• 제목/요약/키워드: cliff

검색결과 184건 처리시간 0.021초

GPS보정항법 시스템을 활용한 절개지 위치조사 기법 (Location Technique of Cutting Area Used by GPS Augmentation System)

  • 강호윤;강인준;송석진
    • 한국측량학회지
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    • 제27권5호
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    • pp.629-635
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    • 2009
  • 최근 이상기후로 인한 집중호우의 증가로 절개지 붕괴사고가 빈번하게 발생하고 있다. 절개지 붕괴사고는 재산 및 인명피해에 가장 큰 영향을 끼치고 있어 적극적인 대책마련과 관리체계가 시급한 편이다. 따라서 본 연구에서는 절개지의 효율적인 관리를 위해 절개지 위치기반의 형상조사기법에 대해 연구를 하였다. 기존의 핸드 GPS방법과 GPS보정항법시스템 인 SBAS신호를 활용한 DGPS방법의 비교분식을 실시하였다. 연구결과 기존의 방법의 경우 절개지의 정착한 형상파악에는 어려움이 있었으나 DGPS를 활용할 경우 사면의 형상파악 및 정확한 위치파악이 가능하였다. 따라서 기존에 포인트 위주의 사면관리에서 폴리곤기반의 절개지 관리가 가능하여 절개지 주변의 지형적인 여건을 고려한 절개지 방지대책 수립이 가능하다.

중학생이 지각한 부모의 학대와 자녀의 부적응 (Parental Abuse and Maladjustment Perceived by Middle School Student)

  • 강경아;류점숙;신효식
    • 한국가정과교육학회지
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    • 제10권2호
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    • pp.43-55
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    • 1998
  • This study investigated the relationship between parental abuse and maladjustment per ceived by middle school student. The subjects were 448 middle school students in Kwangju. The main results of this study were as follows ; 1. There were found significant differences according to background variables in parental abuse and maladjustment. Physical abuse was found significantly different according to gender of the child and unreasonable rearing behavior of the parents, but emotional abuse was found significantly different according to job of the father and unreasonable rearing behavior of the parents. And, neglect was found significantly different according to educational level of the father and unreasonable rearing behavior of the parents. Social withdrawal was found significantly cliff erent according to gender of the child, family income and unreasonable rearing behavior of the parents, but hyperactivity was found significantly different according to gender of the child and unreasonable rearing behavior of the parents. Agression and retreat were found significantly different according to gender of the child and unreasonable rearing behavior of the parents. Obsessive-compulsion was found significantly different according to unreasonable_ rearing behavior of the parents. 2.There were significantly positive correlation between parental abuse and maladjustment. 3. The findings of multiple regression analysis demonstrated that neglect, physical abuse, family income, gender of child were found to be important variables in predicting social with drawal. Neglect, unreasonable rearing behavior of the parents, phsical abuse, gender of child were found to be important variables in predicting hyperactivity. Neglect, emotional abuse, and unreasonable rearing behavior of the parents were found to be important varialbes in predicting aggression. Gender of the child. emotional abuse, and unreasonable reanng behavior. of the parents were found to be important variables in predicting retreat. And, unreasonable rearlng behavior of the parents. neglect. and physical abuse were f ouod to be Importan variabJes in predicting obsessive-compulsion.lsion.

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지오 투어리즘(Geo-tourism)을 위한 대구 앞산 활용방안 (Geo-tourism : A Practical Application to Mt. Apsan in Daegu)

  • 전영권
    • 한국지역지리학회지
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    • 제11권6호
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    • pp.517-529
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    • 2005
  • 연간 1,600여만 명이 찾는 대구 앞산에는 10여 개의 골짜기가 분포하며, 골짜기를 따라 이어지는 등산로에서는 다양한 지형 관찰이 가능하다. 본 연구에서는 탐방객들의 접근성과 지형자원 볼거리 면에서 세 곳의 골짜기(고산골.안지랑골.달비골)를 대상으로 지오투어리즘(geo-tourism) 관점에서 지형관찰 학습장 및 탐방로를 조성하여 보았다. 1) 앞산에서 볼 수 있는 대표적인 지형은 하식애, 풍화동굴, 수직암벽, 건열화석, 연흔화석, 습곡지형, 판상절리지형, 너덜지대, 선상지, 돌개구멍, 단층선, 가마솥바위, 주상절리지형, 변성암 등이다. 2) 앞산에서 볼 수 있는 지형을 대상으로 일반인도 이해할 수 있을 정도 수준의 설명문을 개발하였다. 3) 탐방객들의 학습효과를 높이기 위하여 골짜기별, 탐방객 체류 시간별로 아홉 가지의 지형관찰 탐방로를 개발하였다.

