• Korean Journal of Environment and Ecology
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• v.28 no.2
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• pp.263-269
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• 2014

This study explored agroforestry strategies to achieve ecological and economic effects simultaneously for Elsentasarhai region in Mongolia under desertification, based on attitude survey with a questionnaire, field survey on planting sites, and literature review. The agrosilvopastoral approach was suggested as a type of agroforestry practices which combined tree planting for combatting desertification and wind damage to crops, agricultural crop production for income improvement, and livestock raising, a major industry in the study region. Populus sibirica and Ulmus pumila native to desert regions were selected for tree planting, and Hippophae rhamnoides, potato, and fodder appropriate for the short growing season were chosen for income crop production, reflecting residents' attitudes and growth environments. As a strategy of land allocation to satisfy multiple effects of the agrosilvopastoral approach, the alley cropping technique was recommended which arranged alternately strips of trees as windbreaks and income crops in multiple rows. The study also explored desirable planting techniques to improve conditions of income crop production and tree growth against drought and strong winds in the alley cropping. Study results will be useful as fundamental information to implement sustainable agroforestry in Mongolia and other semi-arid regions where knowledge concerned is lacking.

• Magazine of the Korea Concrete Institute
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• v.26 no.6
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• pp.55-59
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• 2014

• Proceedings of the Korean Association of Geographic Inforamtion Studies Conference
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• 2004.03a
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• pp.517-521
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• 2004

• Nuclear industry
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• v.36 no.4
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• pp.28-32
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• 2016

아랍에미리트(UAE)가 바라카에 건설 중인 원자력발전소를 언론에 최초 공개했다. 바라카원전은 한국전력이 주 계약자로 총괄 수행 중인 한국 최초의 해외 원전 사업으로, 중동 지역 최초의 원전이다.

• Proceedings of the Korea Air Pollution Research Association Conference
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• 2002.04a
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• pp.77-78
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• 2002

동북아 지역은 급속한 산업 및 경제활동 증가로 세계의 주요 오염 지역으로 대두되고 있다. 대기오염 물질의 Global 이동확산은 어느 특정지역에서 다른 지역으로 광범위하게 이동 확산하기 때문에 이에 따른 오염과 피해 사이에 시간과 공간적인 차이가 존재하고 있으며, 그 인과관계도 불명확한 상황이다. 한편, 사막에서 발생한 모래먼지는 시정을 악화시키며 이들 중 미세한 입자(0.1-10$\mu\textrm{m}$)는 산란과 흡수를 통하여 대기의 복사평형과 기후변화에 커다란 영향을 미칠 수 있다(Carlson, 1980; Duce, 1980). (중략)

• Journal of Korea Water Resources Association
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• v.37 no.2
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• pp.109-119
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• 2004

This research is an analysis of the water vapor transport change Into the continent due to the global warming effect with the general circulation models. Water vapor transport change from ocean to land increases through the year due to CO2 doubling effect. In Eurasia, it indicates an increase about 170∼350${\times}$06 Mt/day the whole year. In Africa, it shows an decrease every month except November, especially there is the maximum decrease about -350${\times}$106 Mt/day during August-September. In other continents, excluding Eurasia and Africa, the change of water vapor transport vary with the month below $\pm$8.0${\times}$106 Mt/day with the unsystematic patterns. In Eurasia, the change of water vapor transport increases as a whole, but it decrease in desert areas which occupy a high area-ratio. Therefore, except desert areas, the amount of the growth in water vapor transport change concentrate on Asian monsoon area. As a result of monsoon strengthening, available water will grow considerably at the asian monsoon areas.

• Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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• v.32 no.5
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• pp.451-457
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• 2014

Recently, the land degradation and pasture erosion in Tuv, located around Ulaanbaatar of Mongolia, have been increasing sharply due to escalating developments of mining sectors, well as the density of populations. Because of that, we have chosen the urban and mining area of Tuv for our study target. During the study, the temporal changes of land cover in Tuv, Mongolia were observed by the Landsat TM/+ETM satellite images from 2001 to 2009 that provided the fundamental dataset to apply NDVI and K-Mean algorithm of Unsupervised Classification and Maximum likelihood classification(MLC) of Supervised Classification in order to conclude in land cover change analyzation. The result of our study implies that the growth of mining area, the climate change, and the density of population led the land degradation to desertification.

• Journal of Plant Biotechnology
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• v.30 no.4
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• pp.315-321
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• 2003

Freezing and drought tolerances in plants are very important for survival in the desert. In an effort to reduce desertifcation in Gobi, a molecular breeding of Artemisia adamsii using the CLP (chitinase like protein, antifreeze protein) and Dhn5 (dehydrin5) genes from barley is performed by introducing them into Artemisia adamsii via Agrobacteria. We had found an optimal combinatorial concentration of hormones at 0.05mg/L of NAA and 0.5mg/L of BA for growth of callus in Artemisia adamsii. In addition, the higher rate of callus induction using hypocotyl as explant was observed comparing to explants of stem and leaf. There were some variations in the level of the proteins expressed among the transgenic lines such that the lines of CLP(CS1-5, 1-7,4-4) and Dhn5(DS2-2, 2-3) lines produce the protein to higher levels. The transgenic lines showing a higher level of Dhn5 exhibited better growth than nontransgenic callus in presence of 10 and 20％ PEG. In case of the CLP tansgenic lines, both CS1-5 and CS1-7 showed a higher level of freezing tolerance determined by ion leakage test.

• Food Science and Preservation
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• v.10 no.4
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• pp.482-487
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• 2003

The filtration effects of glass membrane filters and hollow fiber membranes with different pore size to prevent the haze of a commercial foxtail millet Yakju were investigated. The most particles(haze precusors) present in the Yakju were removed by using 1.2 $\mu\textrm{m}$ glass membrane filter. In case of using 0.45$\mu\textrm{m}$ hollow fiber membrane system, the permeate flux on the Yakju filtration was calculated to 342.8 lmh. During the 3 month storage at 4$^{\circ}C$ and room temperature for each 48 hrs in turn, alittle fine haze was observed from the Yakju even if it was filtered by using 0.7 $\mu\textrm{m}$ glass membrane filter. Anything of haze was, however, observed from the Yakju filtered by using all of hollow fiber membranes. Therefore, the 0.45$\mu\textrm{m}$ hollow fiber membrane system was effective as a final filtration process of the Yakju.

• 건강소식
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• v.36 no.12
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• pp.16-19
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• 2012

유구한 역사만큼이나 인간 수명과 관련한 비법이 많은 중국에서 으뜸가는 장수촌으로 꼽히는 신강성 위구르 자치구. 중국 대륙 서북쪽에 있는 위구르 자치구는 사막 가운데 피어난 오아시스 지역이다. 예부터 사람 살기가 좋아서 여러 민족들이 다투어 차지하려고 했던 생명의 땅이다. 오래전부터 동과 서를 잇는 주요한 교역로였으며 2,000년 전부터 실크로드를 지나는 상인들이 물과 휴식을 위해 으레 들르는 곳이었다.