Role of Atmospheric Aerosol Content on Atmospheric Corrosion of Metallic Materials

Table 2

SEM image statistics.

Statistical quantities	Chem-aerosols	Bioaerosols
Average value:	0.541678 μm	0.379106 μm
RMS roughness (Sq):	192.769 nm	181.940 nm
RMS (grain-wise):	192.769 nm	181.940 nm
Average roughness (Sa):	155.614 nm	146.229 nm
Skew (Ssk):	-0.268055	0.562874
Kurtosis:	-0.500641	0.294750
Minimum:	0.000000 μm	0.007843 μm
Maximum:	1.000000 μm	1.000000 μm
Median:	0.572549 μm	0.360784 μm
Maximum peak height (Sp):	0.458322 μm	0.620894 μm
Maximum pit depth (Sv):	0.541678 μm	0.371263 μm
Maximum height (Sz):	1.000000 μm	0.992157 μm
Projected area:	7695.65 μm^2	7265.63 μm^2
Surface area:	8580.37 μm^2	7685.13 μm^2
Volume:	4168.57 μm^3	2754.44 μm^3
Variation:	3289.81 μm^2	1600.26 μm^2
Inclination :	0.17 deg	0.24 deg
Inclination :	-8.37 deg	-159.53 deg
Scan line discrepancy:	0.0783472	0.0870799