EXTREME FLOOD AT SRISAILAM DAM

 Prof.T.Shivaji Rao and Dr.M.Ramesh,

GITAM University,

Visakhapatnam-530045

 


Peak Flow Calculation for KRISHNA RIVER at SRISAILAM DAM Q = 2.778 CIA, Q in Cumecs, I in cm/hr, A in Sq Km, 

Sl.No Name of the District Disrict wise Basin Area, Sq. Miles (Approx) Disrict wise Basin Area, Sq. Km (Approx), (A=Sq.Miles*1.61*1.61) Peak Daily Rainfall in mm (1st week of Ocotber 09) Intensity of Rainfall, cm/hr, (I=(1/24)*(mm/10) Coefficient of Runoff, C Peak Flood Discharge, Q=(2.778*C*I*A), Cumec Peak Flood Discharge in Cusec, (Q=Cumec*35.24)
1 Pune 5924 15355.6 40 0.166666667 0.6 4265.785791 150326.3
2 Sholapur 5707 14793.1 140 0.583333333 0.6 14383.34542 506869.1
3 Satara 4000 10368.4 100 0.416666667 0.6 7200.8538 253758.1
4 Sangli(South 3300 8553.9 80 0.333333333 0.6 4752.563508 167480.3
5 Kolhapur 2200 5702.6 50 0.208333333 0.6 1980.234795 69783.5
6 Ahmadnagar 900 2332.9 20 0.083333333 0.6 324.038421 11419.1
7 Chitradurg 4200 10886.8 30 0.125 0.6 2268.268947 79933.8
8 Shimoga 2500 6480.3 100 0.416666667 0.6 4500.533625 158598.8
9 Chikmaglur 1800 4665.8 30 0.125 0.6 972.115263 34257.3
10 Tumkur 500 1296.1 60 0.25 0.6 540.064035 19031.9
11 Hasan 500 1296.1 80 0.333333333 0.6 720.08538 25375.8
12 Bellary 3800 9850.0 40 0.166666667 0.6 2736.324444 96428.1
13 Bijapur 6600 17107.9 100 0.416666667 0.6 11881.40877 418700.8
14 Belgam 4400 11405.2 120 0.5 0.6 9505.127016 334960.7
15 Dharwad 4000 10368.4 80 0.333333333 0.6 5760.68304 203006.5
16 Gulberga 6400 16589.4 140 0.583333333 0.6 16129.91251 568418.1
17 Raichur 5500 14256.6 60 0.25 0.6 5940.704385 209350.4
18 Mahaboobnagar 6800 17626.3 110 0.458333333 0.6 13465.59661 474527.6
19 Nalgonda 5300 13738.1 30 0.125 0.6 2862.339386 100868.8
20 Hyderabad 2800 7257.9 7 0.029166667 0.6 352.8418362 12434.1
21 Warangal 1000 2592.1 30 0.125 0.6 540.064035 19031.9
22 Khammam 800 2073.7 60 0.25 0.6 864.102456 30451.0
23 Kurnool 1600 4147.4 260 1.083333333 0.6 7488.887952 263908.4

Total 80531 208744.4



4208920.5 20Lakhs Cusecs

peakflowcalculation-1.xls 

peakflowcalculation-2.xls