Table 2.
Specifics of the data used to derive thematic layers for the GWPZ.
| Data Type | Data detail | Time/Duration | Sources | File | Layer extracted |
|---|---|---|---|---|---|
| Rainfall | Annual Precipitation (mm) | 2010–2020 | Climatic Research Unit (CRU) Data (Available at https://sites.uea.ac.uk/cru/data/) | .NetCDF | Annual Rainfall |
| Satellite Imagery | Landsat 8 Operational Land Imager (OLI) Level-1T images with 30 m spatial resolution | Acquired on 2021-03-17 | NASA LP DAAC – Land Processes Distributed Active Archive Center (Available at https://earthexplorer.usgs.gov/) | .Geotiff | LULC FIS Lineament Density |
| Copernicus GLO-30 Digital Elevation Model with 30 m spatial resolution | Acquired on 2015 | European Space Agency, Sinergise (Available at https://opentopography.org/) | .Geotiff | Drainage Slope TWI TPI Curvature Roughness | |
| Geological Map | Geological Map of Bangladesh published by Geological Survey of Bangladesh in Scale of 1:1,000,000 | Acquired on 1990 & compiled in 2001 | United States Geological Survey (USGS) Publications Warehouse (Available at https://pubs.er.usgs.gov/) | .Geotiff | Geology |
| Soil Data | Land Resources Appraisal of Bangladesh for Agricultural Development, 1988 (BGD/81/035) | Bangladesh Agricultural Research Council (BARC) (Available at http://www.barc.gov.bd/) | ESRI.shp |
|