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http://dx.doi.org/10.3741/JKWRA.2003.36.5.879

A Study on the Regionalization of Point Rainfall by Multivariate Analysis Technique  

Park, Sang-Woo (서남대학교 토목공학과)
Jun, Byong-Ho (육군사관학교 토목공학과)
Jang, Suk-Hwan (대진대학교 토목공학과)
Publication Information
Journal of Korea Water Resources Association / v.36, no.5, 2003 , pp. 879-892 More about this Journal
Abstract
This study has performed the regionalization of point rainfall which has the hydrological homogeneity for regional frequency analysis of the rainfall. For the study, the recorded rainfall data were collected from 60 rainfall gauge stations distributed all over country of the Korea Meteorological Administration, and 32 rainfall characteristic elements were analyzed from the collected data. Using the principal component analysis to be data reduction technique of the multivariate analysis and the cluster analysis to be grouping technique about many of rainfall characteristic elements of each station, the regionalization of point rainfall was accomplished rationally and efficiently. As the result, hydrological homogeneous regions of point rainfall were divided by 5 regions and 3 other regions, and rainfall characteristics of divided each region were analyzed and compared relatively using regional mean values of each rainfall element data.
Keywords
point rainfall; regionalization; principal component analysis; cluster analysis;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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