Characteristics of the sub-basin with available runoff data
|
Code |
K2 | |
| Length (km) | 483 | |
| Area (km2) | 17,558 | |
| Total Population 2001 (millions) | 2.5 | |
| Population Density 2001 (persons/km2) | 174 | |
| Annual Rainfall Runoff (P) | (mm) | 462 |
| (km3) | 9.9 | |
| Annual Runoff (Q) (km3) | 0.93 | |
| Runoff Coefficient (Q : P) | Observed | 0.09 |
| Predicted | 0.08 | |
| Curve | BZ | |
| Potential Evaporation Ep (mm/yr) | 1,522 | |
| Aridity Index (Ep/P) | 3.3 |
The catchment area for the sub-basins is the area between the gauging station and the nearest upstream gauging stations, and does not include the entire catchment area. (Ref : Closing of the Krishna Basin: Irrigation, Streamflow Depletion and Macroscale Hydrology, Research Report 111. IWMI)
Change in rainfall, runoff, and runoff coefficients for two time-periods, 1971-1974 and 1996-2001
| Station |
Area (km2) |
Rainfall (mm) |
Runoff (mm) |
Rainfall: Runoff |
Change in Runoff km3 |
|||
| 71-74 | 96-01 | 71-74 | 96-01 | 71-74 | 96-01 | |||
| Alamatti | 36,286 | 920 | 964 | 477 | 456 | 0.52 | 0.47 | -0.78 |
The areas include the whole catchment area above the gauging station.