A small watershed receives rainfall of 90 mm in a day. For this watershed, irrespective of the land use, the amount of initial abstraction can be considered as...

The observed rainfall of a 12 h duration event is given in the table below. If the phi (Φ) index of the storm is 0.46, the total direct runoff of the event in m...

A watershed has 1.8 km2 of cultivated area, 2.2 km2 of forest land and 1.4 km2 of grassed area. The runoff coefficient of cultivated area, forest land and grass...