• Title/Summary/Keyword: demilitarized zone

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Remote Measurement of Ultraviolet Reflections for the Guidelines for Leisure Tourism Activities on the Adjacent Coast of the Demilitarized Zone Peace Life Belt (비무장지대 평화생명벨트 인접해안에서의 레저관광활동 가이드라인을 위한 자외선 반사량 원격측정)

  • Uh, Je-Sun;Choi, chul-Jae
    • The Journal of the Korea institute of electronic communication sciences
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    • v.17 no.3
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    • pp.499-506
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    • 2022
  • With the construction of the northern line of the East Sea in 2021, expectations for peaceful use of the Demilitarized Zone (DMZ) are rising. Accordingly, it is necessary to prepare for leisure tourism activities at nearby beaches using the Demilitarized Zone as a security ecological tourism. However, despite the increase in the amount of ultraviolet rays on the surface due to the destruction of the ozone layer, there are no guidelines for UV exposure. In this paper, the amount of ultraviolet reflection on the coast adjacent to the DMZ using remote exploration was measured and analyzed. It is hoped that the presented results will be used as basic data to prepare UV guidelines for leisure tourism activities in nearby areas.

A Preliminary Study on the Chemical Compositions of Precipitation in the Rural Area of Kyunggi Province near Demilitarized Zone (비무장지대에 인접한 경기도 농촌지역 강수의 화학적 성분에 관한 기초 연구)

  • 박국태;김창호
    • Journal of Environmental Science International
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    • v.7 no.2
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    • pp.157-164
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    • 1998
  • preliminary study on the chemical compositions of forty seven precipitations from March 1994 to May 1995 In Yeoncheon-gun, which Is adjacent to the southern boundary of demilitarized zone (DMZ) in the northernmost tip of Kyunggi Province has been Performed. The metal cation and anion concentrations were measured by atomic absorption spectrometer and ion chromatography, respectively. pH/lon meter and direct nesslerization method were used for the concentration measurements of $H^+$ ion and $NH_46+$ ions, respectively Based on the data, the quantitative orders of the cation and anion average concentrations were $Ca^{2+}>NH_4^+>Na^+>K^+>Mg^{2+}>H^+ and SO_4^{2+}>Cl^-> NO_3^-$, respectively..The ratio of average total anion concentration to average total cation concentration was 0.97. The average pH value of the precipitations was 5.60. These results, correlation coefficients between the ion concentrations, and monthly variations of pH value and precipitation amount are used for chemical analysis on the environmental Pollution and Pollutant sources In Yeoncheon-gun of Kyunggi province near DMZ.

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Status and Preservation of Cultural Relics in the Demilitarized Zone (비무장지대(DMZ) 문화유적 현황과 보전방안)

  • Lee, Jae
    • Korean Journal of Heritage: History & Science
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    • v.52 no.1
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    • pp.216-241
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    • 2019
  • There are 35 cultural properties of fourteen kinds in the Demilitarized Zone known so far, but this number is expected to increase in the future. Among them, Cheolwon-Doseong and Jeongol-Chong of Gimhwa should be the first step toward conservation efforts by conducting a joint investigation through the collaboration of North and South Korea. In particular, the joint investigation of Cheolwon-Doseong will not only remind the North and South that they are the same people who have had common history and cultural traditions for a long time, but will also give symbolic meaning to convert the demilitarized zone into a stage for peace. Since Jeongol-Chong is a mass grave of the fallen soldiers of Pyeongan Province who fought against the invasion of the Qing of China, it should be managed as a national designated cultural asset through joint investigation. In addition, the Demilitarized Zone should become a World Heritage Site because of its importance to the legacy of the Korean War, an international war caused by an ideological confrontation. Furthermore, it has more than 6,000 kinds of temperate forests in addition to 100 species of endangered species and natural monuments. The DMZ is very qualified to be a World Natural Heritage Site, and should be included as a World Complex Cultural Heritage Site that qualifies as a World Heritage and World Natural Heritage Site. In the Demilitarized Zone, we can also find numerous highlands, tunnels and posts used during the Korean War, as well as surveillance posts, a military demarcation line, barbed wire fences, and Panmunjom, which were created by the armistice agreement. it would be desirable to select some of its sections and war facilities and to register them as modern cultural heritage assets. Finally, it is necessary to reconstruct the Dorasan Signal Fire Site, which was the communication facility of a traditional era which connected the South (Dorasan) and North (Gaesong). This would symbolize smooth communication between the two Koreas. In order to prepare for the reckless development of the Demilitarized Zone due to the upcoming cease-fire, the government and cultural asset experts will have to work hard to identify and preserve the cultural properties of the Demilitarized Zone, and they will also have to maintain consistent control over matters such as indiscriminate investigation and mine clearance.

