| Time Epoch | Year selected | Satellite platform |
| 1970-1980 | 1973 | Landsat 1 |
| 1980-1990 | 1984 | Landsat 4 and 5 TM |
| 1990-2000 | 1993 | Landsat 5 TM |
| 2000-2010 | 2003 | Landsat 7 ETM |
| 2010-2020 | 2015 | Sentinel 2 MSI |
| 2020-2030 | 2021 | Sentinel 2 MSI |