calculate the water surface elevation
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![A lake had a water surface elevation of 103.200 m above datum at the
beginning of a certain month. In that month the lake received an average inflow of 6.0
m'/s from surface runoff sources. In the same period the outflow from the lake had an
average value of 6.5 m/s. Further, in that month, the lake received a rainfall of 145 mm
and the evaporation from the lake surface was estimated as 6.10 cm. Write the water
budget equation for the lake and calculate the water surface elevation of the lake at the
end of the month. The average lake surface area can be taken as 5000 ha. Assume that
there is no contribution to or from the groundwater storage.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc7af7e57-9e0a-4bb1-a392-46badc94b8ad%2Fcd958165-acf8-4372-94eb-c184dfddf191%2Fy98ptj3_processed.png&w=3840&q=75)
Transcribed Image Text:A lake had a water surface elevation of 103.200 m above datum at the
beginning of a certain month. In that month the lake received an average inflow of 6.0
m'/s from surface runoff sources. In the same period the outflow from the lake had an
average value of 6.5 m/s. Further, in that month, the lake received a rainfall of 145 mm
and the evaporation from the lake surface was estimated as 6.10 cm. Write the water
budget equation for the lake and calculate the water surface elevation of the lake at the
end of the month. The average lake surface area can be taken as 5000 ha. Assume that
there is no contribution to or from the groundwater storage.
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