Q1: A lake had a water surface elevation of 103.7 m above datum at the beginning of a certain month. In that month the lake received an average inflow of 6 m3/s from surface runoff. 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 was estimated as 6.1 cm. 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 and the catchment area is 35000 ha.
Q1: A lake had a water surface elevation of 103.7 m above datum at the beginning of a certain month. In that month the lake received an average inflow of 6 m3/s from surface runoff. 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 was estimated as 6.1 cm. 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 and the catchment area is 35000 ha.
Chapter2: Loads On Structures
Section: Chapter Questions
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Transcribed Image Text:Q1: A lake had a water surface elevation of 103.7 m above datum at the beginning of a
certain month. In that month the lake received an average inflow of 6 m3/s from
surface runoff. 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 was estimated as 6.1l cm. 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 and
the catchment area is 35000 ha.
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