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http://dx.doi.org/10.3741/JKWRA.2018.51.12.1261

A new classification rule of hydrological soil groups of Jeju Island: Application to representative basins and evaluation of previous studies  

Kang, Minseok (School of Civil, Environmental and Architectural Engineering, Korea University)
Lee, Youngju (Department of Water Resources, Korea Engineering Consultants Corp.)
Park, Changyeol (Department of Environmental and Urban Planning, Jeju Research Institute)
Yoo, Chulsang (School of Civil, Environmental and Architectural Engineering, Korea University)
Publication Information
Journal of Korea Water Resources Association / v.51, no.12, 2018 , pp. 1261-1271 More about this Journal
Abstract
This study evaluates the applicability of the classification rule of hydrological soil group proposed by Lee et al. (2018) with its application to three river basins (Jungmuncheon, Cheonmicheon, and Hancheon) in Jeju Island. The CN values are estimated as results of this application to these three basins, which is then compared with those estimated by applying the conventional three methods. Additionally, previous studies related with the classification of soil groups of Jesu Island, such as the infiltration and rainfall-runoff analysis, are reviewed to evaluate how the resulting hydrological soil groups vary depending on the adopted classification method.. Summarizing the results is as follows. (1) Comparison result of the hydrological soil groups of Jeju Island with respect to the classification method shows that the soil group B is dominant in the application of Lee et al. (2018). However, it is hydrological soil groups C and D in the application of Hu and Jung (1987), hydrological soil groups A and C in the application of Jung et al. (1995), and hydrological soil group D in the application of RDA (2007). (2) In all the applications of Lee et al. (2018) to three selected river basins in Jeju Island, the CN valuse are found to be smaller than those by other conventional three methods.. Lastly, (3) The evaluation results of previous studies related with the classification of hydrological soil groups analysis in Jeju Island shows that the CN value in the Jeju Island may be smaller than those estimated by conventional three methods, also the initial loss higher than 0.2S.
Keywords
Jeju Island; Soil series; Hydrologic soil group; Runoff curve number;
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Times Cited By KSCI : 2  (Citation Analysis)
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