Following table includes the records taken during a ring-infiltrometer experiment. Using these data and the Horton's equation derived for the cumulative infiltration, estimate the initial infiltration capacity (mm/hr), final infiltration capacity (mm/hr) and the decay rate constant (hr'). Time Water level (mm) Before After These equations may be helpful for your calculations. filling filling аx2 + bХ + с %3D0 -b + vb2 – 4ac X = | 7:00 101 7:02 93.5 99 2а 7:05 90.0 100 7:10 90.0 100 f = fc + (fo – fc)exp-kt 7:20 88.0 101 7:30 94.0 102 7:40 96.5 101 8:00 91.0 100 8:20 90.0 101

Structural Analysis
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Following table includes the records taken during a ring-infiltrometer experiment. Using these data
and the Horton's equation derived for the cumulative infiltration, estimate the initial infiltration
capacity (mm/hr), final infiltration capacity (mm/hr) and the decay rate constant (hr').
Time
Water level (mm)
Before
After
These equations may be helpful for your calculations.
filling
filling
aX² + bX + c = 0
-b + vb2 – 4ac
X =
7:00
101
7:02
93.5
99
2a
7:05
90.0
100
7:10
90.0
100
f = fc + (fo – fc)exp-kt
7:20
88.0
101
7:30
94.0
102
7:40
96.5
101
8:00
91.0
100
8:20
90.0
101
Transcribed Image Text:Following table includes the records taken during a ring-infiltrometer experiment. Using these data and the Horton's equation derived for the cumulative infiltration, estimate the initial infiltration capacity (mm/hr), final infiltration capacity (mm/hr) and the decay rate constant (hr'). Time Water level (mm) Before After These equations may be helpful for your calculations. filling filling aX² + bX + c = 0 -b + vb2 – 4ac X = 7:00 101 7:02 93.5 99 2a 7:05 90.0 100 7:10 90.0 100 f = fc + (fo – fc)exp-kt 7:20 88.0 101 7:30 94.0 102 7:40 96.5 101 8:00 91.0 100 8:20 90.0 101
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