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논문 상세정보

수문학적 토양군의 분류기준에 따른 SCS CN 및 유출변화특성에 관한 연구

Study on SCS CN Estimation and Flood Flow Characteristics According to the Classification Criteria of Hydrologic Soil Groups

Abstract

In this study, CN value was estimated by using detailed soil map and land cover characteristic against upper basin of Kumho watermark located on the upper basin of Kumho river and the hydrologic morphological characteristic factors were extracted from the basin by using the DEM document. Also the runoff analysis was conducted by the WMS model in order to study how the assumed CN value affects the runoff characteristic. First of all, as a result of studying the soil type in this study area, mostly D type soil was Identified by the application of the 1987 classification criteria. However, by that in 1995, B type soil and C type soil were distributed more widely in that area. When CN value was classified by the 1995 classification criteria, it was estimated lower than in 1987, as a result of comparing the estimated CNs by those standars. Also it was assumed that CN value was underestimated when the plan for Geum-ho river maintenance was drawn up. As a result of the analysis of runoff characteristic, the pattern of generation of the classification criteria of soil groups appeared to be similar, but in the case of the application of the classification criteria in 1995, the peak rate of runoff was found to be smaller on the whole than in the case of the application of the classification criteria in 1987. Also when the statistical data such as the prediction errors, the mean squared errors, the coefficient of determination and other data emerging from the analysis, was looked over in total, it seemed appropriate to apply the 1995 classification criteria when hydrological soil classification group was applied. As the result of this study, however, the difference of the result of the statistical dat was somewhat small. In future study, it is necessary to follow up evidence about soil application On many more watersheds and in heavy rain.

참고문헌 (11)

  1. 허기술, 정정화, 1987, 한국토양의 수문학적 분류 및 그 응용, 농공기술, 4(4), 47-61 
  2. 정정화, 장승표, 김호일, 정연태, 허기술, 박호, 1995, 유출율 추정을 위한 토양수목군의 분류, 한국농공학회지, 37(6), 12-32 
  3. 김경탁, 최윤석, 2004, 정밀토양도를 이용한 유효 강우량에 관한 연구, 한국지리정보학회지, 7(2), 1-15 
  4. 배덕효, 이병주, 정일원, 2003, 위성영상 피복 분류에 대한 CN값 산정(1) -CN값, 산정, 한국수자원학회논문집, 36(6), 985-997 
  5. 안승섭, 이증석, 신성일, 김대형, 정순돌, 2002, 하천지형특성을 이용한 홍수유출해석, 한국지리 정보학회 추계학술발표회 발표논문집, 85-91 
  6. 허창환, 2001, GIS를 이용한 강우-유출해석에 관한 연구, 영남대학교 대학원 박사학위논문 
  7. Horton, R. E., 1945, Erosional Development of Stream and Their Drainage Basins : Hydrophysical Approach to Quantitative Morphology, Bull. Geol. Soc. of Amer.(56), pp.275-375 
  8. Rosso, R., 1984, Nash Model Relation to Horton Order Ratios, Water Resources Research 20(7), 914-920 
  9. Strahler, A. N., 1954, Statistical Analysis in Geomorphic Research, Jr. Gelogy(61), pp.125 
  10. 안승섭, 조명희, 1999, 지리정보시스템을 이용한 하천유역의 지상학적 특성분석, 한국지리정보학회지 , 2(3), 23-34 
  11. Hormadka, T. V., R. J. Whitley, 1999, On Formalization of Unit Hydrograph and LinkNode Hydrograph-Routing Systems, Journal of Hydrology, pp.66-84 

이 논문을 인용한 문헌 (3)

  1. Lee, Taek-Soon ; Song, Bong-Geun ; Han, Chi-Bok ; Park, Kyung-Hun 2011. "Analysis of the GIS-Based Water Cycle System for Effective Rainwater Management of Gyeongsangnam-do" 한국지리정보학회지 = Journal of the Korean Association of Geographic Information Studies, 14(2): 82~95 
  2. Baek, JongJin ; Jung, Yong ; Choi, Minha 2012. "Estimation for Runoff based on the Regional-scale Weather Model Applications:Cheongmi Region" 大韓土木學會論文集, Journal of the Korean Society of Civil Engineers, B. 수공학, 해안 및 항만공학, 환경 및 생태공학, 32(b1): 29~39 
  3. Kim, Jungho ; Yoo, Chulsang ; Park, Moojong ; Joo, Jingul 2014. "Evaluation of Problems to Apply Runoff Curve Number to Mountain Area in Korea" 한국방재학회논문집 = Journal of the Korean Society of Hazard Mitigation, 14(5): 293~298 

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