Table 3 Seasonal PD values of the hotspot regions in China (the calculation of the influence factors is based on the DAM datasets, the numbers 1–8 represent different hotspots).
From: Evaluation of Reanalysis Surface Incident Solar Radiation Data in China
 | ERA-Interim | MERRA-2 | |||||
---|---|---|---|---|---|---|---|
Hotspots | Cloud Coverage | Water Vapor | Hotspots | AOD | Cloud Coverage | Water Vapor | |
Summer | 1 | 0.4241 | 0.1624 | 5 | 0.2452 | 0.1342 | 0.1244 |
 | 2 | 0.2410 | 0.0912 | 6 | 0.2124 | 0.1623 | 0.1398 |
Winter | 3 | 0.3057 | 0.0895 | 7 | 0.4735 | 0.3823 | 0.1579 |
 | 4 | 0.2125 | 0.0631 | 8 | 0.2699 | 0.4322 | 0.1001 |