Chemical Constituents of Silene seulensis Nakai from Demilitarized Zone(DMZ)

  • Jung, Yeon Woo;Seo, Chan Gon;Lee, Ji Eun;Hong, Seong Su;Kwon, Jin Gwan;Shin, Hyun Tak;Jung, Su Young;Choi, Jeong Jun;Choi, Chun Whan;Kim, Jin Kyu
    • Proceedings of the Plant Resources Society of Korea Conference
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    • 2018.10a
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    • pp.92-92
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    • 2018
  • Silene seulensis Nakai was used as traditional medicines in Korea, we collected plant from demilitarized zone (DMZ). S. seulensis was extracted with 30, 50, and 70% ethanol and partitioned successively with n-hexane, EtOAc, dichloromethane and BuOH. These extracts (30, 50 and 70% ethanol) were evaluated the cytotoxicity on B16F10 and Hacat cell lines. The LC-MS/MS data of each fractions (n-hexane, EtOAc, dichloromethane, and BuOH) were compared with MS library, combined with ultraviolet/visual (UV/Vis) and MS data for faster determine structure by database search results. This led to the identification of four compounds (1-4) from S. seulensis. These compounds was isolated first time from S. seulensis. Their chemical structures are elucidated by combinations of NMR and mass spectrometry techniques.

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South and North Korean Collaboration for Natural Heritage Conservation across Demilitarized Zone : Its Significance and Challenges (비무장지대(DMZ) 자연유산 남북 공동협력의 의의와 과제)

  • Je, Jonggeel
    • Korean Journal of Heritage: History & Science
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    • v.52 no.1
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    • pp.242-257
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    • 2019
  • The Demilitarized Zone (DMZ) stretches two kilometers north and south from the Military Demarcation Line (MDL) of South and North Korea. This area was established as a weapons-free buffer zone when an armistice agreement was signed in 1953. However, there have been several very high-tension military standoffss over the past 65 years. On the South Korean side, civilian access to the Civilian Control Line (CCL) and beyond to the north has been restricted, and natural heritage has been well maintained. Natural heritage is defined as living things, their habitat and non-living things of the ecosystem which deserve to be protected. Research shows that a variety of flora and fauna, their habitat, marshes and geographical structures are found across the DMZ region. Although the DMZ region has not been such a good place for habitat conservation, we can say that this area may be the best location for restoration in terms of its variety of ecosystems and considerable land size. Restoration of course depends on future plans and management policies. This area, including the DMZ and the well-protected north of the CCL, will be the best habitat for endangered species of wild fauna and flora if we classify the various habitat types and create a habitat map. In doing this project, we need to include the estuary of the Han River and the lagoon (brackish water lake) of the East Sea coast. In addition, we must establish long-term plans for conservation and sustainable use and do international scientific research across the DMZ region in collaboration with scientists of South and North Korea and international experts. Mutual cooperation between the two Koreas for investigation and conservation efforts is paramount.

A Study on the Reduced Spatial Extent of DMZ (DMZ의 축소된 공간 범위에 대한 연구)

  • Jung, Kyu-Surk;Shin, Hyun-Tak;Kim, Sang-Jun;An, Jong-Bin;Yoon, Jung-Won;Kwon, Yeong-Han;Heo, Tae-Im
    • Journal of the Korean association of regional geographers
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    • v.21 no.2
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    • pp.355-363
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    • 2015
  • DMZ(Demilitarized Zone) created as part of the Armistice Agreement is important zone in the way that historic and eco-cultural value as well as military and political image of this are remarkable. Furthermore, the concern of DMZ has been rising at home and abroad. Even though various studies on this subject have been constantly spurring according to the significance, the practical researches on spatial range of DMZ are very weak. The Purpose of this research is to show the factual spatial extent of DMZ from the mouth of the Imjingang River in the west to the town of Goseong in the east. This study proved the area of corresponding DMZ is approximately $570km^2$ contrary to the previous studies and claims it is difficult to measure the actual length of MDL(Military Demarcation Line) regarded as 155mile in this situation of Korea peninsula.

