Characteristics of the sub-basin with available runoff
data
Code |
|
K1 |
Length
(km) |
|
306 |
Area
(km2) |
|
17,972 |
Total Population 2001 (millions) |
|
5.93 |
Population
Density 2001 (persons/km2) |
|
304 |
Annual
Rainfall Runoff (P) |
(mm) |
1,099 |
(km3) |
27.1 |
Annual Runoff (Q) (km3) |
|
18.3 |
Runoff
Coefficient (Q : P) |
Observed |
0.68 |
Predicted |
0.62 |
Curve |
LM |
Potential Evaporation
Ep (mm/yr) |
|
1,291 |
Aridity Index (Ep/P) |
|
1.2 |
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 |
Vijaywada |
251,360 |
728 |
817 |
93 |
53 |
0.13 |
0.07 |
-10.09 |