Application of MM5-CAMx-PSAT Modeling Approach for Investigating Emission Source Contribution to Atmospheric SO_𝟐 Pollution in Tangshan, Northern China

Table 2

Results of CCA between grid-based variation of emission contribution to air quality in receptor 1 and meteorological/terrain data in Tangshan, 2006.

(a) January			(b) April
CV	Correlation	Pearson	CV	Correlation	Pearson
CV1	0.781	Correlation	CV1	0.748	Correlation
Variable	Loadings		Variable	Loadings
Contribution	0.987	1.000	Contribution	0.987	1.000
PBLH	−0.439	−0.677	PBLH	−0.639	−0.483
T2m	−0.062	−0.163	T2m	−0.387	−0.188
WS10	−0.626	−0.746	WS10	−0.672	−0.588
TERRAIN	0.009	0.041	TERRAIN	−0.039	0.242
PSLV	0.061	−0.002	PSLV	−0.038	0.205
RH	−0.160	0.094	RH	−0.479	0.221
WD	−0.069	−0.150	WD	−0.011	−0.243
(c) July			(d) October
CV	Correlation	Pearson	CV	Correlation	Pearson
CV1	0.725	Correlation	CV1	0.807	Correlation
Variable	Loadings		Variable	Loadings
Contribution	0.987	1.000	Contribution	0.987	1.000
PBLH	−0.989	−0.416	PBLH	−0.434	−0.724
T2m	−0.061	−0.167	T2m	−0.088	−0.113
WS10	−0.502	−0.347	WS10	−0.591	−0.729
TERRAIN	−0.005	0.346	TERRAIN	−0.003	0.045
PSLV	−0.050	0.029	PSLV	0.010	−0.001
RH	−0.715	−0.066	RH	−0.120	0.029
WD	0.091	−0.086	WD	0.010	−0.035