• Title/Summary/Keyword: 해양공원

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The Neoproterozoic and Cretaceous Tectonic Evolution and Important Geoheritages in the Gogunsan Archipelago (고군산군도 지역의 신원생대 및 백악기 지구조 진화과정과 중요 지질유산)

  • Oh, Chang Whan;Kim, Won Jeong;Lee, Seung Hwan;Lee, Bo Young;Kim, Jin Seok;Choi, Seung Hyun
    • The Journal of the Petrological Society of Korea
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    • v.28 no.4
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    • pp.251-277
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    • 2019
  • The Gogunsan Archipelago is composed of two island groups; the first group includes Mal-do, Myeong-do, Gwangdae-do, and Bangchuk-do islands consisting of Neoproterozoic rocks, and the second group includes Yami-do, Sinsi-do, Muneo-do, Jangja-do, and Seonyu-do islands consisting of Cretaceous rocks. The first group mainly consists of the Bangchuk formation which can be divided into two layers; the lower layer was more deformed than the upper layer. The former was intruded by mafic and felsic volcanic rocks formed in the volcanic arc tectonic setting 930-890 Ma and the latter was deposited ca. 825-800 Ma. In these islands, large scale folds with east-west fold axes were beautifully formed; the Maldo island fold was designated as natural monument and large scale beautiful chevron fold was developed on the Gwangdae-do island. In addition, there are unique zebra-shaped outcrop formed by a mixing of basic and acidic magma and Independent Gate shaped outcrop formed by coastal erosion. On the other hand, the Yami-do, Sinsi-do, Muneo-do, Jangja-do and Seonyu-do islands consist of 92-91Ma Cretaceous volcanic rocks and, in Sinsi-do island, the Nanshan formation deposited ca. 92 Ma. These Cretaceous volcanic rocks formed by melting of the continental crust by the heat supplied from the uplifting mantle due to the extension caused by a retreat of subducting ocean slab. Yami-do and Sinsi-do islands are composed of rhyolite. In Yami-do island, bands with vertical joint formed by cooling of the bottom part of the lava, are shown. In Sinsi-do island, large-scale vertical joints formed by cooling of lava flow, were developed. The Jangja-bong of Jangja-do island and Mangju-bong of Seonyu-do island are composed of brecciated rhyolite and formed a ring shaped archipelago contributing to the development of marine culture by providing natural harbor condition. They also provide beautiful views including 'Seonyu 8 views' along with other islands. As mentioned above, the Gogunsan archipelago is rich in geoheritages and associated cultural and historical resources, making it worth as a National Geopark.

A Study on Inventory and Grade Evaluation of the Visual Landscape Resource in Mt. Chiak National Park (치악산국립공원의 시각적 경관자원 인벤토리 구축 및 등급평가에 관한 연구)

  • Lee, Sook-Hyang
    • Journal of the Korean Institute of Landscape Architecture
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    • v.44 no.4
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    • pp.57-65
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    • 2016
  • This study was conducted a visual landscape resources inventory and grade assessment on natural resources and cultural resources of Chiaksan National Park. Landscapes of National Parks are categorized into four types: seascape, mountain landscape, village landscape, and temple historical landscape. Landscape lists were constructed for each district for a total of 120 lists through field research on 7 trails. The landscape list per trail has Guryong~Birobong(31%), Seungnam~Namdaebong(22%), Geumdae~Namdaebong(16%), Bugok~Hanenggu(165), Hwanggol~Ipseoksa(6%), Hyangrobong~Nandaebong(5%) and Godeunjae~Wontonggol(4%). Landscape Assessment items were divided into five characteristics of view, unique, use, history culture, natural reflected by item. Items were divided into three grades of landscape by 4, 3, 2, 1 for each item of the assessment criteria and Delphi survey. Mountain landscapes were assessed in I grade of 72 sites, II grade of 26 sites, III grade of 7 sites. Temple Historical landscapes were assessed in I grade of 4 sites, II grade of 7 sites, III grade of 4 sites. The study results can be used as a basis for mountain parks management. It is necessary to focus on managing the landscape of I grade site. The higher ratings of the Mountain landscapes are related to the view and natural score. Also, the grading of Temple Historical landscapes is related to the history cultural, natural and use score. In addition, the mountain landscape were identified as being included outside landscape resources, the place of landscape resources with outside ratings were higher and the view was related. Landscape management is needed for the conservation of Mountain landscape and Temple Historical landscape type rating as excellent areas on the basis of the results of the inventory and assessment. For future improvement the Guryong-Birobong trail is judged as a harmonious representative landscape of the Mountain and Temple Historical landscape and will require conservation as a focus management area. In the case of Mountain landscape improvements, maintenance such as pruning trees, wood observatory and interpretation sign for a landscape with minimal inhibitory landscaping is needed. When installing artificial facilities in the Temple Historical landscapes, the use of materials harmonizing with the surroundings landscape must be considered as well as the standards of facilities limitation.

