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http://dx.doi.org/10.3741/JKWRA.2011.44.3.179

Spatial Analysis of Precipitation with PRISM in Gangwondo  

Um, Myoung-Jin (Dept. of Civil Eng., Yonsei University)
Jeong, Chang-Sam (Department of Civil and Envoronment Design, Induk University)
Publication Information
Journal of Korea Water Resources Association / v.44, no.3, 2011 , pp. 179-188 More about this Journal
Abstract
In this study, the regional factors in Gangwondo were used to analysis the relationship between point precipitation and areal precipitation. The most province area in Gangwondo is consist of mountainous terrain. At the east part of the Taebaek Mountains, the slope is very steep and the coastal plains don't exist. At the west part of the Taebaek Mountains, the slope is mild, there are many rivers, such as South Han-river and North Han-river, and the regions are very complex terrain. The data of 66 stations in Gangwondo and the PRISM (Parameter-elevation Regression on Indepedent Slope Model) were used to estimate the spatial distribution of precipitation. According to the topographic conditions, such as elevation and slope, and the regional conditions, such as Youngdong and Youngseo, the spatial distribution of precipitation is well shown. At the results of cross-validation, the RRBIAS and the RRMSE are under 0.1 and therefore the analysis of the PRISM are well conducted. Consequently the PRISM in this study is a appropriate method to estimate the spatial distribution of precipitation in Gangwondo.
Keywords
areal precipitation; mountainous terrain; PRISM; spatial distribution; cross-validation;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
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