H&H Data Store
Hydraulics and hydrology data, ready for analysis.
High-quality urban drainage and flood risk datasets for any location nationwide, with unlimited access to the Ghana Hydro-Database archive.
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River basin maps
Coastal rivers (Ayensu, Densu, Ochi Amissa, Ochi Nakwa, Tordzie, Aka) and south western rivers (Bia, Tano, Pra, Ankobra).
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MMDA watershed maps
Drainage basin delineations and waterways for specific metropolitan, municipal and district assemblies.
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Urban drainage channel maps
Flowpaths of urban channels from source to outfall, with tributary confluences.
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Community flood inundation maps
Inundation extents over buildings, roads, parcels and critical infrastructure.
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Flood hazard metrics
Depth, velocity and arrival time, baseline and future climate, for the metropolitan areas.
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Drainage design parameters
Design peak discharges and runoff coefficients for sizing culverts, channels and bridges.
Delivered as
- GeoTIFF
- Shapefile
- GeoPDF
- NetCDF
- CSV
All datasets are QA/QC-checked and GIS-compatible, ready for engineering design, planning and risk assessment workflows.
Downloads
Map library.
River basins, MMDA watersheds, urban drainage channels and community flood exposure.
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Pra -
Tano -
Ochi Nakwa -
Ochi Brocher