In a small catchment the infiltration rate was observed to be 10 cm/h at the beginning of the rain and it decreased exponentially to an equilibrium value of 1.0 cm/h at the end of 9 hours of rain. If a total of 18 cm of water infiltered during 9 hours interval, the value of the decay constant K, in Horton's infiltration equation in (h) units is (A 0.1 B 0.5 1.0 D 2.0

Structural Analysis
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In a small catchment the infiltration rate was observed to be 10 cm/h at the beginning of the rain and it decreased exponentially to an equilibrium value of 1.0 cm/h at the end of 9 hours of rain. If a total of 18 cm of water infiltered during 9 hours interval, the value of the decay constant Kh , in Horton's infiltration equation in (h-1) units is
In a small catchment the infiltration rate was observed to be 10 cm/h at the beginning of
the rain and it decreased exponentially to an equilibrium value of 1.0 cm/h at the end of
9 hours of rain. If a total of 18 cm of water infiltered during 9 hours interval, the value of
the decay constant K, in Horton's infiltration equation in (h) units is
A
0.1
B
0.5
1.0
D) 2.0
Transcribed Image Text:In a small catchment the infiltration rate was observed to be 10 cm/h at the beginning of the rain and it decreased exponentially to an equilibrium value of 1.0 cm/h at the end of 9 hours of rain. If a total of 18 cm of water infiltered during 9 hours interval, the value of the decay constant K, in Horton's infiltration equation in (h) units is A 0.1 B 0.5 1.0 D) 2.0
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