Table 1 Description of data type and sources
1986 | 2002 | 2019 | Purpose | |
|---|---|---|---|---|
Satellite (sensor) | Landsat TM | Landsat ETM+ | Landsat OLI | LULC classification |
Sources | Earth explorer | Earth explorer | Earth explorer | |
Resolution | 30 × 30 m | 30 × 30 m | 30 × 30 m | |
Path/row | 168/054 | 168/054 | 168/054 | |
Acquisition date | 03/26/1986 | 02/26/2002 | 02/01/2019 | |
Sun elevation | 53.89042105 | 53.91455582 | 51.36869550 | |
Sun azimuth | 98.39366733 | 118.06159253 | 131.97553411 | |
Solar zenith angle | 36.10957895 | 36.08544418 | 38.6313045 | |
Earth-Sun distance | 0.9975825 | 0.9901226 | 0.9853171 | |
Cloud cover | Free (study area) | Free | Free (study area) | |
Image quality | 9 | 9 | 9 | |
Google earth image | Yes, 1986 | Yes, 2002 | Yes, 2019 | Ground truth |
Ancillary data | Sources | Purpose | ||
Road | CSA | Proxy for | ||
Population (since 1984) | CSA & Municipality | Growth trend | ||
Other socio-economic data | Municipality | Ancillary |