• Title/Summary/Keyword: 신안군

Search Result 112, Processing Time 0.032 seconds

The First Installation of 154kV AC Submarine Power Cable System in Korea (국내 최초 154kV AC 해저케이블 건설)

  • Shon, Hyoung-Soo;Min, Byeong-Wook;Im, Jong-Ryeal;Kim, Jae-Seung;Hong, Jong-Chun;Lee, Ik-Heung
    • Proceedings of the KIEE Conference
    • /
    • 2011.07a
    • /
    • pp.572-573
    • /
    • 2011
  • 본 논문에서는 신안군 도서지역의 안정적 전력공급 및 해저송전선로 건설기술 국산화를 위하여 국내 최초로 제작, 설치된 154kV급 AC 해저송전선로에 대한 케이블 구조, 시스템 및 보호공법 등 전반적인 내용에 대하여 소개하였다.

  • PDF

Summer Marine Algal Vegetation of Uninhabited Islands in Sinangun, Southwestern Coast (남서해안 신안군 무인도서의 하계 해조식생)

  • Oh, Byoung-Geon;Lee, Jae-Wan;Lee, Hae-Bok
    • ALGAE
    • /
    • v.20 no.1
    • /
    • pp.53-59
    • /
    • 2005
  • The objective of this study was to clarify marine algal flora and community structure of 16 uninhabited islands in Sinangun area, south western coast of Korea. As a result, a total of 63 species - 11 greens, 16 browns and 36 reds - was identified. The functional groups of marine algal species were filamentous 14.3%, foliose 20.5%, corticated 45.3%, leathery 13.7%, and articulated calcareous algae 6.2%. The (R+C)/P value was calculated as 2.9 showed temperate flora. The result of DCA showed that 16 uninhabitated islands tend to be distributed eastern and western parts. The dominant species was Ulva pertusa, while the subdominats were Gelidium divaricatum, Myelophycus simplex. The vertical distribution pattern of intertidal marine algae represented three distinct zones; Gloiopeltis furcata, Myelophycus simplex, Gelidium divaricatum - Ulva pertusa, Enteromorpha spp., Ishige okamurae - Ulva pertusa, Sargassum thunbergii, Symphyocladia latiuscula.

Viburnum japonicum (Caprifoliaceae) : an unrecorded species in Korea (푸른가막살(인동과): 우리나라 미기록종)

  • Hong, Hang-Hwa;Im, Hyoung-Tak
    • Korean Journal of Plant Taxonomy
    • /
    • v.33 no.3
    • /
    • pp.271-277
    • /
    • 2003
  • We report an unrecorded species of Viburnum, V. japonicum (Thunb.) Sprengel, found in Gageo-do Island, a subtropical zone in Jeollanam-do Province. We named a species Foo-reun-ga-mak-sal. It is easily distinguishable from other recorded species of Viburnum by the characteristics such as exposed winter buds and indeciduous leaves with lustrous and glabrous texture.

Study of vascular hydrophyte vegetation and biomass in Bigumdo, Shinangun, Korea (신안군 비금도의 관속수생식물의 식생 및 생산량(Biomass)에 관한 연구)

  • Yang, Hyo-Sik
    • Journal of Wetlands Research
    • /
    • v.8 no.2
    • /
    • pp.65-74
    • /
    • 2006
  • A study of the vascular hydrophyte communities and biomass was undertaken in the Bigumdo wetlands, Shinangun, from March to November, 2005. As a result, the vegetation was divided into 14 communities. Among them, emergent hydrophytes consisted of 6 communities, including Miscanthus sacchariflorus community, Phragmites communis community, Typha angustata community, Leersia japonica community, Paspalum disticum var. indutum community, and Persicaria thunbergii community, floating hydrophytes 5 communities including Hydrocharis dubia community, Nelumbo nucifera community, Euryale ferox community, Trapa japonica community and Nymphaea tetragona var. angusta community, free-floating hydrophytes 2 commuinties including Lemna paucicostata community and Spirodela polyrhiza community, and submergent hydrophyte 1 community, including Myriophyllum verticillatum community. Biomass was the highest at emergent hydrophytes and decreased along the life form, in the order like floating hydrophytes, submergent hydrophyte and free-floating hydrophytes. In addition, hydrophytes in the Bigumdo wetland showed the typical vertical zonation pattern like a natural swamp. These results were considered that the wetland of Bigumdo was characterized by the typical structure of aquatic plant ecosystem.

