지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.12
- 수록면
- 712 - 723 (12page)
이용수
초록· 키워드
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This study was conducted to develop the SWCC estimation equation using scaling technique, and to investigate relative sensitivity of the SWCC according to the soil water tension, for the four kinds of soil texture such as Sand [S], Sandy Loam [SL], Loam [L] and Clay Loam [CL]. The SWCC estimation equation of scale factor [Θsc] (Eq. 1) was developed based on the log function (Eq. 2) and exponential function (Eq. 3).
Θsc = [(Θ-Θr) / (Θs-Θr)] (Eq. 1)
Θsc = -0.196 ln(H) + 0.4888 (Eq. 2)
Θsc = 0.3804 (H)<SUP> (-0.448)</SUP> (Eq. 3)
where, Θ: water content (g/g %), Θs: water content at 0.1bar, Θr: water content at 15bar, H: soil water tension (matric potential) (bar)
Relative sensitivity of soil water content was decreased as increase soil water tension, those according to soil water tension were 0.952~0.620 compared to 0.1bar case. Relative sensitivity of scale factor was also decreased as increase soil water tension, those according to soil water tension were 0.890~0.577 compared to 0.2bar case.
Θsc = [(Θ-Θr) / (Θs-Θr)] (Eq. 1)
Θsc = -0.196 ln(H) + 0.4888 (Eq. 2)
Θsc = 0.3804 (H)<SUP> (-0.448)</SUP> (Eq. 3)
where, Θ: water content (g/g %), Θs: water content at 0.1bar, Θr: water content at 15bar, H: soil water tension (matric potential) (bar)
Relative sensitivity of soil water content was decreased as increase soil water tension, those according to soil water tension were 0.952~0.620 compared to 0.1bar case. Relative sensitivity of scale factor was also decreased as increase soil water tension, those according to soil water tension were 0.890~0.577 compared to 0.2bar case.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (44)
참고문헌 신청
[학술지(정기간행물)] - Ahuja L. R. / 1985 / Estimation soil water characteristics from simple properties or limited data / Soil Sci. Soc. Am. J 49 : 1100 ~ 1105
[학술지(정기간행물)] - Al-Badran Y. / 2014 / Modelling the compaction curve of fine-grained soils / Soils & Found 54 : 426 ~ 438
[학술지(정기간행물)] - Aldaood A. / 2014 / Soilwater characteristics curve of lime treated gypseous soil / Appl. Clay Sci 102 : 128 ~ 138
[학술지(정기간행물)] - Bird, N.R.A / 2000 / The water retention function for a model of soil structure whit pore and solid fractal distributions / Eur. J. Soil Sci 51 : 55 ~ 63
[학술지(정기간행물)] - Bird N. R. A. / 2003 / The pore-Solid Fractal model of soil density scaling / Eur. J. Soil Sci 54 : 467 ~ 476
[학술지(정기간행물)] - Al-Badran Y. / 2014 / Modelling the compaction curve of fine-grained soils / Soils & Found 54 : 426 ~ 438
[학술지(정기간행물)] - Aldaood A. / 2014 / Soilwater characteristics curve of lime treated gypseous soil / Appl. Clay Sci 102 : 128 ~ 138
[학술지(정기간행물)] - Bird, N.R.A / 2000 / The water retention function for a model of soil structure whit pore and solid fractal distributions / Eur. J. Soil Sci 51 : 55 ~ 63
[학술지(정기간행물)] - Bird N. R. A. / 2003 / The pore-Solid Fractal model of soil density scaling / Eur. J. Soil Sci 54 : 467 ~ 476
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UCI(KEPA) : I410-ECN-0101-2016-521-002207055