JOURNAL BROWSE
Search
Advanced SearchSearch Tips
A Proposal of Unit Hydrograph Using Statistical Analysis in Oedo Stream, Jeju
facebook(new window)  Pirnt(new window) E-mail(new window) Excel Download
 Title & Authors
A Proposal of Unit Hydrograph Using Statistical Analysis in Oedo Stream, Jeju
Lee, Jun-Ho; Yang, Sung-Kee; Jung, Woo-Yul;
  PDF(new window)
 Abstract
Rainfall-runoff model of Jeju Oedo Stream was used to compute the optimal unit hydrograph by HEC-HMS model that reflecting on watershed characteristics. Each rainfall event was comparatively analyzed with the actual flow measurement using Clark, Snyder and SCS synthetic methods for derived unit hydrograph. Subsequently, the null hypothesis was established as p-value for peak flow and peak time of each unit hydrograph by one-way ANOVA(Analysis of variance) was larger than significance level of 0.05. There was no significant difference in peak flow and peak time between different methods of unit hydrograph. As a result of comparing error rate with actual flow measurement data, Clark synthetic unit graph best reflected in Oedo Stream as compared to other methods, and error rate of Clark unit hydrograph was 0.02~1.93% and error rate at peak time was 0~2.74%.
 Keywords
HEC-HMS;Clark;Snyder;SCS;One-way ANOVA;Unit hydrograph;
 Language
Korean
 Cited by
 References
1.
Hong, J. P., 1998, A Study of Statistical Data Analysis, Yonsei University.

2.
Jung, B. H., 2002, A study on Application of HEC-HMS Model to the Naerinchon Basin, Kangwon national university.

3.
Jung, W. Y., 2013, The Estimation of Parametric Runoff Characteristics and Flood Discharge based on Riverine In-situ Measurements in Jeju Island, doctoral thesis, Jeju national university.

4.
Jung, W. Y., Yang, S. K., Lee, J. H., 2013, Characteristics of Runoff on Urban Watershed in Jeju Island, Korea, Journal of Environmental Science, 22(5), 555-562. crossref(new window)

5.
Jung, W. Y., Yang, S. K., Kim, D. S., 2014, Flood Discharge to Decision of Parameters in Han Stream, Journal of Environmental Science, 23(4), 533-541. crossref(new window)

6.
Jeju Special Self-Governing Province, 2007, A damage form strom and flood white paper.

7.
Kang, M. S., 2012, A Study on Water Resource Analysis on Major Base Runoff Regions of southern area in Jeju Island, Jeju national university.

8.
Kim, Y. S., Yang, S. K., Yu, K. K., Kim, S. J., 2013, Flood Runoff Measurements Using Surface Image Velocimetry, Journal of Environmental Science, 22(5), 581-589. crossref(new window)

9.
Kim, D. S., Yang, S. K., Jung, W. Y., 2014, Error Analysis for Electromagnetic Suface Velocity and Discarge Measurement in Rapid Mountain Stream Flow, Journal of Environmental Science, 23(4), 543-552. crossref(new window)

10.
Yang, S. K., Kim, D. S., Jung, W. Y., 2014, Rainfall-Runoff Characteristics in a Jeju Stream considering Antecedent Precipitation, Journal of Environmental Science, 23(4), 553-560. crossref(new window)

11.
Yang, W. S., Yang, S. K., 2013, Stram Flow Analysis of Dry Stream on Flood Runoff in Islands, Journal of Environmental Science, 22(5), 571-580. crossref(new window)

12.
Yang, S. K., Kim, D. S., Yu, K. K., Kang, M. S., Jung, W. Y., Lee, J. H., Kim, Y. S., You, H. J., 2012, Comparison of Flood Discharge and Velocity Measurements in a Mountain Stream Using Electromagnetic Wave and Surface Image, Journal of Environmental Science, 21(6), 739-747. crossref(new window)