International Scholarly Research Notices / 2012 / Article / Tab 4 / Research Article
Evaluating the Performance of a Regional-Scale Photochemical Modelling System: Part I—Ozone Predictions Table 4 Summary statistics corresponding to air-quality stations associated with air-quality simulations of ozone concentration for summer 2009 and summer 2010 with different cut-off values.
Values/year Statistic 20
gm−3 30
gm−3 40
gm−3 50
gm−3 60
gm−3 Hourly/2009 MB (
gm−3 ) −4.77 −7.39 −10.10 −12.94 −15.97 MAGE (
gm−3 ) 21.07 20.39 20.11 20.36 21.25 MNBE (%) 7.20 −1.20 −7.06 −11.52 −15.22 MNGE (%) 35.17 28.48 24.74 22.86 22.31 RMSE (
gm−3 ) 26.22 25.57 25.45 25.88 26.84 UPA (%) — — — — — IOA 0.674 0.661 0.640 0.607 0.569 Hourly/2010 MB (
gm−3 ) −10.01 −12.13 −14.32 −16.58 −18.89 MAGE (
gm−3 ) 22.76 22.64 22.74 23.18 23.97 MNBE (%) −4.40 −10.21 −14.18 −17.09 −19.27 MNGE (%) 36.11 31.40 28.53 26.84 25.90 RMSE (
gm−3 ) 28.95 28.98 29.32 29.98 30.92 UPA (%) — — — — — IOA 0.694 0.671 0.641 0.603 0.558 1 h maximum/2009 MB (
gm−3 ) −14.92 −15.02 −15.11 −15.48 −16.14 MAGE (
gm−3 ) 23.98 23.93 23.90 23.86 23.87 MNBE (%) −10.30 −10.61 −10.82 −11.44 −12.35 MNGE (%) 22.49 22.22 22.07 21.72 21.37 RMSE (
gm−3 ) 29.78 29.71 29.69 29.67 29.69 UPA (%) −17.47 −17.47 −17.47 −17.47 −17.47 IOA 0.570 0.572 0.571 0.566 0.560 1 h maximum/2010 MB (
gm−3 ) −15.60 −15.68 −15.87 −16.19 −16.76 MAGE (
gm−3 ) 23.58 23.54 23.50 23.46 23.49 MNBE (%) −11.21 −11.49 −11.89 −12.43 −13.20 MNGE (%) 21.99 21.74 21.47 21.17 20.88 RMSE (
gm−3 ) 30.60 30.53 30.51 30.49 30.57 UPA (%) 0.30 0.30 0.30 0.30 0.30 IOA 0.589 0.590 0.586 0.583 0.576 8 h maximum/2009 MB (
gm−3 ) −11.04 −11.46 −11.98 −12.83 −14.24 MAGE (
gm−3 ) 20.21 20.02 19.87 19.72 19.73 MNBE (%) −6.17 −7.58 −8.78 −10.26 −12.24 MNGE (%) 23.08 21.88 21.02 20.19 19.50 RMSE (
gm−3 ) 24.96 24.71 24.53 24.34 24.41 UPA (%) −16.44 −16.44 −16.44 −16.44 −16.44 IOA 0.773 0.779 0.788 0.801 0.825 8 h maximum/2010 MB (
gm−3 ) −11.52 −11.87 −12.32 −13.09 −14.31 MAGE (
gm−3 ) 20.00 19.88 19.78 19.73 19.83 MNBE (%) −7.51 −8.62 −9.58 −10.88 −12.51 MNGE (%) 22.23 21.34 20.69 20.01 19.49 RMSE (
gm−3 ) 25.35 25.19 25.10 25.09 25.27 UPA (%) −1.40 −1.40 −1.40 −1.40 −1.40 IOA 0.780 0.784 0.789 0.799 0.820