a drainage basin with an area of 5 km2 receives 25 mm of rainfall. The losses due to interception and evaporation during the rainfall event amountis 5 mm. There is also some surface runoff. There is 2% of the rain falls directly falls intothe stream as channel precipitation. A very large part of the rainfall infiltrates into the soil. The amount of 40000 m3 of volume of water discharges at the out let of thewatershed, where 75% of this amount is baseflow. What is the runoff coefficient (%)? Hint (Runoff coefficient is surface runoff/precipitation)
a drainage basin with an area of 5 km2 receives 25 mm of rainfall. The losses due to interception and evaporation during the rainfall event amountis 5 mm. There is also some surface runoff. There is 2% of the rain falls directly falls intothe stream as channel precipitation. A very large part of the rainfall infiltrates into the soil. The amount of 40000 m3 of volume of water discharges at the out let of thewatershed, where 75% of this amount is baseflow. What is the runoff coefficient (%)? Hint (Runoff coefficient is surface runoff/precipitation)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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a drainage basin with an area of 5 km2 receives 25 mm of
rainfall. The losses due to interception and evaporation during the rainfall event amountis 5 mm. There is also some surface runoff. There is 2% of the rain falls directly falls intothe stream as channel precipitation. A very large part of the rainfall infiltrates into the
soil. The amount of 40000 m3 of volume of water discharges at the out let of thewatershed, where 75% of this amount is baseflow. What is the runoff coefficient (%)?
Hint (Runoff coefficient is surface runoff/precipitation)
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