• 제목/요약/키워드: science field study area

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Differences in Density and Body Condition of Small Rodent Populations on Different Distance from Road

  • Hur, Wee-Haeng;Lee, Woo-Shin;Choi, Chang-Yong;Park, Young-Su;Lee, Chang-Bae;Rhim, Shin-Jae
    • 한국산림과학회지
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    • 제94권2호통권159호
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    • pp.108-111
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    • 2005
  • This study was conducted to identify the road effect on small rodent populations within fragmented forest areas around the road from June to September 2002, in 9 study sites of Baekdugdaegan mountains, Korea. Two species of small rodents, Korean field mouse Apodemus peninsulae and striped field mouse Apodemus agrarius, were captured in this study. Korean field mouse preferred forest area, and striped field mouse generally has been found edge area around road. Mean body weight of Korean field mouse was significantly different, but that of striped field mouse was not between both distance from road. Korean field mouse is forest-dwelling species and their distribution is limited in forest area. In contrast, striped field mouse has wide distributional range around road. The effects of road is different in each small rodent species and their habitat preferences.

초등학교 야외 지질학습현장 개발 및 활용방안 (Development of Geological Field Courses and Its Application Method for Elementary School Students)

  • 배창호;김정길;김해경
    • 한국초등과학교육학회지:초등과학교육
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    • 제21권2호
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    • pp.241-252
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    • 2002
  • Field learning have not well performed in elementary school for various reasons, in spite of the benefits of field study. Absence of suitable geological field courses for elementary science education is one of several reasons The purpose of this study is to develop learning materials for the field geology in Hampyeong region and apply them to the geological related units for elementary science education. The 5 observation sites for the field geology learning in study area include various rocks and geological structure such as granite, gneiss, conglomerate, sandstone, mudstone, plant fossil, fold, fault and weathering phenomenon changing rocks to soil. This study area is suitable place for the field geology learning of elementary science education in Kwangju and Chonnam province because of convenience access, fresh outcrops and distribution of various geological learning materials as rocks and structure.

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지역 지질을 활용한 초등학교 야외지질학습장의 개발 - 오동도를 중심으로 - (Development of Outdoor Geological Field Course for Elementary School Using Local Geology - Centers on the Odongdo-)

  • 김해경
    • 대한지구과학교육학회지
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    • 제8권2호
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    • pp.128-138
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    • 2015
  • The purpose of this study is to examine potential as a geological field course of Odongdo located to the east of Yeosu city, Korea. The total area and the height from the sea level of Odongdo is about 0.13km2 and 42m, respectively. Odongdo area belongs to the Hallyeohaesang National Marine Park, and is famous for rock scenery in the rocky coast and living of rare plants. For this study, diversity of geomorphology and geology was investigated at the sites called as dragon cave, windy area, seal rocks, sunrise viewing platform, second seashore rocks and first seashore rocks along the coast of Odongdo. The results of this study are as follows: A lot of geomorphological and geological resources like sea cliff, sea cave, strata, various sedimentary rocks(conglomerate, sandstone, mudstone), andesite, fault and examples of rock weathering were found in the rocky coast of the study area. These field resources are pertinent to the field work materials for the teaching and learning of geology units in elementary school science. Odongdo is to be recommended as a site of outdoor geological field course for the elementary school students inhabited in Yeosu city and neighborhood area because each site of the rocky coast in this study area has various field work materials and the wide space for observe activities, and is equipped with the facilities as a trail for rock observation.

충북 영동 지역의 과학학습장을 활용한 토포필리아 야외지질학습 프로그램 개발 (Development of a Program for Topophilia Geological Fieldwork Based on Science Field Study Area in Youngdong, Chungcheongbuk-do)

