한국환경보건학회지 (Journal of Environmental Health Sciences)
- 제27권3호
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- Pages.35-42
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- 2001
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- 1738-4087(pISSN)
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- 2233-8616(eISSN)
충주호 수질변동의 추계학적 특성
Stochastic Characteristics of Water Quality Variation of the Chungju Lake
초록
The characteristics of water quality variation were predicted by stochastic model in Chungju dam, north Chungcheong province of south Korea, Monthly time series data of water quality from 1989 to 2001;temperature, BOD, COD and SS, were obtained from environmental yearbook and internet homepage of ministry of environment. Development of model was carried out with Box-Jenkins method, which includes model identification, estimation and diagnostic checking. ACF and PACF were used to model identification. AIC and BIC were used to model estimation. Seosonal multiplicative ARIMA(1, 0, 1)(1, 1, 0)