A lake had a water surface elevation of 103.200 m above datum at thebeginning of a certain month. In that month the lake received an average inflow of 6.0m'/s from surface runoff sources. In the same period the outflow from the lake had anaverage value of 6.5 m/s. Further, in that month, the lake received a rainfall of 145 mmand the evaporation from the lake surface was estimated as 6.10 cm. Write the waterbudget equation for the lake and calculate the water surface elevation of the lake at theend of the month. The average lake surface area can be taken as 5000 ha. Assume thatthere is no contribution to or from the groundwater storage.

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Answered: calculate the water surface elevation

Engineering

Civil Engineering

calculate the water surface elevation

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Sediment transport

Sediment transport or Soil transport is the movement of solid particles, usually due to the combination of gravitational forces acting on the sediment, and the movement of the liquid at which the sediment enters. Soil erosion occurs in natural systems where the particles are sandstones (sand, rocks), mud, or clay; the liquid is air, water, or ice; and the gravitational force that works to move particles to the landing surface. Sediment transportation or soil migration due to the movement of liquids occurs in rivers, lakes, lakes, oceans, and other bodies of water as a result of currents and waves. Transportation is also caused by glaciers as they flow, and to places on earth under the influence of wind. Soil erosion due to gravity alone is possible in most sloping areas, including hills, scarves, cliffs, and the continental shelf — the continental boundary of the slope.

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.

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