A lake had a water surface elevation of 9536/78 m above datum at the beginning of a certain month. In that month the lake received an average inflow of 6.0 m³/s from surface runoff sources. In the same period the outflow from the lake had an average value of 6.5 m³/s. Further, in that month, the lake received a rainfall of 9536/10 mm and the evaporation from the lake surface was estimated as 9536/1000 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 9536 ha. Assume that there is no contribution to or from the groundwater storage.
A lake had a water surface elevation of 9536/78 m above datum at the beginning of a certain month. In that month the lake received an average inflow of 6.0 m³/s from surface runoff sources. In the same period the outflow from the lake had an average value of 6.5 m³/s. Further, in that month, the lake received a rainfall of 9536/10 mm and the evaporation from the lake surface was estimated as 9536/1000 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 9536 ha. Assume that there is no contribution to or from the groundwater storage.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A lake had a water surface elevation of 9536/78 m above datum at the
beginning of a certain month. In that month the lake received an average
inflow of 6.0 m³/s from surface runoff sources. In the same period the
outflow from the lake had an average value of 6.5 m³/s. Further, in that
month, the lake received a rainfall of 9536/10 mm and the evaporation
from the lake surface was estimated as 9536/1000 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 9536 ha. Assume that there is no contribution to or from the
groundwater storage.
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