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
- 2015.10
- 수록면
- 428 - 435 (8page)
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초록· 키워드
오류제보하기
Pedotransfer functions (PTFs) were developed for each soil horizon to estimate hydraulic characteristics of mountainous forest soils in South Korea. Twenty one dominant soil series from 8 soil catenae such as granite-originated catena and volcanic ash-originated catena were selected for the study; gravel contents of selected soils were 10% or lower. Saturated conductivity (Ks) was measured for each horizon in situ. Particle size distribution and organic matter content of each horizon were also determined. Based on correlation analysis with total data set, sand separate showed positive relationship with Ks (r=0.24<SUP>*</SUP>) while clay separate had negative relationship with Ks (r=-0.29<SUP>**</SUP>). The correlation coefficients of sand, clay, and organic matter content with Ks increased to 0.41<SUP>**</SUP>, -0.67<SUP>***</SUP>, and 0.58<SUP>***</SUP>, respectively, using data from granite- or gneiss-originated catena with exception of volcanic ash-originated catena and sedimentary rock-originated catena. Determination coefficients of PTFs were 0.31 for A horizon, 0.25 for B, and 0.35 for C with all data set while those were 0.74 for A, 0.48 for B, and 0.54 for C. Organic matter was a dominant factor affecting Ks in A horizon but clay content was selected as the only factor influencing Ks in C horizon. It implies that PTFs should be developed with understanding characteristics of parent materials and horizons. Developed PTFs for granite- or gneiss-originated catena were following:
A horizon: Log (K<SUB>s</SUB> x 10<SUP>7</SUP>) = -0.031C + 0.398OM + 3.49
B horizon: Log (K<SUB>s</SUB> x 10<SUP>7</SUP>) = -0.028C + 0.141OM + 4.05
C horizon: Log (K<SUB>s</SUB> x 10<SUP>7</SUP>) = -0.072C + 4.66
where C is clay separate (%) and OM is organic matter content (g kg<SUP>-1</SUP>). The unit of Ks is cm sec<SUP>-1</SUP>.
A horizon: Log (K<SUB>s</SUB> x 10<SUP>7</SUP>) = -0.031C + 0.398OM + 3.49
B horizon: Log (K<SUB>s</SUB> x 10<SUP>7</SUP>) = -0.028C + 0.141OM + 4.05
C horizon: Log (K<SUB>s</SUB> x 10<SUP>7</SUP>) = -0.072C + 4.66
where C is clay separate (%) and OM is organic matter content (g kg<SUP>-1</SUP>). The unit of Ks is cm sec<SUP>-1</SUP>.
목차
Introduction
Materials and Methods
Results
Discussion
Conclusion
References
참고문헌 (27)
참고문헌 신청
[보고서] - Agricultural Science Institute(ASI). / 1992 / Introduction of Korean Soil
[단행본] - Campbell G. S. / 1985 / Soil Physics with Basic / Elsevier. NY, USA
[학술지(정기간행물)] - Cosby B. J. / 1984 / A statistical exploration of the relationship of soil moisture characteristics to the physical properties of soils / Water Resour. Res 20 : 682 ~ 690
[학술지(정기간행물)] - Gardner W. R. / 1958 / Some steady state solutions of the unsaturated moisture flow equation with application to evaporation from a water table / Soil Sci 85 : 228 ~ 232
[단행본] - Hamblin W. K. / 2003 / Earth's Dynamic Systems / Prentice Hall. NJ, USA
[단행본] - Campbell G. S. / 1985 / Soil Physics with Basic / Elsevier. NY, USA
[학술지(정기간행물)] - Cosby B. J. / 1984 / A statistical exploration of the relationship of soil moisture characteristics to the physical properties of soils / Water Resour. Res 20 : 682 ~ 690
[학술지(정기간행물)] - Gardner W. R. / 1958 / Some steady state solutions of the unsaturated moisture flow equation with application to evaporation from a water table / Soil Sci 85 : 228 ~ 232
[단행본] - Hamblin W. K. / 2003 / Earth's Dynamic Systems / Prentice Hall. NJ, USA
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UCI(KEPA) : I410-ECN-0101-2016-521-002012974