Backward Trajectory and Multifractal Analysis of Air Pollution in Zhengzhou Region of China

Table 3

Cross-correlation exponents for the air pollution in Zhengzhou and in four cities.

q	SJZ	JN	ZB	LY
−10	1.714	1.736	1.683	1.700
−9	1.702	1.724	1.672	1.689
−8	1.687	1.711	1.659	1.676
−7	1.669	1.693	1.642	1.660
−6	1.645	1.670	1.620	1.640
−5	1.615	1.640	1.591	1.614
−4	1.575	1.599	1.550	1.579
−3	1.522	1.542	1.495	1.533
−2	1.454	1.466	1.423	1.473
−1	1.378	1.381	1.344	1.407
0	1.303	1.302	1.275	1.345
1	1.237	1.240	1.223	1.297
2	1.177	1.183	1.179	1.257
3	1.123	1.132	1.141	1.224
4	1.080	1.090	1.109	1.195
5	1.045	1.057	1.083	1.170
6	1.018	1.031	1.061	1.151
7	0.998	1.011	1.044	1.135
8	0.982	0.995	1.030	1.122
9	0.969	0.983	1.019	1.111
10	0.959	0.972	1.009	1.102