Research Article

Estimation of Peak Flood Discharge for an Ungauged River: A Case Study of the Kunur River, West Bengal

Table 5

Calculation of peak runoff using SCS curve number method.

Potential maximum retention ( )Maximum one day rainfall during strom ( )Direct runoff or excess runoff ( )Area of the total basin ( )Time of concentration (min) ( )Time to peak runoff unit hydrograph (h) ( )Peak runoff rate unit hydrograph (m3/s) ( )

86.71 mm160 mm88.73 mm922.40 km2165.98116.18146.52