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Determine the net irrigation requirement in mif the crop factor

Determine the net irrigation requirement in mif the crop factor

Fundamentals of Geotechnical Engineering (MindTap Course List)
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter7: Seepage
Section: Chapter Questions
Problem 7.6P
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Acatchment area which is having a slope of 3% and a loamy soil has four gauging stations. Determine the net irrigation requirement in m if the crop factor on the area is 0.495 and the pan evaporation is 201mm, the conveyance efficiency is 34%. The distance of GS1 to GS4 is 480km. GS1 to GS2 is 424km. GS2 to GS3 is 235km, GS3 to GS4 is 648km, GS1 to GS3 is 725km, and GS4 to GS2 is 771km. The rainfall depths recorded per year in GS1. GS2. G53, and G54 are 245mil 215mm, 178mm, and 150mm and the corresponding polygon areas of each gauging station is 50,845 hec. 480km2. 750km2, and 640km2. respectively
Transcribed Image Text:Acatchment area which is having a slope of 3% and a loamy soil has four gauging stations. Determine the net irrigation requirement in m if the crop factor on the area is 0.495 and the pan evaporation is 201mm, the conveyance efficiency is 34%. The distance of GS1 to GS4 is 480km. GS1 to GS2 is 424km. GS2 to GS3 is 235km, GS3 to GS4 is 648km, GS1 to GS3 is 725km, and GS4 to GS2 is 771km. The rainfall depths recorded per year in GS1. GS2. G53, and G54 are 245mil 215mm, 178mm, and 150mm and the corresponding polygon areas of each gauging station is 50,845 hec. 480km2. 750km2, and 640km2. respectively
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