  • 윤마병;남기수;백제은;이종학;봉필훈;김유영
    • 대한지구과학교육학회지
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    • 제10권1호
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    • pp.76-89
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    • 2017
  • 본 연구는 충북 영동군 지역의 금강과 화석산지, 다양한 지질구조를 교육자원으로 하여 과학학습장을 개발하고, 이를 활용하여 지구과학 학습과 토포 필리아를 함양할 수 있는 교육 프로그램을 구안하는 것이다. 영동 퇴적층(백악기)은 금강을 따라 신선한 노두가 잘 발달되어 있어서 다양한 지질구조와 식물화석, 공룡 발자국 화석을 쉽게 찾을 수 있고, 건열과 연흔, 사층리 등 뚜렷한 퇴적구조가 잘 나타난다. 교육과정과 교과서 분석, 전문가 패널의 협의를 통해 야외학습장(관찰지점 6곳)을 개발하여 융합교육 프로그램으로 구안했다. 개발 프로그램에 대한 내용타당도 검증 결과, 모든 검사 항목에서 양호했다($CVR{\geq}0.88$). 야외학습 모형에 따라 수업에 적용한 결과 수업 만족도는 매우 긍정적으로 평가되었다(4.18). 과학학습장에서 진행된 야외 수업과정을 관찰한 결과, 학생들은 금강의 아름다운 경관 이미지를 새롭게 형성하였으며 다양한 구체물(모래사장, 징검다리, 공룡 발자국 화석, 퇴적구조 등)에 대한 개념과 가치, 의미를 새롭게 인식하게 되면서 토포필리아를 갖게 되었다.

소비자학분야의 대학교과과정개발에 대한 연구 (A Study on Curriculum Development in the Field of Consumer Science)

  • 여정성
    • 대한가정학회지
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    • 제31권1호
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    • pp.1.1-11
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    • 1993
  • The purpose of this study is to develop the curriculum in the field of Consumer Science through the analysis of current curricula which are offered within Home Economics units in Korea and the U.S. A field of Consumer Science was proposed to be divided into two different area, the area related to household economy and the area related to consumer problems. The area related to household economy includes the subfield of household economics and the subfield of family financial management. The area related to consumer problems are the subfield of consumer decision-making, the subfield of consumer education, and the subfield of consumer protection policy. And the new curriculum based on this classification was developed and discussed with respect to the purpose and content of lectures.

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코발트-60의 조사야(照射野) 변형(變形) 및 반음영(半陰影) 차폐(遮蔽)효과에 따른 선량분포(線量分布)에 관한 연구(硏究) (A Study on the Dose Distribution of Various Field and Penumbra Shield in the Telecobalt-60)

  • 김영일;이혜경
    • 대한방사선기술학회지:방사선기술과학
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    • 제8권2호
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    • pp.71-72
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    • 1985
  • This study was performed on the dose distribution of various field size and the effect of penumbra shield in the telecobalt unit. The results obtained are as follows. 1. Errors of the light and ${\gamma}-ray$ field size was below the regulation as 0.52 percentage. 2. The coefficient of field area was increased with the larger field area, and this coefficient was showed the more difference in larger SSD. 3. The rectangular field areas, which were described by level of the same percentage depth does, were decreased with the more elongation factor. At the same elongation factor, the compensating factor was decreased with the larger field size. 4. The lead block or extension collimator was able to shield r-ray exposure of outside field size from 50 to 80 percentage. 5. On the matching adjacent fields, while the gap between beam edges are contacted, that overlapped beam edges indicated up to 140 percentage, and while the gap was 1 cm, it could be reduced to 90 Percentage. The lead-libocking on the overlapped area was more effective to lower dose, as 80 percentage in this case. 6. Percentage depth dose of various trimming field sizes were increased linearlly according to area 1 perimeter size, but the center split field size did not maintain linearlly.

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독서과학의 학문적 체계에 관한 연구 (A Study on the Academic System of Science of Reading)

  • 변우열
    • 한국도서관정보학회지
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    • 제47권2호
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    • pp.27-50
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    • 2016
  • 이 연구는 미국과 일본의 독서과학의 학문적 체계와 우리나라 대학의 학부와 대학원의 독서학과와 독서교육전공의 교육과정을 살펴보고, 이를 기초로 독서과학의 학문적 체계에 대한 원칙을 수립하여 독서과학의 학문적 체계를 제안한 것이다. 미국의 독서과학 연구영역은 독서사회학, 독서생리학, 독서심리학, 독서교육학의 4가지로 구분하고 있다. 일본의 독서과학 연구는 미국의 영향을 받아 독서과학의 연구영역을 독서사회학, 독서생리학, 독서심리학, 독서교육학으로 구분하고 있다. 그러나 실복무(室伏武)는 독서과학 교육과정을 기초분야, 독서자료분야, 독서교육의 방법분야, 독서교육 관리분야, 독서과학 인접학문 분야로 구분하고 있다. 우리나라 대학에 개설되어 있는 독서과학 교육과정을 비교하고 분석한 결과 독서과학의 영역은 독서사회학, 독서심리학, 독서교육방법학, 독서자료학, 독서와 관련된 인접과학의 5가지로 구성되어 있다. 이상의 내용을 기초로 새로운 독서과학의 학문적 체계를 제시해 보면 독서과학의 기초, 독자 영역, 독서자료 영역, 독서지도자의 교육 영역, 독서과학의 인접학문으로 구분할 수 있다.

