In a border-irrigation-system, the following information is given The border length is 300 m The border width is 5 m Qin = 18.6 1/s Slope is 0.7% Manning's n = 0.2 The infiltration equation is D = 50.6 , D in mm and t in minutes - The data are shown in the following table Distance 0 (m) 30 60 90 120 150 180 210 240 270 300 Advance 6. 15 25 34 48 65 80* 96 119 160 time (m) Recession 95 98 102 110 117 125 140 152 167 174 200 time (m) *means that the irrigation gates have been closed at this time. If the net depth of irrigation (NDI) IS 70 mm, find the irrigation adequacy?
In a border-irrigation-system, the following information is given The border length is 300 m The border width is 5 m Qin = 18.6 1/s Slope is 0.7% Manning's n = 0.2 The infiltration equation is D = 50.6 , D in mm and t in minutes - The data are shown in the following table Distance 0 (m) 30 60 90 120 150 180 210 240 270 300 Advance 6. 15 25 34 48 65 80* 96 119 160 time (m) Recession 95 98 102 110 117 125 140 152 167 174 200 time (m) *means that the irrigation gates have been closed at this time. If the net depth of irrigation (NDI) IS 70 mm, find the irrigation adequacy?
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
Transcribed Image Text:In a border-irrigation-system, the following information is given
The border length is 300 m
The border width is 5 m
Qin = 18.6 |/s
Slope is 0.7%
Manning's n = 0.2
The infiltration equation is D = 50.6 , D in mm and t in minutes
The data are shown in the following table
Distance
30
60
90
120
150
180
210
240
270
300
(m)
Advance
15
25
34
48
65
80*
96
119
160
time (m)
Recession 95
time (m)
98
102
110
117
125
140
152
167
174
200
*means that the irrigation gates have been closed at this time.
If the net depth of irrigation (NDI) IS 70 mm, find the irrigation adequacy?
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