Granite Dike Swarm and U-Pb Ages in the Ueumdo, Hwaseong City, Korea (경기도 화성시 우음도 일원의 화강암 암맥군과 U-Pb 연령)

  • Chae, Yong-Un;Kang, Hee-Cheol;Kim, Jong-Sun;Park, Jeong-Woong;Ha, Sujin;Lim, Hyoun Soo;Shin, Seungwon;Kim, Hyeong Soo
    • Journal of the Korean earth science society
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    • v.43 no.5
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    • pp.618-638
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    • 2022
  • The Middle Jurassic granite dike swarm intruding into the Paleoproterozoic banded gneiss is pervasively observed in Ueumdo, Hwaseong City, mid-western Gyeonggi Massif. Based on their cross-cutting relationships in a representative outcrop, there are four dikes (UE-A, UE-C, UE-D, UE-E), and depending on the direction, there are three granite dike groups, which are NW- (UE-A dike), NW to WNW- (UE-C dike), and NE-trending (UE-D and UE-E dikes). These granite dikes are massive, medium-to coarse-grained biotite granites, and their relative ages observed in outcrops are in the order of UE-A, UE-D (=UE-E), and UE-C. The geometric analysis of the dikes indicates that the UE-A and UE-C dikes intrude under approximately NE-SW trending horizontal minimum stress fields. The UE-A dike, which showed a relatively low average SiO2 content by major element analysis, is a product of early magma differentiation compared to other dikes; therefore, it is consistent with the relative age of each dike. The 206Pb/238U weighted mean ages for each dike obtained from SHRIMP zircon U-Pb dating were calculated to be 167 Ma (UE-A), 164 Ma (UE-C), 167 Ma (UE-D), and 167 Ma (UE-E), respectively. The samples of the UE-A, UE-D, and UE-E dikes showed very similar ages. The UE-C dike shows the youngest age, which is consistent with the results of the relative age in the outcrops and major element analysis. Therefore, the granite dikes intruded into the Middle Jurassic (approximately 167 and 164 Ma), coinciding with those of the Gyeonggi Massif, where the Middle Jurassic plutons are geographically widely distributed. This result indicates that the wide occurrence of the Middle Jurassic plutons on the Gyeonggi Massif was formed as a result of igneous activity moving in the northwest direction with the shallower subduction angle of the subducting oceanic plate during the Jurassic.

A Study on the Expanding Protected Areas through Identifying Potential Protected Areas - focusing on the experts' recognition with regard to protected area - (잠재 보호지역 발굴을 통한 국가 보호지역 확대 방안 - 보호지역 부합성에 대한 전문가 인식을 중심으로 -)

  • Heo, Hag Young;Cho, Dong-Gil;Shim, Yun-Jin;Ryu, Yun-Jin;Hong, Jin Pyo;Shim, Gyu-won
    • Korean Journal of Environment and Ecology
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    • v.31 no.6
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    • pp.586-594
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    • 2017
  • This study was carried out to identify the potential protected areas recognized by experts to conform to the international definition of protected areas for effective implementation of CBD Aichi Target-11. A policy forum of 13 experts on the protected area was formed and conducted four forums, two surveys, and examination in the context of international perspective to identify four potential protected areas including the water source protection area, riparian buffer zone, fishery resources protected area, and urban natural park area. Excluding the existing protected areas, the total size of the potential protected areas was about $5,643.9km^2$ composed of the terrestrial areas of $3,117.9km^2$ and the marine areas of $2,526km^2$. As such, we can expect the expansion of coverage of national protected areas by up to 3.11% of the terrestrial land and up to 0.67% of the terrestrial marine area. This study is meaningful in that it provides the fundamental information to achieve the national target of protected areas in response to CBD Aichi Target-11. Further research on improving the protected areas qualitatively and quantitatively and identifying and linking with other effective regional OECM are required to enhance the national protected area system.

