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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.10
- 수록면
- 916 - 921 (6page)
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초록· 키워드
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This study was carry out on a Jang-Won series (fine loamy, mixed, mesic family of typic fragipan) that were established and classified as a fragipan soil in Korea. The morphological, physical, chemical and minerals characteristics of Jang-Won series were studied to determine the genesis of fragipan soils in natural environment. Each sample was analyzed for its physical, chemical and mineralogical characteristics. The particle size distribution of samples was measured using pipette method. Clay minerals were investigated on parallel-oriented specimens of the clay fraction (<2 μm) from each horizon, separated by sieving and centrifugation, using X-ray diffraction (XRD) analysis. Micromorphological observations were made on thin sections prepared from soil blocks impregnated with Crystic Resin, cut and ground to less than 30 ㎛ in thickness, and finally polished with diamond paste. Most horizons have pH values in the range of fewer than 5.0 and have very low base-saturation values. Their textural classification ranges from silt loam to loam, the lower horizons being the finer. The clay fraction revealed the occurrence of illite, kaolinite, chlorite and vermiculite. The micro-morphological analysis carries out thin sections from each soil profile. The silt concentrations occur as extremely dense and homogenous bands or zones of silt-sized materials, brownish in colour in plane-polarized light and anisotropic in cross-polarized light, surrounding or adhering to skeleton grains. The genesis of fragipan in the Jangweon series assumed composition of clay fraction rather than silt concentration. Therefore, this results suggested an authentic interpretation which Jangweon series is classification as Typic Fragiochrepts.
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재료 및 방법
결과 및 고찰
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참고문헌 (12)
참고문헌 신청
1. [단행본] - Chough S.K / 1995 / Sedimentology / woosung press
2. [학술지(정기간행물)] - Dixon, S.J / 1973 / Liquefaction case history / Jour. Soil Mech. Found. Div 99 : 921 ~ 937
3. [단행본] - Douglas, L.A / 1985 / Soil micromorphology and soil classification / SSSA Special Publication
4. [단행본] - Honam Agricultural Research Institute / 2005 / Management skills of paddy soil in the Honam plain. Chapter VI, Produced cause, problem and character of Fragipan : 39 ~ 53
5. [학술지(정기간행물)] - Jung, Y.T / 1979 / Studies on the expansion of arable land in Yeongnam district III. The Characteristics and utilization of Jangweon series distributed in Cheongdo gun area / J.Korean Soc. Soil Fert 12 : 99 ~ 107
2. [학술지(정기간행물)] - Dixon, S.J / 1973 / Liquefaction case history / Jour. Soil Mech. Found. Div 99 : 921 ~ 937
3. [단행본] - Douglas, L.A / 1985 / Soil micromorphology and soil classification / SSSA Special Publication
4. [단행본] - Honam Agricultural Research Institute / 2005 / Management skills of paddy soil in the Honam plain. Chapter VI, Produced cause, problem and character of Fragipan : 39 ~ 53
5. [학술지(정기간행물)] - Jung, Y.T / 1979 / Studies on the expansion of arable land in Yeongnam district III. The Characteristics and utilization of Jangweon series distributed in Cheongdo gun area / J.Korean Soc. Soil Fert 12 : 99 ~ 107
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UCI(KEPA) : I410-ECN-0101-2014-521-000825506