employed independent t-test, path analysis, bivariate correlation, and stepwise multiple-regression for the statistical analyses. Our findings illustrated that the natural science high school students' levels on all seven variables were significantly lower than the general high school students.' The path analysis illustrated that career motivation and science grade motivation had relatively stronger influence on self-determination and self-efficacy in the natural science high school student sample than in the general high student sample. The explanatory powers of four independent variables (career motivation, science grade motivation, understanding the relevance of scientific knowledge, and need for learning science) predicting self-determination and self-efficacy were 30% higher in the natural science high school student sample than in the general science high student sample. These results suggested that natural science high school students' science learning motivation may be easier to change by extrinsic motivations such as career and science grade motivation.

The Relationship between Students' Out-of-school Science Experience and Their View on the Nature of Science (학생들의 학교 밖 과학 경험과 과학의 본성에 대한 견해 사이의 관계)

  • Kang, Suk-Jin
    • Journal of the Korean Chemical Society
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    • v.56 no.3
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    • pp.378-385
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    • 2012
  • In this study, the relationship between students' out-of-school science experience and their view on the nature of science was investigated. The participants were 267 sixth graders, 281 eighth graders, and 307 tenth graders from schools in Seoul. A test of views on the nature of science which consists of five items concerning the purpose of science, the definition of scientific theory, the nature of scientific model, the tentativeness of scientific theory, and the origin of scientific theory was administered. Students' out-of-school science experiences were measured with a subscale of the modified Science Experience Survey consisting of seven items. The results indicated that no statistically significant relationship was found between students' out-of-school science experience and their view on the nature of science in sixth graders. In eighth graders, high level students in terms of out-of-school science experiences were found to possess more contemporarily epistemological view in the item concerning the nature of scientific model but more falsificationist view in the item concerning the tentativeness of scientific theory. High level tenth graders in terms of out-of-school science experiences exhibited more epistemologically sophisticated understandings of the nature of science than their counterparts in the items concerning the purpose of science, the definition of scientific theory, and the nature of scientific model.

Exploring Ways to Improve Integrated Science and Science Laboratory Experiments in Preparation for the 2022 Revised Curriculum (2022 개정 교육과정에 대비한 과학과 통합과학 및 과학탐구실험 교육과정 개선 방안 탐색)

  • Kwak, Youngsun;Shin, Youngjoon
    • Journal of Science Education
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    • v.45 no.2
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    • pp.143-155
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    • 2021
  • The goal of this study is to examine the Integrated Science and Science Laboratory Experiments of the 2015 revised curriculum applied since 2018, and to explore ways to improve these two subjects in preparation for the 2022 revised curriculum. A survey was conducted by randomly sampling high schools across the country, with a total of 192 science teachers participating. In addition, 12 high school science teachers were selected as focus group, and in-depth interviews were conducted to investigate ways to restructure common science courses for the next curriculum. Main research results include that most schools were operated in 6~8 units for Integrated Science, and the teachers in charge of Integrated Science per class averaged 2~3 over the three years. For Science Laboratory Experiments, it has operated for a total of two semesters, one unit per semester, and it was found that several science teachers are in charge of Science Laboratory Experiments to fill the insufficient number of hours regardless of major. In the in-depth interview, science teachers argued that Integrated Science should be reduced and restructured by strengthening key competencies in preparation for the high school credit system. Based on the research results, ways to reorganize Integrated Science focused on big ideas, ways to construct common science courses based on fundamental science concepts that can guide elective courses, the necessity of career guidance through common science courses, and the necessity of strengthening teacher professionalism for teaching interdisciplinary and multidisciplinary subjects were suggested.