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. 2020 Sep 14;4(9):e2020GH000259. doi: 10.1029/2020GH000259

Table 4.

Statistical Metrics for Comparison of the Simulated (With the Average Estimates of the Inventory) and Observed Annual Mean (8 weeks of mean of daily values, 2 weeks in each season) concentrations in the PM2.5 at the MOEJ monitoring stations in Japan

N a Obs. Med. b Sim:Obs c R d Fa2 e Fa5 f
Unit ng m−3
Cu 120 (127) 3.86 (3.75) 3.3 (5.4) 0.0 (0.23) 0.20 (0.11) 0.78 (0.48)
Mn 121 (130) 6.96 (6.72) 1.2 (1.3) 0.086 (0.31) 0.83 (0.82) 0.92 (0.96)
Fe 133 (142) 94.4 (90.6) 1.1 (0.85) 0.52 (0.64) 0.86 (0.82) 0.96 (0.98)
V 138 (147) 2.77 (2.74) 2.6 (2.1) 0.86 (0.52) 0.29 (0.46) 0.97 (0.94)
Ni 135 (144) 1.75 (1.71) 3.7 (3.1) 0.42 (0.48) 0.16 (0.26) 0.67 (0.79)

Note. Values without and with brackets are of the D02 and D01 simulations, respectively.

a

Number of available data (equivalent to number of stations in the model domains).

b

Median of observation data.

c

Simulation to observation median ratio.

d

Correlation coefficient.

e

Fraction of simulated values within a factor of two of the observed values.

f

Fraction of simulated values within a factor of five of the observed values.