Table 1.
Data sources and specifications used in the study
| Dataset | Source | Resolution | Time Period | Purpose |
|---|---|---|---|---|
| Landsat 8 & 9 OLI | USGS/NASA | 30 m (resampled from 100 m for TIRS bands) | March-May | Deriving LST for UHI detection |
| PlanetScope (NICFI) | Planet Labs | 4.77 m | Composite image of 2023 | LULC classification using OBIA |
| Air Temperature | WRD | Point-based (ground stations) |
2017–2023 (Weekly Data) |
Correlation with Dengue Incidence |
| Dengue Incidence | TNDPHPM | District/ward level |
2017–2023 (Weekly Data) |
Analysing dengue hotspots and correlation with UHI and LULC |