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갯기름나물 군락군의 해안과 지형 별 종조성 및 생육양상 (Growth Pattern and Species Composition by Landform and Seaside Distribution of Peucedanum japonicum Thunb. Community Group in Korea)

  • 송홍선;조우
    • 한국환경생태학회지
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    • 제21권1호
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    • pp.74-81
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    • 2007
  • 본 연구는 한국 갯기름나물의 지형적 분포와 해식애 군집구조의 기초자료로 제공하기 위하여 해안과 지형별 종조성 및 생육양상을 조사한 바 이의 결과를 요약하면 다음과 같다. 갯기름나물과 동반 출현하는 식물은 57과 130속에 속한 170 분류군이었으며, 과별로는 국화과가 30 분류군으로 가장 많았다. 출현빈도가 가장 높은 식물은 해국(54.1%)이었고, 해안별로는 동해안과 서해안에서 해국, 남해안에서 억새의 출현빈도가 가장 높았다. 해안별 공통종은 서해안과 남해안간이 35.6%(47 분류군)로서 가장 높았고 다음으로 동해안과 서해안(30.4%), 동해안과 남해안(26.4%)순이었다. 갯기름나물이 출현하는 해안지형은 경사도 $17.4^{\circ}$의 해식애 암석해안, 평탄면, 암괴원, 수평절리, 수직절리, 요철지형이었고 지형 별 분포지역은 암석해안이 61 지역으로 가장 많았다. 군도에 따른 갯기름나물의 생육양상은 군도계급 3이 83지역(54.6%)으로서 가장 많았다.

주왕산국립공원의 특정식물 분포 특성분석 (Analysis on Characteristics of Distribution of Specific Plants in Juwangsan National Park, Korea)

  • 유주한;서정근;정성관
    • 한국환경과학회지
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    • 제22권7호
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    • pp.873-884
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    • 2013
  • This study was carried out to establish the conservation plan of specific plants by surveying and analyse the individuals and the environment of habitats on specific plants designated by Juwangsan national park office. The specific plants were 14 species including Berchemia berchemiaefolia, Hylotelephium ussuriense, Aristolochia manshuriensis, Lilium cernuum, Thalictrum coreanum, Exochorda serratifolia, Lilium distichum, Aristolochia contorta, Jeffersonia dubia, Eleutherococcus senticosus, Salix chaenomeloids, Eranthis stellata, Scopolia japonica, and Paeonia japonica. The habitats of specific plants were 40 sites including Berchemia berchemiaefolia of 11 sites, Hylotelephium ussuriense of 8 sites, Lilium cernuum and Thalictrum coreanum of each 3 sites, Exochorda serratifolia of 2 sites, and Lilium distichum, Aristolochia contorta, Jeffersonia dubia, Eleutherococcus senticosus, Salix chaenomeloids, Eranthis stellata, Scopolia japonica and Paeonia japonica of each 1 site. The altitude was the most in 300~400 m. In direction, NW was the most, and it showed SW in that order. The slope angle was the most in 0~10%, and the cliff showed in that order. In the results of species composition by stratum layer, Berchemia berchemiaefolia had the most, 15 species, in tree layer. In shrub and herb layer, this had the most as 20 species and 29 species, too. The species that occupied the largest size was Salix chaenomeloids in 2,500 $m^2$, and Jeffersonia dubia showed 1,500 $m^2$ in that order. The conservation of specific plants is to accomplish the ex situ and in situ conservation at the same time.

고회화의 생활 복원과 공간.형태 심층관찰을 통한 죽서루 해석 (Interpretation of the Jukseoru Pavilion by Restoring Life from Old Pictures and Deep-Observing the Form and Space)

  • 이희봉;문지은
    • 건축역사연구
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    • 제19권6호
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    • pp.233-250
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    • 2010
  • Jukseoru as an official pavilion of the government, one of the eight sceneries in Gwndong Area, is located on the cliff over Osipcheon River. This paper interprets form and space of the pavilion with restored old life by analyzing pictures of official party in 18th century in Chosun Dynasty. Every part of the space is occupied by persons by the class and duty: the pricipal guest, nobles, subordinates, gisaengs, court musicians, and guards from the high to the low and from the inside to the outside. Applying the analysis to the Jukseoru pavilion, the noblest lord takes sit on the platform in front of folded screen at main bay under checked ceiling, enclosed by low timber beam. The next northern end bay is a place for subordinates' and servants' waiting for preparation for rice wine. Southern end entrance bay is not a result of later addition but deliberately and originally made for lower place outside the railing of wooden floor: for a waiting woman gisaeng, and subordinates. Outside under the eaves on the platform with bedrock, artificial stone and soil is a place for court musicians, subordinates, and guards. The yard in front of the building is a place for preparing meals by cookers. Every detailed ornamental form is different each other by the place for the occupied class. Existing theory tells that the building, 7 bays gable-and-hipped roof, is a result of structural extention of 2 bays at the 5 bays gabled-roof. However, through the interpretation of old pictures and application to the pavilion, the present Juseoru is not a result of later structural addition, but deliberately designed creation suited to life in hierarchical traditional society.

