Preprints
https://doi.org/10.5194/hess-2016-194
https://doi.org/10.5194/hess-2016-194
09 May 2016
 | 09 May 2016
Status: this preprint has been retracted.

Application of runoff coefficient and rainfall-intensity-ratio to analyze the relationship between storm patterns and flood responses

Nam Won Kim, Mun-Ju Shin, and Jeong Eun Lee

Abstract. The analysis of the effects of storms on floods is essential for designing hydraulic structures and flood plains. Observations of the flow time series for the various catchment sizes are needed to understand the effects on floods, but it is not easy to obtain these datasets because most stream channels are ungauged. Hence, a reasonable method for generating the flow time series for the ungauged catchments is needed to secure the datasets. A quantitative analysis for investigating the relationship between the natural storm patterns, the peak flows, the volumes of floods, and their durations for the various catchment sizes is also needed. This study suggests a method to investigate quantitatively the relationship between storms and floods using datasets generated for the ungauged catchments. The relationship between the runoff coefficients and the rainfall-intensity-ratios with respect to catchment sizes for the dependent catchments showed that the events can be separated into four physically reasonable types using the pattern of storms and flood responses. This indicates that the relationship between the pattern of storms and flood responses for any event in terms of dependent catchments can be analyzed using plots of runoff coefficients and rainfall-intensity-ratios versus the catchment size. There are correlations between the runoff coefficients and the rainfall-intensity-ratios for the independent catchments, but these correlations have no relationship with the four types of events from the dependent catchments.

This preprint has been retracted.

Nam Won Kim, Mun-Ju Shin, and Jeong Eun Lee

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
Nam Won Kim, Mun-Ju Shin, and Jeong Eun Lee
Nam Won Kim, Mun-Ju Shin, and Jeong Eun Lee

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Latest update: 28 Mar 2024
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This preprint has been retracted.

Short summary
This study suggests relatively easy and pragmatic techniques that are data generation technique for the ungauged catchments, and an analysis technique to investigate the relationship between natural storm types and flood responses. For the dependent catchments, the events can be separated into four physically reasonable types using the pattern of natural storms and flood responses. But these four types cannot be applied for the event separation for the independent catchments.