  • PDF

The first report Prunella pinnatifida Benth. (Labiatae) in Korea (한국 꿀풀과 미기록 식물: 갈래꿀풀)

  • Kim, Sangtae
    • Korean Journal of Plant Taxonomy
    • /
    • v.40 no.3
    • /
    • pp.163-168
    • /
    • 2010
  • Prunella vulgaris var. lilacina Nakai, P. vulgaris var. aleutica Fernald, and P. vulgaris var. albiflora Nakai have been reported as infrageneric taxa of Prunella L. in Korea. I found many samples of P. pinnatifida Pers. in the previously collected herbarium sheets in several major herbaria in Korea and confirmed its distribution again in Jaeun Island, Chonnam Province with the information from those herbarium sheets. P. pinnatifida Pers. has deeply lobed leaves in contrast to entire or barely dentate leaves of P. vulgaris var. lilacina Nakai, P. vulgaris var. aleutica Fernald, and P. vulgaris var. albiflora Nakai. I first report the distribution of this taxon in Korea and give it the Korean name Gal-re-kkul-pul. I provide description, illustrations, and an infrageneric key to identification of the other taxa of Prunella in Korea, and discuss some taxonomic problems of this taxon.

The First Record of Scleria caricina (R. Br.) Benth. (Cyperaceae) in Korea (한반도 미기록 식물: 애기개올미(사초과))

  • Jang, Chang-Seok;Lee, You-Mi;Park, Su-Hyun;Kim, Jong-Hwan;Cho, Yang-Hoon
    • Korean Journal of Plant Taxonomy
    • /
    • v.40 no.3
    • /
    • pp.179-182
    • /
    • 2010
  • We report S. caricina (R. Br) Benth. (Cyperaceae) as an unrecorded species from Sinan-gun, Jeollanam Province on the Korean peninsula. This taxon was known to be distributed mainly in southeast Asia, China, Japan, and the northern part of Australia. S. caricina is distinguished from other species of the genus Scleria in Korea by having congested inflorescences, 3-toothed pistillate scales at the apex, and enclosed achenes in 2 scales. The new Korean common name, 'Ae-gi-gae-ol-mi', is given considering the small-size of the plants. A description based on the morphological characters and the illustrations of this species are provided with a taxonomic key to the species of Scleria in Korea.

An Analysis of Seawater Effect on Groundwater Quality, in the Region of Sinan-gun area, Jeonam, Korea (전남 신안군 지역의 지하수 수질에 대한 해수의 영향 분석)

  • Shin, Kyungsun;Koh, Dong-Chan;Lee, Jeonghoon
    • Journal of the Korean earth science society
    • /
    • v.38 no.7
    • /
    • pp.570-580
    • /
    • 2017
  • The purpose of the study was to evaluate the groundwater quality of Sinan-gun, Jeollanam-do, an island located in the southern part of the Korean peninsula where the effect of seawater on the groundwater quality had not been investigated in the past. In order to evaluate its effect, the hydrogeological parameters including groundwater quality and major dissolved components were investigated. The water quality was measured four times in the field, and 74 of 163 samples that showed the high conductivity value of more than $500{\mu}S/cm$ and the influence of seawater on the groundwater were analyzed by $Cl^-/HCO_3{^-}$ molar ratio. The results showed that, 40 samples out of 74 were found to have a value of 2.8 or more, indicating severe and very severe effects. According to the type of groundwater quality, the ratio of samples belonging to Na-Cl type, which is considered to be influenced by the direct seawater, is 35.3% for bedrock groundwater and 52.5% for weathered zone and alluvial groundwater. In the evolution stage of groundwater due to seawater infiltration, the type of Ca-Cl prior to the Na-Cl type is 44.1% in bedrock groundwater and 45% in weathered zone and alluvial groundwater. The effect of sea water on the aquifer is likely to be influenced by distance from the shore, pumped water, and tide.

