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http://dx.doi.org/10.3741/JKWRA.2007.40.7.511

Rainfall Adjustment on Duration and Topographic Elevation  

Um, Myoung-Jin (Dept. of Civil Eng., Yonsei Univ.)
Cho, Won-Cheol (School of Civil and Environmental Eng., Yonsei Univ.)
Rim, Hae-Wook (Water Resources Development, Seoyeong Engineering Co., Ltd.)
Publication Information
Journal of Korea Water Resources Association / v.40, no.7, 2007 , pp. 511-521 More about this Journal
Abstract
The objective of this study is to develop a method of rainfall adjustment on duration and topographic elevation for rainfall data in Jejudo. The method of rainfall adjustment is based on the polynomial regression analysis for the hourly rainfall data and the distribution of observatories of korea meteorological administration. As the results of modeling have shown, duration and rainfall are more correlated than topographic elevation and rainfall, and the model which considers only an elevation exaggerates the amount of rainfall adjustment. Hence the model of duration-elevation-rainfall is more competitive to the natural rainfall event than the model of topographic elevation-rainfall. However this model require to supplement a small number of rainfall observatories and short observed period.
Keywords
rainfall; duration; topographic elevation; polynomial regression analysis;
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