GovTwin / Institution
Raozan (Chattogram)
Local Gov
A northeastern Chattogram upazila on the Halda river, known for natural carp spawning grounds, power-plant installations, and a mix of foothill and floodplain land.
Wealth rank 375/452
(1 = poorest upazila)
Indicators: Meta RWI (HDX); ERA5-Land; MODIS; Sentinel-5P; VIIRS night-lights; GHSL; Hansen v1.11; CHIRPS v2.0. Exposure: GloFAS v2.1, FABDEM, MODIS LST, ACAG PM2.5, WorldPop 2020.
Problems and issues
- environment Hill-cutting and clearing on Raozan's foothill margins feed the district's tree-cover loss, while pressure on the Halda corridor threatens its spawning habitat. So what: Degraded hills and riverbanks raise erosion and harm a critical fishery. Source: Department of Environment
- climate disaster Heavy district rainfall and foothill runoff produce flash flooding and bank erosion along the Halda floodplain. So what: Floods damage riverside farmland and disrupt the spawning river. Source: Bangladesh Water Development Board / Department of Disaster Management
- poverty Raozan's mean Relative Wealth Index of 0.136 (national rank 375/452) is comparatively high but still reflects standing within a nationally poor distribution. So what: Local prosperity does not guarantee resilience to river hazards. Source: Meta Data for Good Relative Wealth Index (HDX)
Probable solutions
- Foothill afforestation and Halda riverbank protection to curb erosion and safeguard spawning habitat. Responsible: Bangladesh Forest Department / Department of Environment · policy proposal
- Flash-flood early warning and drainage works tuned to the foothill-and-floodplain runoff regime. Responsible: Department of Disaster Management · policy proposal