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Estimation of Synthetic Unit Hydrograph by Cluster Analysis Using Geomorphic Characteristics of Mid-size Watershed
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 Title & Authors
Estimation of Synthetic Unit Hydrograph by Cluster Analysis Using Geomorphic Characteristics of Mid-size Watershed
Kim, Jin Gyeom; Kim, Jong min; Kang, Boosik;
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The methodology of synthetic unit hydrograph using geomorphic characteristics was suggested. Six geomorphic components over 19 watersheds were used to estimate synthetic unit hydrograph and the test watersheds were classified into two groups on the basis of the area of . The regression formulas between standardized geomorphic characteristics for each group and peak quantities of specific streamflow and time of representative unit hydrograph were suggested and the Nash and the Clark unit hydrographs were derived. For verifying the derived unit hydrographs, the resulting hydrographs were compared with the ones using the existing Clark unit hydrographs based on the empirical parameter estimation for the 145 storm events during 2010 to 2011 for the additional six watersheds. The results showed the relatively higher performance over the existing synthetic unit hydrograph methods, which could be a contribution to the hydrologic estimation in ungauged watersheds.
Synthetic unit hydrograph;Nash model;Clark model;Geomorphic characteristics;Shape factor;
 Cited by
Bhunya, P. K., Berndtsson, R., Ojha, C. S. P. and Mishra, S. K. (2007). "Suitability of gamma, chi-square, weibull, and beta distribution as synthetic unit hydrographs." Journal of Hydrology, Vol. 334, No. 1-2, pp. 28-38. crossref(new window)

Bhunya, P. K., Mishra, S. K. and Berndtisson, R. (2003). "Simplified two-parameter gamma distribution for derivation of synthetic unit hydrograph." Journal of Hydrologic Engineering, Vol. 8, No. 4, pp. 226-230. crossref(new window)

Black, P. E. (1972). "Hydrograph responses to geomorphic model watershed characteristics and precipitation variables." Journal of Hydrology, Vol. 17, pp. 309-329. crossref(new window)

Clark, C. O. (1945). "Storage and the unit hydrograph." Trans. ASCE, Vol. 110, pp. 196-223.

Ham, D. G., Joo, J. G., Jeon, H. D. and Kim, J. H. (2008). "Study on derivation of fourth-order GIUH and revision of initial state probability." Journal of Korea Water Resources Association, KWRA, Vol. 42, No. 2, pp. 231-241 (in Korean).

Joo, J. G., Yang, J. M. and Kim, J. H. (2011). "GIUH variation by estimating locations." Journal of Korea Society of Hazard Mitigation, KOSHAM, Vol. 11, No. 1, pp. 85-91 (in Korean). crossref(new window)

Kim, J. G., Kim, J. M. and Kang, B. S. (2013). "Estimation of synthetic unit hydrograph using geospatial shape factors and nash model in mid-size watershed." Journal of Korea Water Resources Association, KWRA, Vol. 46, No. 5, pp. 547-558 (in Korean). crossref(new window)

Korea Institute of Civil Engineering and building Technology (KICT) (2000). Operation and Research on the Hydrological Characteristics of the Selma-Cheon Experimental Catchment-Development of Synthetic Unit Hydrograph (in Korean).

Kumar, R., Chatterjee, C., Singh, R. D., Lohani, A. K. and Kumar, S. (2007). "Runoff estimation for an ungauged catchment using geomorphological instantaneous unit hydrograph (GIUH) models." Hydrological processes, Vol. 21, pp. 1829-1840. crossref(new window)

Ministry of Land, Transport and Maritime Affairs (MLTMA) (2009). River design criteria (in Korean).

Nash, J. E. (1957). "The form of the instantaneous unit hydrograph." IASH General Assembly of Toronto, Vol. 45, pp. 114-121.

Rodriguez-Iturbe, I., Devoto, G. and Valdes, J. B. (1979a). "Discharge response analysis and hydrologic similarity: The interrelation between the geomorphologic IUH and the storm characteristics." Water Resources Research, Vol. 15, No. 6, pp. 1435-1444. crossref(new window)

Rodriguez-Iturbe, I., Gonzalez-Sanabria, M. and Bras, R. I. (1982). "A geomorphoclimatic theory of instantaneous unit hydrograph." Water Resources Research, Vol. 18, pp. 877-886. crossref(new window)

Rodriguez-Iturbe, I. and Valdes, J. B. (1979b). "The Geomorphologic structure of hydrologic response." Water Resources Research, Vol. 15, No. 6, pp. 1409-1420. crossref(new window)

Rosso, R. (1984). "Nash model relation to horton order ratios." Water Resources Research, Vol. 20, No. 7, pp. 914-920. crossref(new window)

Sherman, L. K. (1932). "Streamflow from rainfall by unit hydrograph method." Engineering News Records, Vol. 108, pp. 501-505.

Viessman, W. and Lewis G. L. (2003). Introduction to hydrology 5th edition, Prentice Hall, New jersey, N.J.

Yoon, T. H., Kim, S. T. and Kim, I. D. (2004). "Redefining of parameters of nakayasu synthetic unit hydrograph." Journal of Korea Society of Civil Engineers, KSCE, Vol. 24, No. 5, pp. 403-412 (in Korean).