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Table 2 Error analysis between simulated and observed verification parameters

From: A simulation-optimization approach for assessing optimal wastewater load allocation schemes in the Three Gorges Reservoir, China

Variable Mean error Absolute mean error Absolute relative mean error
Water surface level (m) 0.081 1.004 0.65%
Velocity (m/s) 0.048 0.058 5.53%
DO (mg/L) 0.073 0.353 4.34%
NH4+-N (mg/L) 0.008 0.051 16.51%
COD (mg/L) 0.233 1.537 20.94%