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KMID : 1024519960050010015
Journal of the Environmental Sciences
1996 Volume.5 No. 1 p.15 ~ p.23
Water Quality Evaluation on the Bottom Water of Masan Bay by Multivariate Analysis
Lee Mu-Kang

Hwang Jeung-Wook
Choi Young-Kwang
Abstract
During the last two decades, many industrial complexes for heavy and chemical industries have been established along the Korean coastline, thereby increasing the pollution materials burden on the coastal environment of seawater. Masan Bay is one of the most polluted coastal areas in Korea and the main soures of pollutants are domestic and industrial wastewater from Masan, Changwon. This study was aimed to evaluate relationships among the physicochemical parameters in the bottom water of Masan bay and to examine environmental factors affecting to pollutions of seawater by factor analysis. ¡¯rife factor loading, 1 is showed higher increasing inclination after 1989 year in station 1. The variance of pollutant materials is showed 43.7% in which the coastal inflow water is indicated external loadings(factor 1 : NO3--N, TN, factor 4 : SiO2-Si) corresponded to domestic sewage, industrial wastewater, and earth-sands in the bottom water of Masan bay And the internal loadings(factor 2 : SS, salinity, factor 3 . W.T., DO) are explained 33.8%¡¯corresponded the phenomena of sedimentary layer and oxygen concentration. Therefore, The external loadings are explained by the higher factor pollutantal variance in Masan bay. Key Words : Masan bay, factor analysis, factor loading, bottom-water, varimax rotation
KEYWORD
Masan bay, factor analysis, factor loading, bottom-water, varimax rotation
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