|Q4]// |A]: For a small drainage area, the infiltration rate at the start of rainfall storm was record to be 90 mm/hr and declined exponentially to a constant rate of 8 mm/hr after 2.5 hr. The total infiltration during 2.5 hr was 50 mm. Develop the Horton's equation for the infiltration rate at any time t<2.5 hr.

Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter8: Landfills
Section: Chapter Questions
Problem 8.9P
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|Q4|// |A]: For a small drainage area, the infiltration rate at the start of rainfall storm
was record to be 90 mm/hr and declined exponentially to a constant rate of 8 mm/hr
after 2.5 hr. The total infiltration during 2.5 hr was 50 mm. Develop the Horton's
equation for the infiltration rate at any time t< 2.5 hr.
[B]: Find the required discharge of irrigation water at the headwork of the
distiriburatry, if the gross area is 20000 mishara, the irrigation intensity is 65%, and the
water duty is 1600 hectare/m/sec.
Transcribed Image Text:|Q4|// |A]: For a small drainage area, the infiltration rate at the start of rainfall storm was record to be 90 mm/hr and declined exponentially to a constant rate of 8 mm/hr after 2.5 hr. The total infiltration during 2.5 hr was 50 mm. Develop the Horton's equation for the infiltration rate at any time t< 2.5 hr. [B]: Find the required discharge of irrigation water at the headwork of the distiriburatry, if the gross area is 20000 mishara, the irrigation intensity is 65%, and the water duty is 1600 hectare/m/sec.
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