Table 1: Overview of selected river basins
River basin |
Country |
Climate zone |
Inflow regime |
Data availability |
Water management problems |
Population |
River basin study area, km2 |
Neckar (RB1) |
Germany |
Temperate, humid |
Snow-Rainfall |
High |
Water quality (biological), hydromorphology, flooding, water supply |
7.5 mln. |
13 000 |
Oueme (RB2) |
Benin |
Tropical, subhumid |
Rainfall |
Low |
Water quality (sanitation and chemical), flooding, Water supply (in dry season) |
1-2 mln. |
30 000 |
Chirchik/ Upper Syrdarya (RB3) |
Uzbekistan |
High altitude, continental,semiarid |
Snow-glacial-rainfal |
Moderate |
Snowmelt driven inflow, water quality (chemical, salinization), water supply, soil erosion, siltation of dams, flooding |
2-3 mln. |
14 000 |