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자료유형
학술대회자료
저자정보
Chun, H.C (Rural Development Administration) D. Gimenez (The State University of New Jersey) S.W. Yoon (National Institute for Agronomic Research, France) R. Heck (University of Guelph) T. Elliot (University of Guelph) L. Ziska (Agricultural Research Services) K. Geaorge (Agricultural Research Services) H.R. Cho (Rural Development Administration) S.H. Jeon (Rural Development Administration) K.H. Han (Rural Development Administration) S.K. Ha (Rural Development Administration)
저널정보
한국토양비료학회 한국토양비료학회 학술발표회 초록집 2010 추계학술발표회 논문 초록집
발행연도
2010.10
수록면
45 - 53 (9page)

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Modern human activities have increased concentration of atmospheric CO2 and temperature. These increases will affect ecological systems at a global scale. Soil pore structure plays an important role in ecological systems since it provides spaces and transport of soil biota, root and microorganisms. However pore structure has not been investigated under enriched CO2/temperature. The objective of this study was to characterize spatial distribution of local porosity at the mm?scale from 3D soil images classified by CO2/temperature gradient. Three sites from urban (US), suburban (SS), and rural (RS) areas in Maryland were excavated and filled with the same soil in 2002. variability analyses of pore structure with certain environmental parameters can characterize climate changes on soil structure.

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Abstract
Introduction
Effects of Elevated CO2 Concentration and High Temperature
Soil Physical Properties
Materials and Methods
Computer Tomography (CT) and Image Processing
Characterization of Sampled Sites
Configuration Entropy and Local Porosity Analyses
Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2014-521-000673600