The following are the data obtained in a stream- gauging operation. A current meter with calibration equation V=( 0.32N+0.032)m/s, where N= revolutions per second was used to measure the velocity at 0.6 depth. Calculate the discharge in the stream. Distance from right bank (m) Depth (m) Number of Observation revolutions time (sec) 0 0 0 0 2 0.50 80 180 4 1.10 83 120 6 1.95 131 120 9 2.25 139 120 12 1.85 121 120 15 1.75 114 120 18 1.65 109 120 20 1.50 92 120 22 1.25 85 120 23 0.75 70 150 24 0 0 0

The following are the data obtained in a stream gauging operation. A current meter with a calibration equation V = (0.32 N + 0.032) m/sec was used to measure the velocity at 0.6 depth. Using the mid-section method, calculate the discharge in stream. Distance from the right bank Depth 0 2 4 6 9 12 15 18 20 22 23 24 0 0.5 1.10 1.95 2.25 1.85 1.75 1.65 1.50 1.25 0.75 0 No. of revolutions 0 80 83 131 139 121 114 109 92 85 70 0 Time (Sec) 0 180 120 120 120 120 120 120 120 120 150 0

The following data found in a stream gauging stations. A current meter with a calibration equation v= (0.52 Ns + 0.052) m/s, where Ns = revolution per second was used to measure the velocity at 0.60 depth. Determine discharge using mid section method.   Distance(m) from left  bank    0 2 4 6 9 12 15 Depth (m)      0 1 2 3 2 1 0 Number of revolution   0 80 83 90 95 90 0 Time  (secs) 0 100 101 103 105 103 0     Describe slope area method for discharge measurement Provide a physical example for the measurement of discharge by slope area method Floods: Illustrate flood with detail explanation of different types.

Problem statement The data pertaining to a stream-gauging operation at a gauging site are given below. The rating equation of the current meter is v=0.51 Ng + 0.03 m/s where NB second. Calculate the discharge in the stream. Distance from left water edge (m) Depth (m) Revolutions of a current meter kept at 0.6 depth Duration of observation (s) 0 0 0 0 1.0 1.1 39 100 3.0 2.0 58 100 5.0 2.5 112 150 7.0 2.0 90 150 9.0 1.7 45 100 = revolutions per 11.0 1.0 30 100 12.0 0 0 0