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Data source of the study.
| Data | Source | Year |
|---|---|---|
| Study area | DIVA-GIS | N/A |
| Digital elevation model (DEM) | Shuttle radar topography mission (SRTM GL1) Global 30 m | N/A |
| Major roads | LGED (Local government engineering department, Bangladesh) | 2023 |
| Major river | Hydro SHEDS (Hydro RIVERS) | N/A |
| Land use & land cover | USGS | 1998,2006, 2015,2024 |
| Modis | NASA earth data | 1998,2006, 2015,2024 |
| Health risk perception | Field survey | 2024 |
