7. In a given month, a watershed with an area of 1,000 m² received 125 cm of precipitation. During the same month, the loss due to evaporation was 20 cm. Ignore losses due to transpiration and infiltration due to ground water. Assume that the given month had 30 days. What would be the average rate of flow measured in a gage at the outlet of the watershed in m³/day?
7. In a given month, a watershed with an area of 1,000 m² received 125 cm of precipitation. During the same month, the loss due to evaporation was 20 cm. Ignore losses due to transpiration and infiltration due to ground water. Assume that the given month had 30 days. What would be the average rate of flow measured in a gage at the outlet of the watershed in m³/day?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Subject Water Systems Design
Please do question 7
Transcribed Image Text:6.
For a given month, a 300-acre lake has 15 cfs of inflow and an evapotranspiration of 5 inches. A
USGS rain gage next to the lake recorded a total of 30 inches of precipitation for the lake for the
month. Assume that infiltration loss is insignificant for the lake and that there are 30 days in the
given month. Determine the total volume in ft³ that dam operators must release that month to
maintain a constant water level (no change in storage). What constant outflow (in cfs) for the entire
month would achieve release of the total volume?
7.
In a given month, a watershed with an area of 1,000 m² received 125 cm of precipitation. During the
same month, the loss due to evaporation was 20 cm. Ignore losses due to transpiration and
infiltration due to ground water. Assume that the given month had 30 days. What would be the
average rate of flow measured in a gage at the outlet of the watershed in m³/day?
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