The Use and Needs of Activity Spaces Near Housing Environments of Single Elderly Men Households in Korea (남자노인 1인가구의 거주지 주변 활동공간 이용실태 및 요구 분석)

  • Pak, Sungsine;Lee, Minah;Shin, Younghwa;Park, Youngrye
    • Korean Journal of Family Social Work
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    • no.55
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    • pp.265-297
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    • 2017
  • This study aims to provide basic information about the policy and system improvements relevant to single elderly men, through an investigation concerning the use and needs of activity spaces near their housing environments. Eighteen single elderly men over 60-years-old living in Gunsan city of Jeonbuk province in Korea participated in in-depth interview, and the data were qualitatively analyzed. The results of the study are as follows: The social networks of the participants were focused on friends or colleagues, while mutual exchanges with their children were intermittently undertaken. Natural networks of the elderly were formed mainly in third places, such as parks, restaurants, or community facilities, and about a half of the elderly participants had no spatial needs, and the rest required spaces for meal services, the elderly living community, jobs, leisure/hobby activities, or facility improvements. The elements influencing use of activity spaces were access from the residence, health, social networks, and economic conditions. The results suggest the following: Exercise or leisure facilities supporting elderly mobility should be set up close to their residential environments. Senior facilities centered on systematic supports and shuttle buses circulating around the places that the elderly visit frequently should be considered. On the other hand, regular maintenance and education on residents' proper use of the facilities, and sufficient information and fee discounts for the general programs are needed so that the elderly could interact with the younger generation. From a public perspective, a rational system and policy based on understanding single elderly men's needs should be prepared for provision and management of the activity space.

A Local Governments' Preferences in Selecting Modern Eight Scenic Landscapes (지자체가 선정한 현대팔경에 나타난 경관 선호 양상)

  • So, Hyun-Su
    • Journal of the Korean Institute of Traditional Landscape Architecture
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    • v.38 no.1
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    • pp.92-102
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    • 2020
  • The followings are the landscape preference aspects from the 816 landscapes(景, Kyung), which comprise the 78 modern Palkyungs, presented by the 78 local governments in Korea. First, the natural environment elements selected as Kyung(景), which are topographical landscapes, mostly consist of mountain elements such as mountains, terrace(臺), rocks and stones and water elements classified as rivers, oceans, and lakes. Natural elements also include old-growth and giant trees such as pines, ginkgos, Japanese cornels and fringe trees, tree-lined streets and forests, and plant elements such as azaleas, rhododendrons, lotuses, reeds, and silver grasses which provide seasonal landscapes. Second, more than half of Kyung, selected as human environment elements, are historical and cultural heritages such as graveyards, mountain fortresses, town fortresses, traditional villages, pavilion in villas, and temples. And it is followed by leisure tourism facilities such as traditional markets, exhibition halls, theme parks, beaches, and food streets, green-based structures such as trails, plazas, parks, and botanical gardens, and industrial heritages such as ranches, abandoned coal mines, stations, ports and bridges. Third, modern Palkyungs include objects not related to the views such as local representative facilities, regional products, and festivals. Fourth, although most of the modern Palkyungs consist of eight, some include 20, 38, or 100 in order to increase the number of objects of public relations. Fifth, a certain local government makes two modern Palkyungs with different subjects by introducing traditional Palkyung and modern Palkyung altogether. In this case, it presents several modern Palkyungs like by selecting Palkyungs in a limited area. Furthermore, one Palkyung includes numerous place names at a time in some cases. Sixth, Sosangjeonhyeong(瀟湘典型)-style modern Palkyung uses 'NakAn(落雁)' as the name of Kyung. Sosangyusahyeong(瀟湘類似型)-style modern Palkyung expresses 'Hyojong(曉鐘)' and landscape of glow of the setting sun, sunset, night view, dawn, sunrise and depicts cloud, sunset, moon, and snow. There are many Myeongsocheheomhyeong(名所體驗型)-style Palkyungs exhibiting the behavior of tourism and Myeongseunghyeong(名勝型)-style Palkyungs raising the awareness only by the names of the places. Seventh, modern Palkyung's naming styles are diverse, such as using only four letters instead of specifying Kyungmul(景物) or Kyungsaek(景色) in combination with Chinese characters or adding modifiers specializing in places.

