Horton's infiltration equation was fitted to data from an infiltration test. It was found that the initial infiltration capacity was 20 mm/h, the final infiltration capacity was 5 mm/h and the exponential decay constant was 0.5 h-1. If the infiltration was at capacity rates, the total infiltration depth for a uniform atom of 10 h duration would be
1
80 mm
2
50 mm
3
30 mm
4
20 mm
5
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