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Hydrologic soil group is one of the important factors to determine runoff potential and curve number. This study was conducted to classify the hydrologic soil groups of Korean soils by considering saturated hydraulic conductivity and depth of impermeable layer. Saturated hydraulic conductivity of Korean soils was estimated by pedotransfer functions developed in the previous studies. Most of paddy soils were classified as D type due to shallow impermeable layer and low saturated hydraulic conductivity in B soil horizon. For upland and forest, soils classified to A and D types increased compared with former classification method because underestimated permeabilities and overestimated drainages were corrected and rock horizon in shallow depth was regarded as impermeable layer. Soils in mountainous land showed the highest distribution in A type, followed by D type. More than 60 % of soils in mountain foot-slope, fan and valley, alluvial plains, and fluvio-marine deposits were classified to D type because of land use such as paddy and upland.
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참고문헌 (9)
참고문헌 신청
Brakenski, D. L. / 1986 / Determining the saturated conductivity of a soil containing rock fragments / Soil Science Society of American Journal 50 : 831 ~ 835
Fallah, M. / 2016 / Watershed prioritization in order to implement soil and water consevation practices / Environmental Earth Sciences 75 : 1248 ~
Jeong, J. H. / 1995 / Classification of hydrologic soil group for estimation of runoff rate / Journal of the Korean Society of Agricultural Engineers 37 : 12 ~ 33
Mc Cuen, R. H. / 1982 / A Guide to Hydrologic Analysis Using SCS Method / Prentice Hall
Rural Development Administration / 2012 / Standard of Measurement and Analysis in Agricultural Research and Investigation / RDA
Fallah, M. / 2016 / Watershed prioritization in order to implement soil and water consevation practices / Environmental Earth Sciences 75 : 1248 ~
Jeong, J. H. / 1995 / Classification of hydrologic soil group for estimation of runoff rate / Journal of the Korean Society of Agricultural Engineers 37 : 12 ~ 33
Mc Cuen, R. H. / 1982 / A Guide to Hydrologic Analysis Using SCS Method / Prentice Hall
Rural Development Administration / 2012 / Standard of Measurement and Analysis in Agricultural Research and Investigation / RDA
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