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KMID : 1024519980070020171
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Journal of the Environmental Sciences
1998 Volume.7 No. 2 p.171 ~ p.176
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Evaluation of Water Quality using Principal Component Analysis in the Nakdong Rivev Estuary
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Shin Sung-Kyo
Park Chung-Kil
Song Kyo-Ook
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Abstract
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This study was conducted to evaluate water quality utilizing principal component analysis in the Nakdong River Estuary. From the results of analysis, water quality in the Nakdong River Estuary could be explained up to 65.3 Percente by three factors which were Included In river loadlnwastes from the Nakdong River and rainfalls : 39.1%1, sediment resuspension(13.7BS) and metabolism(12.5%). In the eastern part of estuary In flowing the Nakdong River, river loading factor score(factor 1 Pas higher than that In western part. Sediment resuspension factor score(factor 2) was high in shallow water, while metabolism factor score(factor 3) was high in deeper water. For seasonal variations of factors score, factor 1 was h19h- 1y related to rainfall season.
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KEYWORD
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water quality, principal component analysis, factor score, Nakdong River Estuary
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