This study was conducted to analyze the pattern of eutrophication of artificial lakes using different concentrations of T-P and Chl-a concentration in order to evaluate water quality characteristics of the classified type for lakes. Based on maximum 228 water quality data, the 21 artificial lakes we...
This study was conducted to analyze the pattern of eutrophication of artificial lakes using different concentrations of T-P and Chl-a concentration in order to evaluate water quality characteristics of the classified type for lakes. Based on maximum 228 water quality data, the 21 artificial lakes were classified as four-type of lakes; Clean A has the water purified system and no ecosystem, Clean B has no water purified system and no ecosystem, Eco A has the water purified system and the ecosystem, and Eco B has no water purified system and the ecosystem. Whereas 66.6(52.4+14.2)% for selected lakes was found to be eutrophic using TSI(Chl), 85.6(52.4+33.3)% for selected lakes was found to be eutrophic using TSI(T-P). The water quality data (i.e., such as chemical oxygen demand (COD), total phosphorus (T-P), total nitrogen (T-N), suspended solid (SS), chlorophyll-a (Chl-a), and turbidity from the lakes evaluated in this study were carefully monitored and were correlated to find the new classified criteria. The relationships among parameters(SS, Turbidity, and Chl-a) were evaluated and the relationships between SS and Turbidity was found to be good based on the correlation coefficient(R²). From the results, develop empirical models were as follows. 1. Clean A: Log10(SS)=0.52Log10(Turb.)+0.38; 2. Clean B: Log10(SS)= 0.72Log10(Turb.)+0.18; 3. Eco A: Log10(SS)=0.63Log10(Turb.)+0.30; and, 4. Eco B: Log10(SS)=0.78Log10(Turb.)+0.16. Regression analyses of SS against Turbidity showed that the value of R² were 0.65(Clean A), 0.62(Clean B), 0.74(Eco A), 0.80(Eco B)(P<0.001), respectively. According to the empirical models, this study suggest that SS can be used to predict the turbidity, which is a new practical criteria applied in field study. According to the Total TSI_((KAL)):(Trophic State Index_((Korea Artificial Lake))), this study correlate among TSI_((KAL))(SS), TSI_((KAL))(CHL) and TSI_((KAL))(T-P), which is a new Index applied in Artificial lake's trophic state. TSI_((KAL))(SS) = 4.5 + 48.1 log(SS ㎎/L) TSI_((KAL))(CHL) = 11.8 + 35.6 log(Chl-a ㎎.㎥) TSI_((KAL))(T-P) = 104.1 + 40.8 log(T-P ㎎/L) Total TSI_((KAL)) = 0.231 TSI_((KAL))(SS) + 0.5 TSI_((KAL))(CHL) + 0.269 TSI_((KAL))(T-P)
This study was conducted to analyze the pattern of eutrophication of artificial lakes using different concentrations of T-P and Chl-a concentration in order to evaluate water quality characteristics of the classified type for lakes. Based on maximum 228 water quality data, the 21 artificial lakes were classified as four-type of lakes; Clean A has the water purified system and no ecosystem, Clean B has no water purified system and no ecosystem, Eco A has the water purified system and the ecosystem, and Eco B has no water purified system and the ecosystem. Whereas 66.6(52.4+14.2)% for selected lakes was found to be eutrophic using TSI(Chl), 85.6(52.4+33.3)% for selected lakes was found to be eutrophic using TSI(T-P). The water quality data (i.e., such as chemical oxygen demand (COD), total phosphorus (T-P), total nitrogen (T-N), suspended solid (SS), chlorophyll-a (Chl-a), and turbidity from the lakes evaluated in this study were carefully monitored and were correlated to find the new classified criteria. The relationships among parameters(SS, Turbidity, and Chl-a) were evaluated and the relationships between SS and Turbidity was found to be good based on the correlation coefficient(R²). From the results, develop empirical models were as follows. 1. Clean A: Log10(SS)=0.52Log10(Turb.)+0.38; 2. Clean B: Log10(SS)= 0.72Log10(Turb.)+0.18; 3. Eco A: Log10(SS)=0.63Log10(Turb.)+0.30; and, 4. Eco B: Log10(SS)=0.78Log10(Turb.)+0.16. Regression analyses of SS against Turbidity showed that the value of R² were 0.65(Clean A), 0.62(Clean B), 0.74(Eco A), 0.80(Eco B)(P<0.001), respectively. According to the empirical models, this study suggest that SS can be used to predict the turbidity, which is a new practical criteria applied in field study. According to the Total TSI_((KAL)):(Trophic State Index_((Korea Artificial Lake))), this study correlate among TSI_((KAL))(SS), TSI_((KAL))(CHL) and TSI_((KAL))(T-P), which is a new Index applied in Artificial lake's trophic state. TSI_((KAL))(SS) = 4.5 + 48.1 log(SS ㎎/L) TSI_((KAL))(CHL) = 11.8 + 35.6 log(Chl-a ㎎.㎥) TSI_((KAL))(T-P) = 104.1 + 40.8 log(T-P ㎎/L) Total TSI_((KAL)) = 0.231 TSI_((KAL))(SS) + 0.5 TSI_((KAL))(CHL) + 0.269 TSI_((KAL))(T-P)
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