Table 4.
Aerosol optical properties and size distribution by fuel type and by platform.
| Fuel Type | Platform | MCEa | EC/TC | ω | α | Dm (nm) | σg | |
|---|---|---|---|---|---|---|---|---|
| 532 nm | 405-781 nm | 405-532 nm | ||||||
| KBG | Ground | 0.94 ± 0.037 | 0.038 ± 0.013 | 0.90 ± 0.05 | 3.1 ± 0.42 | 4.00 ± 0.59 | 164 ± 7 | 1.49 ± 0.01 |
| (3) | (4) | (4) | (2) | (2) | (4) | (4) | ||
| OBTF | 0.96 ± 0.004 | 0.139 ± 0.064 | 0.67 ± 0.07 | 1.60 ± 0.08 | 1.48 ± 0.30 | 173 ± 4 | 1.46 ± 0.01 | |
| (9) | (3) | (5) | (5) | (5) | (5) | (5) | ||
| Wheat | Ground | 0.94 | 0.024 ± 0.016 | 0.96 ± 0.04 | 2.54 ± 0.31 | 3.4 ± 0.76 | 165 ± 10 | 1.53 ± 0.01 |
| (1) | (4) | (2) | (2) | (2) | (3) | (3) | ||
| OBTF | 0.97 ± 0.009 | 0.190 ± 0.091 | 0.70 ± 0.15 | 1.60 ± 0.33 | 2.27 ± 0.61 | 168 ± 5 | 1.50 ± 0.03 | |
| (17) | (6) | (15) | (15) | (15) | (17) | (17) | ||
Numbers in parentheses denote number of measurements.
Uncertainty, ±, is one standard deviation, or range for two measurements.
a
MCE calculated from 1 to 2 min sample may not be reflective of the entire burn.