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전상호,박길옥,박혜인,김성탁,김상옥,이건형 한국자연보호학회 2007 한국자연보호학회지 Vol.1 No.1
Soil texture, pH, organic carbon, organic matter, organic nitrogen, total phosphorus and chemical speciation were studied on the soil samples from Dok-do, Korea. Dok-do soil was composed mostly of silt, and textures were silt and silt loam. Soil pH was normally neutral but in some areas, acidic and very high content of organic matter. High content of organic matter explained the origin of Dok-do soil was related to the vegetation of the island. C/N ratio of the soil organic matter 15 meant the organic matter in the soil had moderately degraded plant debris. The most important chemical speciation of soil phosphorus in Dok-do was Residual P, meant the source of soil phosphorus was plant, and high ratio of Apatite P was considered to relate to the feces of water bird of the area.
광산 폐석지 식생복원을 위한 Mycorrhizae 활용
전상호,박길옥,최남희,윤범식,정병학 한국자연보호학회 2011 한국자연보호학회지 Vol.5 No.1
Various problems such as erosion, leaching, and dispersion of tailings have occurred in abandoned mine areas. Especially, huge damage was caused by erosion of tailings by heavy rains in the research areas. Mine tailing of Sangdong tungsten contains various kind of heavy metals and Arsenic (As) exceeds more than 90 times than standard. In case this heavy metal flows into stream by erosion, serious damage is predicted. After experimenting Miscanthus sinensis growth of Mycorrhizae in comparison between infected and uninfected Mycorrhizae, plant infected by Mycorrhizae showed increased figures in average grass growth length (cm/ month), average organic body quantity (gfw/month) and average dry weight (gdw/month) by 47%, 33%, 32% respectively. Because of the small quantity of organic matter contained in the tailing of abandoned mine areas, the use of Mycorrhizae would be comparatively effective. This study suggests the use of Mycorrhizae infected plant to prevent erosion in abandoned mine waste areas.
전상호,박길옥,김휘중,정병학 한국자연보호학회 2009 한국자연보호학회지 Vol.3 No.1
A study on the possibility of recycling by solidification using tailings from abandoned metal mine were studied. The study was carried out on testing compressive strength of concrete made by different ratio of various mine tailing, chemical speciation of Cd, Cu, Pb and Zn in the tailing by sequential extraction procedure and SPLP leaching test. Mixing of mine tailings with cement or asphalt and aging of mortar gave strong influence on compressive strength of concrete. Marshal's stability of asphalt with tailing waste were higher of 98.0~101.0% than not added one. Therefore it was recommended to use of the tailings to low the infiltlation of the water to protect the bank in the abandoned mine region. Total metals in concrete and asphalt with tailing waste were lower than that of tailing waste. The amount of adsorbed fraction and carbonate fraction which were labile in the aquatic environment were very lower in the concrete and asphalt specimen than mine tailing waste.Leachabilityof studied metals are under the waste management standard.
댐용수 사용료 징수권과 관련된 갈등 조절 -한강을 중심으로
전상호 ( Sang Ho Jun ),박길옥 ( Gil Ok Park ),박종찬 ( Jong Chan Park ) 한국환경정책학회 2009 環境政策 Vol.17 No.1
Water, an inevitable resource to human life and survival, is one of natural major resources such as land, forest and so on which consist of a country. Conflicts are increasing, however, among riparian regions and local autonomy groups, due to the water shortage from global climate changes, human`s cognitive changes and the changes of people`s life-style in the modern social economy. Such causes are found as well in current water regulation systems that are vague on the rights and responsibility. In Korea, the water rights are defined in the Civil Code, the Rivers Act, and Dams Act for Surrounding Areas. Dams Act, however, endows the Korea Water Resources Corporation with monopolistic, exclusive water rights on stored dam water and river water discharged from dam, that the nation`s patent right conflicts with water rights based on the Civil Code that is the nation`s customary and basic code, under the current Dams Act, conflicts arise between the two, the Korea Water Resources Development Corporation and local autonomy groups that have rights under the Civil Code. Having analyzed the situation of western states in U.S. where adopted Appropriative rights doctrine and, particularly, the reserved water rights that were remained by the government so as to protect the natives` natural rights who had Riparian Rights Doctrine, the followings can be concluded. When establishing similar systems like Appropriative rights doctrine that is developed in a nation which has different environment and history, a systematical action is necessary that keeps the vested right as the local autonomy groups` or riparian people`s customary water rights. Also, current Water Rights should recognize a kind of the riparian people`s time immemorial priorities, so called "the reserved water rights", not constructor`s Appropriative rights doctrine that builds dams.
식물정화재배법을 이용한 석탄폐석지 식생복원에 관한 연구
전상호 ( Sang Ho Jun ),이종규 ( Jong Kyu Lee ),박길옥 ( Kill Ok Park ),최남희 ( Nam Hee Choi ),홍성욱 ( Sung Wook Hong ),정병학 ( Byoung Hak Jung ) 한국환경복원기술학회(구 한국환경복원녹화기술학회) 2011 한국환경복원기술학회지 Vol.14 No.6
In Okdong coal mine abandoned area, every year large amount of mine wastes have been swept away due to heavy rains in summer. Because pH of coal-mine waste is in the early 4, plant naturally does not grow there due to unfavorable condition for growing plant. This study had an experiment to grow plant for 6 months using Mycorrhizae which can be adapted well in acid soil. As a result of Experiment, In the infected experiment pot, 90% of the plants survived but in case of uninfected experiment pot, only 25% were alive. From Growth Experiment, it appeared that average stem length increase (cm/month), average fresh weight increase (gfw/month), average dry weight increase (gdw/month) were increased by 60%, 21%, 31% respectively. Especially, Mycorrhizae plays an important role in providing nutrients and water when seeding are established. Mycorrhizae prevents death caused by lack of nutrients and water and helps growth and development of plant when seeding are established in the early stage. This study proved that Mycorrhizae is comparatively effective in plant growth and prevention of erosion in coal-mine abandoned area.