Journal of the Korean Data and Information Science Society
- Volume 19 Issue 4
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- Pages.1201-1210
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- 2008
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- 1598-9402(pISSN)
Factor analysis of the trend of stream quality in Nakdong River
- Kim, Kyong-Mu (Department of Computer Science & Statistics Daegu University) ;
- Lee, In-Rak (Department of Computer Science & Statistics Daegu Graduate University) ;
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Kim, Jong-Tae
(Department of Computer Science & Statistics Daegu University)
- Published : 2008.11.30
Abstract
The goal of this paper is to investigate the trend of stream quality and the quality of water in Nakdong river by the method of factor analysis. It used the fourteen different monthly time series data such as pH, BOD, COD, SS, TN and etc. of the thirty four of Nakdong River measurement points from Jan. 1998 to Dec. 2006. The result of factor analysis is that the factor 1 results from organic water pollution is occupied 29.288% such as BOD, COD, TN and EC, and the factor 2 explained from sewage and a seasonal variation is occupied 16.467% such as SS.