JEQ -- Chung et al. 33 (3): 1017 Figure IG3

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Fig. 3. Removal of chemical oxygen demand (COD) at various flow rates of river water in the model floodplain filtration system. Flow Rates I, II, and III were 40.8, 54.4, and 68.0 mm d^–1, respectively. Error bars indicate standard deviation.