Civil Insight: A Technical Magazine Volume 2

74 PROJECTS CIVIL INSIGHT 2018 RIVER HYDROLOGY River discharge was calculated using leaf fl otation method. CHAINAGE (m) 0+000 0+100 0+200 0+300 0+400 0+500 0+600 0+700 0+800 0+900 0+1000 0+1100 AREA (m 2 ) 0.091 0.071 0.165 0.256 0.405 1.098 0.146 0.147 0.166 0.124 0.229 0.134 VELOCITY (m/s) 0.124 0.275 0.194 0.056 0.157 0.087 0.290 0.526 0.323 0.513 0.275 0.505 DISCHARGE (m 3 /s) 0.011 0.02 0.032 0.014 0.064 0.095 0.042 0.077 0.054 0.061 0.063 0.068 Average Discharge= 0.0501 m 3 MIP METHOD FOR CALCULATION OF DISCHARGE HYDROLOGICAL CALULATION FOR UNGAUGED MHP RIVERS Measured flow for MIP Method,lps 95 Month and Day of Flow Measurement 17-July MIP Region 3 3 Discharge on July 17 = 0.095 m 3 /s By Interpolation, the conversion factor of July 17 = 14.304 Therefore, Discharge on April 15 = 0.0066 m 3 /s. The predicted discharge using MIP method is shown below: Months Factor Predicted Discharge (m 3 /s) January 2.71 0.0180 February 1.88 0.0125 March 1.38 0.0092 April 1.00 0.0066 May 1.88 0.0125 June 3.13 0.0208 July 13.54 0.0899 August 25.00 0.1660 September 20.83 0.1383 October 10.42 0.0692 November 5.00 0.0332 December 3.75 0.0249

Civil Insight: A Technical Magazine Volume 2 | Page 74