Research Article
Enhancement of UV Radiation by Cloud Effect in NE of Brazil
Table 2
Linke turbidity index and the aerosol optical depth for 700 and 440 nm.
| Month | Linke turbidity index (TL2) | Optical depth (700 nm) | Optical depth (500 nm) |
| January | 4.6 | 0.19 | 0.33 | February | 4.0 | 0.14 | 0.24 | March | 4.0 | 0.14 | 0.24 | April | 4.6 | 0.19 | 0.33 | May | 4.4 | 0.17 | 0.30 | June | 4.6 | 0.19 | 0.33 | July | 4.2 | 0.16 | 0.27 | August | 3.9 | 0.13 | 0.23 | September | 4.2 | 0.16 | 0.27 | October | 4.1 | 0.15 | 0.26 | November | 3.9 | 0.13 | 0.23 | December | 4.8 | 0.21 | 0.37 | Annual | 4.3 | 0.16 | 0.28 |
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