Unformatted text preview: • Cotton (row crop) farmed on contour in poor condition • The slope is 2% with slope length 100m • The soils are sandy clay loam with 0.5 % organic matter in hydrologic group C • AMCII • Watershed area is 20 hectares Use the CN approach to estimate the: a) time (minutes) at which runoff is initiated; b) peak runoff rate (cm/hr) during the storm [15 minute time step]; and c) The average depth of infiltration in cm on the watershed. 1...
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- Spring '12
- Hydrology, Surface runoff, peak runoff rate