Rice cultivars adaptable for rice based cropping systems in a paddy field in the Yeongnam plain area of Korea

  • Kim, Sang-Yeol;Seo, Jong-Ho;Bae, Hyun-Kyung;Hwang, Chung-Dong;Ko, Jong-Min
    • 농업과학연구
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    • 제45권3호
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    • pp.355-363
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    • 2018
  • This study was conducted to investigate suitable rice cultivars for various rice based cropping systems in a paddy field in the Yeongnam plain area. Thirteen rice cultivars (5 early, 3 medium and 5 mid-late maturing cultivars) and three transplanting dates (June 5, June 25 and July 5) were evaluated in this study. The mid-late and early maturing cultivars for the July 5 and June 25 transplanting headed before August 30 which is the safe heading date in the Yeongnam plain area, ranging from Aug. 26 - 28 and Aug. 18 - 23, respectively. The safe harvest time of rice for double and triple cropping systems should be before the middle of October for the cultivation of the succeeding winter crops. The rice yield was the highest for the June 5 transplanting regardless of the rice cultivars, and it gradually decreased as the transplanting date was delayed from June 5 to July 5 due to a decrease in the spikelet numbers per panicle number and in the ripened grain rate. In contrast, the other yield parameters that include the panicle number per $m^2$, the 1,000-brown rice weight, and the ripened grain ratio were not significantly affected. The result indicates that based on the milled rice, heading time and harvest time, a medium maturing cultivar (Haiami and Samdeog) would be applicable to a winter barley/wheat, garlic/onion-summer rice double cropping, while a mid-late cultivar (Saeilmi, Saenuri and Hyunpoom) would be suitable for a spring potato/waxy corn-summer rice double cropping in the Yeongnam plain area. On the other hand, an early maturing cultivar (Unkwang, Jokwang and Haedamssal) would be preferable for a triple cropping because of the short growth period of rice.

구면부분지역에서의 퍼텐셜마당의 상향연속 (Upward Continuation of Potential Field on Spherical Patch Area)

  • 나성호;정태웅;신영홍
    • 지구물리와물리탐사
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    • 제15권4호
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    • pp.245-248
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    • 2012
  • 일정고도에서 얻어진 중력 혹은 자력탐사자료에 대하여 보다 높은 고도에서의 값으로 연속하여 구하는 방법, 즉 상향연속의 경우 2차원 푸리에변환을 사용할 수 있다. 기존의 상향연속 방법에서는 지구의 곡률이 고려되지 않았으나, 지역이 수백킬로미터 이상으로 넓은 경우 곡률이 고려됨이 바람직하다. 본 연구에서는 지구의 곡률효과를 산정하는 중/자력 마당의 새로운 상향연속방법을 계발하였다.

관찰 평가를 통한 과학영재의 특성 비교 - 정보과학영재를 중심으로- (Analysis of Science Gifted characterization through observing evaluation)

  • 서성원;김의정
    • 한국정보통신학회:학술대회논문집
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    • 한국해양정보통신학회 2009년도 춘계학술대회
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    • pp.517-520
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    • 2009
  • This dissertation was aimed at finding an implication of selecting and educating the gifted of information science discovering features of gifted learner in the field of math and science and the gifted of information science through comparative analysis of observing evaluation for the gifted of information science. Subjects of the study are foundation course learners of University Science Education Institute for the Gifted in the field of physics, earth science, math, information science. We have compared the features of learners of each field through one-way ANOVA about an observing evaluation for one year. In consequence, information science learners showed mostly different features from physics and earth science learners in details of an attitude area and a problem solving area. On this, the researcher concluded that there must be features of the gifted on information science and their difference from gifted learners in math and science was caused by learner levels and features of each field. Based on the result of this study, we expect that we can imply it to selecting and educating the gifted of information science.

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