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Winter foraging of endangered Red-crowned and White-naped crones in the Korean Demilitarized Zone(DMZ)

  • Lee, Sang-Don;Jablonski, P.;Higuchi, H.
    • Proceedings of the Korean Society of Environment and Ecology Conference
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    • 2007.04a
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    • pp.176-177
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    • 2007
  • We determined how presence of heterospecific individuals in the vicinity of a focal individual affects the behavior of two critically endangered species of cranes on their wintering grounds at Cheolwon in the Korean Demilitarized Zone(DMZ). The Red-crowned crane, Grus japonensis, is larger than the White-naped crane, Grus vipio, and it dominates the White-naped crane in aggressive interactions. We showed that the dominant species increases foraging activity in the presence of the subordinate species presumably because of scrounging of the food from the subordinate. Because interspecific interactions may affect avian endangerments this behavioral findings should be taken into account when managing winter refuges for the two engendered crane species.

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The Survey of Disappeared Villages in The Demilitarized Zone (DMZ 내 사라진 마을의 공간적 분포와 특성)

  • Kim, Chang-Hwan
    • Journal of the Korean Association of Geographic Information Studies
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    • v.12 no.1
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    • pp.96-105
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    • 2009
  • The purpose of this study is to analyze the spatial distribution and characteristics of villages before modern public works in the Demilitarized Zone(DMZ) by using Geographical Information System(GIS). There were total 427 villages within the DMZ according to a survey. By the administrative region, whereas there were 183 villages in Gangwon Province which had a share of 43% of the total, there were 244 villages in Gyeonggi Province which had that of 57%. Subsequently, Gyeonggi Province had a higher share than Gangwon Province, even though its area was smaller than Gangwon Province's one. In terms of the pattern of villages, there was a pattern of the dispersed settlement focused upon the area of the Taebaek mountains. In addition, there were a pattern of the dike settlement by a traffic route and river as well as that of agglomerated settlement in other area. There was a pattern of compact settlement in a plain. This research can be contributed (1) to be used a basic information in order to solve a conflict between development and conservation which may occur in the future, and (2) to be applied to develop contents for the DMZ's competitiveness.

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Undescribed Fungal Species of Eupenicillium, Mortierella, and Trichoderma Isolated in the Vicinity of Demilitarized Zone in Yeoncheon-gun, Gyeonggi-do, Korea (경기도 연천비무장지대 근역에서 분리한 국내 미기록 Eupenicillium, Mortierella, Trichoderma 진균 종 보고)

  • Ahn, Geum Ran;Kim, Ji Eun;Oh, Yun Seok;Lee, Kyoung Min;Jin, Hyeop;Kim, Min Uk;Kim, Jun Young;Kim, Seong Hwan
    • The Korean Journal of Mycology
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    • v.46 no.4
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    • pp.359-367
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    • 2018
  • As an effort to explore fungal diversity, fungal survey was undertaken in 2017 in the vicinity of demilitarized zone (DMZ) located in Yeoncheon-gun, Gyeonggi-do, Korea. For the survey, wild plants and soils were sampled and subjected to fungal isolation. A total of 18 genera and 23 species including five unrecorded fungal species, Mortierella sclerotiella, M. sossauensis, M. verticillate, Eupenicillium saturniforme, and Trichoderma hispanicum, were obtained from the survey. This study described their morphological characteristics including colony features formed on media, light microscopic images and molecular characteristics of nucleotide sequences of the internal transcribed spacer (ITS) region, 18S and 28S rDNA, ${\beta}-tubulin$ gene, calmodulin, and translation elongation factor $1{\alpha}$ ($tef1{\alpha}$) nDNA genes.