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http://dx.doi.org/10.3741/JKWRA.2008.41.3.251

Derivation of Intensity-Duration-Frequency and Flood Frequency Curve by Simulation of Hourly Precipitation using Nonhomogeneous Markov Chain Model  

Choi, Byung-Kyu (The University of Seoul)
Oh, Tae-Suk (The University of Seoul)
Park, Rae-Gun (Saman Corporation)
Moon, Young-Il (The University of Seoul)
Publication Information
Journal of Korea Water Resources Association / v.41, no.3, 2008 , pp. 251-264 More about this Journal
Abstract
In this study, a nonhomogeneous markov model which is able to simulate hourly rainfall series is developed for estimating reliable hydrologic variables. The proposed approach is applied to simulate hourly rainfall series in Korea. The simulated rainfall is used to estimate the design rainfall and flood in the watershed, and compared to observations in terms of reproducing underlying distributions of the data to assure model's validation. The model shows that the simulated rainfall series reproduce a similar statistical attribute with observations, and expecially maximum value is gradually increased as number of simulation increase. Therefore, with the proposed approach, the non-homogeneous markov model can be used to estimate variables for the purpose of design of hydraulic structures and analyze uncertainties associated with rainfall input in the hydrologic models.
Keywords
Kernel density function; Markov model; Flood Frequency Curve; Hourly Precipitation simulation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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