From the data given in the following table, find the volume of water required for a 100 ha area in terms of Mm3, (rounded off to nearest integer). Month Effective rainfall (cm) Consumptive use (cm) Jan. Feb. Mar. Apr. 7.5 6.0 3.3 0 15 18 21 24 Take water application efficiency as 50% and conveyance losses as 60%.

From the data given in the following table, find the volume of water required for a 100 ha area in terms of Mm3, (rounded off to nearest integer). Month Effective rainfall (cm) Consumptive use (cm) Jan. Feb. Mar. Apr. 7.5 6.0 3.3 0 15 18 21 24 Take water application efficiency as 50% and conveyance losses as 60%.

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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Given a soil irrigated with water, the irrigation efficiency = 70%, water losses are run off and deep percolation divided in the ratio of and respectively, LR = 0.15, irrigation area 15 F dunam irrigated in one day every week, plant consumptive use rate is 7 mm/day calculate the required gross discharge (L/sec) and the depth of losses( mm).
A catchment has 4 sub areas (see table below). The annual precipitation andevaporation from each of the sub areas are given below. Assume that there is no change inthe groundwater storage on annual basis and calculate for the whole catchment the valuesof annual averageA. Precipitation (Ans. P ave = 1105.167 mm)B. Evaporation (Ans. E ave = 532.416 mm)C. What are the annual run-off coefficients for the subareas and for the totalcatchment area as a whole? (Ans.ratio = 0.508)
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During a given year. the following hydrologic data were collected for a 2750-km2 basin: total precipitation: 695 mm, total combined loss due to evaporation and evapotranspiration: 325 mm estimated groundwater outflow (including groundwater depletion):175 mm and mean surface runoff: 185 mm. what is the change in volume of water in hm3 remaining in storage in the basin during the elapsed time?
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