Applicabilité du Dark Tourisme sur les Vestiges de la Révolte Armée des Villes de Yeosu et de Suncheon en Corée du Sud (여순사건 사적지에 대한 다크투어리즘 적용 방안)

  • Lee, Jeong Hun
    • Journal of the Korean association of regional geographers
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    • v.22 no.4
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    • pp.826-842
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    • 2016
  • Depuis l'exposition mondiale 2012, la ville de Yeosu transforme remarquablement comme la ville touristique maraine $o{\grave{u}}$ on visit beaucoup, par la haute $d^{\prime}am{\acute{e}}nagement$ l'infrastructure pour son $d{\acute{e}}veloppement$. Pour cela, Yeosu, elle a besoin de programmes touristiques divers et de la $caract{\acute{e}}ristique$ $diff{\acute{e}}renci{\acute{e}}e$ de la $r{\acute{e}}gion$. On peut visiter des vestiages de la $r{\acute{e}}volte$ $arm{\acute{e}}e$ des villes de Yeosu et de Suncheon comme tourisme histoirique qui contient l'invasion japonaise en 1592, la $r{\acute{e}}volution$ paysan en 1894, $l^{\prime}activit{\acute{e}}$ de $r{\acute{e}}sistance$ contre Empire du Japon et la $r{\acute{e}}volte$ $arm{\acute{e}}e$ des villes de Yeosu et de Suncheon. Cette ${\acute{e}}tude$ a pour but de $d{\acute{e}}velopper$ le dark tourisme de Yeosu $apr{\grave{e}}s$ examiner son $applicabilit{\acute{e}}$ sur les vestiges. Pour cela, nous avons ${\acute{e}}valu{\acute{e}}s$ la $caract{\acute{e}}ristique$ de lieu des vestiges $fond{\acute{e}}s$ sur les conditions de vestiges et de tourisme de Yeosu. Nous avons aussi $essay{\acute{e}}s$ d'appliquer le dark tourisme, qui a les fonctions $d^{\prime}{\acute{e}}ducation$ et de symbole pour la $r{\acute{e}}gion$ $li{\acute{e}}e$ $\grave{a}$ l'histoire contemporaine, $\grave{a}$ des vestiges de la $r{\acute{e}}volte$ $arm{\acute{e}}e$ par la nouvel route touristique. Par ailleurs, nous avons besoin $d^{\prime}{\acute{e}}riger$ le Parc du $M{\acute{e}}morial$ de la Paix et le musee histoirique et de faire une loi $sp{\acute{e}}ciale$ pour la $r{\acute{e}}volte$ $arm{\acute{e}}e$ des villes de Yeosu et de Suncheon et de former le $comit{\acute{e}}$ consultatif touristique pour $d{\acute{e}}velopper$ le dark tourisme de Yeosu.

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A Study on the Environmental Characteristics of Water Quality and Sediments in Suncheon Bay (순천만 수저질 환경특성에 관한 연구)

