Advances in Meteorology / 2016 / Article / Tab 2

Research Article

The Impacts of Different PBL Schemes on the Simulation of PM2.5 during Severe Haze Episodes in the Jing-Jin-Ji Region and Its Surroundings in China

Table 2

Comparisons of statistical indicators of PM2.5. (Haze: February 21 to 25, daytime, 00:00–11:00 UTC; night, 12:00–24:00 UTC. Clean days: February 3 to 5. Unit: μg m−3.)

YSUMYJBoulac

MB NMBMB NMBMB NMB
Whole month17.7 15.9%24.5 22.0%21.2 19.0%
Haze episode−2.5 −1.4%5.4 3.0%0.13 0.5%
Haze daytime−11.8 −6.8%−1.8 −1.0%−8.1 −4.6%
Haze night7.2 4.0%13.2 7.3% 8.9 4.9%

NME RMSENME RMSENME RMSE
Whole month49.8% 104.052.5% 106.049.8% 103.8
Haze episode31.2% 76.631.4% 75.431.2% 74.6
Haze daytime31.0% 76.630.6% 73.930.6% 75.8
Haze night31.4% 76.632.1% 76.931.8% 77.5

Haze/clean 174.4/64.9182.4/70.4177.1/69.2

Haze CleanHaze CleanHaze Clean
Maximum 217.8 22.2220.5 30.4220.6 27.6
Minimum98.1 24.4100.2 26.7105.8 28.5

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