The Muskingum method of flood routing has been chosen to forecast the movement of a flood wave from a point 30 km upstream of a center of population. Engineers have previously estimated the Muskingum K and X parameters for this reach to be 10 hours and 0.15 respectively. If the upstream flood was measured every 6 hours starting at 09:00 hours and the flows were recorded as 25, 35, 50, 80, 140, 130, 90, 80, 50, 30 and 25 m3 /s for the first 60 hours and 25 m3 /s thereafter then estimate the peak flow at the town and the time at which the peak flow will occur.
The Muskingum method of flood routing has been chosen to forecast the movement of a flood wave from a point 30 km upstream of a center of population. Engineers have previously estimated the Muskingum K and X parameters for this reach to be 10 hours and 0.15 respectively. If the upstream flood was measured every 6 hours starting at 09:00 hours and the flows were recorded as 25, 35, 50, 80, 140, 130, 90, 80, 50, 30 and 25 m3 /s for the first 60 hours and 25 m3 /s thereafter then estimate the peak flow at the town and the time at which the peak flow will occur.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The Muskingum method of flood routing has been chosen to forecast the movement of
a flood wave from a point 30 km upstream of a center of population. Engineers have
previously estimated the Muskingum K and X parameters for this reach to be 10 hours
and 0.15 respectively.
If the upstream flood was measured every 6 hours starting at 09:00 hours and the flows
were recorded as 25, 35, 50, 80, 140, 130, 90, 80, 50, 30 and 25 m3
/s for the first 60
hours and 25 m3
/s thereafter then estimate the peak flow at the town and the time at
which the peak flow will occur.
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