Table 3 MERRA-2 AOD, sulfate AOD, MODIS AOD, and REAS SO2 trends (% year−1 [slope])
Region | MERRA-2 | MODIS | REAS | |
|---|---|---|---|---|
AOD | Sulfate AOD | AOD | SO2 | |
SC |  − 3.10 (− 0.0160) |  − 3.01 (− 0.0121) |  − 7.32 (− 0.0308) |  − 6.00 (− 17.70) |
NWIC |  − 2.53 (− 0.0042) |  − 3.38 (− 0.0034) |  − 0.45 (− 0.0007) |  − 0.11 (− 0.03) |
NEIC |  − 4.40 (− 0.0146) |  − 5.05 (− 0.0124) |  − 7.27 (− 0.0253) |  − 5.17 (− 6.63) |
SIC |  − 3.00 (− 0.0058) |  − 4.48 (− 0.0048) |  − 2.72 (− 0.0066) | 2.29 (0.87) |