희귀수종 향나무 자연집단의 분포와 성간 동태 및 보존 (The Distribution and Dynamics between Sexes, Conservation of Natural Populations of a Rare Woody Plant, Juniperus chinensis L.)

  • 신재권;정재민;김진석;윤충원;신창호
    • 한국자원식물학회지
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    • 제28권4호
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    • pp.400-410
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    • 2015
  • Juniperus chinensis (Cupressaceae) is a valuable woody plant resource, but this rare plant is only distributed in restricted regions in Korea. In this study, we surveyed the geographic distribution regions, variation of sex ratio and the dynamics of natural populations of J. chinensis. in order to establish conservation strategies for the sustainable conservation of this important resource tree. The 17 natural populations of J. chinensis are restrictively distributed in the shore cliffs of (1) Ulleungdo island, (2) Gyeongju-si to Gangneung-si of the eastern coast, the riverside cliff along (3) Donggang-river of Jungsun-gun and Pyeongchang-gun and (4) branch of Nakdonggang-river in Uiseong-gun. The populations in Ulleungdo island showed continuous population distribution of over 200 individuals, but populations in other regions had discontinuous population distribution of under 200. The population of J. chinensis surveyed in Korea was estimated in ca. 3,200 individuals. The sex ratio (male/female) among populations of J. chinensis was diverse with variation from 0.46~1.67 range, but showed no significance. The sex ratio of the total individuals by species level was 0.74, and the percentage of female tree was significantly higher than the male. The results of dynamics analysis within population among regions showed that seedlings and saplings of J. chinensis in three regions surveyed were continuously regenerating. The distribution of DBH class showed a stable population structure of inverse J shape graph, but fragmentation and decrease in populations because of invading broad-leaved shrubs and trees from the surroundings were concerned. Further studies, and in situ and ex situ conservation strategies for the sustainable conservation on natural populations of this rare resources woody plant, J. chinensis in Korea are recommended.

경남지방 별서의 경관적 특징에 관한 연구 (A Study on the Landscape Characteristics of Byeolseo in Gyeongnam Province)

  • 안계복;오태호
    • 한국전통조경학회지
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    • 제28권4호
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    • pp.28-35
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    • 2010
  • 별서(別墅)란 '본채와 나누어져 있는 별도의 장소에 거처할 곳'을 만든 것을 의미한다. 경상남도의 별서 건축물인 정자의 평면형태를 조사한 결과, 다른 지방과 달리 모든 형태(중심형, 편심형, 분리형, 무실형)들이 모두 고르게 나타나는 것이 특징이었다. 또한 별서의 가장 대표적인 입지유형은 "강변에 절벽이 있는 언덕 위"라고 할 수 있다. 경남지방의 별서는 수경(水景)과 더불어 바위경관(암경 巖景)이 중요한 특징을 나타내는 역할을 한다. 별서의 수경관 구조는 하천이나 계류와 연계된 "폭포+소+급류"의 구조가 가장 대표적이다. 별서의 바위경관은 인위적으로 석가산을 쌓거나 돌을 배치하기보다 자연에 있는 암반과 바위, 대(臺)를 이용하는 경우가 훨씬 많다. 경남지방의 별서는 주로 원경(遠景)과 다경(多景)을 경관처리기법으로 사용하였으며, 별서의 평균조망거리는 5.6km이다.

석조문화재 적용을 위한 강화제 및 충전제 현장실험 : 초음파 속도를 이용한 일차검증 (Field Experiments of Consolidant and Filler for Stone Cultural Heritage: Primary Verification Using Ultrasonic Velocity)

  • 송치영;전병규;한민수;이장존;김사덕
    • 보존과학회지
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    • 제25권1호
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    • pp.87-100
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    • 2009
  • 알칼리화강암으로 구성된 경주 남산 삼릉계곡 선각육존불 주변 암반을 대상으로 보존처리제 성능을 평가하였다. 이 연구에 적용된 보존처리제는 에틸실리케이트 계열의 암석 강화용 처리제와 에폭시 계열의 수지이다. 처리과정은 에폭시 계열의 수지를 박리면에 주입 후 암석 강화용 처리제를 총 3차례 도포 하였으며, 처리 전과 후의 물성 변화를 비교하기 위해 초음파 속도를 측정하였다. 초음파속도 측정 결과, 박리면 주변의 저속도대는 강화제 및 충전제 처리 후 평균 27.8%의 속도 증가가 나타났다. 이 결과는 석조문화재에 대한 보존처리제의 강화 효과를 입증하는 것으로서, 최소 3회 정도를 처리하는 것이 효과를 극대화 시키는 것으로 나타났다.

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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.