  • Park, Sangsook;Heo, Sung-sil;Choi, Jeong-min;Woo, Sung-won
    • Proceedings of the Plant Resources Society of Korea Conference
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    • 2019.10a
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    • pp.9-10
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    • 2019
  • 순천만은 순천시의 남쪽에 위치하여 여수반도와 고흥반도의 사이에 있는 만 지형 형태로 만 전체를 순천만이라고도 하나, 보통 고흥군반도와 여수반도 사이의 만을 여자만이라 하고 만내부에 위치한 여자도라는 섬의 위쪽으로 순천시의 해안하구에 형성된 지역을 순천만이라 일컫는다. 순천만은 순천시에서 유입되는 동천과 이사천 및 해룡천의 하류에 형성되어 있어서 육지부에서 유입되는 퇴적물과 유기물로 인하여 갯벌과 갈대등이 잘 형성된 습지로서 2003년 12월 31일 해양수산부 갯벌 습지보존지역으로 지정되어 관리되고 있으며, 2004년에는 동북아 두루미 보호 국제네트워크에 가입하였고, 2006년 1월 국내 연안습지로는 최초로 람사르협약에 "Suncheon Bay"로 등록되었으며, 2016년 6월에는 람사르습지로 지정된 국내외적으로 중요한 습지이다. 순천만습지에 형성되어 있는 갯벌($28.0km^2$)은 세계 5대 연안습지 중 하나로서, 넓은 사니질 갯벌과 갈대군락이 잘 발달되어 있는 생태계의 보고(寶庫)이자 소중한 생태자원으로서, 순천시에서는 순천만을 자연생태공원으로 지정하여 보호 관리하고 있으며, 각종 자연학습자료들과 영상물들을 갖춘 생태전시관과 갈대숲 탐방로, 용산전망대, 야생화 정원, 담수습지, 갈대정자, 갯벌관찰대 등 사계절 생태체험을 위한 각종 시설들을 잘 갖춰놓고 많은 관광객의 이용할 수 있도록 하고 있다. 갯벌은 바닷가의 넓은 벌판이란 뜻으로서 삼면이 바다인 우리나라는 갯벌의 전체 면적이 약 $2,500km^2$에 달하는데 여기에는 많은 종류의 다양한 생물들이 살아가고 있으며 어민들의 생계에 지대한 영향을 주고있다. 이러한 갯벌은 퇴적된 입자의 구성에 따라 펄갯벌, 모래갯벌, 혼합갯벌 등으로 구별되는데 이에 따라 갯벌 생태계를 구성하고 있는 생물들의 종류도 바뀌게 된다. 순천만갯벌과 여기에 조성되어 있는 습지환경에 따라 확인되고 있는 수산자원으로는 새꼬막, 꼬막, 눈알고둥, 갯고둥, 비툴이고둥, 돌조개, 접시조개, 새알조개, 가무락조개, 바지락, 우럭, 가재붙이, 방게, 칠게, 농게 등의 저서 생물들과 짱뚱어, 문절망둑 등의 어류가 있으며, 해조류로 우뭇가사리 등이 있고, 인근의 어민들의 어업형태는 꼬막 등 패류의 채취나 종패를 뿌려 일정기간 양성하여 수확하는 양식업, 육상부에서 폐염전 등을 활용한 전어나 새우 등을 양식하는 양식업, 수산물을 직접 손이나 간단한 도구를 이용하여 잡는 맨손 어업 형태가 주를 이루고 있는 것으로 나타나고 있다. 이와 같이 국내외적으로 중요할 뿐만 아니라 인근의 어민들의 생계에도 지대한 영향을 미치고 있는 순천만의 습지는 뻘층이 깊고, 분해성 미생물이 다양하게 서식하여 유기물 분해능력이 뛰어나며, 유기영양분이 풍부하여 우리나라에서 가장 질이 좋은 습지로 평가되고 있으나, 순천시 등 순천만 인근에 거주하고 있는 인간의 활동에 따른 간섭에 많은 영향을 받고 있으며, 이에 따라 끊임없는 생태환경이 변화하고 있어서 순천만의 효율적인 보전 및 지속가능한 이용을 위해서는 생태계에서 가장 기본적인 요소인 수 저질 환경의 지속적이고 체계적인 조사 및 관리가 필요하다. 한편, 오염물질의 70% 이상은 하천이나 강을 통해서 해역으로 유입된다고 알려져 있기 때문에 생태계의 보고(寶庫)라고 알려진 순천만의 지속적인 보존 및 관리를 위해서는 유입수계 하천의 수질현황 및 오염물질의 주요 배출원을 파악하고, 이에 대한 저감대책을 수립할 필요가 있다. 따라서 본 연구는 순천만의 수저질 특성과 여기에 유입되는 하천의 수질환경 현황 및 오염원을 파악함으로써 순천만의 보전을 위한 효율적 관리방안을 제시하는 것을 목적으로 수행되었다. 연구의 결과에 따르면, 순천만의 수질평가지수에 의한 등급(WQI)은 III등급으로 나타나고 있으며, 득량만, 광양만 등에 비해 비교적 높은 유기물 및 T-N, T-P의 농도 분포를 보이고 있는 것으로 조사되었다. 이는 순천만에 유입되는 하수종말처리장의 방류수와 도시하수가 유입되어 그대로 방류되고 있는 해룡천 및 연안에 위치한 어촌으로부터 직접 방류되고 있는 일부 정화조 유출수 등, 다양한 원인에 의한 것으로 판단되며 이들의 관리가 부실할 경우 순천만의 갯벌과 습지의 지속가능한 생태환경유지는 쉽지 않다. 따라서 이를 효율적으로 관리하기 위해서는 순천만 연안의 오염물질 방류를 총량관리로 전환하여 철저히 관리하는 것이 필요할 것으로 판단된다.

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