지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.11
- 수록면
- 564 - 575 (12page)
이용수
초록· 키워드
오류제보하기
In Korea, a soil survey was conducted at a scale of 1: 5,000, and classification was performed based on USDA"s Soil Taxonomy. Now the computerized soil map is in use. DSM work has been performed based on the soil map. Even so far, we have been building DBs in various ways and trying DSM continuously. Since 2002, data can be found on the Internet through the Korean soil information system (heugtoram) and it is also available on mobile system. Based on the 1: 5,000 scale, various detailed thematic maps are produced. The useful information has been provided to farmers, policy makers, and researchers. The basic data of the soil was used around 1970. In 2014, we tried to compare it with the newly upgraded data. R program was used to generalize the texture data (sand, silt & clay content) of soil depth. Conversion of vector data (polygon, shp file) of soil map into raster data (30 m) was performed. Soil texture data for depth were generalized to 0-5, 5-15, 15-30, 30-60, 60-100, 100-200 cm for sand, silt and clay contents and tried to compare the difference of the results. The number of polygons was the same in both sand, silt and clay contents. The total number of polygons was 1,381,126 and the number of polygons contained in the soil series was 1,308,700. As the depth increased, soils with rocks or shallow soils were not shown. Mean, standard deviation and mean deviation were analyzed for comparisons of DSM. The standard deviations were very variable and difficult to compare. The results were different from those obtained when the mean deviation was used. To compare the differences between the two maps, by converting the state in which a negative number exists to an absolute value, the average deviation to be performed is more uniform.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (6)
참고문헌 신청
Hong, S.Y., Y.H. Kim, K.H. Han, B.K. Hyun, Y.S. Zhang, K.C. Song, B. Minasny, and A.B. McBratney. 2012. Digital Soil mapping of soil properties for Korean soils. Taylor & Fransis Group, London, ISBN 978-0-415-62155-7.
Hong, S.Y., Y.S. Zhang, Y.H. Kim, K.H. Jung, Y.J. Lee, E.Y. Choi, S.K. Ha, Y.K. Sonn, B.K. Hyun, M.S. Kim, S.O. Hur, K.C. Song, G.B. Jung, G.Y. Kim, and K.Y. Jung. 2008. Development of soil information system and its application in Korea. Food & Fert. Tech. C. Extension Bulletin 612.
Jung, Y.T. 1996. Application of soil taxonomy: Advantage and disadvantage of American soil taxonomy. Korean J. Soil Sci. Fert. 29(2):207-210.
McBratney, A.B., M.L.M. Santos, and B. Minasny. 2003. On digital soil mapping. Geoderma. 117:3-52.
Minasny, B. and A.B. McBratney. 2010. Methodologies for global soil mapping, chapter 34. In: Digital soil mapping: bridging research, environmental application, and operation. Springer, Dordrecht, pp 429-425.
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UCI(KEPA) : I410-ECN-0101-2019-523-000170093