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http://dx.doi.org/10.3741/JKWRA.2012.45.4.393

Rainfall Variations of Temporal Characteristics of Korea Using Rainfall Indicators  

Hong, Seong-Hyun (Department of Civil Engineering, Seoul National University of Science and Technology)
Kim, Young-Gyu (Department of Civil Engineering, Seoul National University of Science and Technology)
Lee, Won-Hyun (Department of Civil Engineering, Seoul National University of Science and Technology)
Chung, Eun-Sung (Department of Civil Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of Korea Water Resources Association / v.45, no.4, 2012 , pp. 393-407 More about this Journal
Abstract
This study suggests the results of temporal and spatial variations for rainfall data in the Korean Peninsula. We got the index of the rainfall amount, frequency and extreme indices from 65 weather stations. The results could be easily understood by drawing the graph, and the Mann-Kendall trend analysis was also used to determine the tendency (up & downward/no trend) of rainfall and temperature where the trend could not be clear. Moreover, by using the FARD, frequency probability rainfalls could be calculated for 100 and 200 years and then compared each other value through the moment method, maximum likelihood method and probability weighted moments. The Average Rainfall Index (ARI) which is meant comprehensive rainfalls risk for the flood could be obtained from calculating an arithmetic mean of the RI for Amount (RIA), RI for Extreme (RIE), and RI for Frequency (RIF) and as well as the characteristics of rainfalls have been mainly classified into Amount, Extremes, and Frequency. As a result, these each Average Rainfall Indices could be increased respectively into 22.3%, 26.2%, and 5.1% for a recent decade. Since this study showed the recent climate change trend in detail, it will be useful data for the research of climate change adaptation.
Keywords
rainfall index for amount; rainfall index for extremes; rainfall index for frequency; average rainfall index;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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