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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.
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초록· 키워드
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This study was conducted to determine the validity by comparing the soil erodibility factor (K) values, which were calculated by rainfall simulator conditions (K<SUB>obs</SUB>) and in the Universal Soil Loss Equation (K<SUB>USLE</SUB>) from eight sites of black volcanic ash soils (BVAS) in Jeju Island and developed a new soil erodibility factor equation based on the physical properties of BVAS. The KUSLE value showed negative values in BVAS, indicating other methods for soil erodibility estimation need to be developed. The Kobs value had a significant positive correlation with the runoff rate (p < 0.01) and positively correlated with fine sand (0.02 - 0.2 mm) and clay / (silt + very fine sand). A significant negative correlation was observed between the K<SUB>obs</SUB> and silt (0.002 - 0.02 mm) (p < 0.05), saturated hydraulic conductivity (K<SUB>sat</SUB>), and infiltration rate (p < 0.01), all of which indicate the effect of these physical properties on the soil erodibility factor. As a result of multiple regression analysis, K = - 0.1492 + 0.0036 runoff rate - 0.0908 K<SUB>sat</SUB> + 0.0112 fine sand (0.02 - 0.2 mm) (R² = 0.981, p < 0.01). Therefore, the developed equation may be used as the soil erodibility estimation for USLE to predict soil erosion in BVAS on Jeju Island.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (25)
참고문헌 신청
ASI. 1976. Cheju Do detailed soil map. Agricultural Sciences Institute.
Bagarello, V., C. Di Stefano, V. Ferro, G. Giordano, M. Iovino, and V. Pampalone. 2012. Estimating the USLE soil erodibility factor in Sicily, South Italy. Appl. Eng. Agric. 28:199-206.
Bonilla, C.A. and O.I. Johnson. 2012. Soil erodibility mapping and its correlation with soil properties in Central Chile. Geoderma. 189:116-123.
El-Swaify, S.A. and E.W. Dangler. 1976. Erodibilities of selected tropical soils in relation to structural and hydrologic properties. In: El-Swaify, S.A., Moldenhauer, W.G., Lo, A. (Eds.), Soil Erosion: Prediction and Control. Soil Conservation Society of America, Ankeny, Iowa, pp. 105-114.
Fontes, J.C., L.S. Pereira, and R.E. Smith. 2004. Runoff and erosion in volcanic soils of Azores: simulation with OPUS. Catena. 56:199-212.
Bagarello, V., C. Di Stefano, V. Ferro, G. Giordano, M. Iovino, and V. Pampalone. 2012. Estimating the USLE soil erodibility factor in Sicily, South Italy. Appl. Eng. Agric. 28:199-206.
Bonilla, C.A. and O.I. Johnson. 2012. Soil erodibility mapping and its correlation with soil properties in Central Chile. Geoderma. 189:116-123.
El-Swaify, S.A. and E.W. Dangler. 1976. Erodibilities of selected tropical soils in relation to structural and hydrologic properties. In: El-Swaify, S.A., Moldenhauer, W.G., Lo, A. (Eds.), Soil Erosion: Prediction and Control. Soil Conservation Society of America, Ankeny, Iowa, pp. 105-114.
Fontes, J.C., L.S. Pereira, and R.E. Smith. 2004. Runoff and erosion in volcanic soils of Azores: simulation with OPUS. Catena. 56:199-212.
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UCI(KEPA) : I410-ECN-0101-2020-523-000451687