Oysters, Crassostrea gigas, as the second intermediate host of Gymnophalloides seoi (Gymnophallidae) (참굴큰입흡충(Gymnophalloides seoi)의 제2중간숙주로서 참굴의 역할)

  • LEE, Soon-Hyung;CHOI, Min-Ho;SEO, Min;CHAI, Jong-Yil
    • Parasites, Hosts and Diseases
    • /
    • v.33 no.1
    • /
    • pp.1-8
    • /
    • 1995
  • Gymnophalkides seoi has drawn medical attentions since the discovery of the first human case and a highly endemic area on a southwestern coastal island of Shinan- gun, Korea. Marine bivalves especially oysters were strongly suspected as the source of infection. In this study the oysters, Crassostrea girns, naturally produced (rom the endemic area were examined whether they contain gymnophallid metacercariae. All of 50 oysters examined were infected with the metacercaviae of a gymnophallid, with the metacercarial density per oyster of 610 on average (2-4,792 in range). Later they were identified as G. seoi by obtaining adult worms from experimental mice. The metacercariae were unencysted, and firmly attached on the mantle surface of the oysters with their oral sucker. In sectioned specimens they were equipped with the ventral pit, a peculiar organ of the genus Gymophalloides, and non-muscular genital pore which was connected dorsally to the seminal vesicle. The seminal vesicle was in a great majority mono-sac. By this study, it has been confirmed that the oyster is a 2nd intermediate host of G. seoi as well as the major source of human infection with this fluke.

  • PDF

A Study on the Characteristics of Marine Debris in Coastline : Daekwang Beach In Imja Island, Jeollanam-Do, Korea (해안표착물의 특성에 관한 연구 : 전라남도 신안군 임자도 대광해수욕장)

  • Jang, Seong-Woong;Oh, Seung-Yeol;Kim, Dae-Hyun;Yoon, Hong-Joo
    • Journal of the Korean Society of Marine Environment & Safety
    • /
    • v.17 no.2
    • /
    • pp.123-129
    • /
    • 2011
  • A study on the occurrence and movement of marine debris is required for protecting the marine environment and ecosystem from marine pollution. The aim of this study is to show annual production and movement characteristics through analysis for the flow path, composition and the sources of marine debris. This study analyzed the distribution and characteristics of marine debris collected in the region of $100\;m{\times}20\;m$($=2,000\;m^2$) at the Daekwang Beach in the Yellow Sea. During the collection period from 2008 to 2010, the total weight of the marine debris was 1,445 kg in this site. The most marine debris was plastic amounting to 46.5% of the whole collection; the rest were styrofoam(20%) and wooden material(12.6%). The amount of marine debris mused from foreign country observed 155.5 kg, more than 90% of them was plastic came from China such as buoys. Additionally, this study analyzed seasonal change if marine environment to understand occurrence amount change if marine debris. 2009 and 2010 was high occurrence ratio in season that the north wind is very strong and the occurrence rate appeared highest by 40% in the summer(July) of 2008 that appeared westbound tidal current. Overall, marine Debris mused from foreign country was high occurrence ratio in January, May and then November has a lot of quantity secondly. While, occurrence ratio was the highest by 46% summer(July) in 2008, but in 2009 and 2010 showed the lowest rate to 4%.

A Study on Types and Characteristics of 'Cultural Landscapes' with Big Data Analysis: Focusing on the Case of Shinan-gun, Jeollanam-do (빅데이터 분석을 통한 '문화경관' 유형과 특성 연구: 전라남도 신안군 사례를 중심으로)

  • OH Jungshim
    • Korean Journal of Heritage: History & Science
    • /
    • v.56 no.1
    • /
    • pp.162-180
    • /
    • 2023
  • The World Heritage Committee decided to make "cultural landscapes" a world heritage category in the 16th Session of the UNESCO General Conference. The decision was made from a recognition of the importance of interactions between human beings and the natural environment or between cultural heritage and natural heritage. Many countries have created policies and institutions to protect their own cultural landscapes along with the changing times. Korea, however, has not obviously defined the concepts and categories of its cultural landscapes, but manages policies and institutions based on the concept of a scenic spot, which has some similar meanings. In addition, it even borrows the "list of landscape adjectives," one of the representative methods for managing landscapes, from foreign countries. With this background, this paper suggested how to define cultural landscapes according to the global development flow. It created a list of cultural landscape adjectives by gathering the adjectives that can properly express local cultural landscapes in Korea. In particular, it collected 4,556 articles from a local newspaper by focusing on the case of Shinan-gun, Jeollanam-do, and analyzed key words and adjectives included in them by using big data analysis. The results suggested by this paper, such as the "classification table of cultural landscape types," "list of cultural landscape adjectives" and "network map of nouns/adjectives" can be applied to research on other localities, and furthermore, used as basic data for finding and protecting the characteristics of local cultural landscapes in Korea.